diff --git a/blockly_compressed.js b/blockly_compressed.js
index cd304f3d1..a0bebe1e1 100644
--- a/blockly_compressed.js
+++ b/blockly_compressed.js
@@ -35,32 +35,32 @@ Blockly.utils.getDocumentScroll=function(){var a=document.documentElement,b=wind
 Blockly.utils.getBlockTypeCounts=function(a,b){var c=Object.create(null),d=a.getDescendants(!0);if(b){var e=a.getNextBlock();e&&(e=d.indexOf(e),d.splice(e,d.length-e))}e=0;for(var f;f=d[e];e++)c[f.type]?c[f.type]++:c[f.type]=1;return c};Blockly.utils.screenToWsCoordinates=function(a,b){var c=b.x,d=b.y,e=a.getInjectionDiv().getBoundingClientRect();c=new Blockly.utils.Coordinate(c-e.left,d-e.top);d=a.getOriginOffsetInPixels();return Blockly.utils.Coordinate.difference(c,d).scale(1/a.scale)};
 Blockly.Events={};Blockly.Events.group_="";Blockly.Events.recordUndo=!0;Blockly.Events.disabled_=0;Blockly.Events.CREATE="create";Blockly.Events.BLOCK_CREATE=Blockly.Events.CREATE;Blockly.Events.DELETE="delete";Blockly.Events.BLOCK_DELETE=Blockly.Events.DELETE;Blockly.Events.CHANGE="change";Blockly.Events.BLOCK_CHANGE=Blockly.Events.CHANGE;Blockly.Events.MOVE="move";Blockly.Events.BLOCK_MOVE=Blockly.Events.MOVE;Blockly.Events.VAR_CREATE="var_create";Blockly.Events.VAR_DELETE="var_delete";
 Blockly.Events.VAR_RENAME="var_rename";Blockly.Events.UI="ui";Blockly.Events.COMMENT_CREATE="comment_create";Blockly.Events.COMMENT_DELETE="comment_delete";Blockly.Events.COMMENT_CHANGE="comment_change";Blockly.Events.COMMENT_MOVE="comment_move";Blockly.Events.FINISHED_LOADING="finished_loading";Blockly.Events.BUMP_EVENTS=[Blockly.Events.BLOCK_CREATE,Blockly.Events.BLOCK_MOVE,Blockly.Events.COMMENT_CREATE,Blockly.Events.COMMENT_MOVE];Blockly.Events.FIRE_QUEUE_=[];
-Blockly.Events.fire=function(a){Blockly.Events.isEnabled()&&(Blockly.Events.FIRE_QUEUE_.length||setTimeout(Blockly.Events.fireNow_,0),Blockly.Events.FIRE_QUEUE_.push(a))};Blockly.Events.fireNow_=function(){for(var a=Blockly.Events.filter(Blockly.Events.FIRE_QUEUE_,!0),b=Blockly.Events.FIRE_QUEUE_.length=0,c;c=a[b];b++){var d=Blockly.Workspace.getById(c.workspaceId);d&&d.fireChangeListener(c)}};
+Blockly.Events.fire=function(a){Blockly.Events.isEnabled()&&(Blockly.Events.FIRE_QUEUE_.length||setTimeout(Blockly.Events.fireNow_,0),Blockly.Events.FIRE_QUEUE_.push(a))};Blockly.Events.fireNow_=function(){for(var a=Blockly.Events.filter(Blockly.Events.FIRE_QUEUE_,!0),b=Blockly.Events.FIRE_QUEUE_.length=0,c;c=a[b];b++)if(c.workspaceId){var d=Blockly.Workspace.getById(c.workspaceId);d&&d.fireChangeListener(c)}};
 Blockly.Events.filter=function(a,b){var c=a.slice();b||c.reverse();for(var d=[],e=Object.create(null),f=0,g;g=c[f];f++)if(!g.isNull()){var h=[g.type,g.blockId,g.workspaceId].join(" "),k=e[h],l=k?k.event:null;if(!k)e[h]={event:g,index:f},d.push(g);else if(g.type==Blockly.Events.MOVE&&k.index==f-1)l.newParentId=g.newParentId,l.newInputName=g.newInputName,l.newCoordinate=g.newCoordinate,k.index=f;else if(g.type==Blockly.Events.CHANGE&&g.element==l.element&&g.name==l.name)l.newValue=g.newValue;else if(g.type!=
 Blockly.Events.UI||"click"!=g.element||"commentOpen"!=l.element&&"mutatorOpen"!=l.element&&"warningOpen"!=l.element)e[h]={event:g,index:1},d.push(g)}c=d.filter(function(a){return!a.isNull()});b||c.reverse();for(f=1;g=c[f];f++)g.type==Blockly.Events.CHANGE&&"mutation"==g.element&&c.unshift(c.splice(f,1)[0]);return c};Blockly.Events.clearPendingUndo=function(){for(var a=0,b;b=Blockly.Events.FIRE_QUEUE_[a];a++)b.recordUndo=!1};Blockly.Events.disable=function(){Blockly.Events.disabled_++};
-Blockly.Events.enable=function(){Blockly.Events.disabled_--};Blockly.Events.isEnabled=function(){return 0==Blockly.Events.disabled_};Blockly.Events.getGroup=function(){return Blockly.Events.group_};Blockly.Events.setGroup=function(a){Blockly.Events.group_="boolean"==typeof a?a?Blockly.utils.genUid():"":a};Blockly.Events.getDescendantIds_=function(a){var b=[];a=a.getDescendants(!1);for(var c=0,d;d=a[c];c++)b[c]=d.id;return b};
+Blockly.Events.enable=function(){Blockly.Events.disabled_--};Blockly.Events.isEnabled=function(){return 0==Blockly.Events.disabled_};Blockly.Events.getGroup=function(){return Blockly.Events.group_};Blockly.Events.setGroup=function(a){Blockly.Events.group_="boolean"==typeof a?a?Blockly.utils.genUid():"":a};Blockly.Events.getDescendantIds=function(a){var b=[];a=a.getDescendants(!1);for(var c=0,d;d=a[c];c++)b[c]=d.id;return b};
 Blockly.Events.fromJson=function(a,b){switch(a.type){case Blockly.Events.CREATE:var c=new Blockly.Events.Create(null);break;case Blockly.Events.DELETE:c=new Blockly.Events.Delete(null);break;case Blockly.Events.CHANGE:c=new Blockly.Events.Change(null,"","","","");break;case Blockly.Events.MOVE:c=new Blockly.Events.Move(null);break;case Blockly.Events.VAR_CREATE:c=new Blockly.Events.VarCreate(null);break;case Blockly.Events.VAR_DELETE:c=new Blockly.Events.VarDelete(null);break;case Blockly.Events.VAR_RENAME:c=
-new Blockly.Events.VarRename(null,"");break;case Blockly.Events.UI:c=new Blockly.Events.Ui(null);break;case Blockly.Events.COMMENT_CREATE:c=new Blockly.Events.CommentCreate(null);break;case Blockly.Events.COMMENT_CHANGE:c=new Blockly.Events.CommentChange(null);break;case Blockly.Events.COMMENT_MOVE:c=new Blockly.Events.CommentMove(null);break;case Blockly.Events.COMMENT_DELETE:c=new Blockly.Events.CommentDelete(null);break;default:throw Error("Unknown event type.");}c.fromJson(a);c.workspaceId=b.id;
-return c};Blockly.Events.disableOrphans=function(a){if(a.type==Blockly.Events.MOVE||a.type==Blockly.Events.CREATE){var b=Blockly.Workspace.getById(a.workspaceId);if(a=b.getBlockById(a.blockId)){var c=a.getParent();if(c&&c.isEnabled())for(b=a.getDescendants(!1),a=0;c=b[a];a++)c.setEnabled(!0);else if((a.outputConnection||a.previousConnection)&&!b.isDragging()){do a.setEnabled(!1),a=a.getNextBlock();while(a)}}}};
-Blockly.Events.Abstract=function(){this.workspaceId=void 0;this.group=Blockly.Events.group_;this.recordUndo=Blockly.Events.recordUndo};Blockly.Events.Abstract.prototype.toJson=function(){var a={type:this.type};this.group&&(a.group=this.group);return a};Blockly.Events.Abstract.prototype.fromJson=function(a){this.group=a.group};Blockly.Events.Abstract.prototype.isNull=function(){return!1};Blockly.Events.Abstract.prototype.run=function(a){};
-Blockly.Events.Abstract.prototype.getEventWorkspace_=function(){var a=Blockly.Workspace.getById(this.workspaceId);if(!a)throw Error("Workspace is null. Event must have been generated from real Blockly events.");return a};Blockly.utils.object={};Blockly.utils.object.inherits=function(a,b){a.superClass_=b.prototype;a.prototype=Object.create(b.prototype);a.prototype.constructor=a};Blockly.utils.object.mixin=function(a,b){for(var c in b)a[c]=b[c]};Blockly.utils.object.values=function(a){return Object.values?Object.values(a):Object.keys(a).map(function(b){return a[b]})};Blockly.utils.xml={};Blockly.utils.xml.NAME_SPACE="https://developers.google.com/blockly/xml";Blockly.utils.xml.document=function(){return document};Blockly.utils.xml.createElement=function(a){return Blockly.utils.xml.document().createElementNS(Blockly.utils.xml.NAME_SPACE,a)};Blockly.utils.xml.createTextNode=function(a){return Blockly.utils.xml.document().createTextNode(a)};Blockly.utils.xml.textToDomDocument=function(a){return(new DOMParser).parseFromString(a,"text/xml")};
+new Blockly.Events.VarRename(null,"");break;case Blockly.Events.UI:c=new Blockly.Events.Ui(null,"","","");break;case Blockly.Events.COMMENT_CREATE:c=new Blockly.Events.CommentCreate(null);break;case Blockly.Events.COMMENT_CHANGE:c=new Blockly.Events.CommentChange(null,"","");break;case Blockly.Events.COMMENT_MOVE:c=new Blockly.Events.CommentMove(null);break;case Blockly.Events.COMMENT_DELETE:c=new Blockly.Events.CommentDelete(null);break;default:throw Error("Unknown event type.");}c.fromJson(a);c.workspaceId=
+b.id;return c};Blockly.Events.disableOrphans=function(a){if((a.type==Blockly.Events.MOVE||a.type==Blockly.Events.CREATE)&&a.workspaceId){var b=Blockly.Workspace.getById(a.workspaceId);if(a=b.getBlockById(a.blockId)){var c=a.getParent();if(c&&c.isEnabled())for(b=a.getDescendants(!1),a=0;c=b[a];a++)c.setEnabled(!0);else if((a.outputConnection||a.previousConnection)&&!b.isDragging()){do a.setEnabled(!1),a=a.getNextBlock();while(a)}}}};
+Blockly.Events.Abstract=function(){this.workspaceId=void 0;this.group=Blockly.Events.getGroup();this.recordUndo=Blockly.Events.recordUndo};Blockly.Events.Abstract.prototype.toJson=function(){var a={type:this.type};this.group&&(a.group=this.group);return a};Blockly.Events.Abstract.prototype.fromJson=function(a){this.group=a.group};Blockly.Events.Abstract.prototype.isNull=function(){return!1};Blockly.Events.Abstract.prototype.run=function(a){};
+Blockly.Events.Abstract.prototype.getEventWorkspace_=function(){if(this.workspaceId)var a=Blockly.Workspace.getById(this.workspaceId);if(!a)throw Error("Workspace is null. Event must have been generated from real Blockly events.");return a};Blockly.utils.object={};Blockly.utils.object.inherits=function(a,b){a.superClass_=b.prototype;a.prototype=Object.create(b.prototype);a.prototype.constructor=a};Blockly.utils.object.mixin=function(a,b){for(var c in b)a[c]=b[c]};Blockly.utils.object.values=function(a){return Object.values?Object.values(a):Object.keys(a).map(function(b){return a[b]})};Blockly.utils.xml={};Blockly.utils.xml.NAME_SPACE="https://developers.google.com/blockly/xml";Blockly.utils.xml.document=function(){return document};Blockly.utils.xml.createElement=function(a){return Blockly.utils.xml.document().createElementNS(Blockly.utils.xml.NAME_SPACE,a)};Blockly.utils.xml.createTextNode=function(a){return Blockly.utils.xml.document().createTextNode(a)};Blockly.utils.xml.textToDomDocument=function(a){return(new DOMParser).parseFromString(a,"text/xml")};
 Blockly.utils.xml.domToText=function(a){return(new XMLSerializer).serializeToString(a)};Blockly.Events.BlockBase=function(a){Blockly.Events.BlockBase.superClass_.constructor.call(this);this.blockId=a.id;this.workspaceId=a.workspace.id};Blockly.utils.object.inherits(Blockly.Events.BlockBase,Blockly.Events.Abstract);Blockly.Events.BlockBase.prototype.toJson=function(){var a=Blockly.Events.BlockBase.superClass_.toJson.call(this);a.blockId=this.blockId;return a};
 Blockly.Events.BlockBase.prototype.fromJson=function(a){Blockly.Events.BlockBase.superClass_.fromJson.call(this,a);this.blockId=a.blockId};Blockly.Events.Change=function(a,b,c,d,e){a&&(Blockly.Events.Change.superClass_.constructor.call(this,a),this.element=b,this.name=c,this.oldValue=d,this.newValue=e)};Blockly.utils.object.inherits(Blockly.Events.Change,Blockly.Events.BlockBase);Blockly.Events.BlockChange=Blockly.Events.Change;Blockly.Events.Change.prototype.type=Blockly.Events.CHANGE;
 Blockly.Events.Change.prototype.toJson=function(){var a=Blockly.Events.Change.superClass_.toJson.call(this);a.element=this.element;this.name&&(a.name=this.name);a.newValue=this.newValue;return a};Blockly.Events.Change.prototype.fromJson=function(a){Blockly.Events.Change.superClass_.fromJson.call(this,a);this.element=a.element;this.name=a.name;this.newValue=a.newValue};Blockly.Events.Change.prototype.isNull=function(){return this.oldValue==this.newValue};
-Blockly.Events.Change.prototype.run=function(a){var b=this.getEventWorkspace_().getBlockById(this.blockId);if(b)switch(b.mutator&&b.mutator.setVisible(!1),a=a?this.newValue:this.oldValue,this.element){case "field":(b=b.getField(this.name))?b.setValue(a):console.warn("Can't set non-existent field: "+this.name);break;case "comment":b.setCommentText(a||null);break;case "collapsed":b.setCollapsed(a);break;case "disabled":b.setEnabled(!a);break;case "inline":b.setInputsInline(a);break;case "mutation":var c=
+Blockly.Events.Change.prototype.run=function(a){var b=this.getEventWorkspace_().getBlockById(this.blockId);if(b)switch(b.mutator&&b.mutator.setVisible(!1),a=a?this.newValue:this.oldValue,this.element){case "field":(b=b.getField(this.name))?b.setValue(a):console.warn("Can't set non-existent field: "+this.name);break;case "comment":b.setCommentText(a||null);break;case "collapsed":b.setCollapsed(!!a);break;case "disabled":b.setEnabled(!a);break;case "inline":b.setInputsInline(!!a);break;case "mutation":var c=
 "";b.mutationToDom&&(c=(c=b.mutationToDom())&&Blockly.Xml.domToText(c));if(b.domToMutation){var d=Blockly.Xml.textToDom(a||"<mutation/>");b.domToMutation(d)}Blockly.Events.fire(new Blockly.Events.Change(b,"mutation",null,c,a));break;default:console.warn("Unknown change type: "+this.element)}else console.warn("Can't change non-existent block: "+this.blockId)};
-Blockly.Events.Create=function(a){a&&(Blockly.Events.Create.superClass_.constructor.call(this,a),this.xml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a),this.ids=Blockly.Events.getDescendantIds_(a))};Blockly.utils.object.inherits(Blockly.Events.Create,Blockly.Events.BlockBase);Blockly.Events.BlockCreate=Blockly.Events.Create;Blockly.Events.Create.prototype.type=Blockly.Events.CREATE;
+Blockly.Events.Create=function(a){a&&(Blockly.Events.Create.superClass_.constructor.call(this,a),this.xml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a),this.ids=Blockly.Events.getDescendantIds(a))};Blockly.utils.object.inherits(Blockly.Events.Create,Blockly.Events.BlockBase);Blockly.Events.BlockCreate=Blockly.Events.Create;Blockly.Events.Create.prototype.type=Blockly.Events.CREATE;
 Blockly.Events.Create.prototype.toJson=function(){var a=Blockly.Events.Create.superClass_.toJson.call(this);a.xml=Blockly.Xml.domToText(this.xml);a.ids=this.ids;return a};Blockly.Events.Create.prototype.fromJson=function(a){Blockly.Events.Create.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom(a.xml);this.ids=a.ids};
-Blockly.Events.Create.prototype.run=function(a){var b=this.getEventWorkspace_();if(a)a=Blockly.utils.xml.createElement("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b);else{a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1,!1):c==this.blockId&&console.warn("Can't uncreate non-existent block: "+c)}}};
-Blockly.Events.Delete=function(a){if(a){if(a.getParent())throw Error("Connected blocks cannot be deleted.");Blockly.Events.Delete.superClass_.constructor.call(this,a);this.oldXml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a);this.ids=Blockly.Events.getDescendantIds_(a)}};Blockly.utils.object.inherits(Blockly.Events.Delete,Blockly.Events.BlockBase);Blockly.Events.BlockDelete=Blockly.Events.Delete;Blockly.Events.Delete.prototype.type=Blockly.Events.DELETE;
+Blockly.Events.Create.prototype.run=function(a){var b=this.getEventWorkspace_();if(a)a=Blockly.utils.xml.createElement("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b);else{a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1):c==this.blockId&&console.warn("Can't uncreate non-existent block: "+c)}}};
+Blockly.Events.Delete=function(a){if(a){if(a.getParent())throw Error("Connected blocks cannot be deleted.");Blockly.Events.Delete.superClass_.constructor.call(this,a);this.oldXml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a);this.ids=Blockly.Events.getDescendantIds(a)}};Blockly.utils.object.inherits(Blockly.Events.Delete,Blockly.Events.BlockBase);Blockly.Events.BlockDelete=Blockly.Events.Delete;Blockly.Events.Delete.prototype.type=Blockly.Events.DELETE;
 Blockly.Events.Delete.prototype.toJson=function(){var a=Blockly.Events.Delete.superClass_.toJson.call(this);a.ids=this.ids;return a};Blockly.Events.Delete.prototype.fromJson=function(a){Blockly.Events.Delete.superClass_.fromJson.call(this,a);this.ids=a.ids};
-Blockly.Events.Delete.prototype.run=function(a){var b=this.getEventWorkspace_();if(a){a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1,!1):c==this.blockId&&console.warn("Can't delete non-existent block: "+c)}}else a=Blockly.utils.xml.createElement("xml"),a.appendChild(this.oldXml),Blockly.Xml.domToWorkspace(a,b)};
+Blockly.Events.Delete.prototype.run=function(a){var b=this.getEventWorkspace_();if(a){a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1):c==this.blockId&&console.warn("Can't delete non-existent block: "+c)}}else a=Blockly.utils.xml.createElement("xml"),a.appendChild(this.oldXml),Blockly.Xml.domToWorkspace(a,b)};
 Blockly.Events.Move=function(a){a&&(Blockly.Events.Move.superClass_.constructor.call(this,a),a=this.currentLocation_(),this.oldParentId=a.parentId,this.oldInputName=a.inputName,this.oldCoordinate=a.coordinate)};Blockly.utils.object.inherits(Blockly.Events.Move,Blockly.Events.BlockBase);Blockly.Events.BlockMove=Blockly.Events.Move;Blockly.Events.Move.prototype.type=Blockly.Events.MOVE;
 Blockly.Events.Move.prototype.toJson=function(){var a=Blockly.Events.Move.superClass_.toJson.call(this);this.newParentId&&(a.newParentId=this.newParentId);this.newInputName&&(a.newInputName=this.newInputName);this.newCoordinate&&(a.newCoordinate=Math.round(this.newCoordinate.x)+","+Math.round(this.newCoordinate.y));return a};
 Blockly.Events.Move.prototype.fromJson=function(a){Blockly.Events.Move.superClass_.fromJson.call(this,a);this.newParentId=a.newParentId;this.newInputName=a.newInputName;a.newCoordinate&&(a=a.newCoordinate.split(","),this.newCoordinate=new Blockly.utils.Coordinate(Number(a[0]),Number(a[1])))};Blockly.Events.Move.prototype.recordNew=function(){var a=this.currentLocation_();this.newParentId=a.parentId;this.newInputName=a.inputName;this.newCoordinate=a.coordinate};
-Blockly.Events.Move.prototype.currentLocation_=function(){var a=Blockly.Workspace.getById(this.workspaceId).getBlockById(this.blockId),b={},c=a.getParent();if(c){if(b.parentId=c.id,a=c.getInputWithBlock(a))b.inputName=a.name}else b.coordinate=a.getRelativeToSurfaceXY();return b};Blockly.Events.Move.prototype.isNull=function(){return this.oldParentId==this.newParentId&&this.oldInputName==this.newInputName&&Blockly.utils.Coordinate.equals(this.oldCoordinate,this.newCoordinate)};
+Blockly.Events.Move.prototype.currentLocation_=function(){var a=this.getEventWorkspace_().getBlockById(this.blockId),b={},c=a.getParent();if(c){if(b.parentId=c.id,a=c.getInputWithBlock(a))b.inputName=a.name}else b.coordinate=a.getRelativeToSurfaceXY();return b};Blockly.Events.Move.prototype.isNull=function(){return this.oldParentId==this.newParentId&&this.oldInputName==this.newInputName&&Blockly.utils.Coordinate.equals(this.oldCoordinate,this.newCoordinate)};
 Blockly.Events.Move.prototype.run=function(a){var b=this.getEventWorkspace_(),c=b.getBlockById(this.blockId);if(c){var d=a?this.newParentId:this.oldParentId,e=a?this.newInputName:this.oldInputName;a=a?this.newCoordinate:this.oldCoordinate;var f=null;if(d&&(f=b.getBlockById(d),!f)){console.warn("Can't connect to non-existent block: "+d);return}c.getParent()&&c.unplug();if(a)e=c.getRelativeToSurfaceXY(),c.moveBy(a.x-e.x,a.y-e.y);else{c=c.outputConnection||c.previousConnection;if(e){if(b=f.getInput(e))var g=
-b.connection}else c.type==Blockly.PREVIOUS_STATEMENT&&(g=f.nextConnection);g?c.connect(g):console.warn("Can't connect to non-existent input: "+e)}}else console.warn("Can't move non-existent block: "+this.blockId)};Blockly.Events.FinishedLoading=function(a){this.workspaceId=a.id;this.group=Blockly.Events.group_;this.recordUndo=!1};Blockly.utils.object.inherits(Blockly.Events.FinishedLoading,Blockly.Events.Abstract);Blockly.Events.FinishedLoading.prototype.type=Blockly.Events.FINISHED_LOADING;Blockly.Events.FinishedLoading.prototype.toJson=function(){var a={type:this.type};this.group&&(a.group=this.group);this.workspaceId&&(a.workspaceId=this.workspaceId);return a};
+b.connection}else c.type==Blockly.PREVIOUS_STATEMENT&&(g=f.nextConnection);g?c.connect(g):console.warn("Can't connect to non-existent input: "+e)}}else console.warn("Can't move non-existent block: "+this.blockId)};Blockly.Events.FinishedLoading=function(a){this.workspaceId=a.id;this.group=Blockly.Events.getGroup();this.recordUndo=!1};Blockly.utils.object.inherits(Blockly.Events.FinishedLoading,Blockly.Events.Abstract);Blockly.Events.FinishedLoading.prototype.type=Blockly.Events.FINISHED_LOADING;Blockly.Events.FinishedLoading.prototype.toJson=function(){var a={type:this.type};this.group&&(a.group=this.group);this.workspaceId&&(a.workspaceId=this.workspaceId);return a};
 Blockly.Events.FinishedLoading.prototype.fromJson=function(a){this.workspaceId=a.workspaceId;this.group=a.group};Blockly.Events.VarBase=function(a){Blockly.Events.VarBase.superClass_.constructor.call(this);this.varId=a.getId();this.workspaceId=a.workspace.id};Blockly.utils.object.inherits(Blockly.Events.VarBase,Blockly.Events.Abstract);Blockly.Events.VarBase.prototype.toJson=function(){var a=Blockly.Events.VarBase.superClass_.toJson.call(this);a.varId=this.varId;return a};Blockly.Events.VarBase.prototype.fromJson=function(a){Blockly.Events.VarBase.superClass_.toJson.call(this);this.varId=a.varId};
 Blockly.Events.VarCreate=function(a){a&&(Blockly.Events.VarCreate.superClass_.constructor.call(this,a),this.varType=a.type,this.varName=a.name)};Blockly.utils.object.inherits(Blockly.Events.VarCreate,Blockly.Events.VarBase);Blockly.Events.VarCreate.prototype.type=Blockly.Events.VAR_CREATE;Blockly.Events.VarCreate.prototype.toJson=function(){var a=Blockly.Events.VarCreate.superClass_.toJson.call(this);a.varType=this.varType;a.varName=this.varName;return a};
 Blockly.Events.VarCreate.prototype.fromJson=function(a){Blockly.Events.VarCreate.superClass_.fromJson.call(this,a);this.varType=a.varType;this.varName=a.varName};Blockly.Events.VarCreate.prototype.run=function(a){var b=this.getEventWorkspace_();a?b.createVariable(this.varName,this.varType,this.varId):b.deleteVariableById(this.varId)};Blockly.Events.VarDelete=function(a){a&&(Blockly.Events.VarDelete.superClass_.constructor.call(this,a),this.varType=a.type,this.varName=a.name)};
@@ -123,7 +123,7 @@ return b+a.toDevString()};
 Blockly.Extensions={};Blockly.Extensions.ALL_={};Blockly.Extensions.register=function(a,b){if("string"!=typeof a||""==a.trim())throw Error('Error: Invalid extension name "'+a+'"');if(Blockly.Extensions.ALL_[a])throw Error('Error: Extension "'+a+'" is already registered.');if("function"!=typeof b)throw Error('Error: Extension "'+a+'" must be a function');Blockly.Extensions.ALL_[a]=b};
 Blockly.Extensions.registerMixin=function(a,b){if(!b||"object"!=typeof b)throw Error('Error: Mixin "'+a+'" must be a object');Blockly.Extensions.register(a,function(){this.mixin(b)})};
 Blockly.Extensions.registerMutator=function(a,b,c,d){var e='Error when registering mutator "'+a+'": ';Blockly.Extensions.checkHasFunction_(e,b.domToMutation,"domToMutation");Blockly.Extensions.checkHasFunction_(e,b.mutationToDom,"mutationToDom");var f=Blockly.Extensions.checkMutatorDialog_(b,e);if(c&&"function"!=typeof c)throw Error('Extension "'+a+'" is not a function');Blockly.Extensions.register(a,function(){if(f){if(!Blockly.Mutator)throw Error(e+"Missing require for Blockly.Mutator");this.setMutator(new Blockly.Mutator(d))}this.mixin(b);
-c&&c.apply(this)})};Blockly.Extensions.unregister=function(a){Blockly.Extensions.ALL_[a]?Blockly.Extensions.ALL_[a]=void 0:console.warn('No extension mapping for name "'+a+'" found to unregister')};
+c&&c.apply(this)})};Blockly.Extensions.unregister=function(a){Blockly.Extensions.ALL_[a]?delete Blockly.Extensions.ALL_[a]:console.warn('No extension mapping for name "'+a+'" found to unregister')};
 Blockly.Extensions.apply=function(a,b,c){var d=Blockly.Extensions.ALL_[a];if("function"!=typeof d)throw Error('Error: Extension "'+a+'" not found.');if(c)Blockly.Extensions.checkNoMutatorProperties_(a,b);else var e=Blockly.Extensions.getMutatorProperties_(b);d.apply(b);if(c)Blockly.Extensions.checkBlockHasMutatorProperties_('Error after applying mutator "'+a+'": ',b);else if(!Blockly.Extensions.mutatorPropertiesMatch_(e,b))throw Error('Error when applying extension "'+a+'": mutation properties changed when applying a non-mutator extension.');
 };Blockly.Extensions.checkHasFunction_=function(a,b,c){if(!b)throw Error(a+'missing required property "'+c+'"');if("function"!=typeof b)throw Error(a+'" required property "'+c+'" must be a function');};Blockly.Extensions.checkNoMutatorProperties_=function(a,b){if(Blockly.Extensions.getMutatorProperties_(b).length)throw Error('Error: tried to apply mutation "'+a+'" to a block that already has mutator functions.  Block id: '+b.id);};
 Blockly.Extensions.checkMutatorDialog_=function(a,b){var c=void 0!==a.compose,d=void 0!==a.decompose;if(c&&d){if("function"!=typeof a.compose)throw Error(b+"compose must be a function.");if("function"!=typeof a.decompose)throw Error(b+"decompose must be a function.");return!0}if(c||d)throw Error(b+'Must have both or neither of "compose" and "decompose"');return!1};
@@ -261,7 +261,7 @@ this.positionBubble_();this.renderArrow_();this.resizeCallback_&&this.resizeCall
 Blockly.Bubble.prototype.renderArrow_=function(){var a=[],b=this.width_/2,c=this.height_/2,d=-this.relativeLeft_,e=-this.relativeTop_;if(b==d&&c==e)a.push("M "+b+","+c);else{e-=c;d-=b;this.workspace_.RTL&&(d*=-1);var f=Math.sqrt(e*e+d*d),g=Math.acos(d/f);0>e&&(g=2*Math.PI-g);var h=g+Math.PI/2;h>2*Math.PI&&(h-=2*Math.PI);var k=Math.sin(h),l=Math.cos(h),m=this.getBubbleSize();h=(m.width+m.height)/Blockly.Bubble.ARROW_THICKNESS;h=Math.min(h,m.width,m.height)/4;m=1-Blockly.Bubble.ANCHOR_RADIUS/f;d=b+
 m*d;e=c+m*e;m=b+h*l;var n=c+h*k;b-=h*l;c-=h*k;k=g+this.arrow_radians_;k>2*Math.PI&&(k-=2*Math.PI);g=Math.sin(k)*f/Blockly.Bubble.ARROW_BEND;f=Math.cos(k)*f/Blockly.Bubble.ARROW_BEND;a.push("M"+m+","+n);a.push("C"+(m+f)+","+(n+g)+" "+d+","+e+" "+d+","+e);a.push("C"+d+","+e+" "+(b+f)+","+(c+g)+" "+b+","+c)}a.push("z");this.bubbleArrow_.setAttribute("d",a.join(" "))};Blockly.Bubble.prototype.setColour=function(a){this.bubbleBack_.setAttribute("fill",a);this.bubbleArrow_.setAttribute("fill",a)};
 Blockly.Bubble.prototype.dispose=function(){Blockly.Bubble.unbindDragEvents_();Blockly.utils.dom.removeNode(this.bubbleGroup_);this.shape_=this.content_=this.workspace_=this.resizeGroup_=this.bubbleBack_=this.bubbleArrow_=this.bubbleGroup_=null};Blockly.Bubble.prototype.moveDuringDrag=function(a,b){a?a.translateSurface(b.x,b.y):this.moveTo(b.x,b.y);this.relativeLeft_=this.workspace_.RTL?this.anchorXY_.x-b.x-this.width_:b.x-this.anchorXY_.x;this.relativeTop_=b.y-this.anchorXY_.y;this.renderArrow_()};
-Blockly.Bubble.prototype.getRelativeToSurfaceXY=function(){return new Blockly.utils.Coordinate(this.anchorXY_.x+this.relativeLeft_,this.anchorXY_.y+this.relativeTop_)};Blockly.Bubble.prototype.setAutoLayout=function(a){this.autoLayout_=a};Blockly.Events.CommentBase=function(a){this.commentId=a.id;this.workspaceId=a.workspace.id;this.group=Blockly.Events.group_;this.recordUndo=Blockly.Events.recordUndo};Blockly.utils.object.inherits(Blockly.Events.CommentBase,Blockly.Events.Abstract);Blockly.Events.CommentBase.prototype.toJson=function(){var a=Blockly.Events.CommentBase.superClass_.toJson.call(this);this.commentId&&(a.commentId=this.commentId);return a};
+Blockly.Bubble.prototype.getRelativeToSurfaceXY=function(){return new Blockly.utils.Coordinate(this.anchorXY_.x+this.relativeLeft_,this.anchorXY_.y+this.relativeTop_)};Blockly.Bubble.prototype.setAutoLayout=function(a){this.autoLayout_=a};Blockly.Events.CommentBase=function(a){this.commentId=a.id;this.workspaceId=a.workspace.id;this.group=Blockly.Events.getGroup();this.recordUndo=Blockly.Events.recordUndo};Blockly.utils.object.inherits(Blockly.Events.CommentBase,Blockly.Events.Abstract);Blockly.Events.CommentBase.prototype.toJson=function(){var a=Blockly.Events.CommentBase.superClass_.toJson.call(this);this.commentId&&(a.commentId=this.commentId);return a};
 Blockly.Events.CommentBase.prototype.fromJson=function(a){Blockly.Events.CommentBase.superClass_.fromJson.call(this,a);this.commentId=a.commentId};Blockly.Events.CommentChange=function(a,b,c){a&&(Blockly.Events.CommentChange.superClass_.constructor.call(this,a),this.oldContents_=b,this.newContents_=c)};Blockly.utils.object.inherits(Blockly.Events.CommentChange,Blockly.Events.CommentBase);Blockly.Events.CommentChange.prototype.type=Blockly.Events.COMMENT_CHANGE;
 Blockly.Events.CommentChange.prototype.toJson=function(){var a=Blockly.Events.CommentChange.superClass_.toJson.call(this);a.newContents=this.newContents_;return a};Blockly.Events.CommentChange.prototype.fromJson=function(a){Blockly.Events.CommentChange.superClass_.fromJson.call(this,a);this.newContents_=a.newValue};Blockly.Events.CommentChange.prototype.isNull=function(){return this.oldContents_==this.newContents_};
 Blockly.Events.CommentChange.prototype.run=function(a){var b=this.getEventWorkspace_().getCommentById(this.commentId);b?b.setContent(a?this.newContents_:this.oldContents_):console.warn("Can't change non-existent comment: "+this.commentId)};Blockly.Events.CommentCreate=function(a){a&&(Blockly.Events.CommentCreate.superClass_.constructor.call(this,a),this.xml=a.toXmlWithXY())};Blockly.utils.object.inherits(Blockly.Events.CommentCreate,Blockly.Events.CommentBase);
@@ -281,7 +281,7 @@ Blockly.BubbleDragger.prototype.endBubbleDrag=function(a,b){this.dragBubble(a,b)
 Blockly.BubbleDragger.prototype.pixelsToWorkspaceUnits_=function(a){a=new Blockly.utils.Coordinate(a.x/this.workspace_.scale,a.y/this.workspace_.scale);this.workspace_.isMutator&&a.scale(1/this.workspace_.options.parentWorkspace.scale);return a};Blockly.BubbleDragger.prototype.moveToDragSurface_=function(){this.draggingBubble_.moveTo(0,0);this.dragSurface_.translateSurface(this.startXY_.x,this.startXY_.y);this.dragSurface_.setBlocksAndShow(this.draggingBubble_.getSvgRoot())};Blockly.constants={};Blockly.LINE_MODE_MULTIPLIER=40;Blockly.PAGE_MODE_MULTIPLIER=125;Blockly.DRAG_RADIUS=5;Blockly.FLYOUT_DRAG_RADIUS=10;Blockly.SNAP_RADIUS=28;Blockly.CONNECTING_SNAP_RADIUS=Blockly.SNAP_RADIUS;Blockly.CURRENT_CONNECTION_PREFERENCE=8;Blockly.INSERTION_MARKER_COLOUR="#000000";Blockly.BUMP_DELAY=250;Blockly.BUMP_RANDOMNESS=10;Blockly.COLLAPSE_CHARS=30;Blockly.LONGPRESS=750;Blockly.SOUND_LIMIT=100;Blockly.DRAG_STACK=!0;Blockly.HSV_SATURATION=.45;Blockly.HSV_VALUE=.65;
 Blockly.SPRITE={width:96,height:124,url:"sprites.png"};Blockly.INPUT_VALUE=1;Blockly.OUTPUT_VALUE=2;Blockly.NEXT_STATEMENT=3;Blockly.PREVIOUS_STATEMENT=4;Blockly.DUMMY_INPUT=5;Blockly.ALIGN_LEFT=-1;Blockly.ALIGN_CENTRE=0;Blockly.ALIGN_RIGHT=1;Blockly.DRAG_NONE=0;Blockly.DRAG_STICKY=1;Blockly.DRAG_BEGIN=1;Blockly.DRAG_FREE=2;Blockly.OPPOSITE_TYPE=[];Blockly.OPPOSITE_TYPE[Blockly.INPUT_VALUE]=Blockly.OUTPUT_VALUE;Blockly.OPPOSITE_TYPE[Blockly.OUTPUT_VALUE]=Blockly.INPUT_VALUE;
 Blockly.OPPOSITE_TYPE[Blockly.NEXT_STATEMENT]=Blockly.PREVIOUS_STATEMENT;Blockly.OPPOSITE_TYPE[Blockly.PREVIOUS_STATEMENT]=Blockly.NEXT_STATEMENT;Blockly.TOOLBOX_AT_TOP=0;Blockly.TOOLBOX_AT_BOTTOM=1;Blockly.TOOLBOX_AT_LEFT=2;Blockly.TOOLBOX_AT_RIGHT=3;Blockly.DELETE_AREA_NONE=null;Blockly.DELETE_AREA_TRASH=1;Blockly.DELETE_AREA_TOOLBOX=2;Blockly.VARIABLE_CATEGORY_NAME="VARIABLE";Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME="VARIABLE_DYNAMIC";Blockly.PROCEDURE_CATEGORY_NAME="PROCEDURE";
-Blockly.RENAME_VARIABLE_ID="RENAME_VARIABLE_ID";Blockly.DELETE_VARIABLE_ID="DELETE_VARIABLE_ID";Blockly.Events.Ui=function(a,b,c,d){Blockly.Events.Ui.superClass_.constructor.call(this);this.blockId=a?a.id:null;this.workspaceId=a?a.workspace.id:null;this.element=b;this.oldValue=c;this.newValue=d;this.recordUndo=!1};Blockly.utils.object.inherits(Blockly.Events.Ui,Blockly.Events.Abstract);Blockly.Events.Ui.prototype.type=Blockly.Events.UI;
+Blockly.RENAME_VARIABLE_ID="RENAME_VARIABLE_ID";Blockly.DELETE_VARIABLE_ID="DELETE_VARIABLE_ID";Blockly.Events.Ui=function(a,b,c,d){Blockly.Events.Ui.superClass_.constructor.call(this);this.blockId=a?a.id:null;this.workspaceId=a?a.workspace.id:void 0;this.element=b;this.oldValue=c;this.newValue=d;this.recordUndo=!1};Blockly.utils.object.inherits(Blockly.Events.Ui,Blockly.Events.Abstract);Blockly.Events.Ui.prototype.type=Blockly.Events.UI;
 Blockly.Events.Ui.prototype.toJson=function(){var a=Blockly.Events.Ui.superClass_.toJson.call(this);a.element=this.element;void 0!==this.newValue&&(a.newValue=this.newValue);this.blockId&&(a.blockId=this.blockId);return a};Blockly.Events.Ui.prototype.fromJson=function(a){Blockly.Events.Ui.superClass_.fromJson.call(this,a);this.element=a.element;this.newValue=a.newValue;this.blockId=a.blockId};Blockly.WorkspaceDragger=function(a){this.workspace_=a;this.startScrollXY_=new Blockly.utils.Coordinate(a.scrollX,a.scrollY)};Blockly.WorkspaceDragger.prototype.dispose=function(){this.workspace_=null};Blockly.WorkspaceDragger.prototype.startDrag=function(){Blockly.selected&&Blockly.selected.unselect();this.workspace_.setupDragSurface()};Blockly.WorkspaceDragger.prototype.endDrag=function(a){this.drag(a);this.workspace_.resetDragSurface()};
 Blockly.WorkspaceDragger.prototype.drag=function(a){a=Blockly.utils.Coordinate.sum(this.startScrollXY_,a);this.workspace_.scroll(a.x,a.y)};Blockly.FlyoutDragger=function(a){Blockly.FlyoutDragger.superClass_.constructor.call(this,a.getWorkspace());this.scrollbar_=a.scrollbar_;this.horizontalLayout_=a.horizontalLayout_};Blockly.utils.object.inherits(Blockly.FlyoutDragger,Blockly.WorkspaceDragger);Blockly.FlyoutDragger.prototype.drag=function(a){a=Blockly.utils.Coordinate.sum(this.startScrollXY_,a);this.horizontalLayout_?this.scrollbar_.set(-a.x):this.scrollbar_.set(-a.y)};Blockly.Tooltip={};Blockly.Tooltip.visible=!1;Blockly.Tooltip.blocked_=!1;Blockly.Tooltip.LIMIT=50;Blockly.Tooltip.mouseOutPid_=0;Blockly.Tooltip.showPid_=0;Blockly.Tooltip.lastX_=0;Blockly.Tooltip.lastY_=0;Blockly.Tooltip.element_=null;Blockly.Tooltip.poisonedElement_=null;Blockly.Tooltip.OFFSET_X=0;Blockly.Tooltip.OFFSET_Y=10;Blockly.Tooltip.RADIUS_OK=10;Blockly.Tooltip.HOVER_MS=750;Blockly.Tooltip.MARGINS=5;Blockly.Tooltip.DIV=null;
 Blockly.Tooltip.createDom=function(){Blockly.Tooltip.DIV||(Blockly.Tooltip.DIV=document.createElement("div"),Blockly.Tooltip.DIV.className="blocklyTooltipDiv",document.body.appendChild(Blockly.Tooltip.DIV))};Blockly.Tooltip.bindMouseEvents=function(a){Blockly.bindEvent_(a,"mouseover",null,Blockly.Tooltip.onMouseOver_);Blockly.bindEvent_(a,"mouseout",null,Blockly.Tooltip.onMouseOut_);a.addEventListener("mousemove",Blockly.Tooltip.onMouseMove_,!1)};
@@ -335,18 +335,18 @@ Blockly.Field.prototype.updateWidth=function(){console.warn("Deprecated call to
 Blockly.Field.prototype.getSize=function(){if(!this.isVisible())return new Blockly.utils.Size(0,0);this.isDirty_?(this.render_(),this.isDirty_=!1):this.visible_&&0==this.size_.width&&(console.warn("Deprecated use of setting size_.width to 0 to rerender a field. Set field.isDirty_ to true instead."),this.render_());return this.size_};
 Blockly.Field.prototype.getScaledBBox_=function(){var a=this.borderRect_.getBBox(),b=a.height*this.sourceBlock_.workspace.scale;a=a.width*this.sourceBlock_.workspace.scale;var c=this.getAbsoluteXY_();return{top:c.y,bottom:c.y+b,left:c.x,right:c.x+a}};
 Blockly.Field.prototype.getDisplayText_=function(){var a=this.getText();if(!a)return Blockly.Field.NBSP;a.length>this.maxDisplayLength&&(a=a.substring(0,this.maxDisplayLength-2)+"\u2026");a=a.replace(/\s/g,Blockly.Field.NBSP);this.sourceBlock_&&this.sourceBlock_.RTL&&(a+="\u200f");return a};Blockly.Field.prototype.getText=function(){if(this.getText_){var a=this.getText_.call(this);if(null!==a)return String(a)}return String(this.getValue())};
-Blockly.Field.prototype.setText=function(a){throw Error("setText method is deprecated");};Blockly.Field.prototype.markDirty=function(){this.isDirty_=!0};Blockly.Field.prototype.forceRerender=function(){this.isDirty_=!0;this.sourceBlock_&&this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_())};
-Blockly.Field.prototype.setValue=function(a){if(null!==a){var b=this.doClassValidation_(a);a=this.processValidation_(a,b);if(!(a instanceof Error)){if(b=this.getValidator())if(b=b.call(this,a),a=this.processValidation_(a,b),a instanceof Error)return;b=this.getValue();b!==a&&(this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,b,a)),this.doValueUpdate_(a),this.isDirty_&&this.forceRerender())}}};
+Blockly.Field.prototype.setText=function(a){throw Error("setText method is deprecated");};Blockly.Field.prototype.markDirty=function(){this.isDirty_=!0};Blockly.Field.prototype.forceRerender=function(){this.isDirty_=!0;this.sourceBlock_&&this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours())};
+Blockly.Field.prototype.setValue=function(a){if(null!==a){var b=this.doClassValidation_(a);a=this.processValidation_(a,b);if(!(a instanceof Error)){if(b=this.getValidator())if(b=b.call(this,a),a=this.processValidation_(a,b),a instanceof Error)return;b=this.getValue();b!==a&&(this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name||null,b,a)),this.doValueUpdate_(a),this.isDirty_&&this.forceRerender())}}};
 Blockly.Field.prototype.processValidation_=function(a,b){if(null===b)return this.doValueInvalid_(a),this.isDirty_&&this.forceRerender(),Error();void 0!==b&&(a=b);return a};Blockly.Field.prototype.getValue=function(){return this.value_};Blockly.Field.prototype.doClassValidation_=function(a){return null===a||void 0===a?null:a=this.classValidator(a)};Blockly.Field.prototype.doValueUpdate_=function(a){this.value_=a;this.isDirty_=!0};Blockly.Field.prototype.doValueInvalid_=function(a){};
