Project

General

Profile

Statistics
| Revision:

root / trunk / web / dojo / dojox / mdnd / adapter / DndFromDojo.js

History | View | Annotate | Download (5.37 KB)

1 9 andrej.cim
/*
2
        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
3
        Available via Academic Free License >= 2.1 OR the modified BSD license.
4
        see: http://dojotoolkit.org/license for details
5
*/
6
7
8
if(!dojo._hasResource["dojox.mdnd.adapter.DndFromDojo"]){
9
dojo._hasResource["dojox.mdnd.adapter.DndFromDojo"]=true;
10
dojo.provide("dojox.mdnd.adapter.DndFromDojo");
11
dojo.require("dojox.mdnd.AreaManager");
12
dojo.require("dojo.dnd.Manager");
13
dojo.declare("dojox.mdnd.adapter.DndFromDojo",null,{dropIndicatorSize:{"w":0,"h":50},dropIndicatorSize:{"w":0,"h":50},_areaManager:null,_dojoManager:null,_currentArea:null,_oldArea:null,_moveHandler:null,_subscribeHandler:null,constructor:function(){
14
this._areaManager=dojox.mdnd.areaManager();
15
this._dojoManager=dojo.dnd.manager();
16
this._currentArea=null;
17
this._moveHandler=null;
18
this.subscribeDnd();
19
},subscribeDnd:function(){
20
this._subscribeHandler=[dojo.subscribe("/dnd/start",this,"onDragStart"),dojo.subscribe("/dnd/drop/before",this,"onDrop"),dojo.subscribe("/dnd/cancel",this,"onDropCancel"),dojo.subscribe("/dnd/source/over",this,"onDndSource")];
21
},unsubscribeDnd:function(){
22
dojo.forEach(this._subscribeHandler,dojo.unsubscribe);
23
},_getHoverArea:function(_1){
24
var x=_1.x;
25
var y=_1.y;
26
this._oldArea=this._currentArea;
27
this._currentArea=null;
28
var _2=this._areaManager._areaList;
29
for(var i=0;i<_2.length;i++){
30
var _3=_2[i];
31
var _4=_3.coords.x;
32
var _5=_4+_3.node.offsetWidth;
33
var _6=_3.coords.y;
34
var _7=_6+_3.node.offsetHeight;
35
if(_4<=x&&x<=_5&&_6<=y&&y<=_7){
36
this._areaManager._oldIndexArea=this._areaManager._currentIndexArea;
37
this._areaManager._currentIndexArea=i;
38
this._currentArea=_3.node;
39
break;
40
}
41
}
42
if(this._currentArea!=this._oldArea){
43
if(this._currentArea==null){
44
this.onDragExit();
45
}else{
46
if(this._oldArea==null){
47
this.onDragEnter();
48
}else{
49
this.onDragExit();
50
this.onDragEnter();
51
}
52
}
53
}
54
},onDragStart:function(_8,_9,_a){
55
this._dragNode=_9[0];
56
this._copy=_a;
57
this._source=_8;
58
this._outSourceHandler=dojo.connect(this._dojoManager,"outSource",this,function(){
59
if(this._moveHandler==null){
60
this._moveHandler=dojo.connect(dojo.doc,"mousemove",this,"onMouseMove");
61
}
62
});
63
},onMouseMove:function(e){
64
var _b={"x":e.pageX,"y":e.pageY};
65
this._getHoverArea(_b);
66
if(this._currentArea&&this._areaManager._accept){
67
if(this._areaManager._dropIndicator.node.style.visibility=="hidden"){
68
this._areaManager._dropIndicator.node.style.visibility="";
69
dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop");
70
}
71
this._areaManager.placeDropIndicator(_b,this.dropIndicatorSize);
72
}
73
},onDragEnter:function(){
74
var _c=this._dragNode.getAttribute("dndType");
75
var _d=(_c)?_c.split(/\s*,\s*/):["text"];
76
this._areaManager._isAccepted(_d,this._areaManager._areaList[this._areaManager._currentIndexArea].accept);
77
if(this._dojoManager.avatar){
78
if(this._areaManager._accept){
79
dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop");
80
}else{
81
dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop");
82
}
83
}
84
},onDragExit:function(){
85
this._areaManager._accept=false;
86
if(this._dojoManager.avatar){
87
dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop");
88
}
89
if(this._currentArea==null){
90
this._areaManager._dropMode.refreshItems(this._areaManager._areaList[this._areaManager._oldIndexArea],this._areaManager._oldDropIndex,this.dropIndicatorSize,false);
91
this._areaManager._resetAfterDrop();
92
}else{
93
this._areaManager._dropIndicator.remove();
94
}
95
},isAccepted:function(_e,_f){
96
var _10=(_e.getAttribute("dndType"))?_e.getAttribute("dndType"):"text";
97
if(_10&&_10 in _f){
98
return true;
99
}else{
100
return false;
101
}
102
},onDndSource:function(_11){
103
if(this._currentArea==null){
104
return;
105
}
106
if(_11){
107
var _12=false;
108
if(this._dojoManager.target==_11){
109
_12=true;
110
}else{
111
_12=this.isAccepted(this._dragNode,_11.accept);
112
}
113
if(_12){
114
dojo.disconnect(this._moveHandler);
115
this._currentArea=this._moveHandler=null;
116
var _13=this._areaManager._dropIndicator.node;
117
if(_13&&_13.parentNode!==null&&_13.parentNode.nodeType==1){
118
_13.style.visibility="hidden";
119
}
120
}else{
121
this._resetAvatar();
122
}
123
}else{
124
if(!this._moveHandler){
125
this._moveHandler=dojo.connect(dojo.doc,"mousemove",this,"onMouseMove");
126
}
127
this._resetAvatar();
128
}
129
},_resetAvatar:function(){
130
if(this._dojoManager.avatar){
131
if(this._areaManager._accept){
132
dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop");
133
}else{
134
dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop");
135
}
136
}
137
},onDropCancel:function(){
138
if(this._currentArea==null){
139
this._areaManager._resetAfterDrop();
140
dojo.disconnect(this._moveHandler);
141
dojo.disconnect(this._outSourceHandler);
142
this._currentArea=this._moveHandler=this._outSourceHandler=null;
143
}else{
144
if(this._areaManager._accept){
145
this.onDrop(this._source,[this._dragNode],this._copy,this._currentArea);
146
}else{
147
this._currentArea=null;
148
dojo.disconnect(this._outSourceHandler);
149
dojo.disconnect(this._moveHandler);
150
this._moveHandler=this._outSourceHandler=null;
151
}
152
}
153
},onDrop:function(_14,_15,_16){
154
dojo.disconnect(this._moveHandler);
155
dojo.disconnect(this._outSourceHandler);
156
this._moveHandler=this._outSourceHandler=null;
157
if(this._currentArea){
158
var _17=this._areaManager._currentDropIndex;
159
dojo.publish("/dnd/drop/after",[_14,_15,_16,this._currentArea,_17]);
160
this._currentArea=null;
161
}
162
if(this._areaManager._dropIndicator.node.style.visibility=="hidden"){
163
this._areaManager._dropIndicator.node.style.visibility="";
164
}
165
this._areaManager._resetAfterDrop();
166
}});
167
dojox.mdnd.adapter._dndFromDojo=null;
168
(function(){
169
dojox.mdnd.adapter._dndFromDojo=new dojox.mdnd.adapter.DndFromDojo();
170
}());
171
}