98 lines
2.6 KiB
JavaScript
98 lines
2.6 KiB
JavaScript
//>>built
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define("dijit/form/_ListMouseMixin", [
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"dojo/_base/declare", // declare
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"dojo/_base/event", // event.stop
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"dojo/touch",
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"./_ListBase"
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], function(declare, event, touch, _ListBase){
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/*=====
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var _ListBase = dijit.form._ListBase;
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=====*/
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// module:
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// dijit/form/_ListMouseMixin
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// summary:
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// a mixin to handle mouse or touch events for a focus-less menu
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return declare( "dijit.form._ListMouseMixin", _ListBase, {
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// summary:
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// a Mixin to handle mouse or touch events for a focus-less menu
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// Abstract methods that must be defined externally:
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// onClick: item was chosen (mousedown somewhere on the menu and mouseup somewhere on the menu)
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// tags:
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// private
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postCreate: function(){
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this.inherited(arguments);
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this.connect(this.domNode, touch.press, "_onMouseDown");
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this.connect(this.domNode, touch.release, "_onMouseUp");
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this.connect(this.domNode, "onmouseover", "_onMouseOver");
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this.connect(this.domNode, "onmouseout", "_onMouseOut");
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},
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_onMouseDown: function(/*Event*/ evt){
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event.stop(evt);
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if(this._hoveredNode){
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this.onUnhover(this._hoveredNode);
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this._hoveredNode = null;
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}
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this._isDragging = true;
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this._setSelectedAttr(this._getTarget(evt));
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},
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_onMouseUp: function(/*Event*/ evt){
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event.stop(evt);
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this._isDragging = false;
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var selectedNode = this._getSelectedAttr();
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var target = this._getTarget(evt);
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var hoveredNode = this._hoveredNode;
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if(selectedNode && target == selectedNode){
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this.onClick(selectedNode);
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}else if(hoveredNode && target == hoveredNode){ // drag to select
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this._setSelectedAttr(hoveredNode);
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this.onClick(hoveredNode);
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}
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},
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_onMouseOut: function(/*Event*/ /*===== evt ====*/){
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if(this._hoveredNode){
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this.onUnhover(this._hoveredNode);
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if(this._getSelectedAttr() == this._hoveredNode){
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this.onSelect(this._hoveredNode);
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}
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this._hoveredNode = null;
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}
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if(this._isDragging){
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this._cancelDrag = (new Date()).getTime() + 1000; // cancel in 1 second if no _onMouseOver fires
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}
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},
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_onMouseOver: function(/*Event*/ evt){
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if(this._cancelDrag){
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var time = (new Date()).getTime();
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if(time > this._cancelDrag){
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this._isDragging = false;
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}
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this._cancelDrag = null;
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}
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var node = this._getTarget(evt);
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if(!node){ return; }
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if(this._hoveredNode != node){
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if(this._hoveredNode){
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this._onMouseOut({ target: this._hoveredNode });
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}
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if(node && node.parentNode == this.containerNode){
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if(this._isDragging){
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this._setSelectedAttr(node);
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}else{
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this._hoveredNode = node;
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this.onHover(node);
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}
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}
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}
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}
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});
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});
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