 Blockly.Field.prototype.onMouseDown_=function(a){this.sourceBlock_&&this.sourceBlock_.workspace&&(a=this.sourceBlock_.workspace.getGesture(a))&&a.setStartField(this)};Blockly.Field.prototype.setTooltip=function(a){var b=this.getClickTarget_();b?b.tooltip=a||""===a?a:this.sourceBlock_:this.tooltip_=a};Blockly.Field.prototype.getClickTarget_=function(){return this.clickTarget_||this.getSvgRoot()};Blockly.Field.prototype.getAbsoluteXY_=function(){return Blockly.utils.style.getPageOffset(this.borderRect_)};
 Blockly.Field.prototype.referencesVariables=function(){return!1};Blockly.Field.prototype.getParentInput=function(){for(var a=null,b=this.sourceBlock_,c=b.inputList,d=0;d<b.inputList.length;d++)for(var e=c[d],f=e.fieldRow,g=0;g<f.length;g++)if(f[g]===this){a=e;break}return a};Blockly.Field.prototype.getFlipRtl=function(){return!1};Blockly.Field.prototype.isTabNavigable=function(){return!1};Blockly.Field.prototype.onBlocklyAction=function(a){return!1};
 Blockly.Field.prototype.setCursorSvg=function(a){a?(this.fieldGroup_.appendChild(a),this.cursorSvg_=a):this.cursorSvg_=null};Blockly.Field.prototype.setMarkerSvg=function(a){a?(this.fieldGroup_.appendChild(a),this.markerSvg_=a):this.markerSvg_=null};Blockly.fieldRegistry={};Blockly.fieldRegistry.typeMap_={};Blockly.fieldRegistry.register=function(a,b){if("string"!=typeof a||""==a.trim())throw Error('Invalid field type "'+a+'". The type must be a non-empty string.');if(Blockly.fieldRegistry.typeMap_[a])throw Error('Error: Field "'+a+'" is already registered.');if(!b||"function"!=typeof b.fromJson)throw Error('Field "'+b+'" must have a fromJson function');a=a.toLowerCase();Blockly.fieldRegistry.typeMap_[a]=b};
-Blockly.fieldRegistry.unregister=function(a){Blockly.fieldRegistry.typeMap_[a]?Blockly.fieldRegistry.typeMap_[a]=void 0:console.warn('No field mapping for type "'+a+'" found to unregister')};
-Blockly.fieldRegistry.fromJson=function(a){var b=a.type.toLowerCase();b=Blockly.fieldRegistry.typeMap_[b];return b?b.fromJson(a):(console.warn("Blockly could not create a field of type "+a.type+". The field is probably not being registered. This could be because the file is not loaded, the field does not register itself (Issue #1584), or the registration is not being reached."),null)};Blockly.FieldLabel=function(a,b,c){this.class_=null;null==a&&(a="");Blockly.FieldLabel.superClass_.constructor.call(this,a,null,c);c||(this.class_=b);this.size_=new Blockly.utils.Size(0,Blockly.Field.TEXT_DEFAULT_HEIGHT)};Blockly.utils.object.inherits(Blockly.FieldLabel,Blockly.Field);Blockly.FieldLabel.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldLabel(b,void 0,a)};Blockly.FieldLabel.prototype.EDITABLE=!1;
+Blockly.fieldRegistry.unregister=function(a){Blockly.fieldRegistry.typeMap_[a]?delete Blockly.fieldRegistry.typeMap_[a]:console.warn('No field mapping for type "'+a+'" found to unregister')};
+Blockly.fieldRegistry.fromJson=function(a){var b=a.type.toLowerCase();b=Blockly.fieldRegistry.typeMap_[b];return b?b.fromJson(a):(console.warn("Blockly could not create a field of type "+a.type+". The field is probably not being registered. This could be because the file is not loaded, the field does not register itself (Issue #1584), or the registration is not being reached."),null)};Blockly.FieldLabel=function(a,b,c){this.class_=null;null==a&&(a="");Blockly.FieldLabel.superClass_.constructor.call(this,a,null,c);c||(this.class_=b||null);this.size_=new Blockly.utils.Size(0,Blockly.Field.TEXT_DEFAULT_HEIGHT)};Blockly.utils.object.inherits(Blockly.FieldLabel,Blockly.Field);Blockly.FieldLabel.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldLabel(b,void 0,a)};Blockly.FieldLabel.prototype.EDITABLE=!1;
 Blockly.FieldLabel.prototype.configure_=function(a){Blockly.FieldLabel.superClass_.configure_.call(this,a);this.class_=a["class"]};Blockly.FieldLabel.prototype.initView=function(){this.createTextElement_();this.textElement_.setAttribute("y",this.size_.height);this.class_&&Blockly.utils.dom.addClass(this.textElement_,this.class_)};Blockly.FieldLabel.prototype.doClassValidation_=function(a){return null===a||void 0===a?null:String(a)};
 Blockly.FieldLabel.prototype.setClass=function(a){this.textElement_&&(this.class_&&Blockly.utils.dom.removeClass(this.textElement_,this.class_),a&&Blockly.utils.dom.addClass(this.textElement_,a));this.class_=a};Blockly.fieldRegistry.register("field_label",Blockly.FieldLabel);Blockly.Input=function(a,b,c,d){if(a!=Blockly.DUMMY_INPUT&&!b)throw Error("Value inputs and statement inputs must have non-empty name.");this.type=a;this.name=b;this.sourceBlock_=c;this.connection=d;this.fieldRow=[]};Blockly.Input.prototype.align=Blockly.ALIGN_LEFT;Blockly.Input.prototype.visible_=!0;Blockly.Input.prototype.getSourceBlock=function(){return this.sourceBlock_};Blockly.Input.prototype.appendField=function(a,b){this.insertFieldAt(this.fieldRow.length,a,b);return this};
-Blockly.Input.prototype.insertFieldAt=function(a,b,c){if(0>a||a>this.fieldRow.length)throw Error("index "+a+" out of bounds.");if(!(b||""==b&&c))return a;"string"==typeof b&&(b=new Blockly.FieldLabel(b));b.setSourceBlock(this.sourceBlock_);this.sourceBlock_.rendered&&b.init();b.name=c;b.prefixField&&(a=this.insertFieldAt(a,b.prefixField));this.fieldRow.splice(a,0,b);++a;b.suffixField&&(a=this.insertFieldAt(a,b.suffixField));this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_());
-return a};Blockly.Input.prototype.removeField=function(a){for(var b=0,c;c=this.fieldRow[b];b++)if(c.name===a){c.dispose();this.fieldRow.splice(b,1);this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours_());return}throw Error('Field "%s" not found.',a);};Blockly.Input.prototype.isVisible=function(){return this.visible_};
+Blockly.Input.prototype.insertFieldAt=function(a,b,c){if(0>a||a>this.fieldRow.length)throw Error("index "+a+" out of bounds.");if(!(b||""==b&&c))return a;"string"==typeof b&&(b=new Blockly.FieldLabel(b));b.setSourceBlock(this.sourceBlock_);this.sourceBlock_.rendered&&b.init();b.name=c;b.prefixField&&(a=this.insertFieldAt(a,b.prefixField));this.fieldRow.splice(a,0,b);++a;b.suffixField&&(a=this.insertFieldAt(a,b.suffixField));this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours());
+return a};Blockly.Input.prototype.removeField=function(a){for(var b=0,c;c=this.fieldRow[b];b++)if(c.name===a){c.dispose();this.fieldRow.splice(b,1);this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours());return}throw Error('Field "%s" not found.',a);};Blockly.Input.prototype.isVisible=function(){return this.visible_};
 Blockly.Input.prototype.setVisible=function(a){var b=[];if(this.visible_==a)return b;for(var c=(this.visible_=a)?"block":"none",d=0,e;e=this.fieldRow[d];d++)e.setVisible(a);this.connection&&(a?b=this.connection.unhideAll():this.connection.hideAll(),d=this.connection.targetBlock())&&(d.getSvgRoot().style.display=c,a||(d.rendered=!1));return b};Blockly.Input.prototype.markDirty=function(){for(var a=0,b;b=this.fieldRow[a];a++)b.markDirty()};
 Blockly.Input.prototype.setCheck=function(a){if(!this.connection)throw Error("This input does not have a connection.");this.connection.setCheck(a);return this};Blockly.Input.prototype.setAlign=function(a){this.align=a;this.sourceBlock_.rendered&&this.sourceBlock_.render();return this};Blockly.Input.prototype.init=function(){if(this.sourceBlock_.workspace.rendered)for(var a=0;a<this.fieldRow.length;a++)this.fieldRow[a].init()};
 Blockly.Input.prototype.dispose=function(){for(var a=0,b;b=this.fieldRow[a];a++)b.dispose();this.connection&&this.connection.dispose();this.sourceBlock_=null};Blockly.utils.colour={};Blockly.utils.colour.parse=function(a){a=String(a).toLowerCase().trim();var b=Blockly.utils.colour.names[a];if(b)return b;b="#"==a[0]?a:"#"+a;if(/^#[0-9a-f]{6}$/.test(b))return b;if(/^#[0-9a-f]{3}$/.test(b))return["#",b[1],b[1],b[2],b[2],b[3],b[3]].join("");var c=a.match(/^(?:rgb)?\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/);return c&&(a=Number(c[1]),b=Number(c[2]),c=Number(c[3]),0<=a&&256>a&&0<=b&&256>b&&0<=c&&256>c)?Blockly.utils.colour.rgbToHex(a,b,c):null};
@@ -362,7 +362,7 @@ null);Blockly.selected==this&&(Blockly.selected=null);for(var b=this.childBlocks
 Blockly.Block.prototype.unplug=function(a){this.outputConnection?this.unplugFromRow_(a):this.previousConnection&&this.unplugFromStack_(a)};Blockly.Block.prototype.unplugFromRow_=function(a){var b=null;this.outputConnection.isConnected()&&(b=this.outputConnection.targetConnection,this.outputConnection.disconnect());if(b&&a&&(a=this.getOnlyValueConnection_())&&a.isConnected()&&!a.targetBlock().isShadow())if(a=a.targetConnection,a.disconnect(),a.checkType_(b))b.connect(a);else a.onFailedConnect(b)};
 Blockly.Block.prototype.getOnlyValueConnection_=function(){for(var a=null,b=0;b<this.inputList.length;b++){var c=this.inputList[b].connection;if(c&&c.type==Blockly.INPUT_VALUE&&c.targetConnection){if(a)return null;a=c}}return a};
 Blockly.Block.prototype.unplugFromStack_=function(a){var b=null;this.previousConnection.isConnected()&&(b=this.previousConnection.targetConnection,this.previousConnection.disconnect());var c=this.getNextBlock();a&&c&&!c.isShadow()&&(a=this.nextConnection.targetConnection,a.disconnect(),b&&b.checkType_(a)&&b.connect(a))};
-Blockly.Block.prototype.getConnections_=function(a){a=[];this.outputConnection&&a.push(this.outputConnection);this.previousConnection&&a.push(this.previousConnection);this.nextConnection&&a.push(this.nextConnection);for(var b=0,c;c=this.inputList[b];b++)c.connection&&a.push(c.connection);return a};Blockly.Block.prototype.lastConnectionInStack=function(){for(var a=this.nextConnection;a;){var b=a.targetBlock();if(!b)return a;a=b.nextConnection}return null};Blockly.Block.prototype.bumpNeighbours_=function(){console.warn("Not expected to reach Block.bumpNeighbours_ function. BlockSvg.bumpNeighbours_ was expected to be called instead.")};
+Blockly.Block.prototype.getConnections_=function(a){a=[];this.outputConnection&&a.push(this.outputConnection);this.previousConnection&&a.push(this.previousConnection);this.nextConnection&&a.push(this.nextConnection);for(var b=0,c;c=this.inputList[b];b++)c.connection&&a.push(c.connection);return a};Blockly.Block.prototype.lastConnectionInStack=function(){for(var a=this.nextConnection;a;){var b=a.targetBlock();if(!b)return a;a=b.nextConnection}return null};Blockly.Block.prototype.bumpNeighbours=function(){console.warn("Not expected to reach Block.bumpNeighbours function. BlockSvg.bumpNeighbours was expected to be called instead.")};
 Blockly.Block.prototype.getParent=function(){return this.parentBlock_};Blockly.Block.prototype.getInputWithBlock=function(a){for(var b=0,c;c=this.inputList[b];b++)if(c.connection&&c.connection.targetBlock()==a)return c;return null};Blockly.Block.prototype.getSurroundParent=function(){var a=this;do{var b=a;a=a.getParent();if(!a)return null}while(a.getNextBlock()==b);return a};Blockly.Block.prototype.getNextBlock=function(){return this.nextConnection&&this.nextConnection.targetBlock()};
 Blockly.Block.prototype.getPreviousBlock=function(){return this.previousConnection&&this.previousConnection.targetBlock()};Blockly.Block.prototype.getFirstStatementConnection=function(){for(var a=0,b;b=this.inputList[a];a++)if(b.connection&&b.connection.type==Blockly.NEXT_STATEMENT)return b.connection;return null};Blockly.Block.prototype.getRootBlock=function(){var a=this;do{var b=a;a=b.parentBlock_}while(a);return b};
 Blockly.Block.prototype.getTopStackBlock=function(){var a=this;do var b=a.getPreviousBlock();while(b&&b.getNextBlock()==a&&(a=b));return a};Blockly.Block.prototype.getChildren=function(a){if(!a)return this.childBlocks_;a=[];for(var b=0,c;c=this.inputList[b];b++)c.connection&&(c=c.connection.targetBlock())&&a.push(c);(b=this.getNextBlock())&&a.push(b);return a};
@@ -371,8 +371,8 @@ Blockly.Block.prototype.getDescendants=function(a){for(var b=[this],c=this.getCh
 Blockly.Block.prototype.setMovable=function(a){this.movable_=a};Blockly.Block.prototype.isDuplicatable=function(){return this.workspace.hasBlockLimits()?this.workspace.isCapacityAvailable(Blockly.utils.getBlockTypeCounts(this,!0)):!0};Blockly.Block.prototype.isShadow=function(){return this.isShadow_};Blockly.Block.prototype.setShadow=function(a){this.isShadow_=a};Blockly.Block.prototype.isInsertionMarker=function(){return this.isInsertionMarker_};
 Blockly.Block.prototype.setInsertionMarker=function(a){this.isInsertionMarker_=a};Blockly.Block.prototype.isEditable=function(){return this.editable_&&!(this.workspace&&this.workspace.options.readOnly)};Blockly.Block.prototype.setEditable=function(a){this.editable_=a;a=0;for(var b;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.updateEditable()};
 Blockly.Block.prototype.getMatchingConnection=function(a,b){var c=this.getConnections_(!0),d=a.getConnections_(!0);if(c.length!=d.length)throw Error("Connection lists did not match in length.");for(var e=0;e<d.length;e++)if(d[e]==b)return c[e];return null};Blockly.Block.prototype.setHelpUrl=function(a){this.helpUrl=a};Blockly.Block.prototype.setTooltip=function(a){this.tooltip=a};Blockly.Block.prototype.getColour=function(){return this.colour_};Blockly.Block.prototype.getColourSecondary=function(){return this.colourSecondary_};
-Blockly.Block.prototype.getColourTertiary=function(){return this.colourTertiary_};Blockly.Block.prototype.getColourShadow=function(){var a=this.getColourSecondary();return a?a:Blockly.utils.colour.blend("white",this.getColour(),.6)};
-Blockly.Block.prototype.getColourBorder=function(){var a=this.getColourTertiary();if(a)return{colourBorder:a,colourLight:null,colourDark:null};a=this.getColour();return{colourBorder:null,colourLight:Blockly.utils.colour.blend("white",a,.3),colourDark:Blockly.utils.colour.blend("black",a,.2)}};Blockly.Block.prototype.getStyleName=function(){return this.styleName_};Blockly.Block.prototype.getHue=function(){return this.hue_};
+Blockly.Block.prototype.getColourTertiary=function(){return this.colourTertiary_};Blockly.Block.prototype.getColourShadow=function(){var a=this.getColourSecondary();return a?a:Blockly.utils.colour.blend("#fff",this.getColour(),.6)};
+Blockly.Block.prototype.getColourBorder=function(){var a=this.getColourTertiary();if(a)return{colourBorder:a,colourLight:null,colourDark:null};a=this.getColour();return{colourBorder:null,colourLight:Blockly.utils.colour.blend("#fff",a,.3),colourDark:Blockly.utils.colour.blend("#000",a,.2)}};Blockly.Block.prototype.getStyleName=function(){return this.styleName_};Blockly.Block.prototype.getHue=function(){return this.hue_};
 Blockly.Block.prototype.setColour=function(a){var b="string"==typeof a?Blockly.utils.replaceMessageReferences(a):a,c=Number(b);if(!isNaN(c)&&0<=c&&360>=c)this.hue_=c,this.colour_=Blockly.hueToHex(c);else if(c=Blockly.utils.colour.parse(b))this.colour_=c,this.hue_=null;else throw c='Invalid colour: "'+b+'"',a!=b&&(c+=' (from "'+a+'")'),Error(c);};
 Blockly.Block.prototype.setStyle=function(a){var b=this.workspace.getTheme().getBlockStyle(a);this.styleName_=a;if(b)this.colourSecondary_=b.colourSecondary,this.colourTertiary_=b.colourTertiary,this.hat=b.hat,this.setColour(b.colourPrimary);else throw Error("Invalid style name: "+a);};
 Blockly.Block.prototype.setOnChange=function(a){if(a&&"function"!=typeof a)throw Error("onchange must be a function.");this.onchangeWrapper_&&this.workspace.removeChangeListener(this.onchangeWrapper_);if(this.onchange=a)this.onchangeWrapper_=a.bind(this),this.workspace.addChangeListener(this.onchangeWrapper_)};Blockly.Block.prototype.getField=function(a){for(var b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)if(e.name==a)return e;return null};
@@ -386,7 +386,7 @@ null}};Blockly.Block.prototype.setInputsInline=function(a){this.inputsInline!=a&
 Blockly.Block.prototype.getInputsInline=function(){if(void 0!=this.inputsInline)return this.inputsInline;for(var a=1;a<this.inputList.length;a++)if(this.inputList[a-1].type==Blockly.DUMMY_INPUT&&this.inputList[a].type==Blockly.DUMMY_INPUT)return!1;for(a=1;a<this.inputList.length;a++)if(this.inputList[a-1].type==Blockly.INPUT_VALUE&&this.inputList[a].type==Blockly.DUMMY_INPUT)return!0;return!1};
 Blockly.Block.prototype.setDisabled=function(a){console.warn("Deprecated call to Blockly.Block.prototype.setDisabled, use Blockly.Block.prototype.setEnabled instead.");this.setEnabled(!a)};Blockly.Block.prototype.isEnabled=function(){return!this.disabled};Blockly.Block.prototype.setEnabled=function(a){this.isEnabled()!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"disabled",null,this.disabled,!a)),this.disabled=!a)};
 Blockly.Block.prototype.getInheritedDisabled=function(){for(var a=this.getSurroundParent();a;){if(a.disabled)return!0;a=a.getSurroundParent()}return!1};Blockly.Block.prototype.isCollapsed=function(){return this.collapsed_};Blockly.Block.prototype.setCollapsed=function(a){this.collapsed_!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"collapsed",null,this.collapsed_,a)),this.collapsed_=a)};
-Blockly.Block.prototype.toString=function(a,b){var c=[],d=b||"?";if(this.collapsed_)c.push(this.getInput("_TEMP_COLLAPSED_INPUT").fieldRow[0].text_);else for(var e=0,f;f=this.inputList[e];e++){for(var g=0,h;h=f.fieldRow[g];g++)c.push(h.getText());f.connection&&((f=f.connection.targetBlock())?c.push(f.toString(void 0,b)):c.push(d))}c=c.join(" ").trim()||"???";a&&c.length>a&&(c=c.substring(0,a-3)+"...");return c};
+Blockly.Block.prototype.toString=function(a,b){var c=[],d=b||"?";if(this.collapsed_)c.push(this.getInput("_TEMP_COLLAPSED_INPUT").fieldRow[0].getText());else for(var e=0,f;f=this.inputList[e];e++){for(var g=0,h;h=f.fieldRow[g];g++)c.push(h.getText());f.connection&&((f=f.connection.targetBlock())?c.push(f.toString(void 0,b)):c.push(d))}c=c.join(" ").trim()||"???";a&&c.length>a&&(c=c.substring(0,a-3)+"...");return c};
 Blockly.Block.prototype.appendValueInput=function(a){return this.appendInput_(Blockly.INPUT_VALUE,a)};Blockly.Block.prototype.appendStatementInput=function(a){return this.appendInput_(Blockly.NEXT_STATEMENT,a)};Blockly.Block.prototype.appendDummyInput=function(a){return this.appendInput_(Blockly.DUMMY_INPUT,a||"")};
 Blockly.Block.prototype.jsonInit=function(a){var b=a.type?'Block "'+a.type+'": ':"";if(a.output&&a.previousStatement)throw Error(b+"Must not have both an output and a previousStatement.");a.style&&a.style.hat&&(this.hat=a.style.hat,a.style=null);if(a.style&&a.colour)throw Error(b+"Must not have both a colour and a style.");a.style?this.jsonInitStyle_(a,b):this.jsonInitColour_(a,b);for(var c=0;void 0!==a["message"+c];)this.interpolate_(a["message"+c],a["args"+c]||[],a["lastDummyAlign"+c]),c++;void 0!==
 a.inputsInline&&this.setInputsInline(a.inputsInline);void 0!==a.output&&this.setOutput(!0,a.output);void 0!==a.previousStatement&&this.setPreviousStatement(!0,a.previousStatement);void 0!==a.nextStatement&&this.setNextStatement(!0,a.nextStatement);void 0!==a.tooltip&&(c=a.tooltip,c=Blockly.utils.replaceMessageReferences(c),this.setTooltip(c));void 0!==a.enableContextMenu&&(c=a.enableContextMenu,this.contextMenu=!!c);void 0!==a.helpUrl&&(c=a.helpUrl,c=Blockly.utils.replaceMessageReferences(c),this.setHelpUrl(c));
@@ -462,7 +462,7 @@ Blockly.RenderedConnection.prototype.hideAll=function(){this.setHidden(!0);if(th
 Blockly.RenderedConnection.prototype.onFailedConnect=function(a){this.bumpAwayFrom_(a)};Blockly.RenderedConnection.prototype.disconnectInternal_=function(a,b){Blockly.RenderedConnection.superClass_.disconnectInternal_.call(this,a,b);a.rendered&&a.render();b.rendered&&(b.updateDisabled(),b.render())};
 Blockly.RenderedConnection.prototype.respawnShadow_=function(){var a=this.getSourceBlock(),b=this.getShadowDom();if(a.workspace&&b&&Blockly.Events.recordUndo){Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);b=this.targetBlock();if(!b)throw Error("Couldn't respawn the shadow block that should exist here.");b.initSvg();b.render(!1);a.rendered&&a.render()}};Blockly.RenderedConnection.prototype.neighbours_=function(a){return this.dbOpposite_.getNeighbours(this,a)};
 Blockly.RenderedConnection.prototype.connect_=function(a){Blockly.RenderedConnection.superClass_.connect_.call(this,a);var b=this.getSourceBlock();a=a.getSourceBlock();b.rendered&&b.updateDisabled();a.rendered&&a.updateDisabled();b.rendered&&a.rendered&&(this.type==Blockly.NEXT_STATEMENT||this.type==Blockly.PREVIOUS_STATEMENT?a.render():b.render())};
-Blockly.RenderedConnection.prototype.onCheckChanged_=function(){this.isConnected()&&!this.checkType_(this.targetConnection)&&((this.isSuperior()?this.targetBlock():this.sourceBlock_).unplug(),this.sourceBlock_.bumpNeighbours_())};Blockly.utils.Rect=function(a,b,c,d){this.top=a;this.bottom=b;this.left=c;this.right=d};Blockly.utils.Rect.prototype.contains=function(a,b){return a>=this.left&&a<=this.right&&b>=this.top&&b<=this.bottom};Blockly.Icon=function(a){this.block_=a};Blockly.Icon.prototype.collapseHidden=!0;Blockly.Icon.prototype.SIZE=17;Blockly.Icon.prototype.bubble_=null;Blockly.Icon.prototype.iconXY_=null;
+Blockly.RenderedConnection.prototype.onCheckChanged_=function(){this.isConnected()&&!this.checkType_(this.targetConnection)&&((this.isSuperior()?this.targetBlock():this.sourceBlock_).unplug(),this.sourceBlock_.bumpNeighbours())};Blockly.utils.Rect=function(a,b,c,d){this.top=a;this.bottom=b;this.left=c;this.right=d};Blockly.utils.Rect.prototype.contains=function(a,b){return a>=this.left&&a<=this.right&&b>=this.top&&b<=this.bottom};Blockly.Icon=function(a){this.block_=a};Blockly.Icon.prototype.collapseHidden=!0;Blockly.Icon.prototype.SIZE=17;Blockly.Icon.prototype.bubble_=null;Blockly.Icon.prototype.iconXY_=null;
 Blockly.Icon.prototype.createIcon=function(){this.iconGroup_||(this.iconGroup_=Blockly.utils.dom.createSvgElement("g",{"class":"blocklyIconGroup"},null),this.block_.isInFlyout&&Blockly.utils.dom.addClass(this.iconGroup_,"blocklyIconGroupReadonly"),this.drawIcon_(this.iconGroup_),this.block_.getSvgRoot().appendChild(this.iconGroup_),Blockly.bindEventWithChecks_(this.iconGroup_,"mouseup",this,this.iconClick_),this.updateEditable())};
 Blockly.Icon.prototype.dispose=function(){Blockly.utils.dom.removeNode(this.iconGroup_);this.iconGroup_=null;this.setVisible(!1);this.block_=null};Blockly.Icon.prototype.updateEditable=function(){};Blockly.Icon.prototype.isVisible=function(){return!!this.bubble_};Blockly.Icon.prototype.iconClick_=function(a){this.block_.workspace.isDragging()||this.block_.isInFlyout||Blockly.utils.isRightButton(a)||this.setVisible(!this.isVisible())};
 Blockly.Icon.prototype.updateColour=function(){this.isVisible()&&this.bubble_.setColour(this.block_.getColour())};Blockly.Icon.prototype.setIconLocation=function(a){this.iconXY_=a;this.isVisible()&&this.bubble_.setAnchorLocation(a)};
@@ -504,106 +504,66 @@ Blockly.BlockSvg.prototype.updateColour=function(){if(this.isEnabled()){this.isS
 Blockly.BlockSvg.prototype.setBorderColour_=function(){var a=this.getColourBorder();a.colourBorder?(this.svgPathLight_.style.display="none",this.svgPathDark_.style.display="none",this.svgPath_.setAttribute("stroke",a.colourBorder)):(this.svgPathLight_.style.display="",this.svgPathDark_.style.display="",this.svgPath_.setAttribute("stroke","none"),this.svgPathLight_.setAttribute("stroke",a.colourLight),this.svgPathDark_.setAttribute("fill",a.colourDark))};
 Blockly.BlockSvg.prototype.setShadowColour_=function(){var a=this.getColourShadow();this.svgPathLight_.style.display="none";this.svgPathDark_.setAttribute("fill",a);this.svgPath_.setAttribute("stroke","none");this.svgPath_.setAttribute("fill",a);return a};
 Blockly.BlockSvg.prototype.updateDisabled=function(){!this.isEnabled()||this.getInheritedDisabled()?Blockly.utils.dom.addClass(this.svgGroup_,"blocklyDisabled")&&this.svgPath_.setAttribute("fill","url(#"+this.workspace.options.disabledPatternId+")"):Blockly.utils.dom.removeClass(this.svgGroup_,"blocklyDisabled")&&this.updateColour();for(var a=this.getChildren(!1),b=0,c;c=a[b];b++)c.updateDisabled()};Blockly.BlockSvg.prototype.getCommentIcon=function(){return this.commentIcon_};
-Blockly.BlockSvg.prototype.setCommentText=function(a){if(!Blockly.Comment)throw Error("Missing require for Blockly.Comment");this.commentModel.text!=a&&(Blockly.BlockSvg.superClass_.setCommentText.call(this,a),a=null!=a,!!this.commentIcon_==a?this.commentIcon_.updateText():(a?this.comment=this.commentIcon_=new Blockly.Comment(this):(this.commentIcon_.dispose(),this.comment=this.commentIcon_=null),this.rendered&&(this.render(),this.bumpNeighbours_())))};
+Blockly.BlockSvg.prototype.setCommentText=function(a){if(!Blockly.Comment)throw Error("Missing require for Blockly.Comment");this.commentModel.text!=a&&(Blockly.BlockSvg.superClass_.setCommentText.call(this,a),a=null!=a,!!this.commentIcon_==a?this.commentIcon_.updateText():(a?this.comment=this.commentIcon_=new Blockly.Comment(this):(this.commentIcon_.dispose(),this.comment=this.commentIcon_=null),this.rendered&&(this.render(),this.bumpNeighbours())))};
 Blockly.BlockSvg.prototype.setWarningText=function(a,b){this.warningTextDb_||(this.warningTextDb_=Object.create(null));var c=b||"";if(c)this.warningTextDb_[c]&&(clearTimeout(this.warningTextDb_[c]),delete this.warningTextDb_[c]);else for(var d in this.warningTextDb_)clearTimeout(this.warningTextDb_[d]),delete this.warningTextDb_[d];if(this.workspace.isDragging()){var e=this;this.warningTextDb_[c]=setTimeout(function(){e.workspace&&(delete e.warningTextDb_[c],e.setWarningText(a,c))},100)}else{this.isInFlyout&&
 (a=null);d=this.getSurroundParent();for(var f=null;d;)d.isCollapsed()&&(f=d),d=d.getSurroundParent();f&&f.setWarningText(Blockly.Msg.COLLAPSED_WARNINGS_WARNING,Blockly.BlockSvg.COLLAPSED_WARNING_ID);d=!1;"string"==typeof a?(this.warning||(this.warning=new Blockly.Warning(this),d=!0),this.warning.setText(a,c)):this.warning&&!c?(this.warning.dispose(),d=!0):this.warning&&(d=this.warning.getText(),this.warning.setText("",c),(f=this.warning.getText())||this.warning.dispose(),d=d!=f);d&&this.rendered&&
-(this.render(),this.bumpNeighbours_())}};Blockly.BlockSvg.prototype.setMutator=function(a){this.mutator&&this.mutator!==a&&this.mutator.dispose();a&&(a.block_=this,this.mutator=a,a.createIcon())};Blockly.BlockSvg.prototype.setDisabled=function(a){console.warn("Deprecated call to Blockly.BlockSvg.prototype.setDisabled, use Blockly.BlockSvg.prototype.setEnabled instead.");this.setEnabled(!a)};
+(this.render(),this.bumpNeighbours())}};Blockly.BlockSvg.prototype.setMutator=function(a){this.mutator&&this.mutator!==a&&this.mutator.dispose();a&&(a.block_=this,this.mutator=a,a.createIcon())};Blockly.BlockSvg.prototype.setDisabled=function(a){console.warn("Deprecated call to Blockly.BlockSvg.prototype.setDisabled, use Blockly.BlockSvg.prototype.setEnabled instead.");this.setEnabled(!a)};
 Blockly.BlockSvg.prototype.setEnabled=function(a){this.isEnabled()!=a&&(Blockly.BlockSvg.superClass_.setEnabled.call(this,a),this.rendered&&this.updateDisabled())};Blockly.BlockSvg.prototype.setHighlighted=function(a){this.rendered&&(a?(this.svgPath_.setAttribute("filter","url(#"+this.workspace.options.embossFilterId+")"),this.svgPathLight_.style.display="none"):(this.svgPath_.setAttribute("filter","none"),this.svgPathLight_.style.display="inline"))};
 Blockly.BlockSvg.prototype.addSelect=function(){Blockly.utils.dom.addClass(this.svgGroup_,"blocklySelected")};Blockly.BlockSvg.prototype.removeSelect=function(){Blockly.utils.dom.removeClass(this.svgGroup_,"blocklySelected")};Blockly.BlockSvg.prototype.setDeleteStyle=function(a){a?Blockly.utils.dom.addClass(this.svgGroup_,"blocklyDraggingDelete"):Blockly.utils.dom.removeClass(this.svgGroup_,"blocklyDraggingDelete")};
-Blockly.BlockSvg.prototype.setColour=function(a){Blockly.BlockSvg.superClass_.setColour.call(this,a);this.rendered&&this.updateColour()};Blockly.BlockSvg.prototype.bringToFront=function(){var a=this;do{var b=a.getSvgRoot();b.parentNode.appendChild(b);a=a.getParent()}while(a)};Blockly.BlockSvg.prototype.setPreviousStatement=function(a,b){Blockly.BlockSvg.superClass_.setPreviousStatement.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours_())};
-Blockly.BlockSvg.prototype.setNextStatement=function(a,b){Blockly.BlockSvg.superClass_.setNextStatement.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours_())};Blockly.BlockSvg.prototype.setOutput=function(a,b){Blockly.BlockSvg.superClass_.setOutput.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours_())};Blockly.BlockSvg.prototype.setInputsInline=function(a){Blockly.BlockSvg.superClass_.setInputsInline.call(this,a);this.rendered&&(this.render(),this.bumpNeighbours_())};
-Blockly.BlockSvg.prototype.removeInput=function(a,b){Blockly.BlockSvg.superClass_.removeInput.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours_())};Blockly.BlockSvg.prototype.moveNumberedInputBefore=function(a,b){Blockly.BlockSvg.superClass_.moveNumberedInputBefore.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours_())};
-Blockly.BlockSvg.prototype.appendInput_=function(a,b){var c=Blockly.BlockSvg.superClass_.appendInput_.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours_());return c};
+Blockly.BlockSvg.prototype.setColour=function(a){Blockly.BlockSvg.superClass_.setColour.call(this,a);this.rendered&&this.updateColour()};Blockly.BlockSvg.prototype.bringToFront=function(){var a=this;do{var b=a.getSvgRoot();b.parentNode.appendChild(b);a=a.getParent()}while(a)};Blockly.BlockSvg.prototype.setPreviousStatement=function(a,b){Blockly.BlockSvg.superClass_.setPreviousStatement.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};
+Blockly.BlockSvg.prototype.setNextStatement=function(a,b){Blockly.BlockSvg.superClass_.setNextStatement.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};Blockly.BlockSvg.prototype.setOutput=function(a,b){Blockly.BlockSvg.superClass_.setOutput.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};Blockly.BlockSvg.prototype.setInputsInline=function(a){Blockly.BlockSvg.superClass_.setInputsInline.call(this,a);this.rendered&&(this.render(),this.bumpNeighbours())};
+Blockly.BlockSvg.prototype.removeInput=function(a,b){Blockly.BlockSvg.superClass_.removeInput.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};Blockly.BlockSvg.prototype.moveNumberedInputBefore=function(a,b){Blockly.BlockSvg.superClass_.moveNumberedInputBefore.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};
+Blockly.BlockSvg.prototype.appendInput_=function(a,b){var c=Blockly.BlockSvg.superClass_.appendInput_.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours());return c};
 Blockly.BlockSvg.prototype.setConnectionsHidden=function(a){if(!a&&this.isCollapsed()){if(this.outputConnection&&this.outputConnection.setHidden(a),this.previousConnection&&this.previousConnection.setHidden(a),this.nextConnection){this.nextConnection.setHidden(a);var b=this.nextConnection.targetBlock();b&&b.setConnectionsHidden(a)}}else for(var c=this.getConnections_(!0),d=0;b=c[d];d++)b.setHidden(a),b.isSuperior()&&(b=b.targetBlock())&&b.setConnectionsHidden(a)};
 Blockly.BlockSvg.prototype.getConnections_=function(a){var b=[];if(a||this.rendered)if(this.outputConnection&&b.push(this.outputConnection),this.previousConnection&&b.push(this.previousConnection),this.nextConnection&&b.push(this.nextConnection),a||!this.collapsed_){a=0;for(var c;c=this.inputList[a];a++)c.connection&&b.push(c.connection)}return b};Blockly.BlockSvg.prototype.makeConnection_=function(a){return new Blockly.RenderedConnection(this,a)};
-Blockly.BlockSvg.prototype.bumpNeighbours_=function(){if(this.workspace&&!this.workspace.isDragging()){var a=this.getRootBlock();if(!a.isInFlyout)for(var b=this.getConnections_(!1),c=0,d;d=b[c];c++){d.isConnected()&&d.isSuperior()&&d.targetBlock().bumpNeighbours_();for(var e=d.neighbours_(Blockly.SNAP_RADIUS),f=0,g;g=e[f];f++)d.isConnected()&&g.isConnected()||g.getSourceBlock().getRootBlock()!=a&&(d.isSuperior()?g.bumpAwayFrom_(d):d.bumpAwayFrom_(g))}}};
-Blockly.BlockSvg.prototype.scheduleSnapAndBump=function(){var a=this,b=Blockly.Events.getGroup();setTimeout(function(){Blockly.Events.setGroup(b);a.snapToGrid();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY/2);setTimeout(function(){Blockly.Events.setGroup(b);a.bumpNeighbours_();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY)};Blockly.BlockSvg.prototype.positionNearConnection=function(a,b){a.type!=Blockly.NEXT_STATEMENT&&a.type!=Blockly.INPUT_VALUE||this.moveBy(b.x_-a.x_,b.y_-a.y_)};
+Blockly.BlockSvg.prototype.bumpNeighbours=function(){if(this.workspace&&!this.workspace.isDragging()){var a=this.getRootBlock();if(!a.isInFlyout)for(var b=this.getConnections_(!1),c=0,d;d=b[c];c++){d.isConnected()&&d.isSuperior()&&d.targetBlock().bumpNeighbours();for(var e=d.neighbours_(Blockly.SNAP_RADIUS),f=0,g;g=e[f];f++)d.isConnected()&&g.isConnected()||g.getSourceBlock().getRootBlock()!=a&&(d.isSuperior()?g.bumpAwayFrom_(d):d.bumpAwayFrom_(g))}}};
+Blockly.BlockSvg.prototype.scheduleSnapAndBump=function(){var a=this,b=Blockly.Events.getGroup();setTimeout(function(){Blockly.Events.setGroup(b);a.snapToGrid();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY/2);setTimeout(function(){Blockly.Events.setGroup(b);a.bumpNeighbours();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY)};Blockly.BlockSvg.prototype.positionNearConnection=function(a,b){a.type!=Blockly.NEXT_STATEMENT&&a.type!=Blockly.INPUT_VALUE||this.moveBy(b.x_-a.x_,b.y_-a.y_)};
 Blockly.BlockSvg.prototype.render=function(a){Blockly.utils.dom.startTextWidthCache();this.rendered=!0;this.workspace.getRenderer().render(this);this.updateConnectionLocations_();!1!==a&&((a=this.getParent())?a.render(!0):this.workspace.resizeContents());Blockly.utils.dom.stopTextWidthCache()};
 Blockly.BlockSvg.prototype.updateConnectionLocations_=function(){var a=this.getRelativeToSurfaceXY();this.previousConnection&&this.previousConnection.moveToOffset(a);this.outputConnection&&this.outputConnection.moveToOffset(a);for(var b=0;b<this.inputList.length;b++){var c=this.inputList[b].connection;c&&(c.moveToOffset(a),c.isConnected()&&c.tighten_())}this.nextConnection&&(this.nextConnection.moveToOffset(a),this.nextConnection.isConnected()&&this.nextConnection.tighten_())};
 Blockly.BlockSvg.prototype.setCursorSvg=function(a){a?(this.svgGroup_.appendChild(a),this.cursorSvg_=a):this.cursorSvg_=null};Blockly.BlockSvg.prototype.setMarkerSvg=function(a){a?(this.cursorSvg_?this.svgGroup_.insertBefore(a,this.cursorSvg_):this.svgGroup_.appendChild(a),this.markerSvg_=a):this.markerSvg_=null};Blockly.BlockSvg.prototype.getHeightWidth=function(){var a=this.height,b=this.width,c=this.getNextBlock();c&&(c=c.getHeightWidth(),a+=c.height-4,b=Math.max(b,c.width));return{height:a,width:b}};
-Blockly.BlockSvg.prototype.positionNewBlock=function(a,b,c){b.type!=Blockly.NEXT_STATEMENT&&b.type!=Blockly.INPUT_VALUE||a.moveBy(c.x_-b.x_,c.y_-b.y_)};Blockly.BlockSvg.prototype.highlightForReplacement=function(a){a?Blockly.utils.dom.addClass(this.svgGroup_,"blocklyReplaceable"):Blockly.utils.dom.removeClass(this.svgGroup_,"blocklyReplaceable")};Blockly.Action=function(a,b){this.name=a;this.desc=b};Blockly.ASTNode=function(a,b,c){if(!b)throw Error("Cannot create a node without a location.");this.type_=a;this.isConnection_=Blockly.ASTNode.isConnectionType_(a);this.location_=b;this.processParams_(c||null)};Blockly.ASTNode.types={FIELD:"field",BLOCK:"block",INPUT:"input",OUTPUT:"output",NEXT:"next",PREVIOUS:"previous",STACK:"stack",WORKSPACE:"workspace"};Blockly.ASTNode.DEFAULT_OFFSET_Y=-20;Blockly.ASTNode.isConnectionType_=function(a){switch(a){case Blockly.ASTNode.types.PREVIOUS:case Blockly.ASTNode.types.NEXT:case Blockly.ASTNode.types.INPUT:case Blockly.ASTNode.types.OUTPUT:return!0}return!1};
-Blockly.ASTNode.createFieldNode=function(a){return new Blockly.ASTNode(Blockly.ASTNode.types.FIELD,a)};
-Blockly.ASTNode.createConnectionNode=function(a){return a?a.type==Blockly.INPUT_VALUE||a.type==Blockly.NEXT_STATEMENT&&a.getParentInput()?Blockly.ASTNode.createInputNode(a.getParentInput()):a.type==Blockly.NEXT_STATEMENT?new Blockly.ASTNode(Blockly.ASTNode.types.NEXT,a):a.type==Blockly.OUTPUT_VALUE?new Blockly.ASTNode(Blockly.ASTNode.types.OUTPUT,a):a.type==Blockly.PREVIOUS_STATEMENT?new Blockly.ASTNode(Blockly.ASTNode.types.PREVIOUS,a):null:null};
-Blockly.ASTNode.createInputNode=function(a){return a?new Blockly.ASTNode(Blockly.ASTNode.types.INPUT,a.connection):null};Blockly.ASTNode.createBlockNode=function(a){return new Blockly.ASTNode(Blockly.ASTNode.types.BLOCK,a)};Blockly.ASTNode.createStackNode=function(a){return new Blockly.ASTNode(Blockly.ASTNode.types.STACK,a)};Blockly.ASTNode.createWorkspaceNode=function(a,b){return new Blockly.ASTNode(Blockly.ASTNode.types.WORKSPACE,a,{wsCoordinate:b})};
-Blockly.ASTNode.prototype.processParams_=function(a){a&&a.wsCoordinate&&(this.wsCoordinate_=a.wsCoordinate)};Blockly.ASTNode.prototype.getLocation=function(){return this.location_};Blockly.ASTNode.prototype.getType=function(){return this.type_};Blockly.ASTNode.prototype.getWsCoordinate=function(){return this.wsCoordinate_};Blockly.ASTNode.prototype.isConnection=function(){return this.isConnection_};
-Blockly.ASTNode.prototype.findPreviousEditableField_=function(a,b,c){b=b.fieldRow;a=b.indexOf(a);for(c=(c?b.length:a)-1;a=b[c];c--)if(a.EDITABLE)return b=a,Blockly.ASTNode.createFieldNode(b);return null};Blockly.ASTNode.prototype.findNextForInput_=function(){var a=this.location_.getParentInput(),b=a.getSourceBlock();a=b.inputList.indexOf(a)+1;for(var c;c=b.inputList[a];a++){for(var d=c.fieldRow,e=0,f;f=d[e];e++)if(f.EDITABLE)return Blockly.ASTNode.createFieldNode(f);if(c.connection)return Blockly.ASTNode.createInputNode(c)}return null};
