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A better fix for the zoom center button.

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Neil Fraser
2015-09-22 17:51:21 -07:00
parent 890d8d8d73
commit 47ad32f6c7
2 changed files with 10 additions and 10 deletions
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2
blockly_compressed.js
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@@ -1011,7 +1011,7 @@ Blockly.WorkspaceSvg.prototype.updateToolbox=function(a){if(a=Blockly.parseToolb
};Blockly.WorkspaceSvg.prototype.addChangeListener=function(a){a=Blockly.bindEvent_(this.getCanvas(),"blocklyWorkspaceChange",null,a);Array.prototype.push.apply(this.eventWrappers_,a);return a};Blockly.WorkspaceSvg.prototype.removeChangeListener=function(a){Blockly.unbindEvent_(a);a=this.eventWrappers_.indexOf(a);-1!=a&&this.eventWrappers_.splice(a,1)};Blockly.WorkspaceSvg.prototype.markFocused=function(){Blockly.mainWorkspace=this};
Blockly.WorkspaceSvg.prototype.zoom=function(a,b,c){var d=this.options.zoomOptions.scaleSpeed,e=this.getMetrics(),f=this.options.svg.createSVGPoint();f.x=a;f.y=b;f=f.matrixTransform(this.getCanvas().getCTM().inverse());a=f.x;b=f.y;f=this.getCanvas();c=1==c?d:1/d;d=this.scale*c;d>this.options.zoomOptions.maxScale?c=this.options.zoomOptions.maxScale/this.scale:d<this.options.zoomOptions.minScale&&(c=this.options.zoomOptions.minScale/this.scale);a=f.getCTM().translate(a*(1-c),b*(1-c)).scale(c);this.scale!=
a.a&&(this.scale=a.a,this.scrollX=a.e-e.absoluteLeft,this.scrollY=a.f-e.absoluteTop,this.updateGridPattern_(),this.scrollbar.resize(),Blockly.hideChaff(!1),this.flyout_&&this.flyout_.reflow())};Blockly.WorkspaceSvg.prototype.zoomCenter=function(a){var b=this.getMetrics();this.zoom(b.viewWidth/2,b.viewHeight/2,a)};
Blockly.WorkspaceSvg.prototype.zoomReset=function(a){this.scale=1;this.updateGridPattern_();Blockly.hideChaff(!1);this.flyout_&&this.flyout_.reflow();var b=this;setTimeout(function(){var a=b.getMetrics();b.scrollbar.set((a.contentWidth-a.viewWidth)/2,(a.contentHeight-a.viewHeight)/2)},0);a.stopPropagation()};
Blockly.WorkspaceSvg.prototype.zoomReset=function(a){this.scale=1;this.updateGridPattern_();Blockly.hideChaff(!1);this.flyout_&&this.flyout_.reflow();this.scrollbar&&this.scrollbar.resize();var b=this.getMetrics();this.scrollbar.set((b.contentWidth-b.viewWidth)/2,(b.contentHeight-b.viewHeight)/2);a.stopPropagation()};
Blockly.WorkspaceSvg.prototype.updateGridPattern_=function(){if(this.options.gridPattern){var a=this.options.gridOptions.spacing*this.scale||100;this.options.gridPattern.setAttribute("width",a);this.options.gridPattern.setAttribute("height",a);var a=Math.floor(this.options.gridOptions.spacing/2)+.5,b=a-this.options.gridOptions.length/2,c=a+this.options.gridOptions.length/2,d=this.options.gridPattern.firstChild,e=d&&d.nextSibling,a=a*this.scale,b=b*this.scale,c=c*this.scale;d&&(d.setAttribute("stroke-width",
this.scale),d.setAttribute("x1",b),d.setAttribute("y1",a),d.setAttribute("x2",c),d.setAttribute("y2",a));e&&(e.setAttribute("stroke-width",this.scale),e.setAttribute("x1",a),e.setAttribute("y1",b),e.setAttribute("x2",a),e.setAttribute("y2",c))}};Blockly.WorkspaceSvg.prototype.setVisible=Blockly.WorkspaceSvg.prototype.setVisible;Blockly.WorkspaceSvg.prototype.addChangeListener=Blockly.WorkspaceSvg.prototype.addChangeListener;Blockly.WorkspaceSvg.prototype.removeChangeListener=Blockly.WorkspaceSvg.prototype.removeChangeListener;Blockly.Mutator=function(a){Blockly.Mutator.superClass_.constructor.call(this,null);this.quarkNames_=a};goog.inherits(Blockly.Mutator,Blockly.Icon);Blockly.Mutator.prototype.png_="data:image/png;base64,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";
Blockly.Mutator.prototype.workspaceWidth_=0;Blockly.Mutator.prototype.workspaceHeight_=0;Blockly.Mutator.prototype.iconClick_=function(a){this.block_.isEditable()&&Blockly.Icon.prototype.iconClick_.call(this,a)};

18
core/workspace_svg.js
View File

@@ -923,15 +923,15 @@ Blockly.WorkspaceSvg.prototype.zoomReset = function(e) {
// No toolbox, resize flyout.
this.flyout_.reflow();
}
// Center the workspace once the scaling has had a chance to take effect.
var thisWorkspace = this;
var scroll = function() {
var metrics = thisWorkspace.getMetrics();
thisWorkspace.scrollbar.set((metrics.contentWidth - metrics.viewWidth) / 2,
(metrics.contentHeight - metrics.viewHeight) / 2);
};
setTimeout(scroll, 0);
// This event has been handled. No need to bubble up to the document.
// Zoom level has changed, update the scrollbars.
if (this.scrollbar) {
this.scrollbar.resize();
}
// Center the workspace.
var metrics = this.getMetrics();
this.scrollbar.set((metrics.contentWidth - metrics.viewWidth) / 2,
(metrics.contentHeight - metrics.viewHeight) / 2);
// This event has been handled. Don't start a workspace drag.
e.stopPropagation();
};