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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
if(!dojo._hasResource["dijit._tree.dndSelector"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit._tree.dndSelector"] = true;
dojo.provide("dijit._tree.dndSelector");
dojo.require("dojo.dnd.common");
dojo.require("dijit._tree.dndContainer");
dojo.declare("dijit._tree.dndSelector",
dijit._tree.dndContainer,
{
constructor: function(tree, params){
this.selection={};
this.anchor = null;
this.simpleSelection=false;
this.events.push(
dojo.connect(this.tree.domNode, "onmousedown", this,"onMouseDown"),
dojo.connect(this.tree.domNode, "onmouseup", this,"onMouseUp")
);
},
// object attributes (for markup)
singular: false, // is singular property
// methods
getSelectedItems: function(){
var selectedItems = []
for (var i in this.selection){
selectedItems.push(dijit.getEnclosingWidget(this.selection[i]).item);
}
return selectedItems;
},
getSelectedNodes: function(){
return this.selection;
},
selectNone: function(){
// summary: unselects all items
return this._removeSelection()._removeAnchor(); // self
},
insertItems: function(item, parent){
// summary: inserts new data items (see Container's insertNodes method for details)
//we actually need to add things to the store here instead of adding noes to the tree directly
},
destroy: function(){
// summary: prepares the object to be garbage-collected
dojo.dnd.Selector.superclass.destroy.call(this);
this.selection = this.anchor = null;
},
// mouse events
onMouseDown: function(e){
// summary: event processor for onmousedown
// e: Event: mouse event
if(!this.current){ return; }
var item = dijit.getEnclosingWidget(this.current).item
var id = this.tree.model.getIdentity(item);
if (!this.current.id) {
this.current.id=id;
}
if (!this.current.type) {
this.current.type="data";
}
if(!this.singular && !dojo.dnd.getCopyKeyState(e) && !e.shiftKey && (this.current.id in this.selection)){
this.simpleSelection = true;
dojo.stopEvent(e);
return;
}
if(this.singular){
if(this.anchor == this.current){
if(dojo.dnd.getCopyKeyState(e)){
this.selectNone();
}
}else{
this.selectNone();
this.anchor = this.current;
this._addItemClass(this.anchor, "Anchor");
this.selection[this.current.id] = this.current;
}
}else{
if(!this.singular && e.shiftKey){
if (dojo.dnd.getCopyKeyState(e)){
//TODO add range to selection
}else{
//TODO select new range from anchor
}
}else{
if(dojo.dnd.getCopyKeyState(e)){
if(this.anchor == this.current){
delete this.selection[this.anchor.id];
this._removeAnchor();
}else{
if(this.current.id in this.selection){
this._removeItemClass(this.current, "Selected");
delete this.selection[this.current.id];
}else{
if(this.anchor){
this._removeItemClass(this.anchor, "Anchor");
this._addItemClass(this.anchor, "Selected");
}
this.anchor = this.current;
this._addItemClass(this.current, "Anchor");
this.selection[this.current.id] = this.current;
}
}
}else{
var item = dijit.getEnclosingWidget(this.current).item
var id = this.tree.model.getIdentity(item);
if(!(id in this.selection)){
this.selectNone();
this.anchor = this.current;
this._addItemClass(this.current, "Anchor");
this.selection[id] = this.current;
}
}
}
}
dojo.stopEvent(e);
},
onMouseMove: function() {
},
onOverEvent: function() {
this.onmousemoveEvent = dojo.connect(this.node, "onmousemove", this, "onMouseMove");
},
onMouseUp: function(e){
// summary: event processor for onmouseup
// e: Event: mouse event
if(!this.simpleSelection){ return; }
this.simpleSelection = false;
this.selectNone();
if(this.current){
this.anchor = this.current;
this._addItemClass(this.anchor, "Anchor");
this.selection[this.current.id] = this.current;
}
},
_removeSelection: function(){
// summary: unselects all items
var e = dojo.dnd._empty;
for(var i in this.selection){
if(i in e){ continue; }
var node = dojo.byId(i);
if(node){ this._removeItemClass(node, "Selected"); }
}
this.selection = {};
return this; // self
},
_removeAnchor: function(){
if(this.anchor){
this._removeItemClass(this.anchor, "Anchor");
this.anchor = null;
}
return this; // self
}
});
}
|