-Blockly.ASTNode.prototype.findNextForField_=function(){var a=this.location_,b=a.getParentInput(),c=a.getSourceBlock(),d=c.inputList.indexOf(b);for(a=b.fieldRow.indexOf(a)+1;b=c.inputList[d];d++){for(var e=b.fieldRow;a<e.length;){if(e[a].EDITABLE)return Blockly.ASTNode.createFieldNode(e[a]);a++}a=0;if(b.connection)return Blockly.ASTNode.createInputNode(b)}return null};
-Blockly.ASTNode.prototype.findPrevForInput_=function(){for(var a=this.location_.getParentInput(),b=a.getSourceBlock(),c=b.inputList.indexOf(a),d;d=b.inputList[c];c--){if(d.connection&&d!==a)return Blockly.ASTNode.createInputNode(d);d=d.fieldRow;for(var e=d.length-1,f;f=d[e];e--)if(f.EDITABLE)return Blockly.ASTNode.createFieldNode(f)}return null};
-Blockly.ASTNode.prototype.findPrevForField_=function(){var a=this.location_,b=a.getParentInput(),c=a.getSourceBlock(),d=c.inputList.indexOf(b);a=b.fieldRow.indexOf(a)-1;for(var e;e=c.inputList[d];d--){if(e.connection&&e!==b)return Blockly.ASTNode.createInputNode(e);for(e=e.fieldRow;-1<a;){if(e[a].EDITABLE)return Blockly.ASTNode.createFieldNode(e[a]);a--}0<=d-1&&(a=c.inputList[d-1].fieldRow.length-1)}return null};
-Blockly.ASTNode.prototype.navigateBetweenStacks_=function(a){var b=this.getLocation();b instanceof Blockly.Block||(b=b.getSourceBlock());if(!b||!b.workspace)return null;var c=b.getRootBlock();b=c.workspace.getTopBlocks(!0);for(var d=0,e;e=b[d];d++)if(c.id==e.id)return a=d+(a?1:-1),-1==a||a==b.length?null:Blockly.ASTNode.createStackNode(b[a]);throw Error("Couldn't find "+(a?"next":"previous")+" stack?!");};
-Blockly.ASTNode.prototype.findTopASTNodeForBlock_=function(a){var b=a.previousConnection||a.outputConnection;return b?Blockly.ASTNode.createConnectionNode(b):Blockly.ASTNode.createBlockNode(a)};Blockly.ASTNode.prototype.getOutAstNodeForBlock_=function(a){if(!a)return null;a=a.getTopStackBlock();var b=a.previousConnection||a.outputConnection;return b&&b.targetConnection&&b.targetConnection.getParentInput()?Blockly.ASTNode.createInputNode(b.targetConnection.getParentInput()):Blockly.ASTNode.createStackNode(a)};
-Blockly.ASTNode.prototype.findFirstFieldOrInput_=function(a){a=a.inputList;for(var b=0,c;c=a[b];b++){for(var d=c.fieldRow,e=0,f;f=d[e];e++)if(f.EDITABLE)return Blockly.ASTNode.createFieldNode(f);if(c.connection)return Blockly.ASTNode.createInputNode(c)}return null};
-Blockly.ASTNode.prototype.next=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:return this.navigateBetweenStacks_(!0);case Blockly.ASTNode.types.OUTPUT:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());case Blockly.ASTNode.types.FIELD:return this.findNextForField_();case Blockly.ASTNode.types.INPUT:return this.findNextForInput_();case Blockly.ASTNode.types.BLOCK:var a=this.location_.nextConnection;if(a)return Blockly.ASTNode.createConnectionNode(a);break;case Blockly.ASTNode.types.PREVIOUS:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());
-case Blockly.ASTNode.types.NEXT:if(a=this.location_.targetConnection)return Blockly.ASTNode.createConnectionNode(a)}return null};
-Blockly.ASTNode.prototype["in"]=function(){switch(this.type_){case Blockly.ASTNode.types.WORKSPACE:var a=this.location_.getTopBlocks(!0);if(0<a.length)return Blockly.ASTNode.createStackNode(a[0]);break;case Blockly.ASTNode.types.STACK:return this.findTopASTNodeForBlock_(this.location_);case Blockly.ASTNode.types.BLOCK:return this.findFirstFieldOrInput_(this.location_);case Blockly.ASTNode.types.INPUT:if(a=this.location_.targetConnection)return Blockly.ASTNode.createConnectionNode(a)}return null};
-Blockly.ASTNode.prototype.prev=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:return this.navigateBetweenStacks_(!1);case Blockly.ASTNode.types.FIELD:return this.findPrevForField_();case Blockly.ASTNode.types.INPUT:return this.findPrevForInput_();case Blockly.ASTNode.types.BLOCK:var a=this.location_.outputConnection;if(a=this.location_.previousConnection||a)return Blockly.ASTNode.createConnectionNode(a);break;case Blockly.ASTNode.types.PREVIOUS:if((a=this.location_.targetConnection)&&
-!a.getParentInput())return Blockly.ASTNode.createConnectionNode(a);break;case Blockly.ASTNode.types.NEXT:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock())}return null};
-Blockly.ASTNode.prototype.out=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:var a=this.location_.getRelativeToSurfaceXY();a=new Blockly.utils.Coordinate(a.x,a.y+Blockly.ASTNode.DEFAULT_OFFSET_Y);return Blockly.ASTNode.createWorkspaceNode(this.location_.workspace,a);case Blockly.ASTNode.types.OUTPUT:return(a=this.location_.targetConnection)?Blockly.ASTNode.createConnectionNode(a):Blockly.ASTNode.createStackNode(this.location_.getSourceBlock());case Blockly.ASTNode.types.FIELD:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());
-case Blockly.ASTNode.types.INPUT:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());case Blockly.ASTNode.types.BLOCK:return this.getOutAstNodeForBlock_(this.location_);case Blockly.ASTNode.types.PREVIOUS:return this.getOutAstNodeForBlock_(this.location_.getSourceBlock());case Blockly.ASTNode.types.NEXT:return this.getOutAstNodeForBlock_(this.location_.getSourceBlock())}return null};Blockly.utils.KeyCodes={WIN_KEY_FF_LINUX:0,MAC_ENTER:3,BACKSPACE:8,TAB:9,NUM_CENTER:12,ENTER:13,SHIFT:16,CTRL:17,ALT:18,PAUSE:19,CAPS_LOCK:20,ESC:27,SPACE:32,PAGE_UP:33,PAGE_DOWN:34,END:35,HOME:36,LEFT:37,UP:38,RIGHT:39,DOWN:40,PLUS_SIGN:43,PRINT_SCREEN:44,INSERT:45,DELETE:46,ZERO:48,ONE:49,TWO:50,THREE:51,FOUR:52,FIVE:53,SIX:54,SEVEN:55,EIGHT:56,NINE:57,FF_SEMICOLON:59,FF_EQUALS:61,FF_DASH:173,FF_HASH:163,QUESTION_MARK:63,AT_SIGN:64,A:65,B:66,C:67,D:68,E:69,F:70,G:71,H:72,I:73,J:74,K:75,L:76,M:77,
-N:78,O:79,P:80,Q:81,R:82,S:83,T:84,U:85,V:86,W:87,X:88,Y:89,Z:90,META:91,WIN_KEY_RIGHT:92,CONTEXT_MENU:93,NUM_ZERO:96,NUM_ONE:97,NUM_TWO:98,NUM_THREE:99,NUM_FOUR:100,NUM_FIVE:101,NUM_SIX:102,NUM_SEVEN:103,NUM_EIGHT:104,NUM_NINE:105,NUM_MULTIPLY:106,NUM_PLUS:107,NUM_MINUS:109,NUM_PERIOD:110,NUM_DIVISION:111,F1:112,F2:113,F3:114,F4:115,F5:116,F6:117,F7:118,F8:119,F9:120,F10:121,F11:122,F12:123,NUMLOCK:144,SCROLL_LOCK:145,FIRST_MEDIA_KEY:166,LAST_MEDIA_KEY:183,SEMICOLON:186,DASH:189,EQUALS:187,COMMA:188,
-PERIOD:190,SLASH:191,APOSTROPHE:192,TILDE:192,SINGLE_QUOTE:222,OPEN_SQUARE_BRACKET:219,BACKSLASH:220,CLOSE_SQUARE_BRACKET:221,WIN_KEY:224,MAC_FF_META:224,MAC_WK_CMD_LEFT:91,MAC_WK_CMD_RIGHT:93,WIN_IME:229,VK_NONAME:252,PHANTOM:255};Blockly.user={};Blockly.user.keyMap={};Blockly.user.keyMap.map_={};Blockly.user.keyMap.modifierKeys={SHIFT:"Shift",CONTROL:"Control",ALT:"Alt",META:"Meta"};Blockly.user.keyMap.setActionForKey=function(a,b){var c=Blockly.user.keyMap.getKeyByAction(b);c&&delete Blockly.user.keyMap.map_[c];Blockly.user.keyMap.map_[a]=b};Blockly.user.keyMap.setKeyMap=function(a){Blockly.user.keyMap.map_=a};Blockly.user.keyMap.getKeyMap=function(){return Object.assign({},Blockly.user.keyMap.map_)};
-Blockly.user.keyMap.getActionByKeyCode=function(a){return Blockly.user.keyMap.map_[a]};Blockly.user.keyMap.getKeyByAction=function(a){for(var b=Object.keys(Blockly.user.keyMap.map_),c=0,d;d=b[c];c++)if(Blockly.user.keyMap.map_[d].name===a.name)return d;return null};Blockly.user.keyMap.serializeKeyEvent=function(a){for(var b=Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys),c="",d=0,e;e=b[d];d++)a.getModifierState(e)&&(c+=e);return c+=a.keyCode};
-Blockly.user.keyMap.createSerializedKey=function(a,b){for(var c="",d=Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys),e=0,f;f=b[e];e++)if(-1<d.indexOf(f))c+=f;else throw Error(f+" is not a valid modifier key.");return c+a};
-Blockly.user.keyMap.createDefaultKeyMap=function(){var a={},b=Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.K,[Blockly.user.keyMap.modifierKeys.CONTROL]);a[Blockly.utils.KeyCodes.W]=Blockly.navigation.ACTION_PREVIOUS;a[Blockly.utils.KeyCodes.A]=Blockly.navigation.ACTION_OUT;a[Blockly.utils.KeyCodes.S]=Blockly.navigation.ACTION_NEXT;a[Blockly.utils.KeyCodes.D]=Blockly.navigation.ACTION_IN;a[Blockly.utils.KeyCodes.I]=Blockly.navigation.ACTION_INSERT;a[Blockly.utils.KeyCodes.ENTER]=
-Blockly.navigation.ACTION_MARK;a[Blockly.utils.KeyCodes.X]=Blockly.navigation.ACTION_DISCONNECT;a[Blockly.utils.KeyCodes.T]=Blockly.navigation.ACTION_TOOLBOX;a[Blockly.utils.KeyCodes.E]=Blockly.navigation.ACTION_EXIT;a[Blockly.utils.KeyCodes.ESC]=Blockly.navigation.ACTION_EXIT;a[b]=Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV;return a};Blockly.navigation={};Blockly.navigation.loggingCallback=null;Blockly.navigation.STATE_FLYOUT=1;Blockly.navigation.STATE_WS=2;Blockly.navigation.STATE_TOOLBOX=3;Blockly.navigation.currentState_=Blockly.navigation.STATE_WS;Blockly.navigation.actionNames={PREVIOUS:"previous",NEXT:"next",IN:"in",OUT:"out",INSERT:"insert",MARK:"mark",DISCONNECT:"disconnect",TOOLBOX:"toolbox",EXIT:"exit",TOGGLE_KEYBOARD_NAV:"toggle_keyboard_nav"};
-Blockly.navigation.focusToolbox_=function(){var a=Blockly.getMainWorkspace(),b=a.getToolbox();b&&(Blockly.navigation.currentState_=Blockly.navigation.STATE_TOOLBOX,Blockly.navigation.resetFlyout_(!1),a.getMarker().getCurNode()||Blockly.navigation.markAtCursor_(),b.selectFirstCategory())};
-Blockly.navigation.focusFlyout_=function(){Blockly.navigation.currentState_=Blockly.navigation.STATE_FLYOUT;var a=Blockly.getMainWorkspace();var b=a.getToolbox();b=b?b.flyout_:a.getFlyout();a.getMarker().getCurNode()||Blockly.navigation.markAtCursor_();b&&b.getWorkspace()&&(a=b.getWorkspace().getTopBlocks(!0),0<a.length&&(a=a[0],a=Blockly.ASTNode.createStackNode(a),Blockly.navigation.getFlyoutCursor_().setCurNode(a)))};
-Blockly.navigation.focusWorkspace_=function(){Blockly.hideChaff();var a=Blockly.getMainWorkspace(),b=a.getCursor(),c=!!a.getToolbox(),d=a.getTopBlocks(!0);Blockly.navigation.resetFlyout_(c);Blockly.navigation.currentState_=Blockly.navigation.STATE_WS;0<d.length?b.setCurNode(Blockly.navigation.getTopNode(d[0])):(c=new Blockly.utils.Coordinate(100,100),a=Blockly.ASTNode.createWorkspaceNode(a,c),b.setCurNode(a))};
-Blockly.navigation.getFlyoutCursor_=function(){var a=Blockly.getMainWorkspace(),b=null;a.rendered&&(b=(a=(b=a.getToolbox())?b.flyout_:a.getFlyout())?a.workspace_.getCursor():null);return b};
-Blockly.navigation.insertFromFlyout=function(){var a=Blockly.getMainWorkspace(),b=a.getFlyout();if(b&&b.isVisible()){var c=Blockly.navigation.getFlyoutCursor_().getCurNode().getLocation();c.isEnabled()?(b=b.createBlock(c),b.render(),b.setConnectionsHidden(!1),a.getCursor().setCurNode(Blockly.ASTNode.createBlockNode(b)),Blockly.navigation.modify_()||Blockly.navigation.warn_("Something went wrong while inserting a block from the flyout."),Blockly.navigation.focusWorkspace_(),a.getCursor().setCurNode(Blockly.navigation.getTopNode(b)),
-Blockly.navigation.removeMark_()):Blockly.navigation.warn_("Can't insert a disabled block.")}else Blockly.navigation.warn_("Trying to insert from the flyout when the flyout does not  exist or is not visible")};Blockly.navigation.resetFlyout_=function(a){Blockly.navigation.getFlyoutCursor_()&&(Blockly.navigation.getFlyoutCursor_().hide(),a&&Blockly.getMainWorkspace().getFlyout().hide())};
-Blockly.navigation.modifyWarn_=function(){var a=Blockly.getMainWorkspace().getMarker().getCurNode(),b=Blockly.getMainWorkspace().getCursor().getCurNode();if(!a)return Blockly.navigation.warn_("Cannot insert with no marked node."),!1;if(!b)return Blockly.navigation.warn_("Cannot insert with no cursor node."),!1;a=a.getType();b=b.getType();return a==Blockly.ASTNode.types.FIELD?(Blockly.navigation.warn_("Should not have been able to mark a field."),!1):a==Blockly.ASTNode.types.BLOCK?(Blockly.navigation.warn_("Should not have been able to mark a block."),
-!1):a==Blockly.ASTNode.types.STACK?(Blockly.navigation.warn_("Should not have been able to mark a stack."),!1):b==Blockly.ASTNode.types.FIELD?(Blockly.navigation.warn_("Cannot attach a field to anything else."),!1):b==Blockly.ASTNode.types.WORKSPACE?(Blockly.navigation.warn_("Cannot attach a workspace to anything else."),!1):!0};
-Blockly.navigation.moveBlockToWorkspace_=function(a,b){if(a.isShadow())return Blockly.navigation.warn_("Cannot move a shadow block to the workspace."),!1;a.getParent()&&a.unplug(!1);a.moveTo(b.getWsCoordinate());return!0};
-Blockly.navigation.modify_=function(){var a=Blockly.getMainWorkspace().getMarker().getCurNode(),b=Blockly.getMainWorkspace().getCursor().getCurNode();if(!Blockly.navigation.modifyWarn_())return!1;var c=a.getType(),d=b.getType(),e=b.getLocation(),f=a.getLocation();if(a.isConnection()&&b.isConnection())return Blockly.navigation.connect_(e,f);if(a.isConnection()&&(d==Blockly.ASTNode.types.BLOCK||d==Blockly.ASTNode.types.STACK))return Blockly.navigation.insertBlock(e,f);if(c==Blockly.ASTNode.types.WORKSPACE)return b=
-Blockly.navigation.getSourceBlock_(b),Blockly.navigation.moveBlockToWorkspace_(b,a);Blockly.navigation.warn_("Unexpected state in Blockly.navigation.modify_.");return!1};Blockly.navigation.disconnectChild_=function(a,b){var c=a.getSourceBlock(),d=b.getSourceBlock();c.getRootBlock()==d.getRootBlock()&&(-1<c.getDescendants(!1).indexOf(d)?Blockly.navigation.getInferiorConnection_(b).disconnect():Blockly.navigation.getInferiorConnection_(a).disconnect())};
-Blockly.navigation.moveAndConnect_=function(a,b){if(!a||!b)return!1;var c=a.getSourceBlock();return b.canConnectWithReason_(a)==Blockly.Connection.CAN_CONNECT?(Blockly.navigation.disconnectChild_(a,b),b.isSuperior()||c.getRootBlock().positionNearConnection(a,b),b.connect(a),!0):!1};Blockly.navigation.getInferiorConnection_=function(a){var b=a.getSourceBlock();return a.isSuperior()?b.previousConnection?b.previousConnection:b.outputConnection?b.outputConnection:null:a};
-Blockly.navigation.getSuperiorConnection_=function(a){return a.isSuperior()?a:a.targetConnection?a.targetConnection:null};
-Blockly.navigation.connect_=function(a,b){if(!a||!b)return!1;var c=Blockly.navigation.getInferiorConnection_(a),d=Blockly.navigation.getSuperiorConnection_(b),e=Blockly.navigation.getSuperiorConnection_(a),f=Blockly.navigation.getInferiorConnection_(b);if(c&&d&&Blockly.navigation.moveAndConnect_(c,d)||e&&f&&Blockly.navigation.moveAndConnect_(e,f)||Blockly.navigation.moveAndConnect_(a,b))return!0;try{b.checkConnection_(a)}catch(g){Blockly.navigation.warn_("Connection failed with error: "+g)}return!1};
-Blockly.navigation.insertBlock=function(a,b){switch(b.type){case Blockly.PREVIOUS_STATEMENT:if(Blockly.navigation.connect_(a.nextConnection,b))return!0;break;case Blockly.NEXT_STATEMENT:if(Blockly.navigation.connect_(a.previousConnection,b))return!0;break;case Blockly.INPUT_VALUE:if(Blockly.navigation.connect_(a.outputConnection,b))return!0;break;case Blockly.OUTPUT_VALUE:for(var c=0;c<a.inputList.length;c++){var d=a.inputList[c].connection;if(d&&d.type===Blockly.INPUT_VALUE&&Blockly.navigation.connect_(d,
-b))return!0}if(a.outputConnection&&Blockly.navigation.connect_(a.outputConnection,b))return!0}Blockly.navigation.warn_("This block can not be inserted at the marked location.");return!1};
-Blockly.navigation.disconnectBlocks_=function(){var a=Blockly.getMainWorkspace(),b=a.getCursor().getCurNode();if(b.isConnection()){var c=b.getLocation();c.isConnected()?(b=c.isSuperior()?c:c.targetConnection,c=c.isSuperior()?c.targetConnection:c,c.getSourceBlock().isShadow()?Blockly.navigation.log_("Cannot disconnect a shadow block"):(b.disconnect(),c.bumpAwayFrom_(b),b.getSourceBlock().getRootBlock().bringToFront(),b=Blockly.ASTNode.createConnectionNode(b),a.getCursor().setCurNode(b))):Blockly.navigation.log_("Cannot disconnect unconnected connection")}else Blockly.navigation.log_("Cannot disconnect blocks when the cursor is not on a connection")};
-Blockly.navigation.markAtCursor_=function(){var a=Blockly.getMainWorkspace();a.getMarker().setCurNode(a.getCursor().getCurNode())};Blockly.navigation.removeMark_=function(){var a=Blockly.getMainWorkspace();a.getMarker().setCurNode(null);a.getMarker().hide()};Blockly.navigation.setState=function(a){Blockly.navigation.currentState_=a};
-Blockly.navigation.getSourceBlock_=function(a){return a?a.getType()===Blockly.ASTNode.types.BLOCK?a.getLocation():a.getType()===Blockly.ASTNode.types.STACK?a.getLocation():a.getType()===Blockly.ASTNode.types.WORKSPACE?null:a.getLocation().getSourceBlock():null};Blockly.navigation.getTopNode=function(a){var b=a.previousConnection||a.outputConnection;return b?Blockly.ASTNode.createConnectionNode(b):Blockly.ASTNode.createBlockNode(a)};
-Blockly.navigation.moveCursorOnBlockDelete=function(a){var b=Blockly.getMainWorkspace();if(b&&(b=b.getCursor())){var c=b.getCurNode();c=Blockly.navigation.getSourceBlock_(c);c===a?c.getParent()?(a=c.previousConnection||c.outputConnection)&&b.setCurNode(Blockly.ASTNode.createConnectionNode(a.targetConnection)):b.setCurNode(Blockly.ASTNode.createWorkspaceNode(c.workspace,c.getRelativeToSurfaceXY())):-1<a.getChildren(!1).indexOf(c)&&b.setCurNode(Blockly.ASTNode.createWorkspaceNode(c.workspace,c.getRelativeToSurfaceXY()))}};
-Blockly.navigation.moveCursorOnBlockMutation=function(a){var b=Blockly.getMainWorkspace().getCursor();if(b){var c=b.getCurNode();c=Blockly.navigation.getSourceBlock_(c);c===a&&b.setCurNode(Blockly.ASTNode.createBlockNode(c))}};Blockly.navigation.enableKeyboardAccessibility=function(){Blockly.keyboardAccessibilityMode||(Blockly.keyboardAccessibilityMode=!0,Blockly.navigation.focusWorkspace_())};
-Blockly.navigation.disableKeyboardAccessibility=function(){if(Blockly.keyboardAccessibilityMode){var a=Blockly.getMainWorkspace();Blockly.keyboardAccessibilityMode=!1;a.getCursor().hide();a.getMarker().hide();Blockly.navigation.getFlyoutCursor_()&&Blockly.navigation.getFlyoutCursor_().hide()}};Blockly.navigation.log_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("log",a):console.log(a)};
-Blockly.navigation.warn_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("warn",a):console.warn(a)};Blockly.navigation.error_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("error",a):console.error(a)};Blockly.navigation.onKeyPress=function(a){a=Blockly.user.keyMap.serializeKeyEvent(a);return(a=Blockly.user.keyMap.getActionByKeyCode(a))?Blockly.navigation.onBlocklyAction(a):!1};
-Blockly.navigation.onBlocklyAction=function(a){var b=Blockly.getMainWorkspace().options.readOnly,c=!1;Blockly.keyboardAccessibilityMode?b?-1<Blockly.navigation.READONLY_ACTION_LIST.indexOf(a)&&(c=Blockly.navigation.handleActions_(a)):c=Blockly.navigation.handleActions_(a):a.name===Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV&&(Blockly.navigation.enableKeyboardAccessibility(),c=!0);return c};
-Blockly.navigation.handleActions_=function(a){var b=Blockly.getMainWorkspace();if(a.name===Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV)return Blockly.navigation.disableKeyboardAccessibility(),!0;if(a.name===Blockly.navigation.actionNames.TOOLBOX)return b.getToolbox()?Blockly.navigation.focusToolbox_():Blockly.navigation.focusFlyout_(),!0;if(Blockly.navigation.currentState_===Blockly.navigation.STATE_WS){b=b.getCursor().getCurNode();var c=!1;b&&b.getType()===Blockly.ASTNode.types.FIELD&&(c=
-b.getLocation().onBlocklyAction(a));c||(c=Blockly.navigation.workspaceOnAction_(a));return c}return Blockly.navigation.currentState_===Blockly.navigation.STATE_FLYOUT?Blockly.navigation.flyoutOnAction_(a):Blockly.navigation.currentState_===Blockly.navigation.STATE_TOOLBOX?Blockly.navigation.toolboxOnAction_(a):!1};
-Blockly.navigation.workspaceOnAction_=function(a){var b=Blockly.getMainWorkspace();switch(a.name){case Blockly.navigation.actionNames.PREVIOUS:return b.getCursor().prev(),!0;case Blockly.navigation.actionNames.OUT:return b.getCursor().out(),!0;case Blockly.navigation.actionNames.NEXT:return b.getCursor().next(),!0;case Blockly.navigation.actionNames.IN:return b.getCursor()["in"](),!0;case Blockly.navigation.actionNames.INSERT:return Blockly.navigation.modify_(),!0;case Blockly.navigation.actionNames.MARK:return Blockly.navigation.handleEnterForWS_(),
-!0;case Blockly.navigation.actionNames.DISCONNECT:return Blockly.navigation.disconnectBlocks_(),!0;default:return!1}};
-Blockly.navigation.flyoutOnAction_=function(a){switch(a.name){case Blockly.navigation.actionNames.PREVIOUS:return Blockly.navigation.getFlyoutCursor_().prev(),!0;case Blockly.navigation.actionNames.OUT:return Blockly.navigation.focusToolbox_(),!0;case Blockly.navigation.actionNames.NEXT:return Blockly.navigation.getFlyoutCursor_().next(),!0;case Blockly.navigation.actionNames.MARK:return Blockly.navigation.insertFromFlyout(),!0;case Blockly.navigation.actionNames.EXIT:return Blockly.navigation.focusWorkspace_(),
-!0;default:return!1}};Blockly.navigation.toolboxOnAction_=function(a){if(a.name===Blockly.navigation.actionNames.EXIT)return Blockly.navigation.focusWorkspace_(),!0;var b=Blockly.getMainWorkspace().getToolbox().onBlocklyAction(a);return b||a.name!==Blockly.navigation.actionNames.IN?b:(Blockly.navigation.focusFlyout_(),!0)};
-Blockly.navigation.handleEnterForWS_=function(){var a=Blockly.getMainWorkspace().getCursor().getCurNode(),b=a.getType();b==Blockly.ASTNode.types.FIELD?a.getLocation().showEditor_():a.isConnection()||b==Blockly.ASTNode.types.WORKSPACE?Blockly.navigation.markAtCursor_():b==Blockly.ASTNode.types.BLOCK?Blockly.navigation.warn_("Cannot mark a block."):b==Blockly.ASTNode.types.STACK&&Blockly.navigation.warn_("Cannot mark a stack.")};
-Blockly.navigation.ACTION_PREVIOUS=new Blockly.Action(Blockly.navigation.actionNames.PREVIOUS,"Go to the previous location.");Blockly.navigation.ACTION_OUT=new Blockly.Action(Blockly.navigation.actionNames.OUT,"Go to the parent of the current location.");Blockly.navigation.ACTION_NEXT=new Blockly.Action(Blockly.navigation.actionNames.NEXT,"Go to the next location.");Blockly.navigation.ACTION_IN=new Blockly.Action(Blockly.navigation.actionNames.IN,"Go to the first child of the current location.");
-Blockly.navigation.ACTION_INSERT=new Blockly.Action(Blockly.navigation.actionNames.INSERT,"Connect the current location to the marked location.");Blockly.navigation.ACTION_MARK=new Blockly.Action(Blockly.navigation.actionNames.MARK,"Mark the current location.");Blockly.navigation.ACTION_DISCONNECT=new Blockly.Action(Blockly.navigation.actionNames.DISCONNECT,"Dicsonnect the block at thecurrent location from its parent.");
-Blockly.navigation.ACTION_TOOLBOX=new Blockly.Action(Blockly.navigation.actionNames.TOOLBOX,"Open the toolbox.");Blockly.navigation.ACTION_EXIT=new Blockly.Action(Blockly.navigation.actionNames.EXIT,"Close the current modal, such as a toolbox or field editor.");Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV=new Blockly.Action(Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV,"Turns on and off keyboard navigation.");
-Blockly.navigation.READONLY_ACTION_LIST=[Blockly.navigation.ACTION_PREVIOUS,Blockly.navigation.ACTION_OUT,Blockly.navigation.ACTION_IN,Blockly.navigation.ACTION_NEXT,Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV];Blockly.Names=function(a,b){this.variablePrefix_=b||"";this.reservedDict_=Object.create(null);if(a)for(var c=a.split(","),d=0;d<c.length;d++)this.reservedDict_[c[d]]=!0;this.reset()};Blockly.Names.DEVELOPER_VARIABLE_TYPE="DEVELOPER_VARIABLE";Blockly.Names.prototype.reset=function(){this.db_=Object.create(null);this.dbReverse_=Object.create(null);this.variableMap_=null};Blockly.Names.prototype.setVariableMap=function(a){this.variableMap_=a};
-Blockly.Names.prototype.getNameForUserVariable_=function(a){return this.variableMap_?(a=this.variableMap_.getVariableById(a))?a.name:null:(console.log("Deprecated call to Blockly.Names.prototype.getName without defining a variable map. To fix, add the folowing code in your generator's init() function:\nBlockly.YourGeneratorName.variableDB_.setVariableMap(workspace.getVariableMap());"),null)};
-Blockly.Names.prototype.getName=function(a,b){if(b==Blockly.Variables.NAME_TYPE){var c=this.getNameForUserVariable_(a);c&&(a=c)}c=a.toLowerCase()+"_"+b;var d=b==Blockly.Variables.NAME_TYPE||b==Blockly.Names.DEVELOPER_VARIABLE_TYPE?this.variablePrefix_:"";if(c in this.db_)return d+this.db_[c];var e=this.getDistinctName(a,b);this.db_[c]=e.substr(d.length);return e};
-Blockly.Names.prototype.getDistinctName=function(a,b){for(var c=this.safeName_(a),d="";this.dbReverse_[c+d]||c+d in this.reservedDict_;)d=d?d+1:2;c+=d;this.dbReverse_[c]=!0;return(b==Blockly.Variables.NAME_TYPE||b==Blockly.Names.DEVELOPER_VARIABLE_TYPE?this.variablePrefix_:"")+c};Blockly.Names.prototype.safeName_=function(a){a?(a=encodeURI(a.replace(/ /g,"_")).replace(/[^\w]/g,"_"),-1!="0123456789".indexOf(a[0])&&(a="my_"+a)):a=Blockly.Msg.UNNAMED_KEY||"unnamed";return a};
-Blockly.Names.equals=function(a,b){return a.toLowerCase()==b.toLowerCase()};Blockly.Procedures={};Blockly.Procedures.NAME_TYPE=Blockly.PROCEDURE_CATEGORY_NAME;Blockly.Procedures.allProcedures=function(a){a=a.getAllBlocks(!1);for(var b=[],c=[],d=0;d<a.length;d++)if(a[d].getProcedureDef){var e=a[d].getProcedureDef();e&&(e[2]?b.push(e):c.push(e))}c.sort(Blockly.Procedures.procTupleComparator_);b.sort(Blockly.Procedures.procTupleComparator_);return[c,b]};Blockly.Procedures.procTupleComparator_=function(a,b){return a[0].toLowerCase().localeCompare(b[0].toLowerCase())};
-Blockly.Procedures.findLegalName=function(a,b){if(b.isInFlyout)return a;for(a=a||Blockly.Msg.UNNAMED_KEY||"unnamed";!Blockly.Procedures.isLegalName_(a,b.workspace,b);){var c=a.match(/^(.*?)(\d+)$/);a=c?c[1]+(parseInt(c[2],10)+1):a+"2"}return a};Blockly.Procedures.isLegalName_=function(a,b,c){return!Blockly.Procedures.isNameUsed(a,b,c)};
-Blockly.Procedures.isNameUsed=function(a,b,c){b=b.getAllBlocks(!1);for(var d=0;d<b.length;d++)if(b[d]!=c&&b[d].getProcedureDef){var e=b[d].getProcedureDef();if(Blockly.Names.equals(e[0],a))return!0}return!1};Blockly.Procedures.rename=function(a){a=a.trim();var b=Blockly.Procedures.findLegalName(a,this.getSourceBlock()),c=this.getValue();if(c!=a&&c!=b){a=this.getSourceBlock().workspace.getAllBlocks(!1);for(var d=0;d<a.length;d++)a[d].renameProcedure&&a[d].renameProcedure(c,b)}return b};
-Blockly.Procedures.flyoutCategory=function(a){function b(a,b){for(var d=0;d<a.length;d++){var e=a[d][0],f=a[d][1],g=Blockly.utils.xml.createElement("block");g.setAttribute("type",b);g.setAttribute("gap",16);var n=Blockly.utils.xml.createElement("mutation");n.setAttribute("name",e);g.appendChild(n);for(e=0;e<f.length;e++){var p=Blockly.utils.xml.createElement("arg");p.setAttribute("name",f[e]);n.appendChild(p)}c.push(g)}}var c=[];if(Blockly.Blocks.procedures_defnoreturn){var d=Blockly.utils.xml.createElement("block");
-d.setAttribute("type","procedures_defnoreturn");d.setAttribute("gap",16);var e=Blockly.utils.xml.createElement("field");e.setAttribute("name","NAME");e.appendChild(Blockly.utils.xml.createTextNode(Blockly.Msg.PROCEDURES_DEFNORETURN_PROCEDURE));d.appendChild(e);c.push(d)}Blockly.Blocks.procedures_defreturn&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","procedures_defreturn"),d.setAttribute("gap",16),e=Blockly.utils.xml.createElement("field"),e.setAttribute("name","NAME"),e.appendChild(Blockly.utils.xml.createTextNode(Blockly.Msg.PROCEDURES_DEFRETURN_PROCEDURE)),
-d.appendChild(e),c.push(d));Blockly.Blocks.procedures_ifreturn&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","procedures_ifreturn"),d.setAttribute("gap",16),c.push(d));c.length&&c[c.length-1].setAttribute("gap",24);a=Blockly.Procedures.allProcedures(a);b(a[0],"procedures_callnoreturn");b(a[1],"procedures_callreturn");return c};
-Blockly.Procedures.getCallers=function(a,b){for(var c=[],d=b.getAllBlocks(!1),e=0;e<d.length;e++)if(d[e].getProcedureCall){var f=d[e].getProcedureCall();f&&Blockly.Names.equals(f,a)&&c.push(d[e])}return c};
-Blockly.Procedures.mutateCallers=function(a){var b=Blockly.Events.recordUndo,c=a.getProcedureDef()[0],d=a.mutationToDom(!0);a=Blockly.Procedures.getCallers(c,a.workspace);c=0;for(var e;e=a[c];c++){var f=e.mutationToDom();f=f&&Blockly.Xml.domToText(f);e.domToMutation(d);var g=e.mutationToDom();g=g&&Blockly.Xml.domToText(g);f!=g&&(Blockly.Events.recordUndo=!1,Blockly.Events.fire(new Blockly.Events.BlockChange(e,"mutation",null,f,g)),Blockly.Events.recordUndo=b)}};
-Blockly.Procedures.getDefinition=function(a,b){for(var c=b.getTopBlocks(!1),d=0;d<c.length;d++)if(c[d].getProcedureDef){var e=c[d].getProcedureDef();if(e&&Blockly.Names.equals(e[0],a))return c[d]}return null};Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=document.createElement("div"),Blockly.WidgetDiv.DIV.className="blocklyWidgetDiv",document.body.appendChild(Blockly.WidgetDiv.DIV))};
-Blockly.WidgetDiv.show=function(a,b,c){Blockly.WidgetDiv.hide();Blockly.WidgetDiv.owner_=a;Blockly.WidgetDiv.dispose_=c;a=Blockly.utils.style.getViewportPageOffset();Blockly.WidgetDiv.DIV.style.top=a.y+"px";Blockly.WidgetDiv.DIV.style.direction=b?"rtl":"ltr";Blockly.WidgetDiv.DIV.style.display="block"};
-Blockly.WidgetDiv.hide=function(){Blockly.WidgetDiv.owner_&&(Blockly.WidgetDiv.owner_=null,Blockly.WidgetDiv.DIV.style.display="none",Blockly.WidgetDiv.DIV.style.left="",Blockly.WidgetDiv.DIV.style.top="",Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_(),Blockly.WidgetDiv.dispose_=null,Blockly.WidgetDiv.DIV.innerHTML="")};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};
-Blockly.WidgetDiv.positionInternal_=function(a,b,c){Blockly.WidgetDiv.DIV.style.left=a+"px";Blockly.WidgetDiv.DIV.style.top=b+"px";Blockly.WidgetDiv.DIV.style.height=c+"px"};Blockly.WidgetDiv.positionWithAnchor=function(a,b,c,d){var e=Blockly.WidgetDiv.calculateY_(a,b,c);a=Blockly.WidgetDiv.calculateX_(a,b,c,d);0>e?Blockly.WidgetDiv.positionInternal_(a,0,c.height+e):Blockly.WidgetDiv.positionInternal_(a,e,c.height)};
-Blockly.WidgetDiv.calculateX_=function(a,b,c,d){if(d)return b=Math.max(b.right-c.width,a.left),Math.min(b,a.right-c.width);b=Math.min(b.left,a.right-c.width);return Math.max(b,a.left)};Blockly.WidgetDiv.calculateY_=function(a,b,c){return b.bottom+c.height>=a.bottom?b.top-c.height:b.bottom};Blockly.blockRendering.rendererMap_={};Blockly.blockRendering.useDebugger=!1;Blockly.blockRendering.register=function(a,b){if(Blockly.blockRendering.rendererMap_[a])throw Error("Renderer has already been registered.");Blockly.blockRendering.rendererMap_[a]=b};Blockly.blockRendering.unregister=function(a){Blockly.blockRendering.rendererMap_[a]?Blockly.blockRendering.rendererMap_[a]=void 0:console.warn('No renderer mapping for name "'+a+'" found to unregister')};
-Blockly.blockRendering.startDebugger=function(){Blockly.blockRendering.useDebugger=!0};Blockly.blockRendering.stopDebugger=function(){Blockly.blockRendering.useDebugger=!1};Blockly.blockRendering.init=function(a){if(!Blockly.blockRendering.rendererMap_[a])throw Error("Renderer not registered: ",a);var b=function(){b.superClass_.constructor.call(this)};Blockly.utils.object.inherits(b,Blockly.blockRendering.rendererMap_[a]);a=new b;a.init();return a};Blockly.ConnectionDB=function(){this.connections_=[]};Blockly.ConnectionDB.prototype.addConnection=function(a){if(a.inDB_)throw Error("Connection already in database.");if(!a.getSourceBlock().isInFlyout){var b=this.findPositionForConnection_(a);this.connections_.splice(b,0,a);a.inDB_=!0}};
-Blockly.ConnectionDB.prototype.findConnection=function(a){if(!this.connections_.length)return-1;var b=this.findPositionForConnection_(a);if(b>=this.connections_.length)return-1;for(var c=a.y_,d=b;0<=d&&this.connections_[d].y_==c;){if(this.connections_[d]==a)return d;d--}for(;b<this.connections_.length&&this.connections_[b].y_==c;){if(this.connections_[b]==a)return b;b++}return-1};
-Blockly.ConnectionDB.prototype.findPositionForConnection_=function(a){if(!this.connections_.length)return 0;for(var b=0,c=this.connections_.length;b<c;){var d=Math.floor((b+c)/2);if(this.connections_[d].y_<a.y_)b=d+1;else if(this.connections_[d].y_>a.y_)c=d;else{b=d;break}}return b};
-Blockly.ConnectionDB.prototype.removeConnection_=function(a){if(!a.inDB_)throw Error("Connection not in database.");var b=this.findConnection(a);if(-1==b)throw Error("Unable to find connection in connectionDB.");a.inDB_=!1;this.connections_.splice(b,1)};
-Blockly.ConnectionDB.prototype.getNeighbours=function(a,b){function c(a){var c=e-d[a].x_,g=f-d[a].y_;Math.sqrt(c*c+g*g)<=b&&l.push(d[a]);return g<b}for(var d=this.connections_,e=a.x_,f=a.y_,g=0,h=d.length-2,k=h;g<k;)d[k].y_<f?g=k:h=k,k=Math.floor((g+h)/2);var l=[];h=g=k;if(d.length){for(;0<=g&&c(g);)g--;do h++;while(h<d.length&&c(h))}return l};Blockly.ConnectionDB.prototype.isInYRange_=function(a,b,c){return Math.abs(this.connections_[a].y_-b)<=c};
-Blockly.ConnectionDB.prototype.searchForClosest=function(a,b,c){if(!this.connections_.length)return{connection:null,radius:b};var d=a.y_,e=a.x_;a.x_=e+c.x;a.y_=d+c.y;var f=this.findPositionForConnection_(a);c=null;for(var g=b,h,k=f-1;0<=k&&this.isInYRange_(k,a.y_,b);)h=this.connections_[k],a.isConnectionAllowed(h,g)&&(c=h,g=h.distanceFrom(a)),k--;for(;f<this.connections_.length&&this.isInYRange_(f,a.y_,b);)h=this.connections_[f],a.isConnectionAllowed(h,g)&&(c=h,g=h.distanceFrom(a)),f++;a.x_=e;a.y_=
-d;return{connection:c,radius:g}};Blockly.ConnectionDB.init=function(){var a=[];a[Blockly.INPUT_VALUE]=new Blockly.ConnectionDB;a[Blockly.OUTPUT_VALUE]=new Blockly.ConnectionDB;a[Blockly.NEXT_STATEMENT]=new Blockly.ConnectionDB;a[Blockly.PREVIOUS_STATEMENT]=new Blockly.ConnectionDB;return a};Blockly.Grid=function(a,b){this.gridPattern_=a;this.spacing_=b.spacing;this.length_=b.length;this.line2_=(this.line1_=a.firstChild)&&this.line1_.nextSibling;this.snapToGrid_=b.snap};Blockly.Grid.prototype.scale_=1;Blockly.Grid.prototype.dispose=function(){this.gridPattern_=null};Blockly.Grid.prototype.shouldSnap=function(){return this.snapToGrid_};Blockly.Grid.prototype.getSpacing=function(){return this.spacing_};Blockly.Grid.prototype.getPatternId=function(){return this.gridPattern_.id};
+Blockly.BlockSvg.prototype.positionNewBlock=function(a,b,c){b.type!=Blockly.NEXT_STATEMENT&&b.type!=Blockly.INPUT_VALUE||a.moveBy(c.x_-b.x_,c.y_-b.y_)};Blockly.BlockSvg.prototype.highlightForReplacement=function(a){a?Blockly.utils.dom.addClass(this.svgGroup_,"blocklyReplaceable"):Blockly.utils.dom.removeClass(this.svgGroup_,"blocklyReplaceable")};Blockly.Css={};Blockly.Css.injected_=!1;Blockly.Css.register=function(a){if(Blockly.Css.injected_)throw Error("CSS already injected");Array.prototype.push.apply(Blockly.Css.CONTENT,a);a.length=0};
+Blockly.Css.inject=function(a,b){if(!Blockly.Css.injected_){Blockly.Css.injected_=!0;var c=Blockly.Css.CONTENT.join("\n");Blockly.Css.CONTENT.length=0;if(a){var d=b.replace(/[\\/]$/,"");c=c.replace(/<<<PATH>>>/g,d);d=document.createElement("style");c=document.createTextNode(c);d.appendChild(c);document.head.insertBefore(d,document.head.firstChild)}}};Blockly.Css.setCursor=function(a){console.warn("Deprecated call to Blockly.Css.setCursor. See https://github.com/google/blockly/issues/981 for context")};
+Blockly.Css.CONTENT=[".blocklySvg {","background-color: #fff;","outline: none;","overflow: hidden;","position: absolute;","display: block;","}",".blocklyWidgetDiv {","display: none;","position: absolute;","z-index: 99999;","}",".injectionDiv {","height: 100%;","position: relative;","overflow: hidden;","touch-action: none;","}",".blocklyNonSelectable {","user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","}",".blocklyWsDragSurface {","display: none;","position: absolute;","top: 0;",
+"left: 0;","}",".blocklyWsDragSurface.blocklyOverflowVisible {","overflow: visible;","}",".blocklyBlockDragSurface {","display: none;","position: absolute;","top: 0;","left: 0;","right: 0;","bottom: 0;","overflow: visible !important;","z-index: 50;","}",".blocklyBlockCanvas.blocklyCanvasTransitioning,",".blocklyBubbleCanvas.blocklyCanvasTransitioning {","transition: transform .5s;","}",".blocklyTooltipDiv {","background-color: #ffffc7;","border: 1px solid #ddc;","box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);",
+"color: #000;","display: none;","font-family: sans-serif;","font-size: 9pt;","opacity: .9;","padding: 2px;","position: absolute;","z-index: 100000;","}",".blocklyDropDownDiv {","position: fixed;","left: 0;","top: 0;","z-index: 1000;","display: none;","border: 1px solid;","border-radius: 2px;","padding: 4px;","box-shadow: 0px 0px 3px 1px rgba(0,0,0,.3);","}",".blocklyDropDownDiv.focused {","box-shadow: 0px 0px 6px 1px rgba(0,0,0,.3);","}",".blocklyDropDownContent {","max-height: 300px;","overflow: auto;",
+"overflow-x: hidden;","}",".blocklyDropDownArrow {","position: absolute;","left: 0;","top: 0;","width: 16px;","height: 16px;","z-index: -1;","background-color: inherit;","border-color: inherit;","}",".blocklyDropDownButton {","display: inline-block;","float: left;","padding: 0;","margin: 4px;","border-radius: 4px;","outline: none;","border: 1px solid;","transition: box-shadow .1s;","cursor: pointer;","}",".arrowTop {","border-top: 1px solid;","border-left: 1px solid;","border-top-left-radius: 4px;",
+"border-color: inherit;","}",".arrowBottom {","border-bottom: 1px solid;","border-right: 1px solid;","border-bottom-right-radius: 4px;","border-color: inherit;","}",".blocklyResizeSE {","cursor: se-resize;","fill: #aaa;","}",".blocklyResizeSW {","cursor: sw-resize;","fill: #aaa;","}",".blocklyResizeLine {","stroke: #515A5A;","stroke-width: 1;","}",".blocklyHighlightedConnectionPath {","fill: none;","stroke: #fc3;","stroke-width: 4px;","}",".blocklyPathLight {","fill: none;","stroke-linecap: round;",
