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Add dragStart and dragEnd UI events

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This commit is contained in:
Navil Perez
2019-10-17 11:41:31 -07:00
parent ce02665044
commit bde1edff85
1 changed files with 24 additions and 1 deletions
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25
core/block_dragger.js
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@@ -26,6 +26,7 @@ goog.provide('Blockly.BlockDragger');
goog.require('Blockly.blockAnimations');
goog.require('Blockly.Events');
goog.require('Blockly.Events.BlockMove');
goog.require('Blockly.Events.Ui');
goog.require('Blockly.InsertionMarkerManager');
goog.require('Blockly.utils.Coordinate');
goog.require('Blockly.utils.dom');
@@ -147,6 +148,7 @@ Blockly.BlockDragger.prototype.startBlockDrag = function(currentDragDeltaXY,
if (!Blockly.Events.getGroup()) {
Blockly.Events.setGroup(true);
}
this.fireDragStartEvent_();
// Mutators don't have the same type of z-ordering as the normal workspace
// during a drag. They have to rely on the order of the blocks in the SVG.
@@ -186,6 +188,16 @@ Blockly.BlockDragger.prototype.startBlockDrag = function(currentDragDeltaXY,
}
};
/**
* Fire a ui event at the start of a block drag.
* @private
*/
Blockly.BlockDragger.prototype.fireDragStartEvent_ = function() {
var event = new Blockly.Events.Ui(this.draggingBlock_, 'dragStart',
null, this.draggingBlock_.getDescendants(false));
Blockly.Events.fire(event)
};
/**
* Execute a step of block dragging, based on the given event. Update the
* display accordingly.
@@ -218,7 +230,8 @@ Blockly.BlockDragger.prototype.endBlockDrag = function(e, currentDragDeltaXY) {
// Make sure internal state is fresh.
this.dragBlock(e, currentDragDeltaXY);
this.dragIconData_ = [];
this.fireDragEndEvent_();
Blockly.utils.dom.stopTextWidthCache();
Blockly.blockAnimations.disconnectUiStop();
@@ -252,6 +265,16 @@ Blockly.BlockDragger.prototype.endBlockDrag = function(e, currentDragDeltaXY) {
Blockly.Events.setGroup(false);
};
/**
* Fire a ui event at the end of a block drag.
* @private
*/
Blockly.BlockDragger.prototype.fireDragEndEvent_ = function() {
var event = new Blockly.Events.Ui(this.draggingBlock_, 'dragStop',
this.draggingBlock_.getDescendants(false), null);
Blockly.Events.fire(event);
};
/**
* Fire a move event at the end of a block drag.
* @private