1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
define("dijit/form/_ListMouseMixin", [
"dojo/_base/declare", // declare
"dojo/mouse",
"dojo/on",
"dojo/touch",
"./_ListBase"
], function(declare, mouse, on, touch, _ListBase){
// module:
// dijit/form/_ListMouseMixin
return declare( "dijit.form._ListMouseMixin", _ListBase, {
// summary:
// a Mixin to handle mouse or touch events for a focus-less menu
// Abstract methods that must be defined externally:
//
// - onClick: item was chosen (mousedown somewhere on the menu and mouseup somewhere on the menu)
// tags:
// private
postCreate: function(){
this.inherited(arguments);
this.own(on(this.domNode, touch.press, function(evt){ evt.preventDefault(); })); // prevent focus shift on list scrollbar press
this._listConnect(touch.press, "_onMouseDown");
this._listConnect(touch.release, "_onMouseUp");
this._listConnect(mouse.enter, "_onMouseOver");
this._listConnect(mouse.leave, "_onMouseOut");
},
_onMouseDown: function(/*Event*/ evt, /*DomNode*/ target){
if(this._hoveredNode){
this.onUnhover(this._hoveredNode);
this._hoveredNode = null;
}
this._isDragging = true;
this._setSelectedAttr(target);
},
_onMouseUp: function(/*Event*/ evt, /*DomNode*/ target){
this._isDragging = false;
var selectedNode = this.selected;
var hoveredNode = this._hoveredNode;
if(selectedNode && target == selectedNode){
this.onClick(selectedNode);
}else if(hoveredNode && target == hoveredNode){ // drag to select
this._setSelectedAttr(hoveredNode);
this.onClick(hoveredNode);
}
},
_onMouseOut: function(/*Event*/ evt, /*DomNode*/ target){
if(this._hoveredNode){
this.onUnhover(this._hoveredNode);
this._hoveredNode = null;
}
if(this._isDragging){
this._cancelDrag = (new Date()).getTime() + 1000; // cancel in 1 second if no _onMouseOver fires
}
},
_onMouseOver: function(/*Event*/ evt, /*DomNode*/ target){
if(this._cancelDrag){
var time = (new Date()).getTime();
if(time > this._cancelDrag){
this._isDragging = false;
}
this._cancelDrag = null;
}
this._hoveredNode = target;
this.onHover(target);
if(this._isDragging){
this._setSelectedAttr(target);
}
}
});
});
|