+"stroke-width: 1;","}",".blocklySelected>.blocklyPath {","stroke: #fc3;","stroke-width: 3px;","}",".blocklySelected>.blocklyPathLight {","display: none;","}",".blocklyDraggable {",'cursor: url("<<<PATH>>>/handopen.cur"), auto;',"cursor: grab;","cursor: -webkit-grab;","}",".blocklyDragging {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDraggable:active {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;",
+"}",".blocklyBlockDragSurface .blocklyDraggable {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging.blocklyDraggingDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyDragging>.blocklyPath,",".blocklyDragging>.blocklyPathLight {","fill-opacity: .8;","stroke-opacity: .8;","}",".blocklyDragging>.blocklyPathDark {","display: none;","}",".blocklyDisabled>.blocklyPath {","fill-opacity: .5;","stroke-opacity: .5;",
+"}",".blocklyDisabled>.blocklyPathLight,",".blocklyDisabled>.blocklyPathDark {","display: none;","}",".blocklyInsertionMarker>.blocklyPath,",".blocklyInsertionMarker>.blocklyPathLight,",".blocklyInsertionMarker>.blocklyPathDark {","fill-opacity: .2;","stroke: none","}",".blocklyReplaceable .blocklyPath {","fill-opacity: .5;","}",".blocklyReplaceable .blocklyPathLight,",".blocklyReplaceable .blocklyPathDark {","display: none;","}",".blocklyText {","cursor: default;","fill: #fff;","font-family: sans-serif;",
+"font-size: 11pt;","}",".blocklyMultilineText {","font-family: monospace;","}",".blocklyNonEditableText>text {","pointer-events: none;","}",".blocklyNonEditableText>rect,",".blocklyEditableText>rect {","fill: #fff;","fill-opacity: .6;","}",".blocklyNonEditableText>text,",".blocklyEditableText>text {","fill: #000;","}",".blocklyEditableText:hover>rect {","stroke: #fff;","stroke-width: 2;","}",".blocklyBubbleText {","fill: #000;","}",".blocklyFlyout {","position: absolute;","z-index: 20;","}",".blocklySvg text, .blocklyBlockDragSurface text {",
+"user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","cursor: inherit;","}",".blocklyHidden {","display: none;","}",".blocklyFieldDropdown:not(.blocklyHidden) {","display: block;","}",".blocklyIconGroup {","cursor: default;","}",".blocklyIconGroup:not(:hover),",".blocklyIconGroupReadonly {","opacity: .6;","}",".blocklyIconShape {","fill: #00f;","stroke: #fff;","stroke-width: 1px;","}",".blocklyIconSymbol {","fill: #fff;","}",".blocklyMinimalBody {","margin: 0;","padding: 0;",
+"}",".blocklyCommentForeignObject {","position: relative;","z-index: 0;","}",".blocklyCommentRect {","fill: #E7DE8E;","stroke: #bcA903;","stroke-width: 1px","}",".blocklyCommentTarget {","fill: transparent;","stroke: #bcA903;","}",".blocklyCommentTargetFocused {","fill: none;","}",".blocklyCommentHandleTarget {","fill: none;","}",".blocklyCommentHandleTargetFocused {","fill: transparent;","}",".blocklyFocused>.blocklyCommentRect {","fill: #B9B272;","stroke: #B9B272;","}",".blocklySelected>.blocklyCommentTarget {",
+"stroke: #fc3;","stroke-width: 3px;","}",".blocklyCommentTextarea {","background-color: #fef49c;","border: 0;","outline: 0;","margin: 0;","padding: 3px;","resize: none;","display: block;","overflow: hidden;","}",".blocklyCommentDeleteIcon {","cursor: pointer;","fill: #000;","display: none","}",".blocklySelected > .blocklyCommentDeleteIcon {","display: block","}",".blocklyDeleteIconShape {","fill: #000;","stroke: #000;","stroke-width: 1px;","}",".blocklyDeleteIconShape.blocklyDeleteIconHighlighted {",
+"stroke: #fc3;","}",".blocklyHtmlInput {","border: none;","border-radius: 4px;","font-family: sans-serif;","height: 100%;","margin: 0;","outline: none;","padding: 0;","width: 100%;","text-align: center;","}",".blocklyHtmlInput::-ms-clear {","display: none;","}",".blocklyMainBackground {","stroke-width: 1;","stroke: #c6c6c6;","}",".blocklyMutatorBackground {","fill: #fff;","stroke: #ddd;","stroke-width: 1;","}",".blocklyFlyoutBackground {","fill: #ddd;","fill-opacity: .8;","}",".blocklyMainWorkspaceScrollbar {",
+"z-index: 20;","}",".blocklyFlyoutScrollbar {","z-index: 30;","}",".blocklyScrollbarHorizontal, .blocklyScrollbarVertical {","position: absolute;","outline: none;","}",".blocklyScrollbarBackground {","opacity: 0;","}",".blocklyScrollbarHandle {","fill: #ccc;","}",".blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyScrollbarHandle:hover {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarHandle {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",
+".blocklyFlyout .blocklyScrollbarHandle:hover {","fill: #aaa;","}",".blocklyInvalidInput {","background: #faa;","}",".blocklyContextMenu {","border-radius: 4px;","max-height: 100%;","}",".blocklyDropdownMenu {","border-radius: 2px;","padding: 0 !important;","}",".blocklyWidgetDiv .blocklyDropdownMenu .goog-menuitem,",".blocklyDropDownDiv .blocklyDropdownMenu .goog-menuitem {","padding-left: 28px;","}",".blocklyWidgetDiv .blocklyDropdownMenu .goog-menuitem.goog-menuitem-rtl,",".blocklyDropDownDiv .blocklyDropdownMenu .goog-menuitem.goog-menuitem-rtl {",
+"padding-left: 5px;","padding-right: 28px;","}",".blocklyVerticalCursor {","stroke-width: 3px;","fill: rgba(255,255,255,.5);","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon,",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-icon {","background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px;","}",".blocklyWidgetDiv .goog-menu {","background: #fff;",
+"border-color: transparent;","border-style: solid;","border-width: 1px;","cursor: default;","font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;","z-index: 20000;","box-shadow: 0px 0px 3px 1px rgba(0,0,0,.3);","}",".blocklyWidgetDiv .goog-menu.focused {","box-shadow: 0px 0px 6px 1px rgba(0,0,0,.3);","}",".blocklyDropDownDiv .goog-menu {","cursor: default;",'font: normal 13px "Helvetica Neue", Helvetica, sans-serif;',
+"outline: none;","z-index: 20000;","}",".blocklyWidgetDiv .goog-menuitem,",".blocklyDropDownDiv .goog-menuitem {","color: #000;","font: normal 13px Arial, sans-serif;","list-style: none;","margin: 0;","min-width: 7em;","border: none;","padding: 6px 15px;","white-space: nowrap;","cursor: pointer;","}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,",".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem,",".blocklyDropDownDiv .goog-menu-nocheckbox .goog-menuitem,",".blocklyDropDownDiv .goog-menu-noicon .goog-menuitem {",
+"padding-left: 12px;","}",".blocklyWidgetDiv .goog-menuitem-content,",".blocklyDropDownDiv .goog-menuitem-content {","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-content {","color: #000;","}",".blocklyDropDownDiv .goog-menuitem-content {","color: #000;","}",".blocklyWidgetDiv .goog-menuitem-disabled,",".blocklyDropDownDiv .goog-menuitem-disabled {","cursor: inherit;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content,",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-content {",
+"color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon,",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-icon {","opacity: .3;","filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight ,",".blocklyDropDownDiv .goog-menuitem-highlight {","background-color: rgba(0,0,0,.1);","}",".blocklyWidgetDiv .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-icon,",".blocklyDropDownDiv .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-menuitem-icon {",
+"background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;","width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon,",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {","left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon,",
+".blocklyDropDownDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-icon {","position: static;","float: left;","margin-left: -24px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon,",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {","float: right;","margin-right: -24px;","}"];
+Blockly.DropDownDiv=function(){};Blockly.DropDownDiv.DIV_=null;Blockly.DropDownDiv.boundsElement_=null;Blockly.DropDownDiv.owner_=null;Blockly.DropDownDiv.positionToField_=null;Blockly.DropDownDiv.ARROW_SIZE=16;Blockly.DropDownDiv.BORDER_SIZE=1;Blockly.DropDownDiv.ARROW_HORIZONTAL_PADDING=12;Blockly.DropDownDiv.PADDING_Y=16;Blockly.DropDownDiv.ANIMATION_TIME=.25;Blockly.DropDownDiv.DEFAULT_DROPDOWN_BORDER_COLOR="#dadce0";Blockly.DropDownDiv.DEFAULT_DROPDOWN_COLOR="#fff";
+Blockly.DropDownDiv.animateOutTimer_=null;Blockly.DropDownDiv.onHide_=0;
+Blockly.DropDownDiv.createDom=function(){if(!Blockly.DropDownDiv.DIV_){var a=document.createElement("div");a.className="blocklyDropDownDiv";a.style.backgroundColor=Blockly.DropDownDiv.DEFAULT_DROPDOWN_COLOR;a.style.borderColor=Blockly.DropDownDiv.DEFAULT_DROPDOWN_BORDER_COLOR;document.body.appendChild(a);Blockly.DropDownDiv.DIV_=a;var b=document.createElement("div");b.className="blocklyDropDownContent";a.appendChild(b);Blockly.DropDownDiv.content_=b;b=document.createElement("div");b.className="blocklyDropDownArrow";
+a.appendChild(b);Blockly.DropDownDiv.arrow_=b;Blockly.DropDownDiv.DIV_.style.opacity=0;Blockly.DropDownDiv.DIV_.style.transition="transform "+Blockly.DropDownDiv.ANIMATION_TIME+"s, opacity "+Blockly.DropDownDiv.ANIMATION_TIME+"s";a.addEventListener("focusin",function(){Blockly.utils.dom.addClass(a,"focused")});a.addEventListener("focusout",function(){Blockly.utils.dom.removeClass(a,"focused")})}};Blockly.DropDownDiv.setBoundsElement=function(a){Blockly.DropDownDiv.boundsElement_=a};
+Blockly.DropDownDiv.getContentDiv=function(){return Blockly.DropDownDiv.content_};Blockly.DropDownDiv.clearContent=function(){Blockly.DropDownDiv.content_.innerHTML="";Blockly.DropDownDiv.content_.style.width=""};Blockly.DropDownDiv.setColour=function(a,b){Blockly.DropDownDiv.DIV_.style.backgroundColor=a;Blockly.DropDownDiv.DIV_.style.borderColor=b};Blockly.DropDownDiv.setCategory=function(a){Blockly.DropDownDiv.DIV_.setAttribute("data-category",a)};
+Blockly.DropDownDiv.showPositionedByBlock=function(a,b,c,d){var e=b.workspace.scale,f=b.width,g=b.height;f*=e;g*=e;e=b.getSvgRoot().getBoundingClientRect();f=e.left+f/2;g=e.top+g;e=e.top;d&&(e+=d);Blockly.DropDownDiv.setBoundsElement(b.workspace.getParentSvg().parentNode);return Blockly.DropDownDiv.show(a,f,g,f,e,c)};
+Blockly.DropDownDiv.showPositionedByField=function(a,b,c){var d=a.fieldGroup_.getBoundingClientRect(),e=d.left+d.width/2,f=d.bottom;d=d.top;c&&(d+=c);Blockly.DropDownDiv.positionToField_=!0;Blockly.DropDownDiv.setBoundsElement(a.getSourceBlock().workspace.getParentSvg().parentNode);return Blockly.DropDownDiv.show(a,e,f,e,d,b)};
+Blockly.DropDownDiv.show=function(a,b,c,d,e,f){Blockly.DropDownDiv.owner_=a;Blockly.DropDownDiv.onHide_=f;a=Blockly.DropDownDiv.getPositionMetrics(b,c,d,e);a.arrowVisible?(Blockly.DropDownDiv.arrow_.style.display="",Blockly.DropDownDiv.arrow_.style.transform="translate("+a.arrowX+"px,"+a.arrowY+"px) rotate(45deg)",Blockly.DropDownDiv.arrow_.setAttribute("class",a.arrowAtTop?"blocklyDropDownArrow arrowTop":"blocklyDropDownArrow arrowBottom")):Blockly.DropDownDiv.arrow_.style.display="none";Blockly.DropDownDiv.positionInternal_(a.initialX,
+a.initialY,a.finalX,a.finalY);return a.arrowAtTop};Blockly.DropDownDiv.getBoundsInfo_=function(){var a=Blockly.DropDownDiv.boundsElement_.getBoundingClientRect(),b=Blockly.utils.style.getSize(Blockly.DropDownDiv.boundsElement_);return{left:a.left,right:a.left+b.width,top:a.top,bottom:a.top+b.height,width:b.width,height:b.height}};
+Blockly.DropDownDiv.getPositionMetrics=function(a,b,c,d){var e=Blockly.DropDownDiv.getBoundsInfo_(),f=Blockly.utils.style.getSize(Blockly.DropDownDiv.DIV_);return b+f.height<e.bottom?Blockly.DropDownDiv.getPositionBelowMetrics(a,b,e,f):d-f.height>e.top?Blockly.DropDownDiv.getPositionAboveMetrics(c,d,e,f):b+f.height<document.documentElement.clientHeight?Blockly.DropDownDiv.getPositionBelowMetrics(a,b,e,f):d-f.height>document.documentElement.clientTop?Blockly.DropDownDiv.getPositionAboveMetrics(c,d,
+e,f):Blockly.DropDownDiv.getPositionTopOfPageMetrics(a,e,f)};Blockly.DropDownDiv.getPositionBelowMetrics=function(a,b,c,d){a=Blockly.DropDownDiv.getPositionX(a,c.left,c.right,d.width);return{initialX:a.divX,initialY:b,finalX:a.divX,finalY:b+Blockly.DropDownDiv.PADDING_Y,arrowX:a.arrowX,arrowY:-(Blockly.DropDownDiv.ARROW_SIZE/2+Blockly.DropDownDiv.BORDER_SIZE),arrowAtTop:!0,arrowVisible:!0}};
+Blockly.DropDownDiv.getPositionAboveMetrics=function(a,b,c,d){a=Blockly.DropDownDiv.getPositionX(a,c.left,c.right,d.width);return{initialX:a.divX,initialY:b-d.height,finalX:a.divX,finalY:b-d.height-Blockly.DropDownDiv.PADDING_Y,arrowX:a.arrowX,arrowY:d.height-2*Blockly.DropDownDiv.BORDER_SIZE-Blockly.DropDownDiv.ARROW_SIZE/2,arrowAtTop:!1,arrowVisible:!0}};
+Blockly.DropDownDiv.getPositionTopOfPageMetrics=function(a,b,c){a=Blockly.DropDownDiv.getPositionX(a,b.left,b.right,c.width);return{initialX:a.divX,initialY:0,finalX:a.divX,finalY:0,arrowVisible:!1}};Blockly.DropDownDiv.getPositionX=function(a,b,c,d){var e=a;a=Blockly.utils.math.clamp(b,a-d/2,c-d);e-=Blockly.DropDownDiv.ARROW_SIZE/2;b=Blockly.DropDownDiv.ARROW_HORIZONTAL_PADDING;d=Blockly.utils.math.clamp(b,e-a,d-b-Blockly.DropDownDiv.ARROW_SIZE);return{arrowX:d,divX:a}};
+Blockly.DropDownDiv.isVisible=function(){return!!Blockly.DropDownDiv.owner_};Blockly.DropDownDiv.hideIfOwner=function(a,b){return Blockly.DropDownDiv.owner_===a?(b?Blockly.DropDownDiv.hideWithoutAnimation():Blockly.DropDownDiv.hide(),!0):!1};
+Blockly.DropDownDiv.hide=function(){var a=Blockly.DropDownDiv.DIV_;a.style.transform="translate(0, 0)";a.style.opacity=0;Blockly.DropDownDiv.animateOutTimer_=setTimeout(function(){Blockly.DropDownDiv.hideWithoutAnimation();Blockly.DropDownDiv.onHide_&&(Blockly.DropDownDiv.onHide_(),Blockly.DropDownDiv.onHide_=null)},1E3*Blockly.DropDownDiv.ANIMATION_TIME)};
+Blockly.DropDownDiv.hideWithoutAnimation=function(){if(Blockly.DropDownDiv.isVisible()){Blockly.DropDownDiv.animateOutTimer_&&clearTimeout(Blockly.DropDownDiv.animateOutTimer_);var a=Blockly.DropDownDiv.DIV_;a.style.transform="";a.style.left="";a.style.top="";a.style.opacity=0;a.style.display="none";a.style.backgroundColor=Blockly.DropDownDiv.DEFAULT_DROPDOWN_COLOR;a.style.borderColor=Blockly.DropDownDiv.DEFAULT_DROPDOWN_BORDER_COLOR;Blockly.DropDownDiv.onHide_&&(Blockly.DropDownDiv.onHide_(),Blockly.DropDownDiv.onHide_=
+null);Blockly.DropDownDiv.clearContent();Blockly.DropDownDiv.owner_=null}};Blockly.DropDownDiv.positionInternal_=function(a,b,c,d){a=Math.floor(a);b=Math.floor(b);c=Math.floor(c);d=Math.floor(d);var e=Blockly.DropDownDiv.DIV_;e.style.left=a+"px";e.style.top=b+"px";e.style.display="block";e.style.opacity=1;e.style.transform="translate("+(c-a)+"px,"+(d-b)+"px)"};
+Blockly.DropDownDiv.repositionForWindowResize=function(){if(Blockly.DropDownDiv.owner_){var a=Blockly.DropDownDiv.owner_.getSourceBlock(),b=a.workspace.scale,c=Blockly.DropDownDiv.positionToField_?Blockly.DropDownDiv.owner_.size_.width:a.width,d=Blockly.DropDownDiv.positionToField_?Blockly.DropDownDiv.owner_.size_.height:a.height;c*=b;d*=b;a=Blockly.DropDownDiv.positionToField_?Blockly.DropDownDiv.owner_.fieldGroup_.getBoundingClientRect():a.getSvgRoot().getBoundingClientRect();c=a.left+c/2;d=Blockly.DropDownDiv.getPositionMetrics(c,
+a.top+d,c,a.top);Blockly.DropDownDiv.positionInternal_(d.initialX,d.initialY,d.finalX,d.finalY)}else Blockly.DropDownDiv.hide()};Blockly.Grid=function(a,b){this.gridPattern_=a;this.spacing_=b.spacing;this.length_=b.length;this.line2_=(this.line1_=a.firstChild)&&this.line1_.nextSibling;this.snapToGrid_=b.snap};Blockly.Grid.prototype.scale_=1;Blockly.Grid.prototype.dispose=function(){this.gridPattern_=null};Blockly.Grid.prototype.shouldSnap=function(){return this.snapToGrid_};Blockly.Grid.prototype.getSpacing=function(){return this.spacing_};Blockly.Grid.prototype.getPatternId=function(){return this.gridPattern_.id};
 Blockly.Grid.prototype.update=function(a){this.scale_=a;var b=this.spacing_*a||100;this.gridPattern_.setAttribute("width",b);this.gridPattern_.setAttribute("height",b);b=Math.floor(this.spacing_/2)+.5;var c=b-this.length_/2,d=b+this.length_/2;b*=a;c*=a;d*=a;this.setLineAttributes_(this.line1_,a,c,d,b,b);this.setLineAttributes_(this.line2_,a,b,b,c,d)};
 Blockly.Grid.prototype.setLineAttributes_=function(a,b,c,d,e,f){a&&(a.setAttribute("stroke-width",b),a.setAttribute("x1",c),a.setAttribute("y1",e),a.setAttribute("x2",d),a.setAttribute("y2",f))};Blockly.Grid.prototype.moveTo=function(a,b){this.gridPattern_.setAttribute("x",a);this.gridPattern_.setAttribute("y",b);(Blockly.utils.userAgent.IE||Blockly.utils.userAgent.EDGE)&&this.update(this.scale_)};
 Blockly.Grid.createDom=function(a,b,c){a=Blockly.utils.dom.createSvgElement("pattern",{id:"blocklyGridPattern"+a,patternUnits:"userSpaceOnUse"},c);0<b.length&&0<b.spacing?(Blockly.utils.dom.createSvgElement("line",{stroke:b.colour},a),1<b.length&&Blockly.utils.dom.createSvgElement("line",{stroke:b.colour},a)):Blockly.utils.dom.createSvgElement("line",{},a);return a};Blockly.Options=function(a){var b=!!a.readOnly;if(b)var c=null,d=!1,e=!1,f=!1,g=!1,h=!1,k=!1;else{c=Blockly.Options.parseToolboxTree(a.toolbox||null);d=!(!c||!c.getElementsByTagName("category").length);e=a.trashcan;void 0===e&&(e=d);var l=a.maxTrashcanContents;e?void 0===l&&(l=32):l=0;f=a.collapse;void 0===f&&(f=d);g=a.comments;void 0===g&&(g=d);h=a.disable;void 0===h&&(h=d);k=a.sounds;void 0===k&&(k=!0)}var m=!!a.rtl,n=a.horizontalLayout;void 0===n&&(n=!1);var p=a.toolboxPosition;p="end"===p?!1:
@@ -612,7 +572,19 @@ Infinity;this.maxInstances=a.maxInstances;this.pathToMedia=r;this.hasCategories=
 Blockly.Options.prototype.parentWorkspace=null;Blockly.Options.prototype.setMetrics=null;Blockly.Options.prototype.getMetrics=null;Blockly.Options.parseMoveOptions=function(a,b){var c=a.move||{},d={};d.scrollbars=void 0===c.scrollbars&&void 0===a.scrollbars?b:!!c.scrollbars||!!a.scrollbars;d.wheel=d.scrollbars&&void 0!==c.wheel?!!c.wheel:!1;d.drag=d.scrollbars?void 0===c.drag?!0:!!c.drag:!1;return d};
 Blockly.Options.parseZoomOptions_=function(a){a=a.zoom||{};var b={};b.controls=void 0===a.controls?!1:!!a.controls;b.wheel=void 0===a.wheel?!1:!!a.wheel;b.startScale=void 0===a.startScale?1:Number(a.startScale);b.maxScale=void 0===a.maxScale?3:Number(a.maxScale);b.minScale=void 0===a.minScale?.3:Number(a.minScale);b.scaleSpeed=void 0===a.scaleSpeed?1.2:Number(a.scaleSpeed);return b};
 Blockly.Options.parseGridOptions_=function(a){a=a.grid||{};var b={};b.spacing=Number(a.spacing)||0;b.colour=a.colour||"#888";b.length=Number(a.length)||1;b.snap=0<b.spacing&&!!a.snap;return b};
-Blockly.Options.parseToolboxTree=function(a){if(a){if("string"!=typeof a&&(Blockly.utils.userAgent.IE&&a.outerHTML?a=a.outerHTML:a instanceof Element||(a=null)),"string"==typeof a&&(a=Blockly.Xml.textToDom(a),"xml"!=a.nodeName.toLowerCase()))throw TypeError("Toolbox should be an <xml> document.");}else a=null;return a};Blockly.TouchGesture=function(a,b){Blockly.TouchGesture.superClass_.constructor.call(this,a,b);this.isMultiTouch_=!1;this.cachedPoints_={};this.startDistance_=this.previousScale_=0;this.onStartWrapper_=null};Blockly.utils.object.inherits(Blockly.TouchGesture,Blockly.Gesture);Blockly.TouchGesture.ZOOM_IN_MULTIPLIER=5;Blockly.TouchGesture.ZOOM_OUT_MULTIPLIER=6;
+Blockly.Options.parseToolboxTree=function(a){if(a){if("string"!=typeof a&&(Blockly.utils.userAgent.IE&&a.outerHTML?a=a.outerHTML:a instanceof Element||(a=null)),"string"==typeof a&&(a=Blockly.Xml.textToDom(a),"xml"!=a.nodeName.toLowerCase()))throw TypeError("Toolbox should be an <xml> document.");}else a=null;return a};Blockly.WorkspaceDragSurfaceSvg=function(a){this.container_=a;this.createDom()};Blockly.WorkspaceDragSurfaceSvg.prototype.SVG_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.dragGroup_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.container_=null;
+Blockly.WorkspaceDragSurfaceSvg.prototype.createDom=function(){this.SVG_||(this.SVG_=Blockly.utils.dom.createSvgElement("svg",{xmlns:Blockly.utils.dom.SVG_NS,"xmlns:html":Blockly.utils.dom.HTML_NS,"xmlns:xlink":Blockly.utils.dom.XLINK_NS,version:"1.1","class":"blocklyWsDragSurface blocklyOverflowVisible"},null),this.container_.appendChild(this.SVG_))};
+Blockly.WorkspaceDragSurfaceSvg.prototype.translateSurface=function(a,b){var c=a.toFixed(0),d=b.toFixed(0);this.SVG_.style.display="block";Blockly.utils.dom.setCssTransform(this.SVG_,"translate3d("+c+"px, "+d+"px, 0px)")};Blockly.WorkspaceDragSurfaceSvg.prototype.getSurfaceTranslation=function(){return Blockly.utils.getRelativeXY(this.SVG_)};
+Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide=function(a){if(!a)throw Error("Couldn't clear and hide the drag surface: missing new surface.");var b=this.SVG_.childNodes[0],c=this.SVG_.childNodes[1];if(!(b&&c&&Blockly.utils.dom.hasClass(b,"blocklyBlockCanvas")&&Blockly.utils.dom.hasClass(c,"blocklyBubbleCanvas")))throw Error("Couldn't clear and hide the drag surface. A node was missing.");null!=this.previousSibling_?Blockly.utils.dom.insertAfter(b,this.previousSibling_):a.insertBefore(b,a.firstChild);
+Blockly.utils.dom.insertAfter(c,b);this.SVG_.style.display="none";if(this.SVG_.childNodes.length)throw Error("Drag surface was not cleared.");Blockly.utils.dom.setCssTransform(this.SVG_,"");this.previousSibling_=null};
+Blockly.WorkspaceDragSurfaceSvg.prototype.setContentsAndShow=function(a,b,c,d,e,f){if(this.SVG_.childNodes.length)throw Error("Already dragging a block.");this.previousSibling_=c;a.setAttribute("transform","translate(0, 0) scale("+f+")");b.setAttribute("transform","translate(0, 0) scale("+f+")");this.SVG_.setAttribute("width",d);this.SVG_.setAttribute("height",e);this.SVG_.appendChild(a);this.SVG_.appendChild(b);this.SVG_.style.display="block"};Blockly.blockRendering.rendererMap_={};Blockly.blockRendering.useDebugger=!1;Blockly.blockRendering.register=function(a,b){if(Blockly.blockRendering.rendererMap_[a])throw Error("Renderer has already been registered.");Blockly.blockRendering.rendererMap_[a]=b};Blockly.blockRendering.unregister=function(a){Blockly.blockRendering.rendererMap_[a]?delete Blockly.blockRendering.rendererMap_[a]:console.warn('No renderer mapping for name "'+a+'" found to unregister')};
+Blockly.blockRendering.startDebugger=function(){Blockly.blockRendering.useDebugger=!0};Blockly.blockRendering.stopDebugger=function(){Blockly.blockRendering.useDebugger=!1};Blockly.blockRendering.init=function(a){if(!Blockly.blockRendering.rendererMap_[a])throw Error("Renderer not registered: ",a);var b=function(){b.superClass_.constructor.call(this)};Blockly.utils.object.inherits(b,Blockly.blockRendering.rendererMap_[a]);a=new b;a.init();return a};Blockly.ConnectionDB=function(){this.connections_=[]};Blockly.ConnectionDB.prototype.addConnection=function(a){if(a.inDB_)throw Error("Connection already in database.");if(!a.getSourceBlock().isInFlyout){var b=this.findPositionForConnection_(a);this.connections_.splice(b,0,a);a.inDB_=!0}};
+Blockly.ConnectionDB.prototype.findConnection=function(a){if(!this.connections_.length)return-1;var b=this.findPositionForConnection_(a);if(b>=this.connections_.length)return-1;for(var c=a.y_,d=b;0<=d&&this.connections_[d].y_==c;){if(this.connections_[d]==a)return d;d--}for(;b<this.connections_.length&&this.connections_[b].y_==c;){if(this.connections_[b]==a)return b;b++}return-1};
+Blockly.ConnectionDB.prototype.findPositionForConnection_=function(a){if(!this.connections_.length)return 0;for(var b=0,c=this.connections_.length;b<c;){var d=Math.floor((b+c)/2);if(this.connections_[d].y_<a.y_)b=d+1;else if(this.connections_[d].y_>a.y_)c=d;else{b=d;break}}return b};
+Blockly.ConnectionDB.prototype.removeConnection_=function(a){if(!a.inDB_)throw Error("Connection not in database.");var b=this.findConnection(a);if(-1==b)throw Error("Unable to find connection in connectionDB.");a.inDB_=!1;this.connections_.splice(b,1)};
+Blockly.ConnectionDB.prototype.getNeighbours=function(a,b){function c(a){var c=e-d[a].x_,g=f-d[a].y_;Math.sqrt(c*c+g*g)<=b&&l.push(d[a]);return g<b}for(var d=this.connections_,e=a.x_,f=a.y_,g=0,h=d.length-2,k=h;g<k;)d[k].y_<f?g=k:h=k,k=Math.floor((g+h)/2);var l=[];h=g=k;if(d.length){for(;0<=g&&c(g);)g--;do h++;while(h<d.length&&c(h))}return l};Blockly.ConnectionDB.prototype.isInYRange_=function(a,b,c){return Math.abs(this.connections_[a].y_-b)<=c};
+Blockly.ConnectionDB.prototype.searchForClosest=function(a,b,c){if(!this.connections_.length)return{connection:null,radius:b};var d=a.y_,e=a.x_;a.x_=e+c.x;a.y_=d+c.y;var f=this.findPositionForConnection_(a);c=null;for(var g=b,h,k=f-1;0<=k&&this.isInYRange_(k,a.y_,b);)h=this.connections_[k],a.isConnectionAllowed(h,g)&&(c=h,g=h.distanceFrom(a)),k--;for(;f<this.connections_.length&&this.isInYRange_(f,a.y_,b);)h=this.connections_[f],a.isConnectionAllowed(h,g)&&(c=h,g=h.distanceFrom(a)),f++;a.x_=e;a.y_=
+d;return{connection:c,radius:g}};Blockly.ConnectionDB.init=function(){var a=[];a[Blockly.INPUT_VALUE]=new Blockly.ConnectionDB;a[Blockly.OUTPUT_VALUE]=new Blockly.ConnectionDB;a[Blockly.NEXT_STATEMENT]=new Blockly.ConnectionDB;a[Blockly.PREVIOUS_STATEMENT]=new Blockly.ConnectionDB;return a};Blockly.TouchGesture=function(a,b){Blockly.TouchGesture.superClass_.constructor.call(this,a,b);this.isMultiTouch_=!1;this.cachedPoints_={};this.startDistance_=this.previousScale_=0;this.onStartWrapper_=null};Blockly.utils.object.inherits(Blockly.TouchGesture,Blockly.Gesture);Blockly.TouchGesture.ZOOM_IN_MULTIPLIER=5;Blockly.TouchGesture.ZOOM_OUT_MULTIPLIER=6;
 Blockly.TouchGesture.prototype.doStart=function(a){Blockly.TouchGesture.superClass_.doStart.call(this,a);!this.isEnding_&&Blockly.Touch.isTouchEvent(a)&&this.handleTouchStart(a)};
 Blockly.TouchGesture.prototype.bindMouseEvents=function(a){this.onStartWrapper_=Blockly.bindEventWithChecks_(document,"mousedown",null,this.handleStart.bind(this),!0);this.onMoveWrapper_=Blockly.bindEventWithChecks_(document,"mousemove",null,this.handleMove.bind(this),!0);this.onUpWrapper_=Blockly.bindEventWithChecks_(document,"mouseup",null,this.handleUp.bind(this),!0);a.preventDefault();a.stopPropagation()};
 Blockly.TouchGesture.prototype.handleStart=function(a){!this.isDragging()&&Blockly.Touch.isTouchEvent(a)&&(this.handleTouchStart(a),this.isMultiTouch()&&Blockly.longStop_())};Blockly.TouchGesture.prototype.handleMove=function(a){this.isDragging()?Blockly.Touch.shouldHandleEvent(a)&&Blockly.TouchGesture.superClass_.handleMove.call(this,a):this.isMultiTouch()?(Blockly.Touch.isTouchEvent(a)&&this.handleTouchMove(a),Blockly.longStop_()):Blockly.TouchGesture.superClass_.handleMove.call(this,a)};
@@ -623,12 +595,7 @@ var d=this.startWorkspace_,e=Blockly.utils.mouseToSvg(a,d.getParentSvg(),d.getIn
 Blockly.TouchGesture.prototype.getTouchPoint=function(a){return this.startWorkspace_?new Blockly.utils.Coordinate(a.pageX?a.pageX:a.changedTouches[0].pageX,a.pageY?a.pageY:a.changedTouches[0].pageY):null};Blockly.WorkspaceAudio=function(a){this.parentWorkspace_=a;this.SOUNDS_=Object.create(null)};Blockly.WorkspaceAudio.prototype.lastSound_=null;Blockly.WorkspaceAudio.prototype.dispose=function(){this.SOUNDS_=this.parentWorkspace_=null};
 Blockly.WorkspaceAudio.prototype.load=function(a,b){if(a.length){try{var c=new Blockly.utils.global.Audio}catch(h){return}for(var d,e=0;e<a.length;e++){var f=a[e],g=f.match(/\.(\w+)$/);if(g&&c.canPlayType("audio/"+g[1])){d=new Blockly.utils.global.Audio(f);break}}d&&d.play&&(this.SOUNDS_[b]=d)}};
 Blockly.WorkspaceAudio.prototype.preload=function(){for(var a in this.SOUNDS_){var b=this.SOUNDS_[a];b.volume=.01;var c=b.play();void 0!==c?c.then(b.pause)["catch"](function(){}):b.pause();if(Blockly.utils.userAgent.IPAD||Blockly.utils.userAgent.IPHONE)break}};
-Blockly.WorkspaceAudio.prototype.play=function(a,b){var c=this.SOUNDS_[a];if(c){var d=new Date;null!=this.lastSound_&&d-this.lastSound_<Blockly.SOUND_LIMIT||(this.lastSound_=d,c=Blockly.utils.userAgent.IPAD||Blockly.utils.userAgent.ANDROID?c:c.cloneNode(),c.volume=void 0===b?1:b,c.play())}else this.parentWorkspace_&&this.parentWorkspace_.getAudioManager().play(a,b)};Blockly.WorkspaceDragSurfaceSvg=function(a){this.container_=a;this.createDom()};Blockly.WorkspaceDragSurfaceSvg.prototype.SVG_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.dragGroup_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.container_=null;
-Blockly.WorkspaceDragSurfaceSvg.prototype.createDom=function(){this.SVG_||(this.SVG_=Blockly.utils.dom.createSvgElement("svg",{xmlns:Blockly.utils.dom.SVG_NS,"xmlns:html":Blockly.utils.dom.HTML_NS,"xmlns:xlink":Blockly.utils.dom.XLINK_NS,version:"1.1","class":"blocklyWsDragSurface blocklyOverflowVisible"},null),this.container_.appendChild(this.SVG_))};
-Blockly.WorkspaceDragSurfaceSvg.prototype.translateSurface=function(a,b){var c=a.toFixed(0),d=b.toFixed(0);this.SVG_.style.display="block";Blockly.utils.dom.setCssTransform(this.SVG_,"translate3d("+c+"px, "+d+"px, 0px)")};Blockly.WorkspaceDragSurfaceSvg.prototype.getSurfaceTranslation=function(){return Blockly.utils.getRelativeXY(this.SVG_)};
-Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide=function(a){if(!a)throw Error("Couldn't clear and hide the drag surface: missing new surface.");var b=this.SVG_.childNodes[0],c=this.SVG_.childNodes[1];if(!(b&&c&&Blockly.utils.dom.hasClass(b,"blocklyBlockCanvas")&&Blockly.utils.dom.hasClass(c,"blocklyBubbleCanvas")))throw Error("Couldn't clear and hide the drag surface. A node was missing.");null!=this.previousSibling_?Blockly.utils.dom.insertAfter(b,this.previousSibling_):a.insertBefore(b,a.firstChild);
-Blockly.utils.dom.insertAfter(c,b);this.SVG_.style.display="none";if(this.SVG_.childNodes.length)throw Error("Drag surface was not cleared.");Blockly.utils.dom.setCssTransform(this.SVG_,"");this.previousSibling_=null};
-Blockly.WorkspaceDragSurfaceSvg.prototype.setContentsAndShow=function(a,b,c,d,e,f){if(this.SVG_.childNodes.length)throw Error("Already dragging a block.");this.previousSibling_=c;a.setAttribute("transform","translate(0, 0) scale("+f+")");b.setAttribute("transform","translate(0, 0) scale("+f+")");this.SVG_.setAttribute("width",d);this.SVG_.setAttribute("height",e);this.SVG_.appendChild(a);this.SVG_.appendChild(b);this.SVG_.style.display="block"};
+Blockly.WorkspaceAudio.prototype.play=function(a,b){var c=this.SOUNDS_[a];if(c){var d=new Date;null!=this.lastSound_&&d-this.lastSound_<Blockly.SOUND_LIMIT||(this.lastSound_=d,c=Blockly.utils.userAgent.IPAD||Blockly.utils.userAgent.ANDROID?c:c.cloneNode(),c.volume=void 0===b?1:b,c.play())}else this.parentWorkspace_&&this.parentWorkspace_.getAudioManager().play(a,b)};
 Blockly.WorkspaceSvg=function(a,b,c){Blockly.WorkspaceSvg.superClass_.constructor.call(this,a);this.getMetrics=a.getMetrics||Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_;this.setMetrics=a.setMetrics||Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_;this.connectionDBList=Blockly.ConnectionDB.init();b&&(this.blockDragSurface_=b);c&&(this.workspaceDragSurface_=c);this.useWorkspaceDragSurface_=this.workspaceDragSurface_&&Blockly.utils.is3dSupported();this.highlightedBlocks_=[];this.audioManager_=
 new Blockly.WorkspaceAudio(a.parentWorkspace);this.grid_=this.options.gridPattern?new Blockly.Grid(a.gridPattern,a.gridOptions):null;this.markerSvg_=this.cursorSvg_=null;Blockly.Variables&&Blockly.Variables.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.VARIABLE_CATEGORY_NAME,Blockly.Variables.flyoutCategory);Blockly.VariablesDynamic&&Blockly.VariablesDynamic.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME,Blockly.VariablesDynamic.flyoutCategory);
 Blockly.Procedures&&Blockly.Procedures.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.PROCEDURE_CATEGORY_NAME,Blockly.Procedures.flyoutCategory);this.renderer_=Blockly.blockRendering.init(this.options.renderer||"geras")};Blockly.utils.object.inherits(Blockly.WorkspaceSvg,Blockly.Workspace);Blockly.WorkspaceSvg.prototype.resizeHandlerWrapper_=null;Blockly.WorkspaceSvg.prototype.rendered=!0;Blockly.WorkspaceSvg.prototype.isVisible_=!0;Blockly.WorkspaceSvg.prototype.isFlyout=!1;
@@ -700,49 +667,7 @@ Blockly.WorkspaceSvg.prototype.clear=function(){this.setResizesEnabled(!1);Block
 Blockly.WorkspaceSvg.prototype.removeButtonCallback=function(a){this.flyoutButtonCallbacks_[a]=null};Blockly.WorkspaceSvg.prototype.registerToolboxCategoryCallback=function(a,b){if("function"!=typeof b)throw TypeError("Toolbox category callbacks must be functions.");this.toolboxCategoryCallbacks_[a]=b};Blockly.WorkspaceSvg.prototype.getToolboxCategoryCallback=function(a){return this.toolboxCategoryCallbacks_[a]||null};
 Blockly.WorkspaceSvg.prototype.removeToolboxCategoryCallback=function(a){this.toolboxCategoryCallbacks_[a]=null};Blockly.WorkspaceSvg.prototype.getGesture=function(a){var b="mousedown"==a.type||"touchstart"==a.type||"pointerdown"==a.type,c=this.currentGesture_;return c?b&&c.hasStarted()?(console.warn("Tried to start the same gesture twice."),c.cancel(),null):c:b?this.currentGesture_=new Blockly.TouchGesture(a,this):null};
 Blockly.WorkspaceSvg.prototype.clearGesture=function(){this.currentGesture_=null};Blockly.WorkspaceSvg.prototype.cancelCurrentGesture=function(){this.currentGesture_&&this.currentGesture_.cancel()};Blockly.WorkspaceSvg.prototype.getAudioManager=function(){return this.audioManager_};Blockly.WorkspaceSvg.prototype.getGrid=function(){return this.grid_};
-Blockly.WorkspaceSvg.prototype.refreshTheme=function(){Blockly.WorkspaceSvg.superClass_.refreshTheme.call(this);this.refreshToolboxSelection();this.toolbox_&&this.toolbox_.updateColourFromTheme()};Blockly.Css={};Blockly.Css.injected_=!1;Blockly.Css.register=function(a){if(Blockly.Css.injected_)throw Error("CSS already injected");Array.prototype.push.apply(Blockly.Css.CONTENT,a);a.length=0};
-Blockly.Css.inject=function(a,b){if(!Blockly.Css.injected_){Blockly.Css.injected_=!0;var c=Blockly.Css.CONTENT.join("\n");Blockly.Css.CONTENT.length=0;if(a){var d=b.replace(/[\\/]$/,"");c=c.replace(/<<<PATH>>>/g,d);d=document.createElement("style");c=document.createTextNode(c);d.appendChild(c);document.head.insertBefore(d,document.head.firstChild)}}};Blockly.Css.setCursor=function(a){console.warn("Deprecated call to Blockly.Css.setCursor. See https://github.com/google/blockly/issues/981 for context")};
-Blockly.Css.CONTENT=[".blocklySvg {","background-color: #fff;","outline: none;","overflow: hidden;","position: absolute;","display: block;","}",".blocklyWidgetDiv {","display: none;","position: absolute;","z-index: 99999;","}",".injectionDiv {","height: 100%;","position: relative;","overflow: hidden;","touch-action: none;","}",".blocklyNonSelectable {","user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","}",".blocklyWsDragSurface {","display: none;","position: absolute;","top: 0;",
-"left: 0;","}",".blocklyWsDragSurface.blocklyOverflowVisible {","overflow: visible;","}",".blocklyBlockDragSurface {","display: none;","position: absolute;","top: 0;","left: 0;","right: 0;","bottom: 0;","overflow: visible !important;","z-index: 50;","}",".blocklyBlockCanvas.blocklyCanvasTransitioning,",".blocklyBubbleCanvas.blocklyCanvasTransitioning {","transition: transform .5s;","}",".blocklyTooltipDiv {","background-color: #ffffc7;","border: 1px solid #ddc;","box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);",
-"color: #000;","display: none;","font-family: sans-serif;","font-size: 9pt;","opacity: .9;","padding: 2px;","position: absolute;","z-index: 100000;","}",".blocklyDropDownDiv {","position: fixed;","left: 0;","top: 0;","z-index: 1000;","display: none;","border: 1px solid;","border-radius: 2px;","padding: 4px;","box-shadow: 0px 0px 3px 1px rgba(0,0,0,.3);","}",".blocklyDropDownDiv.focused {","box-shadow: 0px 0px 6px 1px rgba(0,0,0,.3);","}",".blocklyDropDownContent {","max-height: 300px;","overflow: auto;",
-"overflow-x: hidden;","}",".blocklyDropDownArrow {","position: absolute;","left: 0;","top: 0;","width: 16px;","height: 16px;","z-index: -1;","background-color: inherit;","border-color: inherit;","}",".blocklyDropDownButton {","display: inline-block;","float: left;","padding: 0;","margin: 4px;","border-radius: 4px;","outline: none;","border: 1px solid;","transition: box-shadow .1s;","cursor: pointer;","}",".arrowTop {","border-top: 1px solid;","border-left: 1px solid;","border-top-left-radius: 4px;",
-"border-color: inherit;","}",".arrowBottom {","border-bottom: 1px solid;","border-right: 1px solid;","border-bottom-right-radius: 4px;","border-color: inherit;","}",".blocklyResizeSE {","cursor: se-resize;","fill: #aaa;","}",".blocklyResizeSW {","cursor: sw-resize;","fill: #aaa;","}",".blocklyResizeLine {","stroke: #515A5A;","stroke-width: 1;","}",".blocklyHighlightedConnectionPath {","fill: none;","stroke: #fc3;","stroke-width: 4px;","}",".blocklyPathLight {","fill: none;","stroke-linecap: round;",
-"stroke-width: 1;","}",".blocklySelected>.blocklyPath {","stroke: #fc3;","stroke-width: 3px;","}",".blocklySelected>.blocklyPathLight {","display: none;","}",".blocklyDraggable {",'cursor: url("<<<PATH>>>/handopen.cur"), auto;',"cursor: grab;","cursor: -webkit-grab;","}",".blocklyDragging {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDraggable:active {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;",
