root / trunk / web / dojo / dojox / mdnd / Moveable.js @ 9
History | View | Annotate | Download (3.01 KB)
1 |
/*
|
---|---|
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.Moveable"]){ |
9 |
dojo._hasResource["dojox.mdnd.Moveable"]=true; |
10 |
dojo.provide("dojox.mdnd.Moveable");
|
11 |
dojo.declare("dojox.mdnd.Moveable",null,{handle:null,skip:true,dragDistance:3,constructor:function(_1,_2){ |
12 |
this.node=dojo.byId(_2);
|
13 |
this.d=this.node.ownerDocument; |
14 |
if(!_1){
|
15 |
_1={}; |
16 |
} |
17 |
this.handle=_1.handle?dojo.byId(_1.handle):null; |
18 |
if(!this.handle){ |
19 |
this.handle=this.node; |
20 |
} |
21 |
this.skip=_1.skip;
|
22 |
this.events=[dojo.connect(this.handle,"onmousedown",this,"onMouseDown")]; |
23 |
if(dojox.mdnd.autoScroll){
|
24 |
this.autoScroll=dojox.mdnd.autoScroll;
|
25 |
} |
26 |
},isFormElement:function(e){ |
27 |
var t=e.target;
|
28 |
if(t.nodeType==3){ |
29 |
t=t.parentNode; |
30 |
} |
31 |
return " a button textarea input select option ".indexOf(" "+t.tagName.toLowerCase()+" ")>=0; |
32 |
},onMouseDown:function(e){ |
33 |
if(this._isDragging){ |
34 |
return;
|
35 |
} |
36 |
var _3=dojo.isIE?(e.button==1):(e.which==1); |
37 |
if(!_3){
|
38 |
return;
|
39 |
} |
40 |
if(this.skip&&this.isFormElement(e)){ |
41 |
return;
|
42 |
} |
43 |
if(this.autoScroll){ |
44 |
this.autoScroll.setAutoScrollNode(this.node); |
45 |
this.autoScroll.setAutoScrollMaxPage();
|
46 |
} |
47 |
this.events.push(dojo.connect(this.d,"onmouseup",this,"onMouseUp")); |
48 |
this.events.push(dojo.connect(this.d,"onmousemove",this,"onFirstMove")); |
49 |
this._selectStart=dojo.connect(dojo.body(),"onselectstart",dojo.stopEvent); |
50 |
this._firstX=e.clientX;
|
51 |
this._firstY=e.clientY;
|
52 |
dojo.stopEvent(e); |
53 |
},onFirstMove:function(e){ |
54 |
dojo.stopEvent(e); |
55 |
var d=(this._firstX-e.clientX)*(this._firstX-e.clientX)+(this._firstY-e.clientY)*(this._firstY-e.clientY); |
56 |
if(d>this.dragDistance*this.dragDistance){ |
57 |
this._isDragging=true; |
58 |
dojo.disconnect(this.events.pop());
|
59 |
dojo.style(this.node,"width",dojo.contentBox(this.node).w+"px"); |
60 |
this.initOffsetDrag(e);
|
61 |
this.events.push(dojo.connect(this.d,"onmousemove",this,"onMove")); |
62 |
} |
63 |
},initOffsetDrag:function(e){ |
64 |
this.offsetDrag={"l":e.pageX,"t":e.pageY}; |
65 |
var s=this.node.style; |
66 |
var _4=dojo.position(this.node,true); |
67 |
this.offsetDrag.l=_4.x-this.offsetDrag.l; |
68 |
this.offsetDrag.t=_4.y-this.offsetDrag.t; |
69 |
var _5={"x":_4.x,"y":_4.y}; |
70 |
this.size={"w":_4.w,"h":_4.h}; |
71 |
this.onDragStart(this.node,_5,this.size); |
72 |
},onMove:function(e){ |
73 |
dojo.stopEvent(e); |
74 |
if(dojo.isIE==8&&new Date()-this.date<20){ |
75 |
return;
|
76 |
} |
77 |
if(this.autoScroll){ |
78 |
this.autoScroll.checkAutoScroll(e);
|
79 |
} |
80 |
var _6={"x":this.offsetDrag.l+e.pageX,"y":this.offsetDrag.t+e.pageY}; |
81 |
var s=this.node.style; |
82 |
s.left=_6.x+"px";
|
83 |
s.top=_6.y+"px";
|
84 |
this.onDrag(this.node,_6,this.size,{"x":e.pageX,"y":e.pageY}); |
85 |
if(dojo.isIE==8){ |
86 |
this.date=new Date(); |
87 |
} |
88 |
},onMouseUp:function(e){ |
89 |
dojo.stopEvent(e); |
90 |
this._isDragging=false; |
91 |
if(this.autoScroll){ |
92 |
this.autoScroll.stopAutoScroll();
|
93 |
} |
94 |
dojo.disconnect(this.events.pop());
|
95 |
dojo.disconnect(this.events.pop());
|
96 |
delete this.onMove; |
97 |
this.onDragEnd(this.node); |
98 |
this.node.focus();
|
99 |
},onDragStart:function(_7,_8,_9){ |
100 |
},onDragEnd:function(_a){ |
101 |
},onDrag:function(_b,_c,_d,_e){ |
102 |
},destroy:function(){ |
103 |
dojo.forEach(this.events,dojo.disconnect);
|
104 |
this.events=this.node=null; |
105 |
}}); |
106 |
} |