-"}",".blocklyBlockDragSurface .blocklyDraggable {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging.blocklyDraggingDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyDragging>.blocklyPath,",".blocklyDragging>.blocklyPathLight {","fill-opacity: .8;","stroke-opacity: .8;","}",".blocklyDragging>.blocklyPathDark {","display: none;","}",".blocklyDisabled>.blocklyPath {","fill-opacity: .5;","stroke-opacity: .5;",
-"}",".blocklyDisabled>.blocklyPathLight,",".blocklyDisabled>.blocklyPathDark {","display: none;","}",".blocklyInsertionMarker>.blocklyPath,",".blocklyInsertionMarker>.blocklyPathLight,",".blocklyInsertionMarker>.blocklyPathDark {","fill-opacity: .2;","stroke: none","}",".blocklyReplaceable .blocklyPath {","fill-opacity: .5;","}",".blocklyReplaceable .blocklyPathLight,",".blocklyReplaceable .blocklyPathDark {","display: none;","}",".blocklyText {","cursor: default;","fill: #fff;","font-family: sans-serif;",
-"font-size: 11pt;","}",".blocklyMultilineText {","font-family: monospace;","}",".blocklyNonEditableText>text {","pointer-events: none;","}",".blocklyNonEditableText>rect,",".blocklyEditableText>rect {","fill: #fff;","fill-opacity: .6;","}",".blocklyNonEditableText>text,",".blocklyEditableText>text {","fill: #000;","}",".blocklyEditableText:hover>rect {","stroke: #fff;","stroke-width: 2;","}",".blocklyBubbleText {","fill: #000;","}",".blocklyFlyout {","position: absolute;","z-index: 20;","}",".blocklySvg text, .blocklyBlockDragSurface text {",
-"user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","cursor: inherit;","}",".blocklyHidden {","display: none;","}",".blocklyFieldDropdown:not(.blocklyHidden) {","display: block;","}",".blocklyIconGroup {","cursor: default;","}",".blocklyIconGroup:not(:hover),",".blocklyIconGroupReadonly {","opacity: .6;","}",".blocklyIconShape {","fill: #00f;","stroke: #fff;","stroke-width: 1px;","}",".blocklyIconSymbol {","fill: #fff;","}",".blocklyMinimalBody {","margin: 0;","padding: 0;",
-"}",".blocklyCommentForeignObject {","position: relative;","z-index: 0;","}",".blocklyCommentRect {","fill: #E7DE8E;","stroke: #bcA903;","stroke-width: 1px","}",".blocklyCommentTarget {","fill: transparent;","stroke: #bcA903;","}",".blocklyCommentTargetFocused {","fill: none;","}",".blocklyCommentHandleTarget {","fill: none;","}",".blocklyCommentHandleTargetFocused {","fill: transparent;","}",".blocklyFocused>.blocklyCommentRect {","fill: #B9B272;","stroke: #B9B272;","}",".blocklySelected>.blocklyCommentTarget {",
-"stroke: #fc3;","stroke-width: 3px;","}",".blocklyCommentTextarea {","background-color: #fef49c;","border: 0;","outline: 0;","margin: 0;","padding: 3px;","resize: none;","display: block;","overflow: hidden;","}",".blocklyCommentDeleteIcon {","cursor: pointer;","fill: #000;","display: none","}",".blocklySelected > .blocklyCommentDeleteIcon {","display: block","}",".blocklyDeleteIconShape {","fill: #000;","stroke: #000;","stroke-width: 1px;","}",".blocklyDeleteIconShape.blocklyDeleteIconHighlighted {",
-"stroke: #fc3;","}",".blocklyHtmlInput {","border: none;","border-radius: 4px;","font-family: sans-serif;","height: 100%;","margin: 0;","outline: none;","padding: 0;","width: 100%;","text-align: center;","}",".blocklyHtmlInput::-ms-clear {","display: none;","}",".blocklyMainBackground {","stroke-width: 1;","stroke: #c6c6c6;","}",".blocklyMutatorBackground {","fill: #fff;","stroke: #ddd;","stroke-width: 1;","}",".blocklyFlyoutBackground {","fill: #ddd;","fill-opacity: .8;","}",".blocklyMainWorkspaceScrollbar {",
-"z-index: 20;","}",".blocklyFlyoutScrollbar {","z-index: 30;","}",".blocklyScrollbarHorizontal, .blocklyScrollbarVertical {","position: absolute;","outline: none;","}",".blocklyScrollbarBackground {","opacity: 0;","}",".blocklyScrollbarHandle {","fill: #ccc;","}",".blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyScrollbarHandle:hover {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarHandle {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",
-".blocklyFlyout .blocklyScrollbarHandle:hover {","fill: #aaa;","}",".blocklyInvalidInput {","background: #faa;","}",".blocklyContextMenu {","border-radius: 4px;","max-height: 100%;","}",".blocklyDropdownMenu {","border-radius: 2px;","padding: 0 !important;","}",".blocklyWidgetDiv .blocklyDropdownMenu .goog-menuitem,",".blocklyDropDownDiv .blocklyDropdownMenu .goog-menuitem {","padding-left: 28px;","}",".blocklyWidgetDiv .blocklyDropdownMenu .goog-menuitem.goog-menuitem-rtl,",".blocklyDropDownDiv .blocklyDropdownMenu .goog-menuitem.goog-menuitem-rtl {",
-"padding-left: 5px;","padding-right: 28px;","}",".blocklyVerticalCursor {","stroke-width: 3px;","fill: rgba(255,255,255,.5);","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon,",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-icon {","background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px;","}",".blocklyWidgetDiv .goog-menu {","background: #fff;",
-"border-color: transparent;","border-style: solid;","border-width: 1px;","cursor: default;","font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;","z-index: 20000;","box-shadow: 0px 0px 3px 1px rgba(0,0,0,.3);","}",".blocklyWidgetDiv .goog-menu.focused {","box-shadow: 0px 0px 6px 1px rgba(0,0,0,.3);","}",".blocklyDropDownDiv .goog-menu {","cursor: default;",'font: normal 13px "Helvetica Neue", Helvetica, sans-serif;',
-"outline: none;","z-index: 20000;","}",".blocklyWidgetDiv .goog-menuitem,",".blocklyDropDownDiv .goog-menuitem {","color: #000;","font: normal 13px Arial, sans-serif;","list-style: none;","margin: 0;","min-width: 7em;","border: none;","padding: 6px 15px;","white-space: nowrap;","cursor: pointer;","}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem,",".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem,",".blocklyDropDownDiv .goog-menu-nocheckbox .goog-menuitem,",".blocklyDropDownDiv .goog-menu-noicon .goog-menuitem {",
-"padding-left: 12px;","}",".blocklyWidgetDiv .goog-menuitem-content,",".blocklyDropDownDiv .goog-menuitem-content {","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-content {","color: #000;","}",".blocklyDropDownDiv .goog-menuitem-content {","color: #fff;","}",".blocklyWidgetDiv .goog-menuitem-disabled,",".blocklyDropDownDiv .goog-menuitem-disabled {","cursor: inherit;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content,",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-content {",
-"color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon,",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-icon {","opacity: .3;","filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight,",".blocklyWidgetDiv .goog-menuitem-hover {","background-color: #f1f3f4;","}",".blocklyDropDownDiv .goog-menuitem-highlight,",".blocklyDropDownDiv .goog-menuitem-hover {","background-color: rgba(0,0,0,.2);","}",".blocklyWidgetDiv .goog-menuitem-checkbox,",
-".blocklyWidgetDiv .goog-menuitem-icon,",".blocklyDropDownDiv .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-menuitem-icon {","background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;","width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon,",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {",
-"left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon,",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-checkbox,",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-icon {","position: static;","float: left;","margin-left: -24px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon,",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox,",
-".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {","float: right;","margin-right: -24px;","}"];
-Blockly.DropDownDiv=function(){};Blockly.DropDownDiv.DIV_=null;Blockly.DropDownDiv.boundsElement_=null;Blockly.DropDownDiv.owner_=null;Blockly.DropDownDiv.positionToField_=null;Blockly.DropDownDiv.ARROW_SIZE=16;Blockly.DropDownDiv.BORDER_SIZE=1;Blockly.DropDownDiv.ARROW_HORIZONTAL_PADDING=12;Blockly.DropDownDiv.PADDING_Y=16;Blockly.DropDownDiv.ANIMATION_TIME=.25;Blockly.DropDownDiv.animateOutTimer_=null;Blockly.DropDownDiv.onHide_=0;
-Blockly.DropDownDiv.createDom=function(){if(!Blockly.DropDownDiv.DIV_){var a=document.createElement("div");a.className="blocklyDropDownDiv";document.body.appendChild(a);Blockly.DropDownDiv.DIV_=a;var b=document.createElement("div");b.className="blocklyDropDownContent";a.appendChild(b);Blockly.DropDownDiv.content_=b;b=document.createElement("div");b.className="blocklyDropDownArrow";a.appendChild(b);Blockly.DropDownDiv.arrow_=b;Blockly.DropDownDiv.DIV_.style.opacity=0;Blockly.DropDownDiv.DIV_.style.transition=
-"transform "+Blockly.DropDownDiv.ANIMATION_TIME+"s, opacity "+Blockly.DropDownDiv.ANIMATION_TIME+"s";a.addEventListener("focusin",function(){Blockly.utils.dom.addClass(a,"focused")});a.addEventListener("focusout",function(){Blockly.utils.dom.removeClass(a,"focused")})}};Blockly.DropDownDiv.setBoundsElement=function(a){Blockly.DropDownDiv.boundsElement_=a};Blockly.DropDownDiv.getContentDiv=function(){return Blockly.DropDownDiv.content_};
-Blockly.DropDownDiv.clearContent=function(){Blockly.DropDownDiv.content_.innerHTML="";Blockly.DropDownDiv.content_.style.width=""};Blockly.DropDownDiv.setColour=function(a,b){Blockly.DropDownDiv.DIV_.style.backgroundColor=a;Blockly.DropDownDiv.DIV_.style.borderColor=b};Blockly.DropDownDiv.setCategory=function(a){Blockly.DropDownDiv.DIV_.setAttribute("data-category",a)};
-Blockly.DropDownDiv.showPositionedByBlock=function(a,b,c,d){var e=b.workspace.scale,f=b.width,g=b.height;f*=e;g*=e;e=b.getSvgRoot().getBoundingClientRect();f=e.left+f/2;g=e.top+g;e=e.top;d&&(e+=d);Blockly.DropDownDiv.setBoundsElement(b.workspace.getParentSvg().parentNode);return Blockly.DropDownDiv.show(a,f,g,f,e,c)};
-Blockly.DropDownDiv.showPositionedByField=function(a,b,c){var d=a.fieldGroup_.getBoundingClientRect(),e=d.left+d.width/2,f=d.bottom;d=d.top;c&&(d+=c);Blockly.DropDownDiv.positionToField_=!0;Blockly.DropDownDiv.setBoundsElement(a.getSourceBlock().workspace.getParentSvg().parentNode);return Blockly.DropDownDiv.show(a,e,f,e,d,b)};
-Blockly.DropDownDiv.show=function(a,b,c,d,e,f){Blockly.DropDownDiv.owner_=a;Blockly.DropDownDiv.onHide_=f;a=Blockly.DropDownDiv.getPositionMetrics(b,c,d,e);a.arrowVisible?(Blockly.DropDownDiv.arrow_.style.display="",Blockly.DropDownDiv.arrow_.style.transform="translate("+a.arrowX+"px,"+a.arrowY+"px) rotate(45deg)",Blockly.DropDownDiv.arrow_.setAttribute("class",a.arrowAtTop?"blocklyDropDownArrow arrowTop":"blocklyDropDownArrow arrowBottom")):Blockly.DropDownDiv.arrow_.style.display="none";Blockly.DropDownDiv.positionInternal_(a.initialX,
-a.initialY,a.finalX,a.finalY);return a.arrowAtTop};Blockly.DropDownDiv.getBoundsInfo_=function(){var a=Blockly.DropDownDiv.boundsElement_.getBoundingClientRect(),b=Blockly.utils.style.getSize(Blockly.DropDownDiv.boundsElement_);return{left:a.left,right:a.left+b.width,top:a.top,bottom:a.top+b.height,width:b.width,height:b.height}};
-Blockly.DropDownDiv.getPositionMetrics=function(a,b,c,d){var e=Blockly.DropDownDiv.getBoundsInfo_(),f=Blockly.utils.style.getSize(Blockly.DropDownDiv.DIV_);return b+f.height<e.bottom?Blockly.DropDownDiv.getPositionBelowMetrics(a,b,e,f):d-f.height>e.top?Blockly.DropDownDiv.getPositionAboveMetrics(c,d,e,f):b+f.height<document.documentElement.clientHeight?Blockly.DropDownDiv.getPositionBelowMetrics(a,b,e,f):d-f.height>document.documentElement.clientTop?Blockly.DropDownDiv.getPositionAboveMetrics(c,d,
-e,f):Blockly.DropDownDiv.getPositionTopOfPageMetrics(a,e,f)};Blockly.DropDownDiv.getPositionBelowMetrics=function(a,b,c,d){a=Blockly.DropDownDiv.getPositionX(a,c.left,c.right,d.width);return{initialX:a.divX,initialY:b,finalX:a.divX,finalY:b+Blockly.DropDownDiv.PADDING_Y,arrowX:a.arrowX,arrowY:-(Blockly.DropDownDiv.ARROW_SIZE/2+Blockly.DropDownDiv.BORDER_SIZE),arrowAtTop:!0,arrowVisible:!0}};
-Blockly.DropDownDiv.getPositionAboveMetrics=function(a,b,c,d){a=Blockly.DropDownDiv.getPositionX(a,c.left,c.right,d.width);return{initialX:a.divX,initialY:b-d.height,finalX:a.divX,finalY:b-d.height-Blockly.DropDownDiv.PADDING_Y,arrowX:a.arrowX,arrowY:d.height-2*Blockly.DropDownDiv.BORDER_SIZE-Blockly.DropDownDiv.ARROW_SIZE/2,arrowAtTop:!1,arrowVisible:!0}};
-Blockly.DropDownDiv.getPositionTopOfPageMetrics=function(a,b,c){a=Blockly.DropDownDiv.getPositionX(a,b.left,b.right,c.width);return{initialX:a.divX,initialY:0,finalX:a.divX,finalY:0,arrowVisible:!1}};Blockly.DropDownDiv.getPositionX=function(a,b,c,d){var e=a;a=Blockly.utils.math.clamp(b,a-d/2,c-d);e-=Blockly.DropDownDiv.ARROW_SIZE/2;b=Blockly.DropDownDiv.ARROW_HORIZONTAL_PADDING;d=Blockly.utils.math.clamp(b,e-a,d-b-Blockly.DropDownDiv.ARROW_SIZE);return{arrowX:d,divX:a}};
-Blockly.DropDownDiv.isVisible=function(){return!!Blockly.DropDownDiv.owner_};Blockly.DropDownDiv.hideIfOwner=function(a){return Blockly.DropDownDiv.owner_===a?(Blockly.DropDownDiv.hide(),!0):!1};
-Blockly.DropDownDiv.hide=function(){var a=Blockly.DropDownDiv.DIV_;a.style.transform="translate(0, 0)";a.style.opacity=0;Blockly.DropDownDiv.animateOutTimer_=setTimeout(Blockly.DropDownDiv.hideWithoutAnimation,1E3*Blockly.DropDownDiv.ANIMATION_TIME);Blockly.DropDownDiv.onHide_&&(Blockly.DropDownDiv.onHide_(),Blockly.DropDownDiv.onHide_=null)};
-Blockly.DropDownDiv.hideWithoutAnimation=function(){if(Blockly.DropDownDiv.isVisible()){Blockly.DropDownDiv.animateOutTimer_&&clearTimeout(Blockly.DropDownDiv.animateOutTimer_);var a=Blockly.DropDownDiv.DIV_;a.style.transform="";a.style.left="";a.style.top="";a.style.opacity=0;a.style.display="none";Blockly.DropDownDiv.onHide_&&(Blockly.DropDownDiv.onHide_(),Blockly.DropDownDiv.onHide_=null);Blockly.DropDownDiv.clearContent();Blockly.DropDownDiv.owner_=null}};
-Blockly.DropDownDiv.positionInternal_=function(a,b,c,d){a=Math.floor(a);b=Math.floor(b);c=Math.floor(c);d=Math.floor(d);var e=Blockly.DropDownDiv.DIV_;e.style.left=a+"px";e.style.top=b+"px";e.style.display="block";e.style.opacity=1;e.style.transform="translate("+(c-a)+"px,"+(d-b)+"px)"};
-Blockly.DropDownDiv.repositionForWindowResize=function(){if(Blockly.DropDownDiv.owner_){var a=Blockly.DropDownDiv.owner_.getSourceBlock(),b=a.workspace.scale,c=Blockly.DropDownDiv.positionToField_?Blockly.DropDownDiv.owner_.size_.width:a.width,d=Blockly.DropDownDiv.positionToField_?Blockly.DropDownDiv.owner_.size_.height:a.height;c*=b;d*=b;a=Blockly.DropDownDiv.positionToField_?Blockly.DropDownDiv.owner_.fieldGroup_.getBoundingClientRect():a.getSvgRoot().getBoundingClientRect();c=a.left+c/2;d=Blockly.DropDownDiv.getPositionMetrics(c,
-a.top+d,c,a.top);Blockly.DropDownDiv.positionInternal_(d.initialX,d.initialY,d.finalX,d.finalY)}else Blockly.DropDownDiv.hide()};Blockly.inject=function(a,b){Blockly.checkBlockColourConstants();"string"==typeof a&&(a=document.getElementById(a)||document.querySelector(a));if(!Blockly.utils.dom.containsNode(document,a))throw Error("Error: container is not in current document.");var c=new Blockly.Options(b||{}),d=document.createElement("div");d.className="injectionDiv";a.appendChild(d);var e=Blockly.createDom_(d,c),f=new Blockly.BlockDragSurfaceSvg(d);d=new Blockly.WorkspaceDragSurfaceSvg(d);e=Blockly.createMainWorkspace_(e,c,
+Blockly.WorkspaceSvg.prototype.refreshTheme=function(){Blockly.WorkspaceSvg.superClass_.refreshTheme.call(this);this.refreshToolboxSelection();this.toolbox_&&this.toolbox_.updateColourFromTheme()};Blockly.inject=function(a,b){Blockly.checkBlockColourConstants();"string"==typeof a&&(a=document.getElementById(a)||document.querySelector(a));if(!Blockly.utils.dom.containsNode(document,a))throw Error("Error: container is not in current document.");var c=new Blockly.Options(b||{}),d=document.createElement("div");d.className="injectionDiv";a.appendChild(d);var e=Blockly.createDom_(d,c),f=new Blockly.BlockDragSurfaceSvg(d);d=new Blockly.WorkspaceDragSurfaceSvg(d);e=Blockly.createMainWorkspace_(e,c,
 f,d);Blockly.user.keyMap.setKeyMap(c.keyMap);Blockly.init_(e);Blockly.mainWorkspace=e;Blockly.svgResize(e);return e};
 Blockly.createDom_=function(a,b){a.setAttribute("dir","LTR");Blockly.Component.defaultRightToLeft=b.RTL;Blockly.Css.inject(b.hasCss,b.pathToMedia);var c=Blockly.utils.dom.createSvgElement("svg",{xmlns:Blockly.utils.dom.SVG_NS,"xmlns:html":Blockly.utils.dom.HTML_NS,"xmlns:xlink":Blockly.utils.dom.XLINK_NS,version:"1.1","class":"blocklySvg"},a),d=Blockly.utils.dom.createSvgElement("defs",{},c),e=String(Math.random()).substring(2),f=Blockly.utils.dom.createSvgElement("filter",{id:"blocklyEmbossFilter"+
 e},d);Blockly.utils.dom.createSvgElement("feGaussianBlur",{"in":"SourceAlpha",stdDeviation:1,result:"blur"},f);var g=Blockly.utils.dom.createSvgElement("feSpecularLighting",{"in":"blur",surfaceScale:1,specularConstant:.5,specularExponent:10,"lighting-color":"white",result:"specOut"},f);Blockly.utils.dom.createSvgElement("fePointLight",{x:-5E3,y:-1E4,z:2E4},g);Blockly.utils.dom.createSvgElement("feComposite",{"in":"specOut",in2:"SourceAlpha",operator:"in",result:"specOut"},f);Blockly.utils.dom.createSvgElement("feComposite",
@@ -750,13 +675,101 @@ e},d);Blockly.utils.dom.createSvgElement("feGaussianBlur",{"in":"SourceAlpha",st
 Blockly.createMainWorkspace_=function(a,b,c,d){b.parentWorkspace=null;var e=new Blockly.WorkspaceSvg(b,c,d);e.scale=b.zoomOptions.startScale;a.appendChild(e.createDom("blocklyMainBackground"));!b.hasCategories&&b.languageTree&&(c=e.addFlyout_("svg"),Blockly.utils.dom.insertAfter(c,a));b.hasTrashcan&&e.addTrashcan();b.zoomOptions&&b.zoomOptions.controls&&e.addZoomControls();e.getThemeManager().subscribe(a,"workspace","background-color");e.translate(0,0);Blockly.mainWorkspace=e;b.readOnly||e.isMovable()||
 e.addChangeListener(function(a){if(!e.isDragging()&&!e.isMovable()&&-1!=Blockly.Events.BUMP_EVENTS.indexOf(a.type)){var b=Object.create(null),c=e.getMetrics(),d=e.scale;b.RTL=e.RTL;b.viewLeft=c.viewLeft/d;b.viewTop=c.viewTop/d;b.viewRight=(c.viewLeft+c.viewWidth)/d;b.viewBottom=(c.viewTop+c.viewHeight)/d;e.isContentBounded()?(c=e.getBlocksBoundingBox(),b.contentLeft=c.left,b.contentTop=c.top,b.contentRight=c.right,b.contentBottom=c.bottom):(b.contentLeft=c.contentLeft/d,b.contentTop=c.contentTop/
 d,b.contentRight=(c.contentLeft+c.contentWidth)/d,b.contentBottom=(c.contentTop+c.contentHeight)/d);if(b.contentTop<b.viewTop||b.contentBottom>b.viewBottom||b.contentLeft<b.viewLeft||b.contentRight>b.viewRight){c=null;a&&(c=Blockly.Events.getGroup(),Blockly.Events.setGroup(a.group));switch(a.type){case Blockly.Events.BLOCK_CREATE:case Blockly.Events.BLOCK_MOVE:var f=e.getBlockById(a.blockId);f=f.getRootBlock();break;case Blockly.Events.COMMENT_CREATE:case Blockly.Events.COMMENT_MOVE:f=e.getCommentById(a.commentId)}if(f){d=
-f.getBoundingRectangle();d.height=d.bottom-d.top;d.width=d.right-d.left;var m=b.viewTop,n=b.viewBottom-d.height;n=Math.max(m,n);m=Blockly.utils.math.clamp(m,d.top,n)-d.top;n=b.viewLeft;var p=b.viewRight-d.width;b.RTL?n=Math.min(p,n):p=Math.max(n,p);b=Blockly.utils.math.clamp(n,d.left,p)-d.left;f.moveBy(b,m)}a&&(a.group||console.log("WARNING: Moved object in bounds but there was no event group. This may break undo."),Blockly.Events.setGroup(c))}}});Blockly.svgResize(e);Blockly.WidgetDiv.createDom();
+f.getBoundingRectangle();d.height=d.bottom-d.top;d.width=d.right-d.left;var m=b.viewTop,n=b.viewBottom-d.height;n=Math.max(m,n);m=Blockly.utils.math.clamp(m,d.top,n)-d.top;n=b.viewLeft;var p=b.viewRight-d.width;b.RTL?n=Math.min(p,n):p=Math.max(n,p);b=Blockly.utils.math.clamp(n,d.left,p)-d.left;f.moveBy(b,m)}a&&(a.group||console.log("WARNING: Moved object in bounds but there was no event group. This may break undo."),null!==c&&Blockly.Events.setGroup(c))}}});Blockly.svgResize(e);Blockly.WidgetDiv.createDom();
 Blockly.DropDownDiv.createDom();Blockly.Tooltip.createDom();return e};
 Blockly.init_=function(a){var b=a.options,c=a.getParentSvg();Blockly.bindEventWithChecks_(c.parentNode,"contextmenu",null,function(a){Blockly.utils.isTargetInput(a)||a.preventDefault()});c=Blockly.bindEventWithChecks_(window,"resize",null,function(){Blockly.hideChaff(!0);Blockly.svgResize(a)});a.setResizeHandlerWrapper(c);Blockly.inject.bindDocumentEvents_();b.languageTree&&(a.toolbox_?a.toolbox_.init(a):a.flyout_&&(a.flyout_.init(a),a.flyout_.show(b.languageTree.childNodes),a.flyout_.scrollToStart()));
 c=Blockly.Scrollbar.scrollbarThickness;b.hasTrashcan&&(c=a.trashcan.init(c));b.zoomOptions&&b.zoomOptions.controls&&a.zoomControls_.init(c);b.moveOptions&&b.moveOptions.scrollbars?(a.scrollbar=new Blockly.ScrollbarPair(a),a.scrollbar.resize()):a.setMetrics({x:.5,y:.5});b.hasSounds&&Blockly.inject.loadSounds_(b.pathToMedia,a)};
 Blockly.inject.bindDocumentEvents_=function(){Blockly.documentEventsBound_||(Blockly.bindEventWithChecks_(document,"scroll",null,function(){for(var a=Blockly.Workspace.getAll(),b=0,c;c=a[b];b++)c.updateInverseScreenCTM&&c.updateInverseScreenCTM()}),Blockly.bindEventWithChecks_(document,"keydown",null,Blockly.onKeyDown_),Blockly.bindEvent_(document,"touchend",null,Blockly.longStop_),Blockly.bindEvent_(document,"touchcancel",null,Blockly.longStop_),Blockly.utils.userAgent.IPAD&&Blockly.bindEventWithChecks_(window,
 "orientationchange",document,function(){Blockly.svgResize(Blockly.getMainWorkspace())}));Blockly.documentEventsBound_=!0};
-Blockly.inject.loadSounds_=function(a,b){var c=b.getAudioManager();c.load([a+"click.mp3",a+"click.wav",a+"click.ogg"],"click");c.load([a+"disconnect.wav",a+"disconnect.mp3",a+"disconnect.ogg"],"disconnect");c.load([a+"delete.mp3",a+"delete.ogg",a+"delete.wav"],"delete");var d=[],e=function(){for(;d.length;)Blockly.unbindEvent_(d.pop());c.preload()};d.push(Blockly.bindEventWithChecks_(document,"mousemove",null,e,!0));d.push(Blockly.bindEventWithChecks_(document,"touchstart",null,e,!0))};Blockly.VERSION="2.20190722.0-develop";Blockly.mainWorkspace=null;Blockly.selected=null;Blockly.cursor=null;Blockly.keyboardAccessibilityMode=!1;Blockly.draggingConnections_=[];Blockly.clipboardXml_=null;Blockly.clipboardSource_=null;Blockly.clipboardTypeCounts_=null;Blockly.cache3dSupported_=null;Blockly.svgSize=function(a){return{width:a.cachedWidth_,height:a.cachedHeight_}};Blockly.resizeSvgContents=function(a){a.resizeContents()};
+Blockly.inject.loadSounds_=function(a,b){var c=b.getAudioManager();c.load([a+"click.mp3",a+"click.wav",a+"click.ogg"],"click");c.load([a+"disconnect.wav",a+"disconnect.mp3",a+"disconnect.ogg"],"disconnect");c.load([a+"delete.mp3",a+"delete.ogg",a+"delete.wav"],"delete");var d=[],e=function(){for(;d.length;)Blockly.unbindEvent_(d.pop());c.preload()};d.push(Blockly.bindEventWithChecks_(document,"mousemove",null,e,!0));d.push(Blockly.bindEventWithChecks_(document,"touchstart",null,e,!0))};Blockly.Action=function(a,b){this.name=a;this.desc=b};Blockly.ASTNode=function(a,b,c){if(!b)throw Error("Cannot create a node without a location.");this.type_=a;this.isConnection_=Blockly.ASTNode.isConnectionType_(a);this.location_=b;this.processParams_(c||null)};Blockly.ASTNode.types={FIELD:"field",BLOCK:"block",INPUT:"input",OUTPUT:"output",NEXT:"next",PREVIOUS:"previous",STACK:"stack",WORKSPACE:"workspace"};Blockly.ASTNode.DEFAULT_OFFSET_Y=-20;Blockly.ASTNode.isConnectionType_=function(a){switch(a){case Blockly.ASTNode.types.PREVIOUS:case Blockly.ASTNode.types.NEXT:case Blockly.ASTNode.types.INPUT:case Blockly.ASTNode.types.OUTPUT:return!0}return!1};
+Blockly.ASTNode.createFieldNode=function(a){return new Blockly.ASTNode(Blockly.ASTNode.types.FIELD,a)};
+Blockly.ASTNode.createConnectionNode=function(a){return a?a.type==Blockly.INPUT_VALUE||a.type==Blockly.NEXT_STATEMENT&&a.getParentInput()?Blockly.ASTNode.createInputNode(a.getParentInput()):a.type==Blockly.NEXT_STATEMENT?new Blockly.ASTNode(Blockly.ASTNode.types.NEXT,a):a.type==Blockly.OUTPUT_VALUE?new Blockly.ASTNode(Blockly.ASTNode.types.OUTPUT,a):a.type==Blockly.PREVIOUS_STATEMENT?new Blockly.ASTNode(Blockly.ASTNode.types.PREVIOUS,a):null:null};
+Blockly.ASTNode.createInputNode=function(a){return a?new Blockly.ASTNode(Blockly.ASTNode.types.INPUT,a.connection):null};Blockly.ASTNode.createBlockNode=function(a){return new Blockly.ASTNode(Blockly.ASTNode.types.BLOCK,a)};Blockly.ASTNode.createStackNode=function(a){return new Blockly.ASTNode(Blockly.ASTNode.types.STACK,a)};Blockly.ASTNode.createWorkspaceNode=function(a,b){return new Blockly.ASTNode(Blockly.ASTNode.types.WORKSPACE,a,{wsCoordinate:b})};
+Blockly.ASTNode.prototype.processParams_=function(a){a&&a.wsCoordinate&&(this.wsCoordinate_=a.wsCoordinate)};Blockly.ASTNode.prototype.getLocation=function(){return this.location_};Blockly.ASTNode.prototype.getType=function(){return this.type_};Blockly.ASTNode.prototype.getWsCoordinate=function(){return this.wsCoordinate_};Blockly.ASTNode.prototype.isConnection=function(){return this.isConnection_};
+Blockly.ASTNode.prototype.findPreviousEditableField_=function(a,b,c){b=b.fieldRow;a=b.indexOf(a);for(c=(c?b.length:a)-1;a=b[c];c--)if(a.EDITABLE)return b=a,Blockly.ASTNode.createFieldNode(b);return null};Blockly.ASTNode.prototype.findNextForInput_=function(){var a=this.location_.getParentInput(),b=a.getSourceBlock();a=b.inputList.indexOf(a)+1;for(var c;c=b.inputList[a];a++){for(var d=c.fieldRow,e=0,f;f=d[e];e++)if(f.EDITABLE)return Blockly.ASTNode.createFieldNode(f);if(c.connection)return Blockly.ASTNode.createInputNode(c)}return null};
+Blockly.ASTNode.prototype.findNextForField_=function(){var a=this.location_,b=a.getParentInput(),c=a.getSourceBlock(),d=c.inputList.indexOf(b);for(a=b.fieldRow.indexOf(a)+1;b=c.inputList[d];d++){for(var e=b.fieldRow;a<e.length;){if(e[a].EDITABLE)return Blockly.ASTNode.createFieldNode(e[a]);a++}a=0;if(b.connection)return Blockly.ASTNode.createInputNode(b)}return null};
+Blockly.ASTNode.prototype.findPrevForInput_=function(){for(var a=this.location_.getParentInput(),b=a.getSourceBlock(),c=b.inputList.indexOf(a),d;d=b.inputList[c];c--){if(d.connection&&d!==a)return Blockly.ASTNode.createInputNode(d);d=d.fieldRow;for(var e=d.length-1,f;f=d[e];e--)if(f.EDITABLE)return Blockly.ASTNode.createFieldNode(f)}return null};
+Blockly.ASTNode.prototype.findPrevForField_=function(){var a=this.location_,b=a.getParentInput(),c=a.getSourceBlock(),d=c.inputList.indexOf(b);a=b.fieldRow.indexOf(a)-1;for(var e;e=c.inputList[d];d--){if(e.connection&&e!==b)return Blockly.ASTNode.createInputNode(e);for(e=e.fieldRow;-1<a;){if(e[a].EDITABLE)return Blockly.ASTNode.createFieldNode(e[a]);a--}0<=d-1&&(a=c.inputList[d-1].fieldRow.length-1)}return null};
+Blockly.ASTNode.prototype.navigateBetweenStacks_=function(a){var b=this.getLocation();b instanceof Blockly.Block||(b=b.getSourceBlock());if(!b||!b.workspace)return null;var c=b.getRootBlock();b=c.workspace.getTopBlocks(!0);for(var d=0,e;e=b[d];d++)if(c.id==e.id)return a=d+(a?1:-1),-1==a||a==b.length?null:Blockly.ASTNode.createStackNode(b[a]);throw Error("Couldn't find "+(a?"next":"previous")+" stack?!");};
+Blockly.ASTNode.prototype.findTopASTNodeForBlock_=function(a){var b=a.previousConnection||a.outputConnection;return b?Blockly.ASTNode.createConnectionNode(b):Blockly.ASTNode.createBlockNode(a)};Blockly.ASTNode.prototype.getOutAstNodeForBlock_=function(a){if(!a)return null;a=a.getTopStackBlock();var b=a.previousConnection||a.outputConnection;return b&&b.targetConnection&&b.targetConnection.getParentInput()?Blockly.ASTNode.createInputNode(b.targetConnection.getParentInput()):Blockly.ASTNode.createStackNode(a)};
+Blockly.ASTNode.prototype.findFirstFieldOrInput_=function(a){a=a.inputList;for(var b=0,c;c=a[b];b++){for(var d=c.fieldRow,e=0,f;f=d[e];e++)if(f.EDITABLE)return Blockly.ASTNode.createFieldNode(f);if(c.connection)return Blockly.ASTNode.createInputNode(c)}return null};
+Blockly.ASTNode.prototype.next=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:return this.navigateBetweenStacks_(!0);case Blockly.ASTNode.types.OUTPUT:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());case Blockly.ASTNode.types.FIELD:return this.findNextForField_();case Blockly.ASTNode.types.INPUT:return this.findNextForInput_();case Blockly.ASTNode.types.BLOCK:var a=this.location_.nextConnection;if(a)return Blockly.ASTNode.createConnectionNode(a);break;case Blockly.ASTNode.types.PREVIOUS:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());
+case Blockly.ASTNode.types.NEXT:if(a=this.location_.targetConnection)return Blockly.ASTNode.createConnectionNode(a)}return null};
+Blockly.ASTNode.prototype["in"]=function(){switch(this.type_){case Blockly.ASTNode.types.WORKSPACE:var a=this.location_.getTopBlocks(!0);if(0<a.length)return Blockly.ASTNode.createStackNode(a[0]);break;case Blockly.ASTNode.types.STACK:return this.findTopASTNodeForBlock_(this.location_);case Blockly.ASTNode.types.BLOCK:return this.findFirstFieldOrInput_(this.location_);case Blockly.ASTNode.types.INPUT:if(a=this.location_.targetConnection)return Blockly.ASTNode.createConnectionNode(a)}return null};
+Blockly.ASTNode.prototype.prev=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:return this.navigateBetweenStacks_(!1);case Blockly.ASTNode.types.FIELD:return this.findPrevForField_();case Blockly.ASTNode.types.INPUT:return this.findPrevForInput_();case Blockly.ASTNode.types.BLOCK:var a=this.location_.outputConnection;if(a=this.location_.previousConnection||a)return Blockly.ASTNode.createConnectionNode(a);break;case Blockly.ASTNode.types.PREVIOUS:if((a=this.location_.targetConnection)&&
+!a.getParentInput())return Blockly.ASTNode.createConnectionNode(a);break;case Blockly.ASTNode.types.NEXT:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock())}return null};
+Blockly.ASTNode.prototype.out=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:var a=this.location_.getRelativeToSurfaceXY();a=new Blockly.utils.Coordinate(a.x,a.y+Blockly.ASTNode.DEFAULT_OFFSET_Y);return Blockly.ASTNode.createWorkspaceNode(this.location_.workspace,a);case Blockly.ASTNode.types.OUTPUT:return(a=this.location_.targetConnection)?Blockly.ASTNode.createConnectionNode(a):Blockly.ASTNode.createStackNode(this.location_.getSourceBlock());case Blockly.ASTNode.types.FIELD:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());
+case Blockly.ASTNode.types.INPUT:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());case Blockly.ASTNode.types.BLOCK:return this.getOutAstNodeForBlock_(this.location_);case Blockly.ASTNode.types.PREVIOUS:return this.getOutAstNodeForBlock_(this.location_.getSourceBlock());case Blockly.ASTNode.types.NEXT:return this.getOutAstNodeForBlock_(this.location_.getSourceBlock())}return null};Blockly.utils.KeyCodes={WIN_KEY_FF_LINUX:0,MAC_ENTER:3,BACKSPACE:8,TAB:9,NUM_CENTER:12,ENTER:13,SHIFT:16,CTRL:17,ALT:18,PAUSE:19,CAPS_LOCK:20,ESC:27,SPACE:32,PAGE_UP:33,PAGE_DOWN:34,END:35,HOME:36,LEFT:37,UP:38,RIGHT:39,DOWN:40,PLUS_SIGN:43,PRINT_SCREEN:44,INSERT:45,DELETE:46,ZERO:48,ONE:49,TWO:50,THREE:51,FOUR:52,FIVE:53,SIX:54,SEVEN:55,EIGHT:56,NINE:57,FF_SEMICOLON:59,FF_EQUALS:61,FF_DASH:173,FF_HASH:163,QUESTION_MARK:63,AT_SIGN:64,A:65,B:66,C:67,D:68,E:69,F:70,G:71,H:72,I:73,J:74,K:75,L:76,M:77,
+N:78,O:79,P:80,Q:81,R:82,S:83,T:84,U:85,V:86,W:87,X:88,Y:89,Z:90,META:91,WIN_KEY_RIGHT:92,CONTEXT_MENU:93,NUM_ZERO:96,NUM_ONE:97,NUM_TWO:98,NUM_THREE:99,NUM_FOUR:100,NUM_FIVE:101,NUM_SIX:102,NUM_SEVEN:103,NUM_EIGHT:104,NUM_NINE:105,NUM_MULTIPLY:106,NUM_PLUS:107,NUM_MINUS:109,NUM_PERIOD:110,NUM_DIVISION:111,F1:112,F2:113,F3:114,F4:115,F5:116,F6:117,F7:118,F8:119,F9:120,F10:121,F11:122,F12:123,NUMLOCK:144,SCROLL_LOCK:145,FIRST_MEDIA_KEY:166,LAST_MEDIA_KEY:183,SEMICOLON:186,DASH:189,EQUALS:187,COMMA:188,
+PERIOD:190,SLASH:191,APOSTROPHE:192,TILDE:192,SINGLE_QUOTE:222,OPEN_SQUARE_BRACKET:219,BACKSLASH:220,CLOSE_SQUARE_BRACKET:221,WIN_KEY:224,MAC_FF_META:224,MAC_WK_CMD_LEFT:91,MAC_WK_CMD_RIGHT:93,WIN_IME:229,VK_NONAME:252,PHANTOM:255};Blockly.user={};Blockly.user.keyMap={};Blockly.user.keyMap.map_={};Blockly.user.keyMap.modifierKeys={SHIFT:"Shift",CONTROL:"Control",ALT:"Alt",META:"Meta"};Blockly.user.keyMap.setActionForKey=function(a,b){var c=Blockly.user.keyMap.getKeyByAction(b);c&&delete Blockly.user.keyMap.map_[c];Blockly.user.keyMap.map_[a]=b};Blockly.user.keyMap.setKeyMap=function(a){Blockly.user.keyMap.map_=a};Blockly.user.keyMap.getKeyMap=function(){var a={};Blockly.utils.object.mixin(a,Blockly.user.keyMap.map_);return a};
+Blockly.user.keyMap.getActionByKeyCode=function(a){return Blockly.user.keyMap.map_[a]};Blockly.user.keyMap.getKeyByAction=function(a){for(var b=Object.keys(Blockly.user.keyMap.map_),c=0,d;d=b[c];c++)if(Blockly.user.keyMap.map_[d].name===a.name)return d;return null};Blockly.user.keyMap.serializeKeyEvent=function(a){for(var b=Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys),c="",d=0,e;e=b[d];d++)a.getModifierState(e)&&(c+=e);return c+=a.keyCode};
+Blockly.user.keyMap.createSerializedKey=function(a,b){for(var c="",d=Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys),e=0,f;f=b[e];e++)if(-1<d.indexOf(f))c+=f;else throw Error(f+" is not a valid modifier key.");return c+a};
+Blockly.user.keyMap.createDefaultKeyMap=function(){var a={},b=Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.K,[Blockly.user.keyMap.modifierKeys.CONTROL]);a[Blockly.utils.KeyCodes.W]=Blockly.navigation.ACTION_PREVIOUS;a[Blockly.utils.KeyCodes.A]=Blockly.navigation.ACTION_OUT;a[Blockly.utils.KeyCodes.S]=Blockly.navigation.ACTION_NEXT;a[Blockly.utils.KeyCodes.D]=Blockly.navigation.ACTION_IN;a[Blockly.utils.KeyCodes.I]=Blockly.navigation.ACTION_INSERT;a[Blockly.utils.KeyCodes.ENTER]=
+Blockly.navigation.ACTION_MARK;a[Blockly.utils.KeyCodes.X]=Blockly.navigation.ACTION_DISCONNECT;a[Blockly.utils.KeyCodes.T]=Blockly.navigation.ACTION_TOOLBOX;a[Blockly.utils.KeyCodes.E]=Blockly.navigation.ACTION_EXIT;a[Blockly.utils.KeyCodes.ESC]=Blockly.navigation.ACTION_EXIT;a[b]=Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV;return a};Blockly.navigation={};Blockly.navigation.loggingCallback=null;Blockly.navigation.STATE_FLYOUT=1;Blockly.navigation.STATE_WS=2;Blockly.navigation.STATE_TOOLBOX=3;Blockly.navigation.currentState_=Blockly.navigation.STATE_WS;Blockly.navigation.actionNames={PREVIOUS:"previous",NEXT:"next",IN:"in",OUT:"out",INSERT:"insert",MARK:"mark",DISCONNECT:"disconnect",TOOLBOX:"toolbox",EXIT:"exit",TOGGLE_KEYBOARD_NAV:"toggle_keyboard_nav"};
+Blockly.navigation.focusToolbox_=function(){var a=Blockly.getMainWorkspace(),b=a.getToolbox();b&&(Blockly.navigation.currentState_=Blockly.navigation.STATE_TOOLBOX,Blockly.navigation.resetFlyout_(!1),a.getMarker().getCurNode()||Blockly.navigation.markAtCursor_(),b.selectFirstCategory())};
+Blockly.navigation.focusFlyout_=function(){Blockly.navigation.currentState_=Blockly.navigation.STATE_FLYOUT;var a=Blockly.getMainWorkspace();var b=a.getToolbox();b=b?b.flyout_:a.getFlyout();a.getMarker().getCurNode()||Blockly.navigation.markAtCursor_();b&&b.getWorkspace()&&(a=b.getWorkspace().getTopBlocks(!0),0<a.length&&(a=a[0],a=Blockly.ASTNode.createStackNode(a),Blockly.navigation.getFlyoutCursor_().setCurNode(a)))};
+Blockly.navigation.focusWorkspace_=function(){Blockly.hideChaff();var a=Blockly.getMainWorkspace(),b=a.getCursor(),c=!!a.getToolbox(),d=a.getTopBlocks(!0);Blockly.navigation.resetFlyout_(c);Blockly.navigation.currentState_=Blockly.navigation.STATE_WS;0<d.length?b.setCurNode(Blockly.navigation.getTopNode(d[0])):(c=new Blockly.utils.Coordinate(100,100),a=Blockly.ASTNode.createWorkspaceNode(a,c),b.setCurNode(a))};
+Blockly.navigation.getFlyoutCursor_=function(){var a=Blockly.getMainWorkspace(),b=null;a.rendered&&(b=(a=(b=a.getToolbox())?b.flyout_:a.getFlyout())?a.workspace_.getCursor():null);return b};
+Blockly.navigation.insertFromFlyout=function(){var a=Blockly.getMainWorkspace(),b=a.getFlyout();if(b&&b.isVisible()){var c=Blockly.navigation.getFlyoutCursor_().getCurNode().getLocation();c.isEnabled()?(b=b.createBlock(c),b.render(),b.setConnectionsHidden(!1),a.getCursor().setCurNode(Blockly.ASTNode.createBlockNode(b)),Blockly.navigation.modify_()||Blockly.navigation.warn_("Something went wrong while inserting a block from the flyout."),Blockly.navigation.focusWorkspace_(),a.getCursor().setCurNode(Blockly.navigation.getTopNode(b)),
+Blockly.navigation.removeMark_()):Blockly.navigation.warn_("Can't insert a disabled block.")}else Blockly.navigation.warn_("Trying to insert from the flyout when the flyout does not  exist or is not visible")};Blockly.navigation.resetFlyout_=function(a){Blockly.navigation.getFlyoutCursor_()&&(Blockly.navigation.getFlyoutCursor_().hide(),a&&Blockly.getMainWorkspace().getFlyout().hide())};
+Blockly.navigation.modifyWarn_=function(){var a=Blockly.getMainWorkspace().getMarker().getCurNode(),b=Blockly.getMainWorkspace().getCursor().getCurNode();if(!a)return Blockly.navigation.warn_("Cannot insert with no marked node."),!1;if(!b)return Blockly.navigation.warn_("Cannot insert with no cursor node."),!1;a=a.getType();b=b.getType();return a==Blockly.ASTNode.types.FIELD?(Blockly.navigation.warn_("Should not have been able to mark a field."),!1):a==Blockly.ASTNode.types.BLOCK?(Blockly.navigation.warn_("Should not have been able to mark a block."),
+!1):a==Blockly.ASTNode.types.STACK?(Blockly.navigation.warn_("Should not have been able to mark a stack."),!1):b==Blockly.ASTNode.types.FIELD?(Blockly.navigation.warn_("Cannot attach a field to anything else."),!1):b==Blockly.ASTNode.types.WORKSPACE?(Blockly.navigation.warn_("Cannot attach a workspace to anything else."),!1):!0};
+Blockly.navigation.moveBlockToWorkspace_=function(a,b){if(a.isShadow())return Blockly.navigation.warn_("Cannot move a shadow block to the workspace."),!1;a.getParent()&&a.unplug(!1);a.moveTo(b.getWsCoordinate());return!0};
+Blockly.navigation.modify_=function(){var a=Blockly.getMainWorkspace().getMarker().getCurNode(),b=Blockly.getMainWorkspace().getCursor().getCurNode();if(!Blockly.navigation.modifyWarn_())return!1;var c=a.getType(),d=b.getType(),e=b.getLocation(),f=a.getLocation();if(a.isConnection()&&b.isConnection())return Blockly.navigation.connect_(e,f);if(a.isConnection()&&(d==Blockly.ASTNode.types.BLOCK||d==Blockly.ASTNode.types.STACK))return Blockly.navigation.insertBlock(e,f);if(c==Blockly.ASTNode.types.WORKSPACE)return b=
+Blockly.navigation.getSourceBlock_(b),Blockly.navigation.moveBlockToWorkspace_(b,a);Blockly.navigation.warn_("Unexpected state in Blockly.navigation.modify_.");return!1};Blockly.navigation.disconnectChild_=function(a,b){var c=a.getSourceBlock(),d=b.getSourceBlock();c.getRootBlock()==d.getRootBlock()&&(-1<c.getDescendants(!1).indexOf(d)?Blockly.navigation.getInferiorConnection_(b).disconnect():Blockly.navigation.getInferiorConnection_(a).disconnect())};
+Blockly.navigation.moveAndConnect_=function(a,b){if(!a||!b)return!1;var c=a.getSourceBlock();return b.canConnectWithReason_(a)==Blockly.Connection.CAN_CONNECT?(Blockly.navigation.disconnectChild_(a,b),b.isSuperior()||c.getRootBlock().positionNearConnection(a,b),b.connect(a),!0):!1};Blockly.navigation.getInferiorConnection_=function(a){var b=a.getSourceBlock();return a.isSuperior()?b.previousConnection?b.previousConnection:b.outputConnection?b.outputConnection:null:a};
+Blockly.navigation.getSuperiorConnection_=function(a){return a.isSuperior()?a:a.targetConnection?a.targetConnection:null};
+Blockly.navigation.connect_=function(a,b){if(!a||!b)return!1;var c=Blockly.navigation.getInferiorConnection_(a),d=Blockly.navigation.getSuperiorConnection_(b),e=Blockly.navigation.getSuperiorConnection_(a),f=Blockly.navigation.getInferiorConnection_(b);if(c&&d&&Blockly.navigation.moveAndConnect_(c,d)||e&&f&&Blockly.navigation.moveAndConnect_(e,f)||Blockly.navigation.moveAndConnect_(a,b))return!0;try{b.checkConnection_(a)}catch(g){Blockly.navigation.warn_("Connection failed with error: "+g)}return!1};
+Blockly.navigation.insertBlock=function(a,b){switch(b.type){case Blockly.PREVIOUS_STATEMENT:if(Blockly.navigation.connect_(a.nextConnection,b))return!0;break;case Blockly.NEXT_STATEMENT:if(Blockly.navigation.connect_(a.previousConnection,b))return!0;break;case Blockly.INPUT_VALUE:if(Blockly.navigation.connect_(a.outputConnection,b))return!0;break;case Blockly.OUTPUT_VALUE:for(var c=0;c<a.inputList.length;c++){var d=a.inputList[c].connection;if(d&&d.type===Blockly.INPUT_VALUE&&Blockly.navigation.connect_(d,
+b))return!0}if(a.outputConnection&&Blockly.navigation.connect_(a.outputConnection,b))return!0}Blockly.navigation.warn_("This block can not be inserted at the marked location.");return!1};
+Blockly.navigation.disconnectBlocks_=function(){var a=Blockly.getMainWorkspace(),b=a.getCursor().getCurNode();if(b.isConnection()){var c=b.getLocation();c.isConnected()?(b=c.isSuperior()?c:c.targetConnection,c=c.isSuperior()?c.targetConnection:c,c.getSourceBlock().isShadow()?Blockly.navigation.log_("Cannot disconnect a shadow block"):(b.disconnect(),c.bumpAwayFrom_(b),b.getSourceBlock().getRootBlock().bringToFront(),b=Blockly.ASTNode.createConnectionNode(b),a.getCursor().setCurNode(b))):Blockly.navigation.log_("Cannot disconnect unconnected connection")}else Blockly.navigation.log_("Cannot disconnect blocks when the cursor is not on a connection")};
+Blockly.navigation.markAtCursor_=function(){var a=Blockly.getMainWorkspace();a.getMarker().setCurNode(a.getCursor().getCurNode())};Blockly.navigation.removeMark_=function(){var a=Blockly.getMainWorkspace();a.getMarker().setCurNode(null);a.getMarker().hide()};Blockly.navigation.setState=function(a){Blockly.navigation.currentState_=a};
+Blockly.navigation.getSourceBlock_=function(a){return a?a.getType()===Blockly.ASTNode.types.BLOCK?a.getLocation():a.getType()===Blockly.ASTNode.types.STACK?a.getLocation():a.getType()===Blockly.ASTNode.types.WORKSPACE?null:a.getLocation().getSourceBlock():null};Blockly.navigation.getTopNode=function(a){var b=a.previousConnection||a.outputConnection;return b?Blockly.ASTNode.createConnectionNode(b):Blockly.ASTNode.createBlockNode(a)};
+Blockly.navigation.moveCursorOnBlockDelete=function(a){var b=Blockly.getMainWorkspace();if(b&&(b=b.getCursor())){var c=b.getCurNode();c=Blockly.navigation.getSourceBlock_(c);c===a?c.getParent()?(a=c.previousConnection||c.outputConnection)&&b.setCurNode(Blockly.ASTNode.createConnectionNode(a.targetConnection)):b.setCurNode(Blockly.ASTNode.createWorkspaceNode(c.workspace,c.getRelativeToSurfaceXY())):-1<a.getChildren(!1).indexOf(c)&&b.setCurNode(Blockly.ASTNode.createWorkspaceNode(c.workspace,c.getRelativeToSurfaceXY()))}};
+Blockly.navigation.moveCursorOnBlockMutation=function(a){var b=Blockly.getMainWorkspace().getCursor();if(b){var c=b.getCurNode();c=Blockly.navigation.getSourceBlock_(c);c===a&&b.setCurNode(Blockly.ASTNode.createBlockNode(c))}};Blockly.navigation.enableKeyboardAccessibility=function(){Blockly.keyboardAccessibilityMode||(Blockly.keyboardAccessibilityMode=!0,Blockly.navigation.focusWorkspace_())};
+Blockly.navigation.disableKeyboardAccessibility=function(){if(Blockly.keyboardAccessibilityMode){var a=Blockly.getMainWorkspace();Blockly.keyboardAccessibilityMode=!1;a.getCursor().hide();a.getMarker().hide();Blockly.navigation.getFlyoutCursor_()&&Blockly.navigation.getFlyoutCursor_().hide()}};Blockly.navigation.log_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("log",a):console.log(a)};
+Blockly.navigation.warn_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("warn",a):console.warn(a)};Blockly.navigation.error_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("error",a):console.error(a)};Blockly.navigation.onKeyPress=function(a){a=Blockly.user.keyMap.serializeKeyEvent(a);return(a=Blockly.user.keyMap.getActionByKeyCode(a))?Blockly.navigation.onBlocklyAction(a):!1};
+Blockly.navigation.onBlocklyAction=function(a){var b=Blockly.getMainWorkspace().options.readOnly,c=!1;Blockly.keyboardAccessibilityMode?b?-1<Blockly.navigation.READONLY_ACTION_LIST.indexOf(a)&&(c=Blockly.navigation.handleActions_(a)):c=Blockly.navigation.handleActions_(a):a.name===Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV&&(Blockly.navigation.enableKeyboardAccessibility(),c=!0);return c};
+Blockly.navigation.handleActions_=function(a){var b=Blockly.getMainWorkspace();if(a.name===Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV)return Blockly.navigation.disableKeyboardAccessibility(),!0;if(a.name===Blockly.navigation.actionNames.TOOLBOX)return b.getToolbox()?Blockly.navigation.focusToolbox_():Blockly.navigation.focusFlyout_(),!0;if(Blockly.navigation.currentState_===Blockly.navigation.STATE_WS){b=b.getCursor().getCurNode();var c=!1;b&&b.getType()===Blockly.ASTNode.types.FIELD&&(c=
+b.getLocation().onBlocklyAction(a));c||(c=Blockly.navigation.workspaceOnAction_(a));return c}return Blockly.navigation.currentState_===Blockly.navigation.STATE_FLYOUT?Blockly.navigation.flyoutOnAction_(a):Blockly.navigation.currentState_===Blockly.navigation.STATE_TOOLBOX?Blockly.navigation.toolboxOnAction_(a):!1};
+Blockly.navigation.workspaceOnAction_=function(a){var b=Blockly.getMainWorkspace();switch(a.name){case Blockly.navigation.actionNames.PREVIOUS:return b.getCursor().prev(),!0;case Blockly.navigation.actionNames.OUT:return b.getCursor().out(),!0;case Blockly.navigation.actionNames.NEXT:return b.getCursor().next(),!0;case Blockly.navigation.actionNames.IN:return b.getCursor()["in"](),!0;case Blockly.navigation.actionNames.INSERT:return Blockly.navigation.modify_(),!0;case Blockly.navigation.actionNames.MARK:return Blockly.navigation.handleEnterForWS_(),
+!0;case Blockly.navigation.actionNames.DISCONNECT:return Blockly.navigation.disconnectBlocks_(),!0;default:return!1}};
+Blockly.navigation.flyoutOnAction_=function(a){switch(a.name){case Blockly.navigation.actionNames.PREVIOUS:return Blockly.navigation.getFlyoutCursor_().prev(),!0;case Blockly.navigation.actionNames.OUT:return Blockly.navigation.focusToolbox_(),!0;case Blockly.navigation.actionNames.NEXT:return Blockly.navigation.getFlyoutCursor_().next(),!0;case Blockly.navigation.actionNames.MARK:return Blockly.navigation.insertFromFlyout(),!0;case Blockly.navigation.actionNames.EXIT:return Blockly.navigation.focusWorkspace_(),
+!0;default:return!1}};Blockly.navigation.toolboxOnAction_=function(a){if(a.name===Blockly.navigation.actionNames.EXIT)return Blockly.navigation.focusWorkspace_(),!0;var b=Blockly.getMainWorkspace().getToolbox().onBlocklyAction(a);return b||a.name!==Blockly.navigation.actionNames.IN?b:(Blockly.navigation.focusFlyout_(),!0)};
+Blockly.navigation.handleEnterForWS_=function(){var a=Blockly.getMainWorkspace().getCursor().getCurNode(),b=a.getType();b==Blockly.ASTNode.types.FIELD?a.getLocation().showEditor_():a.isConnection()||b==Blockly.ASTNode.types.WORKSPACE?Blockly.navigation.markAtCursor_():b==Blockly.ASTNode.types.BLOCK?Blockly.navigation.warn_("Cannot mark a block."):b==Blockly.ASTNode.types.STACK&&Blockly.navigation.warn_("Cannot mark a stack.")};
+Blockly.navigation.ACTION_PREVIOUS=new Blockly.Action(Blockly.navigation.actionNames.PREVIOUS,"Go to the previous location.");Blockly.navigation.ACTION_OUT=new Blockly.Action(Blockly.navigation.actionNames.OUT,"Go to the parent of the current location.");Blockly.navigation.ACTION_NEXT=new Blockly.Action(Blockly.navigation.actionNames.NEXT,"Go to the next location.");Blockly.navigation.ACTION_IN=new Blockly.Action(Blockly.navigation.actionNames.IN,"Go to the first child of the current location.");
+Blockly.navigation.ACTION_INSERT=new Blockly.Action(Blockly.navigation.actionNames.INSERT,"Connect the current location to the marked location.");Blockly.navigation.ACTION_MARK=new Blockly.Action(Blockly.navigation.actionNames.MARK,"Mark the current location.");Blockly.navigation.ACTION_DISCONNECT=new Blockly.Action(Blockly.navigation.actionNames.DISCONNECT,"Dicsonnect the block at thecurrent location from its parent.");
+Blockly.navigation.ACTION_TOOLBOX=new Blockly.Action(Blockly.navigation.actionNames.TOOLBOX,"Open the toolbox.");Blockly.navigation.ACTION_EXIT=new Blockly.Action(Blockly.navigation.actionNames.EXIT,"Close the current modal, such as a toolbox or field editor.");Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV=new Blockly.Action(Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV,"Turns on and off keyboard navigation.");
+Blockly.navigation.READONLY_ACTION_LIST=[Blockly.navigation.ACTION_PREVIOUS,Blockly.navigation.ACTION_OUT,Blockly.navigation.ACTION_IN,Blockly.navigation.ACTION_NEXT,Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV];Blockly.Names=function(a,b){this.variablePrefix_=b||"";this.reservedDict_=Object.create(null);if(a)for(var c=a.split(","),d=0;d<c.length;d++)this.reservedDict_[c[d]]=!0;this.reset()};Blockly.Names.DEVELOPER_VARIABLE_TYPE="DEVELOPER_VARIABLE";Blockly.Names.prototype.reset=function(){this.db_=Object.create(null);this.dbReverse_=Object.create(null);this.variableMap_=null};Blockly.Names.prototype.setVariableMap=function(a){this.variableMap_=a};
+Blockly.Names.prototype.getNameForUserVariable_=function(a){return this.variableMap_?(a=this.variableMap_.getVariableById(a))?a.name:null:(console.log("Deprecated call to Blockly.Names.prototype.getName without defining a variable map. To fix, add the folowing code in your generator's init() function:\nBlockly.YourGeneratorName.variableDB_.setVariableMap(workspace.getVariableMap());"),null)};
+Blockly.Names.prototype.getName=function(a,b){if(b==Blockly.Variables.NAME_TYPE){var c=this.getNameForUserVariable_(a);c&&(a=c)}c=a.toLowerCase()+"_"+b;var d=b==Blockly.Variables.NAME_TYPE||b==Blockly.Names.DEVELOPER_VARIABLE_TYPE?this.variablePrefix_:"";if(c in this.db_)return d+this.db_[c];var e=this.getDistinctName(a,b);this.db_[c]=e.substr(d.length);return e};
+Blockly.Names.prototype.getDistinctName=function(a,b){for(var c=this.safeName_(a),d="";this.dbReverse_[c+d]||c+d in this.reservedDict_;)d=d?d+1:2;c+=d;this.dbReverse_[c]=!0;return(b==Blockly.Variables.NAME_TYPE||b==Blockly.Names.DEVELOPER_VARIABLE_TYPE?this.variablePrefix_:"")+c};Blockly.Names.prototype.safeName_=function(a){a?(a=encodeURI(a.replace(/ /g,"_")).replace(/[^\w]/g,"_"),-1!="0123456789".indexOf(a[0])&&(a="my_"+a)):a=Blockly.Msg.UNNAMED_KEY||"unnamed";return a};
+Blockly.Names.equals=function(a,b){return a.toLowerCase()==b.toLowerCase()};Blockly.Procedures={};Blockly.Procedures.NAME_TYPE=Blockly.PROCEDURE_CATEGORY_NAME;Blockly.Procedures.allProcedures=function(a){a=a.getAllBlocks(!1);for(var b=[],c=[],d=0;d<a.length;d++)if(a[d].getProcedureDef){var e=a[d].getProcedureDef();e&&(e[2]?b.push(e):c.push(e))}c.sort(Blockly.Procedures.procTupleComparator_);b.sort(Blockly.Procedures.procTupleComparator_);return[c,b]};Blockly.Procedures.procTupleComparator_=function(a,b){return a[0].toLowerCase().localeCompare(b[0].toLowerCase())};
+Blockly.Procedures.findLegalName=function(a,b){if(b.isInFlyout)return a;for(a=a||Blockly.Msg.UNNAMED_KEY||"unnamed";!Blockly.Procedures.isLegalName_(a,b.workspace,b);){var c=a.match(/^(.*?)(\d+)$/);a=c?c[1]+(parseInt(c[2],10)+1):a+"2"}return a};Blockly.Procedures.isLegalName_=function(a,b,c){return!Blockly.Procedures.isNameUsed(a,b,c)};
+Blockly.Procedures.isNameUsed=function(a,b,c){b=b.getAllBlocks(!1);for(var d=0;d<b.length;d++)if(b[d]!=c&&b[d].getProcedureDef){var e=b[d].getProcedureDef();if(Blockly.Names.equals(e[0],a))return!0}return!1};Blockly.Procedures.rename=function(a){a=a.trim();var b=Blockly.Procedures.findLegalName(a,this.getSourceBlock()),c=this.getValue();if(c!=a&&c!=b){a=this.getSourceBlock().workspace.getAllBlocks(!1);for(var d=0;d<a.length;d++)a[d].renameProcedure&&a[d].renameProcedure(c,b)}return b};
+Blockly.Procedures.flyoutCategory=function(a){function b(a,b){for(var d=0;d<a.length;d++){var e=a[d][0],f=a[d][1],g=Blockly.utils.xml.createElement("block");g.setAttribute("type",b);g.setAttribute("gap",16);var n=Blockly.utils.xml.createElement("mutation");n.setAttribute("name",e);g.appendChild(n);for(e=0;e<f.length;e++){var p=Blockly.utils.xml.createElement("arg");p.setAttribute("name",f[e]);n.appendChild(p)}c.push(g)}}var c=[];if(Blockly.Blocks.procedures_defnoreturn){var d=Blockly.utils.xml.createElement("block");
+d.setAttribute("type","procedures_defnoreturn");d.setAttribute("gap",16);var e=Blockly.utils.xml.createElement("field");e.setAttribute("name","NAME");e.appendChild(Blockly.utils.xml.createTextNode(Blockly.Msg.PROCEDURES_DEFNORETURN_PROCEDURE));d.appendChild(e);c.push(d)}Blockly.Blocks.procedures_defreturn&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","procedures_defreturn"),d.setAttribute("gap",16),e=Blockly.utils.xml.createElement("field"),e.setAttribute("name","NAME"),e.appendChild(Blockly.utils.xml.createTextNode(Blockly.Msg.PROCEDURES_DEFRETURN_PROCEDURE)),
+d.appendChild(e),c.push(d));Blockly.Blocks.procedures_ifreturn&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","procedures_ifreturn"),d.setAttribute("gap",16),c.push(d));c.length&&c[c.length-1].setAttribute("gap",24);a=Blockly.Procedures.allProcedures(a);b(a[0],"procedures_callnoreturn");b(a[1],"procedures_callreturn");return c};
+Blockly.Procedures.getCallers=function(a,b){for(var c=[],d=b.getAllBlocks(!1),e=0;e<d.length;e++)if(d[e].getProcedureCall){var f=d[e].getProcedureCall();f&&Blockly.Names.equals(f,a)&&c.push(d[e])}return c};
+Blockly.Procedures.mutateCallers=function(a){var b=Blockly.Events.recordUndo,c=a.getProcedureDef()[0],d=a.mutationToDom(!0);a=Blockly.Procedures.getCallers(c,a.workspace);c=0;for(var e;e=a[c];c++){var f=e.mutationToDom();f=f&&Blockly.Xml.domToText(f);e.domToMutation(d);var g=e.mutationToDom();g=g&&Blockly.Xml.domToText(g);f!=g&&(Blockly.Events.recordUndo=!1,Blockly.Events.fire(new Blockly.Events.BlockChange(e,"mutation",null,f,g)),Blockly.Events.recordUndo=b)}};
+Blockly.Procedures.getDefinition=function(a,b){for(var c=b.getTopBlocks(!1),d=0;d<c.length;d++)if(c[d].getProcedureDef){var e=c[d].getProcedureDef();if(e&&Blockly.Names.equals(e[0],a))return c[d]}return null};Blockly.VariableModel=function(a,b,c,d){this.workspace=a;this.name=b;this.type=c||"";this.id_=d||Blockly.utils.genUid();Blockly.Events.fire(new Blockly.Events.VarCreate(this))};Blockly.VariableModel.prototype.getId=function(){return this.id_};Blockly.VariableModel.compareByName=function(a,b){var c=a.name.toLowerCase(),d=b.name.toLowerCase();return c<d?-1:c==d?0:1};Blockly.Variables={};Blockly.Variables.NAME_TYPE=Blockly.VARIABLE_CATEGORY_NAME;Blockly.Variables.allUsedVarModels=function(a){var b=a.getAllBlocks(!1);a=Object.create(null);for(var c=0;c<b.length;c++){var d=b[c].getVarModels();if(d)for(var e=0;e<d.length;e++){var f=d[e],g=f.getId();g&&(a[g]=f)}}b=[];for(g in a)b.push(a[g]);return b};Blockly.Variables.allUsedVariables=function(){console.warn("Deprecated call to Blockly.Variables.allUsedVariables. Use Blockly.Variables.allUsedVarModels instead.\nIf this is a major issue please file a bug on GitHub.")};
+Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_={};
+Blockly.Variables.allDeveloperVariables=function(a){a=a.getAllBlocks(!1);for(var b=Object.create(null),c=0,d;d=a[c];c++){var e=d.getDeveloperVariables;!e&&d.getDeveloperVars&&(e=d.getDeveloperVars,Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]||(console.warn("Function getDeveloperVars() deprecated. Use getDeveloperVariables() (block type '"+d.type+"')"),Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]=!0));if(e)for(d=e(),e=0;e<d.length;e++)b[d[e]]=!0}return Object.keys(b)};
+Blockly.Variables.flyoutCategory=function(a){var b=[],c=document.createElement("button");c.setAttribute("text","%{BKY_NEW_VARIABLE}");c.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace())});b.push(c);a=Blockly.Variables.flyoutCategoryBlocks(a);return b=b.concat(a)};
+Blockly.Variables.flyoutCategoryBlocks=function(a){a=a.getVariablesOfType("");var b=[];if(0<a.length){var c=a[a.length-1];if(Blockly.Blocks.variables_set){var d=Blockly.utils.xml.createElement("block");d.setAttribute("type","variables_set");d.setAttribute("gap",Blockly.Blocks.math_change?8:24);d.appendChild(Blockly.Variables.generateVariableFieldDom(c));b.push(d)}Blockly.Blocks.math_change&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","math_change"),d.setAttribute("gap",Blockly.Blocks.variables_get?
+20:8),d.appendChild(Blockly.Variables.generateVariableFieldDom(c)),c=Blockly.Xml.textToDom('<value name="DELTA"><shadow type="math_number"><field name="NUM">1</field></shadow></value>'),d.appendChild(c),b.push(d));if(Blockly.Blocks.variables_get){a.sort(Blockly.VariableModel.compareByName);c=0;for(var e;e=a[c];c++)d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","variables_get"),d.setAttribute("gap",8),d.appendChild(Blockly.Variables.generateVariableFieldDom(e)),b.push(d)}}return b};
+Blockly.Variables.generateUniqueName=function(a){a=a.getAllVariables();var b="";if(a.length)for(var c=1,d=0,e="ijkmnopqrstuvwxyzabcdefgh".charAt(d);!b;){for(var f=!1,g=0;g<a.length;g++)if(a[g].name.toLowerCase()==e){f=!0;break}f?(d++,25==d&&(d=0,c++),e="ijkmnopqrstuvwxyzabcdefgh".charAt(d),1<c&&(e+=c)):b=e}else b="i";return b};
+Blockly.Variables.createVariableButtonHandler=function(a,b,c){var d=c||"",e=function(c){Blockly.Variables.promptName(Blockly.Msg.NEW_VARIABLE_TITLE,c,function(c){if(c){var f=Blockly.Variables.nameUsedWithAnyType_(c,a);if(f){var g=c.toLowerCase();if(f.type==d)var l=Blockly.Msg.VARIABLE_ALREADY_EXISTS.replace("%1",g);else l=Blockly.Msg.VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE,l=l.replace("%1",g).replace("%2",f.type);Blockly.alert(l,function(){e(c)})}else a.createVariable(c,d),b&&b(c)}else b&&b(null)})};
+e("")};Blockly.Variables.createVariable=Blockly.Variables.createVariableButtonHandler;
+Blockly.Variables.renameVariable=function(a,b,c){var d=function(e){var f=Blockly.Msg.RENAME_VARIABLE_TITLE.replace("%1",b.name);Blockly.Variables.promptName(f,e,function(e){if(e){var f=Blockly.Variables.nameUsedWithOtherType_(e,b.type,a);f?(f=Blockly.Msg.VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE.replace("%1",e.toLowerCase()).replace("%2",f.type),Blockly.alert(f,function(){d(e)})):(a.renameVariableById(b.getId(),e),c&&c(e))}else c&&c(null)})};d("")};
+Blockly.Variables.promptName=function(a,b,c){Blockly.prompt(a,b,function(a){a&&(a=a.replace(/[\s\xa0]+/g," ").trim(),a==Blockly.Msg.RENAME_VARIABLE||a==Blockly.Msg.NEW_VARIABLE)&&(a=null);c(a)})};Blockly.Variables.nameUsedWithOtherType_=function(a,b,c){c=c.getVariableMap().getAllVariables();a=a.toLowerCase();for(var d=0,e;e=c[d];d++)if(e.name.toLowerCase()==a&&e.type!=b)return e;return null};
+Blockly.Variables.nameUsedWithAnyType_=function(a,b){var c=b.getVariableMap().getAllVariables();a=a.toLowerCase();for(var d=0,e;e=c[d];d++)if(e.name.toLowerCase()==a)return e;return null};Blockly.Variables.generateVariableFieldDom=function(a){var b=Blockly.utils.xml.createElement("field");b.setAttribute("name","VAR");b.setAttribute("id",a.getId());b.setAttribute("variabletype",a.type);a=Blockly.utils.xml.createTextNode(a.name);b.appendChild(a);return b};
+Blockly.Variables.getOrCreateVariablePackage=function(a,b,c,d){var e=Blockly.Variables.getVariable(a,b,c,d);e||(e=Blockly.Variables.createVariable_(a,b,c,d));return e};Blockly.Variables.getVariable=function(a,b,c,d){var e=a.getPotentialVariableMap();if(b){var f=a.getVariableById(b);!f&&e&&(f=e.getVariableById(b));if(f)return f}if(c){if(void 0==d)throw Error("Tried to look up a variable by name without a type");f=a.getVariable(c,d);!f&&e&&(f=e.getVariable(c,d))}return f};
+Blockly.Variables.createVariable_=function(a,b,c,d){var e=a.getPotentialVariableMap();c||(c=Blockly.Variables.generateUniqueName(a.isFlyout?a.targetWorkspace:a));return e?e.createVariable(c,d,b):a.createVariable(c,d,b)};Blockly.Variables.getAddedVariables=function(a,b){var c=a.getAllVariables(),d=[];if(b.length!=c.length)for(var e=0;e<c.length;e++){var f=c[e];-1==b.indexOf(f)&&d.push(f)}return d};Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=document.createElement("div"),Blockly.WidgetDiv.DIV.className="blocklyWidgetDiv",document.body.appendChild(Blockly.WidgetDiv.DIV))};
+Blockly.WidgetDiv.show=function(a,b,c){Blockly.WidgetDiv.hide();Blockly.WidgetDiv.owner_=a;Blockly.WidgetDiv.dispose_=c;a=Blockly.utils.style.getViewportPageOffset();Blockly.WidgetDiv.DIV.style.top=a.y+"px";Blockly.WidgetDiv.DIV.style.direction=b?"rtl":"ltr";Blockly.WidgetDiv.DIV.style.display="block"};
+Blockly.WidgetDiv.hide=function(){Blockly.WidgetDiv.owner_&&(Blockly.WidgetDiv.owner_=null,Blockly.WidgetDiv.DIV.style.display="none",Blockly.WidgetDiv.DIV.style.left="",Blockly.WidgetDiv.DIV.style.top="",Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_(),Blockly.WidgetDiv.dispose_=null,Blockly.WidgetDiv.DIV.innerHTML="")};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};
+Blockly.WidgetDiv.positionInternal_=function(a,b,c){Blockly.WidgetDiv.DIV.style.left=a+"px";Blockly.WidgetDiv.DIV.style.top=b+"px";Blockly.WidgetDiv.DIV.style.height=c+"px"};Blockly.WidgetDiv.positionWithAnchor=function(a,b,c,d){var e=Blockly.WidgetDiv.calculateY_(a,b,c);a=Blockly.WidgetDiv.calculateX_(a,b,c,d);0>e?Blockly.WidgetDiv.positionInternal_(a,0,c.height+e):Blockly.WidgetDiv.positionInternal_(a,e,c.height)};
+Blockly.WidgetDiv.calculateX_=function(a,b,c,d){if(d)return b=Math.max(b.right-c.width,a.left),Math.min(b,a.right-c.width);b=Math.min(b.left,a.right-c.width);return Math.max(b,a.left)};Blockly.WidgetDiv.calculateY_=function(a,b,c){return b.bottom+c.height>=a.bottom?b.top-c.height:b.bottom};Blockly.VERSION="2.20190722.0-develop";Blockly.mainWorkspace=null;Blockly.selected=null;Blockly.cursor=null;Blockly.keyboardAccessibilityMode=!1;Blockly.draggingConnections_=[];Blockly.clipboardXml_=null;Blockly.clipboardSource_=null;Blockly.clipboardTypeCounts_=null;Blockly.cache3dSupported_=null;Blockly.svgSize=function(a){return{width:a.cachedWidth_,height:a.cachedHeight_}};Blockly.resizeSvgContents=function(a){a.resizeContents()};
 Blockly.svgResize=function(a){for(;a.options.parentWorkspace;)a=a.options.parentWorkspace;var b=a.getParentSvg(),c=b.parentNode;if(c){var d=c.offsetWidth;c=c.offsetHeight;b.cachedWidth_!=d&&(b.setAttribute("width",d+"px"),b.cachedWidth_=d);b.cachedHeight_!=c&&(b.setAttribute("height",c+"px"),b.cachedHeight_=c);a.resize()}};
 Blockly.onKeyDown_=function(a){var b=Blockly.mainWorkspace;if(!(Blockly.utils.isTargetInput(a)||b.rendered&&!b.isVisible()))if(b.options.readOnly)Blockly.navigation.onKeyPress(a);else{var c=!1;if(a.keyCode==Blockly.utils.KeyCodes.ESC)Blockly.hideChaff(),Blockly.navigation.onBlocklyAction(Blockly.navigation.ACTION_EXIT);else{if(Blockly.navigation.onKeyPress(a))return;if(a.keyCode==Blockly.utils.KeyCodes.BACKSPACE||a.keyCode==Blockly.utils.KeyCodes.DELETE){a.preventDefault();if(Blockly.Gesture.inProgress())return;
 Blockly.selected&&Blockly.selected.isDeletable()&&(c=!0)}else if(a.altKey||a.ctrlKey||a.metaKey){if(Blockly.Gesture.inProgress())return;Blockly.selected&&Blockly.selected.isDeletable()&&Blockly.selected.isMovable()&&(a.keyCode==Blockly.utils.KeyCodes.C?(Blockly.hideChaff(),Blockly.copy_(Blockly.selected)):a.keyCode!=Blockly.utils.KeyCodes.X||Blockly.selected.workspace.isFlyout||(Blockly.copy_(Blockly.selected),c=!0));a.keyCode==Blockly.utils.KeyCodes.V?Blockly.clipboardXml_&&(a=Blockly.clipboardSource_,
@@ -821,7 +834,7 @@ Blockly.tree.TreeControl.prototype.detachEvents_=function(){Blockly.unbindEvent_
 Blockly.tree.TreeControl.prototype.handleKeyEvent_=function(a){var b=!1;if(b=this.selectedItem_&&this.selectedItem_.onKeyDown(a)||b)Blockly.utils.style.scrollIntoContainerView(this.selectedItem_.getElement(),this.getElement().parentNode),a.preventDefault();return b};Blockly.tree.TreeControl.prototype.getNodeFromEvent_=function(a){for(var b=a.target;null!=b;){if(a=Blockly.tree.BaseNode.allNodes[b.id])return a;if(b==this.getElement())break;b=b.parentNode}return null};
 Blockly.tree.TreeControl.prototype.createNode=function(a){return new Blockly.tree.TreeNode(this.toolbox_,a||"",this.getConfig())};Blockly.FieldTextInput=function(a,b,c){this.spellcheck_=!0;null==a&&(a="");Blockly.FieldTextInput.superClass_.constructor.call(this,a,b,c)};Blockly.utils.object.inherits(Blockly.FieldTextInput,Blockly.Field);Blockly.FieldTextInput.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldTextInput(b,void 0,a)};Blockly.FieldTextInput.prototype.SERIALIZABLE=!0;Blockly.FieldTextInput.FONTSIZE=11;Blockly.FieldTextInput.BORDERRADIUS=4;
 Blockly.FieldTextInput.prototype.CURSOR="text";Blockly.FieldTextInput.prototype.configure_=function(a){Blockly.FieldTextInput.superClass_.configure_.call(this,a);"boolean"==typeof a.spellcheck&&(this.spellcheck_=a.spellcheck)};Blockly.FieldTextInput.prototype.doClassValidation_=function(a){return null===a||void 0===a?null:String(a)};
-Blockly.FieldTextInput.prototype.doValueInvalid_=function(a){this.isBeingEdited_&&(this.isTextValid_=!1,a=this.value_,this.value_=this.htmlInput_.untypedDefaultValue_,this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name,a,this.value_)))};Blockly.FieldTextInput.prototype.doValueUpdate_=function(a){this.isTextValid_=!0;this.value_=a;this.isBeingEdited_||(this.isDirty_=!0)};
+Blockly.FieldTextInput.prototype.doValueInvalid_=function(a){this.isBeingEdited_&&(this.isTextValid_=!1,a=this.value_,this.value_=this.htmlInput_.untypedDefaultValue_,this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name||null,a,this.value_)))};Blockly.FieldTextInput.prototype.doValueUpdate_=function(a){this.isTextValid_=!0;this.value_=a;this.isBeingEdited_||(this.isDirty_=!0)};
 Blockly.FieldTextInput.prototype.render_=function(){Blockly.FieldTextInput.superClass_.render_.call(this);this.isBeingEdited_&&(this.sourceBlock_.RTL?setTimeout(this.resizeEditor_.bind(this),0):this.resizeEditor_(),this.isTextValid_?(Blockly.utils.dom.removeClass(this.htmlInput_,"blocklyInvalidInput"),Blockly.utils.aria.setState(this.htmlInput_,"invalid",!1)):(Blockly.utils.dom.addClass(this.htmlInput_,"blocklyInvalidInput"),Blockly.utils.aria.setState(this.htmlInput_,"invalid",!0)))};
 Blockly.FieldTextInput.prototype.setSpellcheck=function(a){a!=this.spellcheck_&&(this.spellcheck_=a,this.htmlInput_&&this.htmlInput_.setAttribute("spellcheck",this.spellcheck_))};Blockly.FieldTextInput.prototype.showEditor_=function(a){this.workspace_=this.sourceBlock_.workspace;a=a||!1;!a&&(Blockly.utils.userAgent.MOBILE||Blockly.utils.userAgent.ANDROID||Blockly.utils.userAgent.IPAD)?this.showPromptEditor_():this.showInlineEditor_(a)};
 Blockly.FieldTextInput.prototype.showPromptEditor_=function(){var a=this;Blockly.prompt(Blockly.Msg.CHANGE_VALUE_TITLE,this.getText(),function(b){a.setValue(b)})};Blockly.FieldTextInput.prototype.showInlineEditor_=function(a){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,this.widgetDispose_.bind(this));this.htmlInput_=this.widgetCreate_();this.isBeingEdited_=!0;a||(this.htmlInput_.focus(),this.htmlInput_.select())};
@@ -844,7 +857,7 @@ Blockly.FieldAngle.prototype.hide_=function(){Blockly.DropDownDiv.hideIfOwner(th
 Blockly.FieldAngle.prototype.displayMouseOrKeyboardValue_=function(a){this.round_&&(a=Math.round(a/this.round_)*this.round_);a=this.wrapValue_(a);a!=this.value_&&this.setEditorValue_(a)};
 Blockly.FieldAngle.prototype.updateGraph_=function(){if(this.gauge_){var a=Number(this.getText())+this.offset_,b=Blockly.utils.math.toRadians(a%360);a=["M ",Blockly.FieldAngle.HALF,",",Blockly.FieldAngle.HALF];var c=Blockly.FieldAngle.HALF,d=Blockly.FieldAngle.HALF;if(!isNaN(b)){var e=Number(this.clockwise_),f=Blockly.utils.math.toRadians(this.offset_),g=Math.cos(f)*Blockly.FieldAngle.RADIUS,h=Math.sin(f)*-Blockly.FieldAngle.RADIUS;e&&(b=2*f-b);c+=Math.cos(b)*Blockly.FieldAngle.RADIUS;d-=Math.sin(b)*
 Blockly.FieldAngle.RADIUS;b=Math.abs(Math.floor((b-f)/Math.PI)%2);e&&(b=1-b);a.push(" l ",g,",",h," A ",Blockly.FieldAngle.RADIUS,",",Blockly.FieldAngle.RADIUS," 0 ",b," ",e," ",c,",",d," z")}this.gauge_.setAttribute("d",a.join(""));this.line_.setAttribute("x2",c);this.line_.setAttribute("y2",d)}};
-Blockly.FieldAngle.prototype.onHtmlInputKeyDown_=function(a){Blockly.FieldAngle.superClass_.onHtmlInputKeyDown_.call(this,a);var b;a.keyCode===Blockly.utils.KeyCodes.LEFT?b=this.sourceBlock_.RTL?1:-1:a.keyCode===Blockly.utils.KeyCodes.RIGHT?b=this.sourceBlock_.RTL?-1:1:a.keyCode===Blockly.utils.KeyCodes.DOWN?b=-1:a.keyCode===Blockly.utils.KeyCodes.UP&&(b=1);b&&(this.displayMouseOrKeyboardValue_(this.getValue()+b*this.round_),a.preventDefault(),a.stopPropagation())};
+Blockly.FieldAngle.prototype.onHtmlInputKeyDown_=function(a){Blockly.FieldAngle.superClass_.onHtmlInputKeyDown_.call(this,a);var b;a.keyCode===Blockly.utils.KeyCodes.LEFT?b=this.sourceBlock_.RTL?1:-1:a.keyCode===Blockly.utils.KeyCodes.RIGHT?b=this.sourceBlock_.RTL?-1:1:a.keyCode===Blockly.utils.KeyCodes.DOWN?b=-1:a.keyCode===Blockly.utils.KeyCodes.UP&&(b=1);if(b){var c=this.getValue();this.displayMouseOrKeyboardValue_(c+b*this.round_);a.preventDefault();a.stopPropagation()}};
 Blockly.FieldAngle.prototype.doClassValidation_=function(a){a=Number(a);return isNaN(a)||!isFinite(a)?null:this.wrapValue_(a)};Blockly.FieldAngle.prototype.wrapValue_=function(a){a%=360;0>a&&(a+=360);a>this.wrap_&&(a-=360);return a};Blockly.Css.register(".blocklyAngleCircle {,stroke: #444;,stroke-width: 1;,fill: #ddd;,fill-opacity: .8;,},.blocklyAngleMarks {,stroke: #444;,stroke-width: 1;,},.blocklyAngleGauge {,fill: #f88;,fill-opacity: .8;,pointer-events: none;,},.blocklyAngleLine {,stroke: #f00;,stroke-width: 2;,stroke-linecap: round;,pointer-events: none;,}".split(","));
 Blockly.fieldRegistry.register("field_angle",Blockly.FieldAngle);Blockly.FieldCheckbox=function(a,b,c){this.checkChar_=null;null==a&&(a="FALSE");Blockly.FieldCheckbox.superClass_.constructor.call(this,a,b,c);this.size_.width=Blockly.FieldCheckbox.WIDTH};Blockly.utils.object.inherits(Blockly.FieldCheckbox,Blockly.Field);Blockly.FieldCheckbox.fromJson=function(a){return new Blockly.FieldCheckbox(a.checked,void 0,a)};Blockly.FieldCheckbox.WIDTH=15;Blockly.FieldCheckbox.CHECK_CHAR="\u2713";Blockly.FieldCheckbox.CHECK_X_OFFSET=Blockly.Field.DEFAULT_TEXT_OFFSET-3;
 Blockly.FieldCheckbox.CHECK_Y_OFFSET=14;Blockly.FieldCheckbox.prototype.SERIALIZABLE=!0;Blockly.FieldCheckbox.prototype.CURSOR="default";Blockly.FieldCheckbox.prototype.isDirty_=!1;Blockly.FieldCheckbox.prototype.configure_=function(a){Blockly.FieldCheckbox.superClass_.configure_.call(this,a);a.checkCharacter&&(this.checkChar_=a.checkCharacter)};
@@ -852,11 +865,11 @@ Blockly.FieldCheckbox.prototype.initView=function(){Blockly.FieldCheckbox.superC
 Blockly.FieldCheckbox.prototype.setCheckCharacter=function(a){this.checkChar_=a;this.textContent_&&(this.textContent_.nodeValue=a||Blockly.FieldCheckbox.CHECK_CHAR)};Blockly.FieldCheckbox.prototype.showEditor_=function(){this.setValue(!this.value_)};Blockly.FieldCheckbox.prototype.doClassValidation_=function(a){return!0===a||"TRUE"===a?"TRUE":!1===a||"FALSE"===a?"FALSE":null};
 Blockly.FieldCheckbox.prototype.doValueUpdate_=function(a){this.value_=this.convertValueToBool_(a);this.textElement_&&(this.textElement_.style.display=this.value_?"block":"none")};Blockly.FieldCheckbox.prototype.getValue=function(){return this.value_?"TRUE":"FALSE"};Blockly.FieldCheckbox.prototype.getValueBoolean=function(){return this.value_};Blockly.FieldCheckbox.prototype.getText=function(){return String(this.convertValueToBool_(this.value_))};
 Blockly.FieldCheckbox.prototype.convertValueToBool_=function(a){return"string"==typeof a?"TRUE"==a:!!a};Blockly.fieldRegistry.register("field_checkbox",Blockly.FieldCheckbox);Blockly.FieldColour=function(a,b,c){Blockly.FieldColour.superClass_.constructor.call(this,a||Blockly.FieldColour.COLOURS[0],b,c);this.size_=new Blockly.utils.Size(Blockly.FieldColour.DEFAULT_WIDTH,Blockly.FieldColour.DEFAULT_HEIGHT)};Blockly.utils.object.inherits(Blockly.FieldColour,Blockly.Field);Blockly.FieldColour.fromJson=function(a){return new Blockly.FieldColour(a.colour,void 0,a)};Blockly.FieldColour.DEFAULT_WIDTH=26;Blockly.FieldColour.DEFAULT_HEIGHT=Blockly.Field.BORDER_RECT_DEFAULT_HEIGHT;
-Blockly.FieldColour.prototype.SERIALIZABLE=!0;Blockly.FieldColour.prototype.CURSOR="default";Blockly.FieldColour.prototype.isDirty_=!1;Blockly.FieldColour.prototype.colours_=null;Blockly.FieldColour.prototype.titles_=null;Blockly.FieldColour.prototype.columns_=0;Blockly.FieldColour.prototype.DROPDOWN_BORDER_COLOUR="#dadce0";Blockly.FieldColour.prototype.DROPDOWN_BACKGROUND_COLOUR="white";
-Blockly.FieldColour.prototype.configure_=function(a){Blockly.FieldColour.superClass_.configure_.call(this,a);a.colourOptions&&(this.colours_=a.colourOptions,this.titles_=a.colourTitles);a.columns&&(this.columns_=a.columns)};Blockly.FieldColour.prototype.initView=function(){this.createBorderRect_();this.borderRect_.style.fillOpacity=1;this.borderRect_.style.fill=this.value_};Blockly.FieldColour.prototype.doClassValidation_=function(a){return"string"!=typeof a?null:Blockly.utils.colour.parse(a)};
-Blockly.FieldColour.prototype.doValueUpdate_=function(a){this.value_=a;this.borderRect_&&(this.borderRect_.style.fill=a)};Blockly.FieldColour.prototype.getText=function(){var a=this.value_;/^#(.)\1(.)\2(.)\3$/.test(a)&&(a="#"+a[1]+a[3]+a[5]);return a};Blockly.FieldColour.COLOURS="#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");
-Blockly.FieldColour.TITLES=[];Blockly.FieldColour.COLUMNS=7;Blockly.FieldColour.prototype.setColours=function(a,b){this.colours_=a;b&&(this.titles_=b);return this};Blockly.FieldColour.prototype.setColumns=function(a){this.columns_=a;return this};
-Blockly.FieldColour.prototype.showEditor_=function(){this.picker_=this.dropdownCreate_();Blockly.DropDownDiv.getContentDiv().appendChild(this.picker_);Blockly.DropDownDiv.setColour(this.DROPDOWN_BACKGROUND_COLOUR,this.DROPDOWN_BORDER_COLOUR);Blockly.DropDownDiv.showPositionedByField(this,this.dropdownDispose_.bind(this));this.picker_.focus()};Blockly.FieldColour.prototype.onClick_=function(a){a=(a=a.target)&&a.label;null!==a&&(this.setValue(a),Blockly.DropDownDiv.hideIfOwner(this))};
+Blockly.FieldColour.prototype.SERIALIZABLE=!0;Blockly.FieldColour.prototype.CURSOR="default";Blockly.FieldColour.prototype.isDirty_=!1;Blockly.FieldColour.prototype.colours_=null;Blockly.FieldColour.prototype.titles_=null;Blockly.FieldColour.prototype.columns_=0;Blockly.FieldColour.prototype.configure_=function(a){Blockly.FieldColour.superClass_.configure_.call(this,a);a.colourOptions&&(this.colours_=a.colourOptions,this.titles_=a.colourTitles);a.columns&&(this.columns_=a.columns)};
+Blockly.FieldColour.prototype.initView=function(){this.createBorderRect_();this.borderRect_.style.fillOpacity=1;this.borderRect_.style.fill=this.value_};Blockly.FieldColour.prototype.doClassValidation_=function(a){return"string"!=typeof a?null:Blockly.utils.colour.parse(a)};Blockly.FieldColour.prototype.doValueUpdate_=function(a){this.value_=a;this.borderRect_&&(this.borderRect_.style.fill=a)};
+Blockly.FieldColour.prototype.getText=function(){var a=this.value_;/^#(.)\1(.)\2(.)\3$/.test(a)&&(a="#"+a[1]+a[3]+a[5]);return a};Blockly.FieldColour.COLOURS="#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");
+Blockly.FieldColour.TITLES=[];Blockly.FieldColour.COLUMNS=7;Blockly.FieldColour.prototype.setColours=function(a,b){this.colours_=a;b&&(this.titles_=b);return this};Blockly.FieldColour.prototype.setColumns=function(a){this.columns_=a;return this};Blockly.FieldColour.prototype.showEditor_=function(){this.picker_=this.dropdownCreate_();Blockly.DropDownDiv.getContentDiv().appendChild(this.picker_);Blockly.DropDownDiv.showPositionedByField(this,this.dropdownDispose_.bind(this));this.picker_.focus()};
+Blockly.FieldColour.prototype.onClick_=function(a){a=(a=a.target)&&a.label;null!==a&&(this.setValue(a),Blockly.DropDownDiv.hideIfOwner(this))};
 Blockly.FieldColour.prototype.onKeyDown_=function(a){var b=!1;if(a.keyCode===Blockly.utils.KeyCodes.UP)this.moveHighlightBy_(0,-1),b=!0;else if(a.keyCode===Blockly.utils.KeyCodes.DOWN)this.moveHighlightBy_(0,1),b=!0;else if(a.keyCode===Blockly.utils.KeyCodes.LEFT)this.moveHighlightBy_(-1,0),b=!0;else if(a.keyCode===Blockly.utils.KeyCodes.RIGHT)this.moveHighlightBy_(1,0),b=!0;else if(a.keyCode===Blockly.utils.KeyCodes.ENTER){if(b=this.getHighlighted_())b=b&&b.label,null!==b&&this.setValue(b);Blockly.DropDownDiv.hideWithoutAnimation();
 b=!0}b&&a.stopPropagation()};Blockly.FieldColour.prototype.onBlocklyAction=function(a){if(this.picker_){if(a===Blockly.navigation.ACTION_PREVIOUS)return this.moveHighlightBy_(0,-1),!0;if(a===Blockly.navigation.ACTION_NEXT)return this.moveHighlightBy_(0,1),!0;if(a===Blockly.navigation.ACTION_OUT)return this.moveHighlightBy_(-1,0),!0;if(a===Blockly.navigation.ACTION_IN)return this.moveHighlightBy_(1,0),!0}return Blockly.FieldColour.superClass_.onBlocklyAction.call(this,a)};
 Blockly.FieldColour.prototype.moveHighlightBy_=function(a,b){var c=this.colours_||Blockly.FieldColour.COLOURS,d=this.columns_||Blockly.FieldColour.COLUMNS,e=this.highlightedIndex_%d,f=Math.floor(this.highlightedIndex_/d);e+=a;f+=b;0>a?0>e&&0<f?(e=d-1,f--):0>e&&(e=0):0<a?e>d-1&&f<Math.floor(c.length/d)-1?(e=0,f++):e>d-1&&e--:0>b?0>f&&(f=0):0<b&&f>Math.floor(c.length/d)-1&&(f=Math.floor(c.length/d)-1);this.setHighlightedCell_(this.picker_.childNodes[f].childNodes[e],f*d+e)};
@@ -871,12 +884,10 @@ Blockly.Css.register([".blocklyColourTable {","border-collapse: collapse;","disp
 "border-color: #eee !important;","outline: 1px solid #333;","position: relative;","}"]);Blockly.fieldRegistry.register("field_colour",Blockly.FieldColour);Blockly.FieldDropdown=function(a,b,c){"function"!=typeof a&&Blockly.FieldDropdown.validateOptions_(a);this.menuGenerator_=a;this.generatedOptions_=null;this.selectedIndex_=0;this.trimOptions_();a=this.getOptions(!1)[0];Blockly.FieldDropdown.superClass_.constructor.call(this,a[1],b,c);this.selectedMenuItem_=this.imageElement_=null};Blockly.utils.object.inherits(Blockly.FieldDropdown,Blockly.Field);Blockly.FieldDropdown.fromJson=function(a){return new Blockly.FieldDropdown(a.options,void 0,a)};
 Blockly.FieldDropdown.prototype.SERIALIZABLE=!0;Blockly.FieldDropdown.CHECKMARK_OVERHANG=25;Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH=.45;Blockly.FieldDropdown.IMAGE_Y_OFFSET=5;Blockly.FieldDropdown.IMAGE_Y_PADDING=2*Blockly.FieldDropdown.IMAGE_Y_OFFSET;Blockly.FieldDropdown.ARROW_CHAR=Blockly.utils.userAgent.ANDROID?"\u25bc":"\u25be";Blockly.FieldDropdown.prototype.CURSOR="default";
 Blockly.FieldDropdown.prototype.initView=function(){Blockly.FieldDropdown.superClass_.initView.call(this);this.imageElement_=Blockly.utils.dom.createSvgElement("image",{y:Blockly.FieldDropdown.IMAGE_Y_OFFSET},this.fieldGroup_);this.arrow_=Blockly.utils.dom.createSvgElement("tspan",{},this.textElement_);this.arrow_.appendChild(document.createTextNode(this.sourceBlock_.RTL?Blockly.FieldDropdown.ARROW_CHAR+" ":" "+Blockly.FieldDropdown.ARROW_CHAR));this.sourceBlock_.RTL?this.textElement_.insertBefore(this.arrow_,
-this.textContent_):this.textElement_.appendChild(this.arrow_)};
-Blockly.FieldDropdown.prototype.showEditor_=function(){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,this.widgetDispose_.bind(this));this.menu_=this.widgetCreate_();this.menu_.render(Blockly.WidgetDiv.DIV);Blockly.utils.dom.addClass(this.menu_.getElement(),"blocklyDropdownMenu");this.positionMenu_(this.menu_);this.menu_.focus();this.selectedMenuItem_&&Blockly.utils.style.scrollIntoContainerView(this.selectedMenuItem_.getElement(),this.menu_.getElement())};
-Blockly.FieldDropdown.prototype.widgetCreate_=function(){var a=new Blockly.Menu;a.setRightToLeft(this.sourceBlock_.RTL);a.setRole("listbox");var b=this.getOptions(!1);this.selectedMenuItem_=null;for(var c=0;c<b.length;c++){var d=b[c][0],e=b[c][1];if("object"==typeof d){var f=new Image(d.width,d.height);f.src=d.src;f.alt=d.alt||"";d=f}d=new Blockly.MenuItem(d);d.setRole("option");d.setRightToLeft(this.sourceBlock_.RTL);d.setValue(e);d.setCheckable(!0);a.addChild(d,!0);d.setChecked(e==this.value_);
-e==this.value_&&(this.selectedMenuItem_=d);d.onAction(this.handleMenuActionEvent_,this)}Blockly.utils.aria.setState(a.getElement(),Blockly.utils.aria.State.ACTIVEDESCENDANT,this.selectedMenuItem_?this.selectedMenuItem_.getId():"");return a};Blockly.FieldDropdown.prototype.widgetDispose_=function(){this.menu_.dispose();this.menu_=null};Blockly.FieldDropdown.prototype.handleMenuActionEvent_=function(a){Blockly.WidgetDiv.hideIfOwner(this);this.onItemSelected(this.menu_,a)};
-Blockly.FieldDropdown.prototype.positionMenu_=function(a){var b=Blockly.utils.getViewportBBox(),c=this.getAnchorDimensions_();a=Blockly.utils.uiMenu.getSize(a);var d=Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH*document.documentElement.clientHeight;a.height>d&&(a.height=d);this.sourceBlock_.RTL&&Blockly.utils.uiMenu.adjustBBoxesForRTL(b,c,a);Blockly.WidgetDiv.positionWithAnchor(b,c,a,this.sourceBlock_.RTL)};
-Blockly.FieldDropdown.prototype.getAnchorDimensions_=function(){var a=this.getScaledBBox_();this.sourceBlock_.RTL?a.right+=Blockly.FieldDropdown.CHECKMARK_OVERHANG:a.left-=Blockly.FieldDropdown.CHECKMARK_OVERHANG;return a};Blockly.FieldDropdown.prototype.onItemSelected=function(a,b){this.setValue(b.getValue())};
+this.textContent_):this.textElement_.appendChild(this.arrow_)};Blockly.FieldDropdown.prototype.showEditor_=function(){this.menu_=this.dropdownCreate_();this.menu_.render(Blockly.DropDownDiv.getContentDiv());Blockly.utils.dom.addClass(this.menu_.getElement(),"blocklyDropdownMenu");Blockly.DropDownDiv.showPositionedByField(this,this.dropdownDispose_.bind(this));this.menu_.focus();this.selectedMenuItem_&&Blockly.utils.style.scrollIntoContainerView(this.selectedMenuItem_.getElement(),this.menu_.getElement())};
+Blockly.FieldDropdown.prototype.dropdownCreate_=function(){var a=new Blockly.Menu;a.setRightToLeft(this.sourceBlock_.RTL);a.setRole("listbox");var b=this.getOptions(!1);this.selectedMenuItem_=null;for(var c=0;c<b.length;c++){var d=b[c][0],e=b[c][1];if("object"==typeof d){var f=new Image(d.width,d.height);f.src=d.src;f.alt=d.alt||"";d=f}d=new Blockly.MenuItem(d);d.setRole("option");d.setRightToLeft(this.sourceBlock_.RTL);d.setValue(e);d.setCheckable(!0);a.addChild(d,!0);d.setChecked(e==this.value_);
+e==this.value_&&(this.selectedMenuItem_=d);d.onAction(this.handleMenuActionEvent_,this)}Blockly.utils.aria.setState(a.getElement(),Blockly.utils.aria.State.ACTIVEDESCENDANT,this.selectedMenuItem_?this.selectedMenuItem_.getId():"");return a};Blockly.FieldDropdown.prototype.dropdownDispose_=function(){this.menu_.dispose();this.menu_=null};Blockly.FieldDropdown.prototype.handleMenuActionEvent_=function(a){Blockly.DropDownDiv.hideIfOwner(this,!0);this.onItemSelected(this.menu_,a)};
+Blockly.FieldDropdown.prototype.onItemSelected=function(a,b){this.setValue(b.getValue())};
 Blockly.FieldDropdown.prototype.trimOptions_=function(){this.suffixField=this.prefixField=null;var a=this.menuGenerator_;if(Array.isArray(a)){for(var b=!1,c=0;c<a.length;c++){var d=a[c][0];"string"==typeof d?a[c][0]=Blockly.utils.replaceMessageReferences(d):(null!=d.alt&&(a[c][0].alt=Blockly.utils.replaceMessageReferences(d.alt)),b=!0)}if(!(b||2>a.length)){b=[];for(c=0;c<a.length;c++)b.push(a[c][0]);c=Blockly.utils.string.shortestStringLength(b);d=Blockly.utils.string.commonWordPrefix(b,c);var e=
 Blockly.utils.string.commonWordSuffix(b,c);!d&&!e||c<=d+e||(d&&(this.prefixField=b[0].substring(0,d-1)),e&&(this.suffixField=b[0].substr(1-e)),this.menuGenerator_=Blockly.FieldDropdown.applyTrim_(a,d,e))}}};Blockly.FieldDropdown.applyTrim_=function(a,b,c){for(var d=[],e=0;e<a.length;e++){var f=a[e][0],g=a[e][1];f=f.substring(b,f.length-c);d[e]=[f,g]}return d};Blockly.FieldDropdown.prototype.isOptionListDynamic=function(){return"function"==typeof this.menuGenerator_};
 Blockly.FieldDropdown.prototype.getOptions=function(a){return this.isOptionListDynamic()?(this.generatedOptions_&&a||(this.generatedOptions_=this.menuGenerator_.call(this),Blockly.FieldDropdown.validateOptions_(this.generatedOptions_)),this.generatedOptions_):this.menuGenerator_};
@@ -909,31 +920,19 @@ Blockly.FieldNumber.prototype.configure_=function(a){Blockly.FieldNumber.superCl
 Blockly.FieldNumber.prototype.setMinInternal_=function(a){a=Number(a);isNaN(a)||(this.min_=a)};Blockly.FieldNumber.prototype.getMin=function(){return this.min_};Blockly.FieldNumber.prototype.setMax=function(a){this.setMaxInternal_(a);this.setValue(this.getValue())};Blockly.FieldNumber.prototype.setMaxInternal_=function(a){a=Number(a);isNaN(a)||(this.max_=a)};Blockly.FieldNumber.prototype.getMax=function(){return this.max_};
 Blockly.FieldNumber.prototype.setPrecision=function(a){this.setPrecisionInternal_(a);this.setValue(this.getValue())};Blockly.FieldNumber.prototype.setPrecisionInternal_=function(a){a=Number(a);isNaN(a)||(this.precision_=a);var b=this.precision_.toString(),c=b.indexOf(".");this.decimalPlaces_=-1==c?a?0:null:b.length-c-1};Blockly.FieldNumber.prototype.getPrecision=function(){return this.precision_};
 Blockly.FieldNumber.prototype.doClassValidation_=function(a){if(null===a)return null;a=String(a);a=a.replace(/O/ig,"0");a=a.replace(/,/g,"");a=Number(a||0);if(isNaN(a))return null;a=Math.min(Math.max(a,this.min_),this.max_);this.precision_&&isFinite(a)&&(a=Math.round(a/this.precision_)*this.precision_);null!=this.decimalPlaces_&&(a=Number(a.toFixed(this.decimalPlaces_)));return a};
-Blockly.FieldNumber.prototype.widgetCreate_=function(){var a=Blockly.FieldNumber.superClass_.widgetCreate_.call(this);-Infinity<this.min_&&Blockly.utils.aria.setState(a,Blockly.utils.aria.State.VALUEMIN,this.min_);Infinity>this.max_&&Blockly.utils.aria.setState(a,Blockly.utils.aria.State.VALUEMAX,this.max_);return a};Blockly.fieldRegistry.register("field_number",Blockly.FieldNumber);Blockly.VariableModel=function(a,b,c,d){this.workspace=a;this.name=b;this.type=c||"";this.id_=d||Blockly.utils.genUid();Blockly.Events.fire(new Blockly.Events.VarCreate(this))};Blockly.VariableModel.prototype.getId=function(){return this.id_};Blockly.VariableModel.compareByName=function(a,b){var c=a.name.toLowerCase(),d=b.name.toLowerCase();return c<d?-1:c==d?0:1};Blockly.Variables={};Blockly.Variables.NAME_TYPE=Blockly.VARIABLE_CATEGORY_NAME;Blockly.Variables.allUsedVarModels=function(a){var b=a.getAllBlocks(!1);a=Object.create(null);for(var c=0;c<b.length;c++){var d=b[c].getVarModels();if(d)for(var e=0;e<d.length;e++){var f=d[e],g=f.getId();g&&(a[g]=f)}}b=[];for(g in a)b.push(a[g]);return b};Blockly.Variables.allUsedVariables=function(){console.warn("Deprecated call to Blockly.Variables.allUsedVariables. Use Blockly.Variables.allUsedVarModels instead.\nIf this is a major issue please file a bug on GitHub.")};
-Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_={};
-Blockly.Variables.allDeveloperVariables=function(a){a=a.getAllBlocks(!1);for(var b=Object.create(null),c=0,d;d=a[c];c++){var e=d.getDeveloperVariables;!e&&d.getDeveloperVars&&(e=d.getDeveloperVars,Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]||(console.warn("Function getDeveloperVars() deprecated. Use getDeveloperVariables() (block type '"+d.type+"')"),Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]=!0));if(e)for(d=e(),e=0;e<d.length;e++)b[d[e]]=!0}return Object.keys(b)};
-Blockly.Variables.flyoutCategory=function(a){var b=[],c=document.createElement("button");c.setAttribute("text","%{BKY_NEW_VARIABLE}");c.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace())});b.push(c);a=Blockly.Variables.flyoutCategoryBlocks(a);return b=b.concat(a)};
-Blockly.Variables.flyoutCategoryBlocks=function(a){a=a.getVariablesOfType("");var b=[];if(0<a.length){var c=a[a.length-1];if(Blockly.Blocks.variables_set){var d=Blockly.utils.xml.createElement("block");d.setAttribute("type","variables_set");d.setAttribute("gap",Blockly.Blocks.math_change?8:24);d.appendChild(Blockly.Variables.generateVariableFieldDom(c));b.push(d)}Blockly.Blocks.math_change&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","math_change"),d.setAttribute("gap",Blockly.Blocks.variables_get?
-20:8),d.appendChild(Blockly.Variables.generateVariableFieldDom(c)),c=Blockly.Xml.textToDom('<value name="DELTA"><shadow type="math_number"><field name="NUM">1</field></shadow></value>'),d.appendChild(c),b.push(d));if(Blockly.Blocks.variables_get){a.sort(Blockly.VariableModel.compareByName);c=0;for(var e;e=a[c];c++)d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","variables_get"),d.setAttribute("gap",8),d.appendChild(Blockly.Variables.generateVariableFieldDom(e)),b.push(d)}}return b};
-Blockly.Variables.generateUniqueName=function(a){a=a.getAllVariables();var b="";if(a.length)for(var c=1,d=0,e="ijkmnopqrstuvwxyzabcdefgh".charAt(d);!b;){for(var f=!1,g=0;g<a.length;g++)if(a[g].name.toLowerCase()==e){f=!0;break}f?(d++,25==d&&(d=0,c++),e="ijkmnopqrstuvwxyzabcdefgh".charAt(d),1<c&&(e+=c)):b=e}else b="i";return b};
-Blockly.Variables.createVariableButtonHandler=function(a,b,c){var d=c||"",e=function(c){Blockly.Variables.promptName(Blockly.Msg.NEW_VARIABLE_TITLE,c,function(c){if(c){var f=Blockly.Variables.nameUsedWithAnyType_(c,a);if(f){var g=c.toLowerCase();if(f.type==d)var l=Blockly.Msg.VARIABLE_ALREADY_EXISTS.replace("%1",g);else l=Blockly.Msg.VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE,l=l.replace("%1",g).replace("%2",f.type);Blockly.alert(l,function(){e(c)})}else a.createVariable(c,d),b&&b(c)}else b&&b(null)})};
-e("")};Blockly.Variables.createVariable=Blockly.Variables.createVariableButtonHandler;
-Blockly.Variables.renameVariable=function(a,b,c){var d=function(e){var f=Blockly.Msg.RENAME_VARIABLE_TITLE.replace("%1",b.name);Blockly.Variables.promptName(f,e,function(e){if(e){var f=Blockly.Variables.nameUsedWithOtherType_(e,b.type,a);f?(f=Blockly.Msg.VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE.replace("%1",e.toLowerCase()).replace("%2",f.type),Blockly.alert(f,function(){d(e)})):(a.renameVariableById(b.getId(),e),c&&c(e))}else c&&c(null)})};d("")};
-Blockly.Variables.promptName=function(a,b,c){Blockly.prompt(a,b,function(a){a&&(a=a.replace(/[\s\xa0]+/g," ").trim(),a==Blockly.Msg.RENAME_VARIABLE||a==Blockly.Msg.NEW_VARIABLE)&&(a=null);c(a)})};Blockly.Variables.nameUsedWithOtherType_=function(a,b,c){c=c.getVariableMap().getAllVariables();a=a.toLowerCase();for(var d=0,e;e=c[d];d++)if(e.name.toLowerCase()==a&&e.type!=b)return e;return null};
-Blockly.Variables.nameUsedWithAnyType_=function(a,b){var c=b.getVariableMap().getAllVariables();a=a.toLowerCase();for(var d=0,e;e=c[d];d++)if(e.name.toLowerCase()==a)return e;return null};Blockly.Variables.generateVariableFieldDom=function(a){var b=Blockly.utils.xml.createElement("field");b.setAttribute("name","VAR");b.setAttribute("id",a.getId());b.setAttribute("variabletype",a.type);a=Blockly.utils.xml.createTextNode(a.name);b.appendChild(a);return b};
-Blockly.Variables.getOrCreateVariablePackage=function(a,b,c,d){var e=Blockly.Variables.getVariable(a,b,c,d);e||(e=Blockly.Variables.createVariable_(a,b,c,d));return e};Blockly.Variables.getVariable=function(a,b,c,d){var e=a.getPotentialVariableMap();if(b){var f=a.getVariableById(b);!f&&e&&(f=e.getVariableById(b));if(f)return f}if(c){if(void 0==d)throw Error("Tried to look up a variable by name without a type");f=a.getVariable(c,d);!f&&e&&(f=e.getVariable(c,d))}return f};
-Blockly.Variables.createVariable_=function(a,b,c,d){var e=a.getPotentialVariableMap();c||(c=Blockly.Variables.generateUniqueName(a.isFlyout?a.targetWorkspace:a));return e?e.createVariable(c,d,b):a.createVariable(c,d,b)};Blockly.Variables.getAddedVariables=function(a,b){var c=a.getAllVariables(),d=[];if(b.length!=c.length)for(var e=0;e<c.length;e++){var f=c[e];-1==b.indexOf(f)&&d.push(f)}return d};Blockly.FieldVariable=function(a,b,c,d,e){this.menuGenerator_=Blockly.FieldVariable.dropdownCreate;this.defaultVariableName=a||"";this.size_=new Blockly.utils.Size(0,Blockly.BlockSvg.MIN_BLOCK_Y);e&&this.configure_(e);b&&this.setValidator(b);e||this.setTypes_(c,d)};Blockly.utils.object.inherits(Blockly.FieldVariable,Blockly.FieldDropdown);Blockly.FieldVariable.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.variable);return new Blockly.FieldVariable(b,void 0,void 0,void 0,a)};
-Blockly.FieldVariable.prototype.workspace_=null;Blockly.FieldVariable.prototype.SERIALIZABLE=!0;Blockly.FieldVariable.prototype.configure_=function(a){Blockly.FieldVariable.superClass_.configure_.call(this,a);this.setTypes_(a.variableTypes,a.defaultType)};Blockly.FieldVariable.prototype.initModel=function(){if(!this.variable_){var a=Blockly.Variables.getOrCreateVariablePackage(this.workspace_,null,this.defaultVariableName,this.defaultType_);Blockly.Events.disable();this.setValue(a.getId());Blockly.Events.enable()}};
-Blockly.FieldVariable.prototype.fromXml=function(a){var b=a.getAttribute("id"),c=a.textContent,d=a.getAttribute("variabletype")||a.getAttribute("variableType")||"";b=Blockly.Variables.getOrCreateVariablePackage(this.workspace_,b,c,d);if(null!=d&&d!==b.type)throw Error("Serialized variable type with id '"+b.getId()+"' had type "+b.type+", and does not match variable field that references it: "+Blockly.Xml.domToText(a)+".");this.setValue(b.getId())};
-Blockly.FieldVariable.prototype.toXml=function(a){this.initModel();a.id=this.variable_.getId();a.textContent=this.variable_.name;this.variable_.type&&a.setAttribute("variabletype",this.variable_.type);return a};Blockly.FieldVariable.prototype.setSourceBlock=function(a){if(a.isShadow())throw Error("Variable fields are not allowed to exist on shadow blocks.");Blockly.FieldVariable.superClass_.setSourceBlock.call(this,a);this.workspace_=a.workspace};
+Blockly.FieldNumber.prototype.widgetCreate_=function(){var a=Blockly.FieldNumber.superClass_.widgetCreate_.call(this);-Infinity<this.min_&&Blockly.utils.aria.setState(a,Blockly.utils.aria.State.VALUEMIN,this.min_);Infinity>this.max_&&Blockly.utils.aria.setState(a,Blockly.utils.aria.State.VALUEMAX,this.max_);return a};Blockly.fieldRegistry.register("field_number",Blockly.FieldNumber);Blockly.FieldVariable=function(a,b,c,d,e){this.menuGenerator_=Blockly.FieldVariable.dropdownCreate;this.defaultVariableName=a||"";this.size_=new Blockly.utils.Size(0,Blockly.BlockSvg.MIN_BLOCK_Y);e&&this.configure_(e);b&&this.setValidator(b);e||this.setTypes_(c,d)};Blockly.utils.object.inherits(Blockly.FieldVariable,Blockly.FieldDropdown);Blockly.FieldVariable.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.variable);return new Blockly.FieldVariable(b,void 0,void 0,void 0,a)};
+Blockly.FieldVariable.prototype.workspace_=null;Blockly.FieldVariable.prototype.SERIALIZABLE=!0;Blockly.FieldVariable.prototype.configure_=function(a){Blockly.FieldVariable.superClass_.configure_.call(this,a);this.setTypes_(a.variableTypes,a.defaultType)};
+Blockly.FieldVariable.prototype.initModel=function(){if(!this.variable_){var a=Blockly.Variables.getOrCreateVariablePackage(this.sourceBlock_.workspace,null,this.defaultVariableName,this.defaultType_);Blockly.Events.disable();this.setValue(a.getId());Blockly.Events.enable()}};
+Blockly.FieldVariable.prototype.fromXml=function(a){var b=a.getAttribute("id"),c=a.textContent,d=a.getAttribute("variabletype")||a.getAttribute("variableType")||"";b=Blockly.Variables.getOrCreateVariablePackage(this.sourceBlock_.workspace,b,c,d);if(null!=d&&d!==b.type)throw Error("Serialized variable type with id '"+b.getId()+"' had type "+b.type+", and does not match variable field that references it: "+Blockly.Xml.domToText(a)+".");this.setValue(b.getId())};
+Blockly.FieldVariable.prototype.toXml=function(a){this.initModel();a.id=this.variable_.getId();a.textContent=this.variable_.name;this.variable_.type&&a.setAttribute("variabletype",this.variable_.type);return a};Blockly.FieldVariable.prototype.setSourceBlock=function(a){if(a.isShadow())throw Error("Variable fields are not allowed to exist on shadow blocks.");Blockly.FieldVariable.superClass_.setSourceBlock.call(this,a)};
 Blockly.FieldVariable.prototype.getValue=function(){return this.variable_?this.variable_.getId():null};Blockly.FieldVariable.prototype.getText=function(){return this.variable_?this.variable_.name:""};Blockly.FieldVariable.prototype.getVariable=function(){return this.variable_};Blockly.FieldVariable.prototype.getValidator=function(){return this.variable_?this.validator_:null};
-Blockly.FieldVariable.prototype.doClassValidation_=function(a){if(null===a)return null;var b=Blockly.Variables.getVariable(this.workspace_,a);if(!b)return console.warn("Variable id doesn't point to a real variable! ID was "+a),null;b=b.type;return this.typeIsAllowed_(b)?a:(console.warn("Variable type doesn't match this field!  Type was "+b),null)};
-Blockly.FieldVariable.prototype.doValueUpdate_=function(a){this.variable_=Blockly.Variables.getVariable(this.workspace_,a);Blockly.FieldVariable.superClass_.doValueUpdate_.call(this,a)};Blockly.FieldVariable.prototype.typeIsAllowed_=function(a){var b=this.getVariableTypes_();if(!b)return!0;for(var c=0;c<b.length;c++)if(a==b[c])return!0;return!1};
-Blockly.FieldVariable.prototype.getVariableTypes_=function(){var a=this.variableTypes;if(null===a&&this.workspace_)return this.workspace_.getVariableTypes();a=a||[""];if(0==a.length)throw a=this.getText(),Error("'variableTypes' of field variable "+a+" was an empty list");return a};
+Blockly.FieldVariable.prototype.doClassValidation_=function(a){if(null===a)return null;var b=Blockly.Variables.getVariable(this.sourceBlock_.workspace,a);if(!b)return console.warn("Variable id doesn't point to a real variable! ID was "+a),null;b=b.type;return this.typeIsAllowed_(b)?a:(console.warn("Variable type doesn't match this field!  Type was "+b),null)};
+Blockly.FieldVariable.prototype.doValueUpdate_=function(a){this.variable_=Blockly.Variables.getVariable(this.sourceBlock_.workspace,a);Blockly.FieldVariable.superClass_.doValueUpdate_.call(this,a)};Blockly.FieldVariable.prototype.typeIsAllowed_=function(a){var b=this.getVariableTypes_();if(!b)return!0;for(var c=0;c<b.length;c++)if(a==b[c])return!0;return!1};
+Blockly.FieldVariable.prototype.getVariableTypes_=function(){var a=this.variableTypes;if(null===a&&this.sourceBlock_&&this.sourceBlock_.workspace)return this.sourceBlock_.workspace.getVariableTypes();a=a||[""];if(0==a.length)throw a=this.getText(),Error("'variableTypes' of field variable "+a+" was an empty list");return a};
 Blockly.FieldVariable.prototype.setTypes_=function(a,b){var c=b||"";if(null==a||void 0==a)var d=null;else if(Array.isArray(a)){d=a;for(var e=!1,f=0;f<d.length;f++)d[f]==c&&(e=!0);if(!e)throw Error("Invalid default type '"+c+"' in the definition of a FieldVariable");}else throw Error("'variableTypes' was not an array in the definition of a FieldVariable");this.defaultType_=c;this.variableTypes=d};Blockly.FieldVariable.prototype.refreshVariableName=function(){this.forceRerender()};
-Blockly.FieldVariable.dropdownCreate=function(){if(!this.variable_)throw Error("Tried to call dropdownCreate on a variable field with no variable selected.");var a=this.getText(),b=[];if(this.workspace_)for(var c=this.getVariableTypes_(),d=0;d<c.length;d++){var e=this.workspace_.getVariablesOfType(c[d]);b=b.concat(e)}b.sort(Blockly.VariableModel.compareByName);c=[];for(d=0;d<b.length;d++)c[d]=[b[d].name,b[d].getId()];c.push([Blockly.Msg.RENAME_VARIABLE,Blockly.RENAME_VARIABLE_ID]);Blockly.Msg.DELETE_VARIABLE&&
-c.push([Blockly.Msg.DELETE_VARIABLE.replace("%1",a),Blockly.DELETE_VARIABLE_ID]);return c};Blockly.FieldVariable.prototype.onItemSelected=function(a,b){var c=b.getValue();if(this.workspace_){if(c==Blockly.RENAME_VARIABLE_ID){Blockly.Variables.renameVariable(this.workspace_,this.variable_);return}if(c==Blockly.DELETE_VARIABLE_ID){this.workspace_.deleteVariableById(this.variable_.getId());return}}this.setValue(c)};Blockly.FieldVariable.prototype.referencesVariables=function(){return!0};
-Blockly.fieldRegistry.register("field_variable",Blockly.FieldVariable);Blockly.FlyoutCursor=function(){Blockly.FlyoutCursor.superClass_.constructor.call(this)};Blockly.utils.object.inherits(Blockly.FlyoutCursor,Blockly.Cursor);Blockly.FlyoutCursor.prototype.next=function(){var a=this.getCurNode();if(!a)return null;(a=a.next())&&this.setCurNode(a);return a};Blockly.FlyoutCursor.prototype["in"]=function(){return null};Blockly.FlyoutCursor.prototype.prev=function(){var a=this.getCurNode();if(!a)return null;(a=a.prev())&&this.setCurNode(a);return a};
+Blockly.FieldVariable.dropdownCreate=function(){if(!this.variable_)throw Error("Tried to call dropdownCreate on a variable field with no variable selected.");var a=this.getText(),b=[];if(this.sourceBlock_&&this.sourceBlock_.workspace)for(var c=this.getVariableTypes_(),d=0;d<c.length;d++){var e=this.sourceBlock_.workspace.getVariablesOfType(c[d]);b=b.concat(e)}b.sort(Blockly.VariableModel.compareByName);c=[];for(d=0;d<b.length;d++)c[d]=[b[d].name,b[d].getId()];c.push([Blockly.Msg.RENAME_VARIABLE,Blockly.RENAME_VARIABLE_ID]);
+Blockly.Msg.DELETE_VARIABLE&&c.push([Blockly.Msg.DELETE_VARIABLE.replace("%1",a),Blockly.DELETE_VARIABLE_ID]);return c};Blockly.FieldVariable.prototype.onItemSelected=function(a,b){var c=b.getValue();if(this.sourceBlock_&&this.sourceBlock_.workspace){if(c==Blockly.RENAME_VARIABLE_ID){Blockly.Variables.renameVariable(this.sourceBlock_.workspace,this.variable_);return}if(c==Blockly.DELETE_VARIABLE_ID){this.sourceBlock_.workspace.deleteVariableById(this.variable_.getId());return}}this.setValue(c)};
+Blockly.FieldVariable.prototype.referencesVariables=function(){return!0};Blockly.fieldRegistry.register("field_variable",Blockly.FieldVariable);Blockly.FlyoutCursor=function(){Blockly.FlyoutCursor.superClass_.constructor.call(this)};Blockly.utils.object.inherits(Blockly.FlyoutCursor,Blockly.Cursor);Blockly.FlyoutCursor.prototype.next=function(){var a=this.getCurNode();if(!a)return null;(a=a.next())&&this.setCurNode(a);return a};Blockly.FlyoutCursor.prototype["in"]=function(){return null};Blockly.FlyoutCursor.prototype.prev=function(){var a=this.getCurNode();if(!a)return null;(a=a.prev())&&this.setCurNode(a);return a};
 Blockly.FlyoutCursor.prototype.out=function(){return null};Blockly.Flyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);this.workspace_=new Blockly.WorkspaceSvg(a);this.workspace_.isFlyout=!0;this.workspace_.setCursor(new Blockly.FlyoutCursor);this.workspace_.setMarker(new Blockly.MarkerCursor);this.RTL=!!a.RTL;this.toolboxPosition_=a.toolboxPosition;this.eventWrappers_=[];this.mats_=[];this.buttons_=[];this.listeners_=[];this.permanentlyDisabled_=[];this.tabWidth_=this.workspace_.getRenderer().getConstants().TAB_WIDTH};
 Blockly.Flyout.prototype.autoClose=!0;Blockly.Flyout.prototype.isVisible_=!1;Blockly.Flyout.prototype.containerVisible_=!0;Blockly.Flyout.prototype.CORNER_RADIUS=8;Blockly.Flyout.prototype.MARGIN=Blockly.Flyout.prototype.CORNER_RADIUS;Blockly.Flyout.prototype.GAP_X=3*Blockly.Flyout.prototype.MARGIN;Blockly.Flyout.prototype.GAP_Y=3*Blockly.Flyout.prototype.MARGIN;Blockly.Flyout.prototype.SCROLLBAR_PADDING=2;Blockly.Flyout.prototype.width_=0;Blockly.Flyout.prototype.height_=0;
 Blockly.Flyout.prototype.dragAngleRange_=70;
@@ -963,7 +962,7 @@ Blockly.FlyoutButton.prototype.createDom=function(){var a=this.isLabel_?"blockly
 rx:4,ry:4},this.svgGroup_);var c=Blockly.utils.dom.createSvgElement("text",{"class":this.isLabel_?"blocklyFlyoutLabelText":"blocklyText",x:0,y:0,"text-anchor":"middle"},this.svgGroup_);c.textContent=Blockly.utils.replaceMessageReferences(this.text_);this.isLabel_&&(this.svgText_=c,this.workspace_.getThemeManager().subscribe(this.svgText_,"flyoutText","fill"));this.width=Blockly.utils.dom.getTextWidth(c);this.height=20;this.isLabel_||(this.width+=2*Blockly.FlyoutButton.MARGIN,b.setAttribute("width",
 this.width),b.setAttribute("height",this.height));a.setAttribute("width",this.width);a.setAttribute("height",this.height);c.setAttribute("x",this.width/2);c.setAttribute("y",this.height-Blockly.FlyoutButton.MARGIN);this.updateTransform_();this.onMouseUpWrapper_=Blockly.bindEventWithChecks_(this.svgGroup_,"mouseup",this,this.onMouseUp_);return this.svgGroup_};Blockly.FlyoutButton.prototype.show=function(){this.updateTransform_();this.svgGroup_.setAttribute("display","block")};
 Blockly.FlyoutButton.prototype.updateTransform_=function(){this.svgGroup_.setAttribute("transform","translate("+this.position_.x+","+this.position_.y+")")};Blockly.FlyoutButton.prototype.moveTo=function(a,b){this.position_.x=a;this.position_.y=b;this.updateTransform_()};Blockly.FlyoutButton.prototype.getPosition=function(){return this.position_};Blockly.FlyoutButton.prototype.getTargetWorkspace=function(){return this.targetWorkspace_};
-Blockly.FlyoutButton.prototype.dispose=function(){this.onMouseUpWrapper_&&Blockly.unbindEvent_(this.onMouseUpWrapper_);this.svgGroup_&&(Blockly.utils.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.svgText_&&this.workspace_.getThemeManager().unsubscribe(this.svgText_);this.targetWorkspace_=this.workspace_=null};
+Blockly.FlyoutButton.prototype.dispose=function(){this.onMouseUpWrapper_&&Blockly.unbindEvent_(this.onMouseUpWrapper_);this.svgGroup_&&Blockly.utils.dom.removeNode(this.svgGroup_);this.svgText_&&this.workspace_.getThemeManager().unsubscribe(this.svgText_)};
 Blockly.FlyoutButton.prototype.onMouseUp_=function(a){(a=this.targetWorkspace_.getGesture(a))&&a.cancel();this.isLabel_&&this.callbackKey_?console.warn("Labels should not have callbacks. Label text: "+this.text_):this.isLabel_||this.callbackKey_&&this.targetWorkspace_.getButtonCallback(this.callbackKey_)?this.isLabel_||this.targetWorkspace_.getButtonCallback(this.callbackKey_)(this):console.warn("Buttons should have callbacks. Button text: "+this.text_)};Blockly.Css.register(".blocklyFlyoutButton {,fill: #888;,cursor: default;,},.blocklyFlyoutButtonShadow {,fill: #666;,},.blocklyFlyoutButton:hover {,fill: #aaa;,},.blocklyFlyoutLabel {,cursor: default;,},.blocklyFlyoutLabelBackground {,opacity: 0;,},.blocklyFlyoutLabelText {,fill: #000;,}".split(","));Blockly.HorizontalFlyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);Blockly.HorizontalFlyout.superClass_.constructor.call(this,a);this.horizontalLayout_=!0};Blockly.utils.object.inherits(Blockly.HorizontalFlyout,Blockly.Flyout);
 Blockly.HorizontalFlyout.prototype.getMetrics_=function(){if(!this.isVisible())return null;try{var a=this.workspace_.getCanvas().getBBox()}catch(e){a={height:0,y:0,width:0,x:0}}var b=this.SCROLLBAR_PADDING,c=this.SCROLLBAR_PADDING;this.toolboxPosition_==Blockly.TOOLBOX_AT_BOTTOM&&(b=0);var d=this.height_;this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP&&(d-=this.SCROLLBAR_PADDING);return{viewHeight:d,viewWidth:this.width_-2*this.SCROLLBAR_PADDING,contentHeight:(a.height+2*this.MARGIN)*this.workspace_.scale,
 contentWidth:(a.width+2*this.MARGIN)*this.workspace_.scale,viewTop:-this.workspace_.scrollY,viewLeft:-this.workspace_.scrollX,contentTop:0,contentLeft:0,absoluteTop:b,absoluteLeft:c}};Blockly.HorizontalFlyout.prototype.setMetrics_=function(a){var b=this.getMetrics_();b&&("number"==typeof a.x&&(this.workspace_.scrollX=-b.contentWidth*a.x),this.workspace_.translate(this.workspace_.scrollX+b.absoluteLeft,this.workspace_.scrollY+b.absoluteTop))};
@@ -1028,7 +1027,7 @@ Blockly.Mutator.prototype.setVisible=function(a){if(a!=this.isVisible())if(Block
 for(var b=0,c;c=a[b];b++)c.render();this.rootBlock_.setMovable(!1);this.rootBlock_.setDeletable(!1);this.workspace_.flyout_?(a=2*this.workspace_.flyout_.CORNER_RADIUS,b=this.workspace_.getFlyout().getWidth()+a):b=a=16;this.block_.RTL&&(b=-b);this.rootBlock_.moveBy(b,a);if(this.block_.saveConnections){var d=this;this.block_.saveConnections(this.rootBlock_);this.sourceListener_=function(){d.block_.saveConnections(d.rootBlock_)};this.block_.workspace.addChangeListener(this.sourceListener_)}this.workspace_.addChangeListener(this.workspaceChanged_.bind(this));
 this.updateColour()}else this.svgDialog_=null,this.workspace_.dispose(),this.rootBlock_=this.workspace_=null,this.bubble_.dispose(),this.bubble_=null,this.workspaceHeight_=this.workspaceWidth_=0,this.sourceListener_&&(this.block_.workspace.removeChangeListener(this.sourceListener_),this.sourceListener_=null)};
 Blockly.Mutator.prototype.workspaceChanged_=function(a){if(a.type!=Blockly.Events.UI&&(a.type!=Blockly.Events.CHANGE||"disabled"!=a.element)){if(!this.workspace_.isDragging()){a=this.workspace_.getTopBlocks(!1);for(var b=0,c;c=a[b];b++){var d=c.getRelativeToSurfaceXY(),e=c.getHeightWidth();20>d.y+e.height&&c.moveBy(0,20-e.height-d.y)}}if(this.rootBlock_.workspace==this.workspace_){Blockly.Events.setGroup(!0);c=this.block_;a=(a=c.mutationToDom())&&Blockly.Xml.domToText(a);b=c.rendered;c.rendered=!1;
-c.compose(this.rootBlock_);c.rendered=b;c.initSvg();b=(b=c.mutationToDom())&&Blockly.Xml.domToText(b);if(a!=b){Blockly.Events.fire(new Blockly.Events.BlockChange(c,"mutation",null,a,b));var f=Blockly.Events.getGroup();setTimeout(function(){Blockly.Events.setGroup(f);c.bumpNeighbours_();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY)}c.rendered&&c.render();a!=b&&Blockly.keyboardAccessibilityMode&&Blockly.navigation.moveCursorOnBlockMutation(c);this.workspace_.isDragging()||this.resizeBubble_();Blockly.Events.setGroup(!1)}}};
+c.compose(this.rootBlock_);c.rendered=b;c.initSvg();b=(b=c.mutationToDom())&&Blockly.Xml.domToText(b);if(a!=b){Blockly.Events.fire(new Blockly.Events.BlockChange(c,"mutation",null,a,b));var f=Blockly.Events.getGroup();setTimeout(function(){Blockly.Events.setGroup(f);c.bumpNeighbours();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY)}c.rendered&&c.render();a!=b&&Blockly.keyboardAccessibilityMode&&Blockly.navigation.moveCursorOnBlockMutation(c);this.workspace_.isDragging()||this.resizeBubble_();Blockly.Events.setGroup(!1)}}};
 Blockly.Mutator.prototype.getFlyoutMetrics_=function(){return{viewHeight:this.workspaceHeight_,viewWidth:this.workspaceWidth_-this.workspace_.getFlyout().getWidth(),absoluteTop:0,absoluteLeft:this.workspace_.RTL?0:this.workspace_.getFlyout().getWidth()}};Blockly.Mutator.prototype.dispose=function(){this.block_.mutator=null;Blockly.Icon.prototype.dispose.call(this)};
 Blockly.Mutator.prototype.updateBlockStyle=function(){var a=this.workspace_;if(a&&a.getAllBlocks()){for(var b=a.getAllBlocks(),c=0;c<b.length;c++){var d=b[c];d.setStyle(d.getStyleName())}a=a.flyout_.workspace_.getAllBlocks();for(c=0;c<a.length;c++)d=a[c],d.setStyle(d.getStyleName())}};
 Blockly.Mutator.reconnect=function(a,b,c){if(!a||!a.getSourceBlock().workspace)return!1;c=b.getInput(c).connection;var d=a.targetBlock();return d&&d!=b||c.targetConnection==a?!1:(c.isConnected()&&c.disconnect(),c.connect(a),!0)};Blockly.Mutator.findParentWs=function(a){var b=null;if(a&&a.options){var c=a.options.parentWorkspace;a.isFlyout?c&&c.options&&(b=c.options.parentWorkspace):c&&(b=c)}return b};Blockly.utils.svgPaths={};Blockly.utils.svgPaths.point=function(a,b){return" "+a+","+b+" "};Blockly.utils.svgPaths.curve=function(a,b){return" "+a+b.join("")};Blockly.utils.svgPaths.moveTo=function(a,b){return" M "+a+","+b+" "};Blockly.utils.svgPaths.moveBy=function(a,b){return" m "+a+","+b+" "};Blockly.utils.svgPaths.lineTo=function(a,b){return" l "+a+","+b+" "};Blockly.utils.svgPaths.line=function(a){return" l"+a.join("")};Blockly.utils.svgPaths.lineOnAxis=function(a,b){return" "+a+" "+b+" "};
@@ -1139,7 +1138,7 @@ Blockly.geras.RenderInfo.prototype.addAlignmentPadding_=function(a,b){var c=a.ge
 Blockly.geras.RenderInfo.prototype.getSpacerRowHeight_=function(a,b){return Blockly.blockRendering.Types.isTopRow(a)&&Blockly.blockRendering.Types.isBottomRow(b)?this.constants_.EMPTY_BLOCK_SPACER_HEIGHT:Blockly.blockRendering.Types.isTopRow(a)||Blockly.blockRendering.Types.isBottomRow(b)?this.constants_.NO_PADDING:a.hasExternalInput&&b.hasExternalInput?this.constants_.LARGE_PADDING:!a.hasStatement&&b.hasStatement?this.constants_.BETWEEN_STATEMENT_PADDING_Y:a.hasStatement&&b.hasStatement||!a.hasStatement&&
 b.hasDummyInput?this.constants_.LARGE_PADDING:this.constants_.MEDIUM_PADDING};
 Blockly.geras.RenderInfo.prototype.getElemCenterline_=function(a,b){if(Blockly.blockRendering.Types.isSpacer(b))return a.yPos+b.height/2;if(Blockly.blockRendering.Types.isBottomRow(a)){var c=a.yPos+a.height-a.descenderHeight;return Blockly.blockRendering.Types.isNextConnection(b)?c+b.height/2:c-b.height/2}if(Blockly.blockRendering.Types.isTopRow(a))return Blockly.blockRendering.Types.isHat(b)?a.capline-b.height/2:a.capline+b.height/2;c=a.yPos;Blockly.blockRendering.Types.isField(b)||Blockly.blockRendering.Types.isIcon(b)?
-(c+=b.height/2,(a.hasInlineInput||a.hasStatement)&&b.height>a.height+this.constants_.TALL_INPUT_FIELD_OFFSET_Y&&(c+=this.constants_.TALL_INPUT_FIELD_OFFSET_Y)):c=Blockly.blockRendering.Types.isInlineInput(b)?c+b.height/2:c+a.height/2;return c};
+(c+=b.height/2,(a.hasInlineInput||a.hasStatement)&&b.height+this.constants_.TALL_INPUT_FIELD_OFFSET_Y<=a.height&&(c+=this.constants_.TALL_INPUT_FIELD_OFFSET_Y)):c=Blockly.blockRendering.Types.isInlineInput(b)?c+b.height/2:c+a.height/2;return c};
 Blockly.geras.RenderInfo.prototype.finalize_=function(){for(var a=0,b=0,c=0,d;d=this.rows[c];c++){d.yPos=b;d.xPos=this.startX;b+=d.height;a=Math.max(a,d.widthWithConnectedBlocks);var e=b-this.topRow.ascenderHeight;d==this.bottomRow&&e<this.constants_.MIN_BLOCK_HEIGHT&&(e=this.constants_.MIN_BLOCK_HEIGHT-e,this.bottomRow.height+=e,b+=e);this.recordElemPositions_(d)}this.bottomRow.baseline=b-this.bottomRow.descenderHeight;this.widthWithChildren=a+this.startX+this.constants_.DARK_PATH_OFFSET;this.width+=
 this.constants_.DARK_PATH_OFFSET;this.height=b+this.constants_.DARK_PATH_OFFSET;this.startY=this.topRow.capline};Blockly.geras.Drawer=function(a,b){Blockly.geras.Drawer.superClass_.constructor.call(this,a,b);this.highlighter_=new Blockly.geras.Highlighter(b)};Blockly.utils.object.inherits(Blockly.geras.Drawer,Blockly.blockRendering.Drawer);
 Blockly.geras.Drawer.prototype.draw=function(){this.hideHiddenIcons_();this.drawOutline_();this.drawInternals_();this.block_.pathObject.setPaths(this.outlinePath_+"\n"+this.inlinePath_,this.highlighter_.getPath());this.info_.RTL&&this.block_.pathObject.flipRTL();Blockly.blockRendering.useDebugger&&this.block_.renderingDebugger.drawDebug(this.block_,this.info_);this.recordSizeOnBlock_()};
@@ -1205,8 +1204,7 @@ b.push(c);a.registerButtonCallback("CREATE_VARIABLE_STRING",Blockly.VariablesDyn
 Blockly.VariablesDynamic.flyoutCategoryBlocks=function(a){a=a.getAllVariables();var b=[];if(0<a.length){if(Blockly.Blocks.variables_set_dynamic){var c=a[a.length-1],d=Blockly.utils.xml.createElement("block");d.setAttribute("type","variables_set_dynamic");d.setAttribute("gap",24);d.appendChild(Blockly.Variables.generateVariableFieldDom(c));b.push(d)}if(Blockly.Blocks.variables_get_dynamic){a.sort(Blockly.VariableModel.compareByName);c=0;for(var e;e=a[c];c++)d=Blockly.utils.xml.createElement("block"),
 d.setAttribute("type","variables_get_dynamic"),d.setAttribute("gap",8),d.appendChild(Blockly.Variables.generateVariableFieldDom(e)),b.push(d)}}return b};
 Blockly.ZoomControls=function(a){this.workspace_=a};Blockly.ZoomControls.prototype.WIDTH_=32;Blockly.ZoomControls.prototype.HEIGHT_=110;Blockly.ZoomControls.prototype.MARGIN_BOTTOM_=20;Blockly.ZoomControls.prototype.MARGIN_SIDE_=20;Blockly.ZoomControls.prototype.svgGroup_=null;Blockly.ZoomControls.prototype.left_=0;Blockly.ZoomControls.prototype.top_=0;
-Blockly.ZoomControls.prototype.createDom=function(){this.svgGroup_=Blockly.utils.dom.createSvgElement("g",{},null);var a=String(Math.random()).substring(2);this.createZoomOutSvg_(a);this.createZoomInSvg_(a);this.workspace_.isMovable()&&this.createZoomResetSvg_(a);return this.svgGroup_};Blockly.ZoomControls.prototype.init=function(a){this.verticalSpacing_=this.MARGIN_BOTTOM_+a;return this.verticalSpacing_+this.HEIGHT_};
-Blockly.ZoomControls.prototype.dispose=function(){this.svgGroup_&&(Blockly.utils.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.workspace_=null};
+Blockly.ZoomControls.prototype.createDom=function(){this.svgGroup_=Blockly.utils.dom.createSvgElement("g",{},null);var a=String(Math.random()).substring(2);this.createZoomOutSvg_(a);this.createZoomInSvg_(a);this.workspace_.isMovable()&&this.createZoomResetSvg_(a);return this.svgGroup_};Blockly.ZoomControls.prototype.init=function(a){this.verticalSpacing_=this.MARGIN_BOTTOM_+a;return this.verticalSpacing_+this.HEIGHT_};Blockly.ZoomControls.prototype.dispose=function(){this.svgGroup_&&Blockly.utils.dom.removeNode(this.svgGroup_)};
 Blockly.ZoomControls.prototype.position=function(){if(this.verticalSpacing_){var a=this.workspace_.getMetrics();a&&(this.left_=a.toolboxPosition==Blockly.TOOLBOX_AT_LEFT||this.workspace_.horizontalLayout&&!this.workspace_.RTL?a.viewWidth+a.absoluteLeft-this.WIDTH_-this.MARGIN_SIDE_-Blockly.Scrollbar.scrollbarThickness:this.MARGIN_SIDE_+Blockly.Scrollbar.scrollbarThickness,a.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM?(this.top_=this.verticalSpacing_,this.zoomInGroup_.setAttribute("transform","translate(0, 34)"),
 this.zoomResetGroup_&&this.zoomResetGroup_.setAttribute("transform","translate(0, 77)")):(this.top_=a.viewHeight+a.absoluteTop-this.HEIGHT_-this.verticalSpacing_,this.zoomInGroup_.setAttribute("transform","translate(0, 43)"),this.zoomOutGroup_.setAttribute("transform","translate(0, 77)")),this.svgGroup_.setAttribute("transform","translate("+this.left_+","+this.top_+")"))}};
 Blockly.ZoomControls.prototype.createZoomOutSvg_=function(a){var b=this.workspace_;this.zoomOutGroup_=Blockly.utils.dom.createSvgElement("g",{"class":"blocklyZoom"},this.svgGroup_);var c=Blockly.utils.dom.createSvgElement("clipPath",{id:"blocklyZoomoutClipPath"+a},this.zoomOutGroup_);Blockly.utils.dom.createSvgElement("rect",{width:32,height:32},c);a=Blockly.utils.dom.createSvgElement("image",{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,x:-64,y:-92,"clip-path":"url(#blocklyZoomoutClipPath"+
diff --git a/blockly_uncompressed.js b/blockly_uncompressed.js
index 2eafe3959..2165245fa 100644
--- a/blockly_uncompressed.js
+++ b/blockly_uncompressed.js
@@ -27,7 +27,7 @@ goog.addDependency("../../core/block_drag_surface.js", ['Blockly.BlockDragSurfac
 goog.addDependency("../../core/block_dragger.js", ['Blockly.BlockDragger'], ['Blockly.blockAnimations', 'Blockly.Events', 'Blockly.Events.BlockMove', 'Blockly.InsertionMarkerManager', 'Blockly.utils.Coordinate', 'Blockly.utils.dom']);
 goog.addDependency("../../core/block_events.js", ['Blockly.Events.BlockBase', 'Blockly.Events.BlockChange', 'Blockly.Events.BlockCreate', 'Blockly.Events.BlockDelete', 'Blockly.Events.BlockMove', 'Blockly.Events.Change', 'Blockly.Events.Create', 'Blockly.Events.Delete', 'Blockly.Events.Move'], ['Blockly.Events', 'Blockly.Events.Abstract', 'Blockly.utils.Coordinate', 'Blockly.utils.object', 'Blockly.utils.xml']);
 goog.addDependency("../../core/block_svg.js", ['Blockly.BlockSvg'], ['Blockly.Block', 'Blockly.blockAnimations', 'Blockly.blockRendering.IPathObject', 'Blockly.ContextMenu', 'Blockly.Events', 'Blockly.Events.Ui', 'Blockly.Events.BlockMove', 'Blockly.Msg', 'Blockly.RenderedConnection', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.Rect', 'Blockly.Warning']);
-goog.addDependency("../../core/blockly.js", ['Blockly'], ['Blockly.Events', 'Blockly.Events.Ui', 'Blockly.navigation', 'Blockly.Procedures', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.WidgetDiv', 'Blockly.WorkspaceSvg', 'Blockly.constants', 'Blockly.inject', 'Blockly.utils', 'Blockly.utils.colour', 'Blockly.Xml']);
+goog.addDependency("../../core/blockly.js", ['Blockly'], ['Blockly.constants', 'Blockly.Events', 'Blockly.Events.Ui', 'Blockly.inject', 'Blockly.navigation', 'Blockly.Procedures', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.utils', 'Blockly.utils.colour', 'Blockly.Variables', 'Blockly.WidgetDiv', 'Blockly.WorkspaceSvg', 'Blockly.Xml']);
 goog.addDependency("../../core/blocks.js", ['Blockly.Blocks'], []);
 goog.addDependency("../../core/bubble.js", ['Blockly.Bubble'], ['Blockly.Scrollbar', 'Blockly.Touch', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.dom', 'Blockly.utils.math', 'Blockly.utils.userAgent', 'Blockly.Workspace']);
 goog.addDependency("../../core/bubble_dragger.js", ['Blockly.BubbleDragger'], ['Blockly.Bubble', 'Blockly.Events', 'Blockly.Events.CommentMove', 'Blockly.utils', 'Blockly.utils.Coordinate']);
@@ -43,7 +43,7 @@ goog.addDependency("../../core/connection_db.js", ['Blockly.ConnectionDB'], ['Bl
 goog.addDependency("../../core/constants.js", ['Blockly.constants'], []);
 goog.addDependency("../../core/contextmenu.js", ['Blockly.ContextMenu'], ['Blockly.Events', 'Blockly.Events.BlockCreate', 'Blockly.Menu', 'Blockly.MenuItem', 'Blockly.Msg', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.dom', 'Blockly.utils.uiMenu', 'Blockly.utils.userAgent', 'Blockly.Xml']);
 goog.addDependency("../../core/css.js", ['Blockly.Css'], []);
-goog.addDependency("../../core/dropdowndiv.js", ['Blockly.DropDownDiv'], ['Blockly.utils.math', 'Blockly.utils.style']);
+goog.addDependency("../../core/dropdowndiv.js", ['Blockly.DropDownDiv'], ['Blockly.utils.dom', 'Blockly.utils.math', 'Blockly.utils.style']);
 goog.addDependency("../../core/events.js", ['Blockly.Events'], ['Blockly.utils']);
 goog.addDependency("../../core/events_abstract.js", ['Blockly.Events.Abstract'], ['Blockly.Events']);
 goog.addDependency("../../core/extensions.js", ['Blockly.Extensions'], ['Blockly.utils']);
@@ -52,7 +52,7 @@ goog.addDependency("../../core/field_angle.js", ['Blockly.FieldAngle'], ['Blockl
 goog.addDependency("../../core/field_checkbox.js", ['Blockly.FieldCheckbox'], ['Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.Size']);
 goog.addDependency("../../core/field_colour.js", ['Blockly.FieldColour'], ['Blockly.Css', 'Blockly.DropDownDiv', 'Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.navigation', 'Blockly.utils.aria', 'Blockly.utils.colour', 'Blockly.utils.dom', 'Blockly.utils.IdGenerator', 'Blockly.utils.KeyCodes', 'Blockly.utils.object', 'Blockly.utils.Size']);
 goog.addDependency("../../core/field_date.js", ['Blockly.FieldDate'], ['Blockly.Css', 'Blockly.Events', 'Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.string', 'goog.date', 'goog.date.DateTime', 'goog.events', 'goog.i18n.DateTimeSymbols', 'goog.i18n.DateTimeSymbols_he', 'goog.ui.DatePicker']);
-goog.addDependency("../../core/field_dropdown.js", ['Blockly.FieldDropdown'], ['Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.Menu', 'Blockly.MenuItem', 'Blockly.navigation', 'Blockly.utils', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.Size', 'Blockly.utils.string', 'Blockly.utils.uiMenu', 'Blockly.utils.userAgent']);
+goog.addDependency("../../core/field_dropdown.js", ['Blockly.FieldDropdown'], ['Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.Menu', 'Blockly.MenuItem', 'Blockly.navigation', 'Blockly.utils', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.Size', 'Blockly.utils.string', 'Blockly.utils.userAgent']);
 goog.addDependency("../../core/field_image.js", ['Blockly.FieldImage'], ['Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.utils', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.Size']);
 goog.addDependency("../../core/field_label.js", ['Blockly.FieldLabel'], ['Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.utils', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.Size']);
 goog.addDependency("../../core/field_label_serializable.js", ['Blockly.FieldLabelSerializable'], ['Blockly.FieldLabel', 'Blockly.fieldRegistry', 'Blockly.utils', 'Blockly.utils.object']);
diff --git a/blocks_compressed.js b/blocks_compressed.js
index d902192a0..c83d73438 100644
--- a/blocks_compressed.js
+++ b/blocks_compressed.js
@@ -37,7 +37,7 @@ this.appendDummyInput("AT"+a);var c=new Blockly.FieldDropdown(this["WHERE_OPTION
 Blockly.Blocks.lists_sort={init:function(){this.jsonInit({message0:Blockly.Msg.LISTS_SORT_TITLE,args0:[{type:"field_dropdown",name:"TYPE",options:[[Blockly.Msg.LISTS_SORT_TYPE_NUMERIC,"NUMERIC"],[Blockly.Msg.LISTS_SORT_TYPE_TEXT,"TEXT"],[Blockly.Msg.LISTS_SORT_TYPE_IGNORECASE,"IGNORE_CASE"]]},{type:"field_dropdown",name:"DIRECTION",options:[[Blockly.Msg.LISTS_SORT_ORDER_ASCENDING,"1"],[Blockly.Msg.LISTS_SORT_ORDER_DESCENDING,"-1"]]},{type:"input_value",name:"LIST",check:"Array"}],output:"Array",style:"list_blocks",
 tooltip:Blockly.Msg.LISTS_SORT_TOOLTIP,helpUrl:Blockly.Msg.LISTS_SORT_HELPURL})}};
 Blockly.Blocks.lists_split={init:function(){var a=this,b=new Blockly.FieldDropdown([[Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT,"SPLIT"],[Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST,"JOIN"]],function(b){a.updateType_(b)});this.setHelpUrl(Blockly.Msg.LISTS_SPLIT_HELPURL);this.setStyle("list_blocks");this.appendValueInput("INPUT").setCheck("String").appendField(b,"MODE");this.appendValueInput("DELIM").setCheck("String").appendField(Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER);this.setInputsInline(!0);this.setOutput(!0,
-"Array");this.setTooltip(function(){var b=a.getFieldValue("MODE");if("SPLIT"==b)return Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT;if("JOIN"==b)return Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN;throw Error("Unknown mode: "+b);})},updateType_:function(a){if(this.getFieldValue("MODE")!=a){var b=this.getInput("INPUT").connection;b.setShadowDom(null);var c=b.targetBlock();c&&(b.disconnect(),c.isShadow()?c.dispose():this.bumpNeighbours_())}"SPLIT"==a?(this.outputConnection.setCheck("Array"),this.getInput("INPUT").setCheck("String")):
+"Array");this.setTooltip(function(){var b=a.getFieldValue("MODE");if("SPLIT"==b)return Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT;if("JOIN"==b)return Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN;throw Error("Unknown mode: "+b);})},updateType_:function(a){if(this.getFieldValue("MODE")!=a){var b=this.getInput("INPUT").connection;b.setShadowDom(null);var c=b.targetBlock();c&&(b.disconnect(),c.isShadow()?c.dispose():this.bumpNeighbours())}"SPLIT"==a?(this.outputConnection.setCheck("Array"),this.getInput("INPUT").setCheck("String")):
 (this.outputConnection.setCheck("String"),this.getInput("INPUT").setCheck("Array"))},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("mode",this.getFieldValue("MODE"));return a},domToMutation:function(a){this.updateType_(a.getAttribute("mode"))}};Blockly.Blocks.logic={};Blockly.Constants.Logic={};Blockly.Constants.Logic.HUE=210;
 Blockly.defineBlocksWithJsonArray([{type:"logic_boolean",message0:"%1",args0:[{type:"field_dropdown",name:"BOOL",options:[["%{BKY_LOGIC_BOOLEAN_TRUE}","TRUE"],["%{BKY_LOGIC_BOOLEAN_FALSE}","FALSE"]]}],output:"Boolean",style:"logic_blocks",tooltip:"%{BKY_LOGIC_BOOLEAN_TOOLTIP}",helpUrl:"%{BKY_LOGIC_BOOLEAN_HELPURL}"},{type:"controls_if",message0:"%{BKY_CONTROLS_IF_MSG_IF} %1",args0:[{type:"input_value",name:"IF0",check:"Boolean"}],message1:"%{BKY_CONTROLS_IF_MSG_THEN} %1",args1:[{type:"input_statement",
 name:"DO0"}],previousStatement:null,nextStatement:null,style:"logic_blocks",helpUrl:"%{BKY_CONTROLS_IF_HELPURL}",mutator:"controls_if_mutator",extensions:["controls_if_tooltip"]},{type:"controls_ifelse",message0:"%{BKY_CONTROLS_IF_MSG_IF} %1",args0:[{type:"input_value",name:"IF0",check:"Boolean"}],message1:"%{BKY_CONTROLS_IF_MSG_THEN} %1",args1:[{type:"input_statement",name:"DO0"}],message2:"%{BKY_CONTROLS_IF_MSG_ELSE} %1",args2:[{type:"input_statement",name:"ELSE"}],previousStatement:null,nextStatement:null,
@@ -56,8 +56,8 @@ d);a.push(e.connection.targetConnection);b.push(f.connection.targetConnection);d
 this.elseCount_&&this.appendStatementInput("ELSE").appendField(Blockly.Msg.CONTROLS_IF_MSG_ELSE)},reconnectChildBlocks_:function(a,b,c){for(var d=1;d<=this.elseifCount_;d++)Blockly.Mutator.reconnect(a[d],this,"IF"+d),Blockly.Mutator.reconnect(b[d],this,"DO"+d);Blockly.Mutator.reconnect(c,this,"ELSE")}};Blockly.Extensions.registerMutator("controls_if_mutator",Blockly.Constants.Logic.CONTROLS_IF_MUTATOR_MIXIN,null,["controls_if_elseif","controls_if_else"]);
 Blockly.Constants.Logic.CONTROLS_IF_TOOLTIP_EXTENSION=function(){this.setTooltip(function(){if(this.elseifCount_||this.elseCount_){if(!this.elseifCount_&&this.elseCount_)return Blockly.Msg.CONTROLS_IF_TOOLTIP_2;if(this.elseifCount_&&!this.elseCount_)return Blockly.Msg.CONTROLS_IF_TOOLTIP_3;if(this.elseifCount_&&this.elseCount_)return Blockly.Msg.CONTROLS_IF_TOOLTIP_4}else return Blockly.Msg.CONTROLS_IF_TOOLTIP_1;return""}.bind(this))};Blockly.Extensions.register("controls_if_tooltip",Blockly.Constants.Logic.CONTROLS_IF_TOOLTIP_EXTENSION);
 Blockly.Constants.Logic.LOGIC_COMPARE_ONCHANGE_MIXIN={onchange:function(a){this.prevBlocks_||(this.prevBlocks_=[null,null]);var b=this.getInputTargetBlock("A"),c=this.getInputTargetBlock("B");b&&c&&!b.outputConnection.checkType_(c.outputConnection)&&(Blockly.Events.setGroup(a.group),a=this.prevBlocks_[0],a!==b&&(b.unplug(),a&&!a.isShadow()&&this.getInput("A").connection.connect(a.outputConnection)),b=this.prevBlocks_[1],b!==c&&(c.unplug(),b&&!b.isShadow()&&this.getInput("B").connection.connect(b.outputConnection)),
-this.bumpNeighbours_(),Blockly.Events.setGroup(!1));this.prevBlocks_[0]=this.getInputTargetBlock("A");this.prevBlocks_[1]=this.getInputTargetBlock("B")}};Blockly.Constants.Logic.LOGIC_COMPARE_EXTENSION=function(){this.mixin(Blockly.Constants.Logic.LOGIC_COMPARE_ONCHANGE_MIXIN)};Blockly.Extensions.register("logic_compare",Blockly.Constants.Logic.LOGIC_COMPARE_EXTENSION);
-Blockly.Constants.Logic.LOGIC_TERNARY_ONCHANGE_MIXIN={prevParentConnection_:null,onchange:function(a){var b=this.getInputTargetBlock("THEN"),c=this.getInputTargetBlock("ELSE"),d=this.outputConnection.targetConnection;if((b||c)&&d)for(var e=0;2>e;e++){var f=1==e?b:c;f&&!f.outputConnection.checkType_(d)&&(Blockly.Events.setGroup(a.group),d===this.prevParentConnection_?(this.unplug(),d.getSourceBlock().bumpNeighbours_()):(f.unplug(),f.bumpNeighbours_()),Blockly.Events.setGroup(!1))}this.prevParentConnection_=
+this.bumpNeighbours(),Blockly.Events.setGroup(!1));this.prevBlocks_[0]=this.getInputTargetBlock("A");this.prevBlocks_[1]=this.getInputTargetBlock("B")}};Blockly.Constants.Logic.LOGIC_COMPARE_EXTENSION=function(){this.mixin(Blockly.Constants.Logic.LOGIC_COMPARE_ONCHANGE_MIXIN)};Blockly.Extensions.register("logic_compare",Blockly.Constants.Logic.LOGIC_COMPARE_EXTENSION);
+Blockly.Constants.Logic.LOGIC_TERNARY_ONCHANGE_MIXIN={prevParentConnection_:null,onchange:function(a){var b=this.getInputTargetBlock("THEN"),c=this.getInputTargetBlock("ELSE"),d=this.outputConnection.targetConnection;if((b||c)&&d)for(var e=0;2>e;e++){var f=1==e?b:c;f&&!f.outputConnection.checkType_(d)&&(Blockly.Events.setGroup(a.group),d===this.prevParentConnection_?(this.unplug(),d.getSourceBlock().bumpNeighbours()):(f.unplug(),f.bumpNeighbours()),Blockly.Events.setGroup(!1))}this.prevParentConnection_=
 d}};Blockly.Extensions.registerMixin("logic_ternary",Blockly.Constants.Logic.LOGIC_TERNARY_ONCHANGE_MIXIN);Blockly.Blocks.loops={};Blockly.Constants.Loops={};Blockly.Constants.Loops.HUE=120;
 Blockly.defineBlocksWithJsonArray([{type:"controls_repeat_ext",message0:"%{BKY_CONTROLS_REPEAT_TITLE}",args0:[{type:"input_value",name:"TIMES",check:"Number"}],message1:"%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",args1:[{type:"input_statement",name:"DO"}],previousStatement:null,nextStatement:null,style:"loop_blocks",tooltip:"%{BKY_CONTROLS_REPEAT_TOOLTIP}",helpUrl:"%{BKY_CONTROLS_REPEAT_HELPURL}"},{type:"controls_repeat",message0:"%{BKY_CONTROLS_REPEAT_TITLE}",args0:[{type:"field_number",name:"TIMES",value:10,
 min:0,precision:1}],message1:"%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",args1:[{type:"input_statement",name:"DO"}],previousStatement:null,nextStatement:null,style:"loop_blocks",tooltip:"%{BKY_CONTROLS_REPEAT_TOOLTIP}",helpUrl:"%{BKY_CONTROLS_REPEAT_HELPURL}"},{type:"controls_whileUntil",message0:"%1 %2",args0:[{type:"field_dropdown",name:"MODE",options:[["%{BKY_CONTROLS_WHILEUNTIL_OPERATOR_WHILE}","WHILE"],["%{BKY_CONTROLS_WHILEUNTIL_OPERATOR_UNTIL}","UNTIL"]]},{type:"input_value",name:"BOOL",check:"Boolean"}],
@@ -95,7 +95,7 @@ e.name);d.setAttribute("varid",e.getId());a&&this.paramIds_&&d.setAttribute("par
 d,"");null!=c?this.argumentVarModels_.push(c):console.log("Failed to create a variable with name "+d+", ignoring.")}this.updateParams_();Blockly.Procedures.mutateCallers(this);this.setStatements_("false"!==a.getAttribute("statements"))},decompose:function(a){var b=Blockly.utils.xml.createElement("block");b.setAttribute("type","procedures_mutatorcontainer");var c=Blockly.utils.xml.createElement("statement");c.setAttribute("name","STACK");b.appendChild(c);for(var d=0;d<this.arguments_.length;d++){var e=
 Blockly.utils.xml.createElement("block");e.setAttribute("type","procedures_mutatorarg");var f=Blockly.utils.xml.createElement("field");f.setAttribute("name","NAME");var g=Blockly.utils.xml.createTextNode(this.arguments_[d]);f.appendChild(g);e.appendChild(f);f=Blockly.utils.xml.createElement("next");e.appendChild(f);c.appendChild(e);c=f}a=Blockly.Xml.domToBlock(b,a);"procedures_defreturn"==this.type?a.setFieldValue(this.hasStatements_,"STATEMENTS"):a.removeInput("STATEMENT_INPUT");Blockly.Procedures.mutateCallers(this);
 return a},compose:function(a){this.arguments_=[];this.paramIds_=[];this.argumentVarModels_=[];for(var b=a.getInputTargetBlock("STACK");b;){var c=b.getFieldValue("NAME");this.arguments_.push(c);c=this.workspace.getVariable(c,"");this.argumentVarModels_.push(c);this.paramIds_.push(b.id);b=b.nextConnection&&b.nextConnection.targetBlock()}this.updateParams_();Blockly.Procedures.mutateCallers(this);a=a.getFieldValue("STATEMENTS");if(null!==a&&(a="TRUE"==a,this.hasStatements_!=a))if(a)this.setStatements_(!0),
-Blockly.Mutator.reconnect(this.statementConnection_,this,"STACK"),this.statementConnection_=null;else{a=this.getInput("STACK").connection;if(this.statementConnection_=a.targetConnection)a=a.targetBlock(),a.unplug(),a.bumpNeighbours_();this.setStatements_(!1)}},getProcedureDef:function(){return[this.getFieldValue("NAME"),this.arguments_,!1]},getVars:function(){return this.arguments_},getVarModels:function(){return this.argumentVarModels_},renameVarById:function(a,b){var c=this.workspace.getVariableById(a);
+Blockly.Mutator.reconnect(this.statementConnection_,this,"STACK"),this.statementConnection_=null;else{a=this.getInput("STACK").connection;if(this.statementConnection_=a.targetConnection)a=a.targetBlock(),a.unplug(),a.bumpNeighbours();this.setStatements_(!1)}},getProcedureDef:function(){return[this.getFieldValue("NAME"),this.arguments_,!1]},getVars:function(){return this.arguments_},getVarModels:function(){return this.argumentVarModels_},renameVarById:function(a,b){var c=this.workspace.getVariableById(a);
 if(""==c.type){c=c.name;for(var d=this.workspace.getVariableById(b),e=!1,f=0;f<this.argumentVarModels_.length;f++)this.argumentVarModels_[f].getId()==a&&(this.arguments_[f]=d.name,this.argumentVarModels_[f]=d,e=!0);e&&(this.displayRenamedVar_(c,d.name),Blockly.Procedures.mutateCallers(this))}},updateVarName:function(a){for(var b=a.name,c=!1,d=0;d<this.argumentVarModels_.length;d++)if(this.argumentVarModels_[d].getId()==a.getId()){var e=this.arguments_[d];this.arguments_[d]=b;c=!0}c&&(this.displayRenamedVar_(e,
 b),Blockly.Procedures.mutateCallers(this))},displayRenamedVar_:function(a,b){this.updateParams_();if(this.mutator&&this.mutator.isVisible())for(var c=this.mutator.workspace_.getAllBlocks(!1),d=0,e;e=c[d];d++)"procedures_mutatorarg"==e.type&&Blockly.Names.equals(a,e.getFieldValue("NAME"))&&e.setFieldValue(b,"NAME")},customContextMenu:function(a){if(!this.isInFlyout){var b={enabled:!0},c=this.getFieldValue("NAME");b.text=Blockly.Msg.PROCEDURES_CREATE_DO.replace("%1",c);var d=Blockly.utils.xml.createElement("mutation");
 d.setAttribute("name",c);for(c=0;c<this.arguments_.length;c++){var e=Blockly.utils.xml.createElement("arg");e.setAttribute("name",this.arguments_[c]);d.appendChild(e)}c=Blockly.utils.xml.createElement("block");c.setAttribute("type",this.callType_);c.appendChild(d);b.callback=Blockly.ContextMenu.callbackFactory(this,c);a.push(b);if(!this.isCollapsed())for(c=0;c<this.argumentVarModels_.length;c++)b={enabled:!0},d=this.argumentVarModels_[c],b.text=Blockly.Msg.VARIABLES_SET_CREATE_GET.replace("%1",d.name),
@@ -112,7 +112,7 @@ this.deleteIntermediateVars_;a.createdVariables_=[];a.onFinishEditing_("x")},val
 this.createdVariables_.push(b);return a},deleteIntermediateVars_:function(a){var b=Blockly.Mutator.findParentWs(this.getSourceBlock().workspace);if(b)for(var c=0;c<this.createdVariables_.length;c++){var d=this.createdVariables_[c];d.name!=a&&b.deleteVariableById(d.getId())}}};
 Blockly.Blocks.procedures_callnoreturn={init:function(){this.appendDummyInput("TOPROW").appendField(this.id,"NAME");this.setPreviousStatement(!0);this.setNextStatement(!0);this.setStyle("procedure_blocks");this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLNORETURN_HELPURL);this.arguments_=[];this.argumentVarModels_=[];this.quarkConnections_={};this.quarkIds_=null;this.previousEnabledState_=!0},getProcedureCall:function(){return this.getFieldValue("NAME")},renameProcedure:function(a,b){Blockly.Names.equals(a,
 this.getProcedureCall())&&(this.setFieldValue(b,"NAME"),this.setTooltip((this.outputConnection?Blockly.Msg.PROCEDURES_CALLRETURN_TOOLTIP:Blockly.Msg.PROCEDURES_CALLNORETURN_TOOLTIP).replace("%1",b)))},setProcedureParameters_:function(a,b){var c=Blockly.Procedures.getDefinition(this.getProcedureCall(),this.workspace),d=c&&c.mutator&&c.mutator.isVisible();d||(this.quarkConnections_={},this.quarkIds_=null);if(b)if(a.join("\n")==this.arguments_.join("\n"))this.quarkIds_=b;else{if(b.length!=a.length)throw RangeError("paramNames and paramIds must be the same length.");
-this.setCollapsed(!1);this.quarkIds_||(this.quarkConnections_={},this.quarkIds_=[]);c=this.rendered;this.rendered=!1;for(var e=0;e<this.arguments_.length;e++){var f=this.getInput("ARG"+e);f&&(f=f.connection.targetConnection,this.quarkConnections_[this.quarkIds_[e]]=f,d&&f&&-1==b.indexOf(this.quarkIds_[e])&&(f.disconnect(),f.getSourceBlock().bumpNeighbours_()))}this.arguments_=[].concat(a);this.argumentVarModels_=[];for(e=0;e<this.arguments_.length;e++)d=Blockly.Variables.getOrCreateVariablePackage(this.workspace,
+this.setCollapsed(!1);this.quarkIds_||(this.quarkConnections_={},this.quarkIds_=[]);c=this.rendered;this.rendered=!1;for(var e=0;e<this.arguments_.length;e++){var f=this.getInput("ARG"+e);f&&(f=f.connection.targetConnection,this.quarkConnections_[this.quarkIds_[e]]=f,d&&f&&-1==b.indexOf(this.quarkIds_[e])&&(f.disconnect(),f.getSourceBlock().bumpNeighbours()))}this.arguments_=[].concat(a);this.argumentVarModels_=[];for(e=0;e<this.arguments_.length;e++)d=Blockly.Variables.getOrCreateVariablePackage(this.workspace,
 null,this.arguments_[e],""),this.argumentVarModels_.push(d);this.updateShape_();if(this.quarkIds_=b)for(e=0;e<this.arguments_.length;e++)d=this.quarkIds_[e],d in this.quarkConnections_&&(f=this.quarkConnections_[d],Blockly.Mutator.reconnect(f,this,"ARG"+e)||delete this.quarkConnections_[d]);(this.rendered=c)&&this.render()}},updateShape_:function(){for(var a=0;a<this.arguments_.length;a++){var b=this.getField("ARGNAME"+a);if(b){Blockly.Events.disable();try{b.setValue(this.arguments_[a])}finally{Blockly.Events.enable()}}else b=
 new Blockly.FieldLabel(this.arguments_[a]),this.appendValueInput("ARG"+a).setAlign(Blockly.ALIGN_RIGHT).appendField(b,"ARGNAME"+a).init()}for(;this.getInput("ARG"+a);)this.removeInput("ARG"+a),a++;if(a=this.getInput("TOPROW"))this.arguments_.length?this.getField("WITH")||(a.appendField(Blockly.Msg.PROCEDURES_CALL_BEFORE_PARAMS,"WITH"),a.init()):this.getField("WITH")&&a.removeField("WITH")},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("name",this.getProcedureCall());
 for(var b=0;b<this.arguments_.length;b++){var c=Blockly.utils.xml.createElement("arg");c.setAttribute("name",this.arguments_[b]);a.appendChild(c)}return a},domToMutation:function(a){var b=a.getAttribute("name");this.renameProcedure(this.getProcedureCall(),b);b=[];for(var c=[],d=0,e;e=a.childNodes[d];d++)"arg"==e.nodeName.toLowerCase()&&(b.push(e.getAttribute("name")),c.push(e.getAttribute("paramId")));this.setProcedureParameters_(b,c)},getVarModels:function(){return this.argumentVarModels_},onchange:function(a){if(this.workspace&&
diff --git a/msg/js/bg.js b/msg/js/bg.js
index bb29bb2d8..525b2c8e6 100644
--- a/msg/js/bg.js
+++ b/msg/js/bg.js
@@ -389,7 +389,7 @@ Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "премахни интервалит
 Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Връща копие на текста с премахнати интервали от единия или двата края.";
 Blockly.Msg["TODAY"] = "Днес";
 Blockly.Msg["UNDO"] = "Отмяна";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
+Blockly.Msg["UNNAMED_KEY"] = "без име";
 Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "елемент";
 Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Създай „промени стойността на %1“";
 Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
diff --git a/msg/js/diq.js b/msg/js/diq.js
index 5cb391b52..2384d4ca8 100644
--- a/msg/js/diq.js
+++ b/msg/js/diq.js
@@ -141,8 +141,8 @@ Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Li
 Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
 Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
 Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
+Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 dimlaşt kerê";
+Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Yew kopyaya yew lista dimlaşt kerê.";
 Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
 Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "zey";
 Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "De fi";
@@ -306,7 +306,7 @@ Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Yew fonksiyono çap nêdate vı
 Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
 Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "peyser biya";
 Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Yew fonksiyono çap daye vırazeno";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
+Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Tembe: Nê fonksiyoni de parametreyê dıleti estê.";
 Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
 Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
 Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
@@ -394,7 +394,7 @@ Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "unsur";
 Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'%1 bınuse' vıraze";
 Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
 Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
+Blockly.Msg["VARIABLES_SET"] = "%1 ra %2 rê eyar kerê";
 Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'%1 bıwane' vıraze";
 Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
 Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
diff --git a/msg/js/kab.js b/msg/js/kab.js
index 2bb2084b6..22cd7990d 100644
--- a/msg/js/kab.js
+++ b/msg/js/kab.js
@@ -23,7 +23,7 @@ Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Fren ini s wudem agacuran.";
 Blockly.Msg["COLOUR_RGB_BLUE"] = "anili";
 Blockly.Msg["COLOUR_RGB_GREEN"] = "azegzaw";
 Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "azeggwaɣ";
+Blockly.Msg["COLOUR_RGB_RED"] = "azeggaɣ";
 Blockly.Msg["COLOUR_RGB_TITLE"] = "ini s";
 Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Rnu ini s tnecta yettunefk s tesmekta n uzeggaɣ, azegzaw, akked unili. Yessefk akk azalen ad ilin gar 0 akked 100.";
 Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
@@ -389,7 +389,7 @@ Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "tukksa n isekkilen seg uyeffus";
 Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Ad d-yerr anɣel n uḍris s isekkilen ilmawen yettwakksen seg ixf neɣ i sin.";
 Blockly.Msg["TODAY"] = "Ass-a";
 Blockly.Msg["UNDO"] = "Err-d";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
+Blockly.Msg["UNNAMED_KEY"] = "warisem";
 Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "aferdis";
 Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Rnu 'sbadu %1'";
 Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
diff --git a/msg/js/tr.js b/msg/js/tr.js
index 2766f6f23..778a65b20 100644
--- a/msg/js/tr.js
+++ b/msg/js/tr.js
@@ -389,7 +389,7 @@ Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "sağından boşlukları temizle";
 Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Metnin bir veya her iki sondan da boşlukları silinmiş şekilde kopyasını verir.";
 Blockly.Msg["TODAY"] = "Bugün";
 Blockly.Msg["UNDO"] = "Geri al";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
+Blockly.Msg["UNNAMED_KEY"] = "isimsiz";
 Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "öge";
 Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'set %1' oluştur";
 Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
diff --git a/msg/json/en.json b/msg/json/en.json
index a62a223a8..1a9b1d043 100644
--- a/msg/json/en.json
+++ b/msg/json/en.json
@@ -1,7 +1,7 @@
 {
 	"@metadata": {
 		"author": "Ellen Spertus <ellen.spertus@gmail.com>",
-		"lastupdated": "2019-09-10 15:39:18.911383",
+		"lastupdated": "2019-10-04 13:16:14.900805",
 		"locale": "en",
 		"messagedocumentation" : "qqq"
 	},
diff --git a/msg/json/qqq.json b/msg/json/qqq.json
index c6c5d401a..64d459cf1 100644
--- a/msg/json/qqq.json
+++ b/msg/json/qqq.json
@@ -1,13 +1,4 @@
 {
-	"@metadata": {
-		"authors": [
-			"Espertus",
-			"Liuxinyu970226",
-			"Metalhead64",
-			"Robby",
-			"Shirayuki"
-		]
-	},
 	"VARIABLES_DEFAULT_NAME": "default name - A simple, general default name for a variable, preferably short. For more context, see [[Translating:Blockly#infrequent_message_types]].\n{{Identical|Item}}",
 	"UNNAMED_KEY": "default name - A simple, default name for an unnamed function or variable. Preferably indicates that the item is unnamed.",
 	"TODAY": "button text - Button that sets a calendar to today's date.\n{{Identical|Today}}",