root / trunk / web / dojo / dojox / mdnd / Moveable.js @ 12
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.mdnd.Moveable"]){ |
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| 9 | dojo._hasResource["dojox.mdnd.Moveable"]=true; |
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| 10 | dojo.provide("dojox.mdnd.Moveable");
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| 11 | dojo.declare("dojox.mdnd.Moveable",null,{handle:null,skip:true,dragDistance:3,constructor:function(_1,_2){ |
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| 12 | this.node=dojo.byId(_2);
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| 13 | this.d=this.node.ownerDocument; |
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| 14 | if(!_1){
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| 15 | _1={};
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| 16 | } |
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| 17 | this.handle=_1.handle?dojo.byId(_1.handle):null; |
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| 18 | if(!this.handle){ |
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| 19 | this.handle=this.node; |
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| 20 | } |
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| 21 | this.skip=_1.skip;
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| 22 | this.events=[dojo.connect(this.handle,"onmousedown",this,"onMouseDown")]; |
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| 23 | if(dojox.mdnd.autoScroll){
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| 24 | this.autoScroll=dojox.mdnd.autoScroll;
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| 25 | } |
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| 26 | },isFormElement:function(e){ |
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| 27 | var t=e.target;
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| 28 | if(t.nodeType==3){ |
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| 29 | t=t.parentNode; |
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| 30 | } |
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| 31 | return " a button textarea input select option ".indexOf(" "+t.tagName.toLowerCase()+" ")>=0; |
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| 32 | },onMouseDown:function(e){ |
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| 33 | if(this._isDragging){ |
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| 34 | return;
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| 35 | } |
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| 36 | var _3=dojo.isIE?(e.button==1):(e.which==1); |
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| 37 | if(!_3){
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| 38 | return;
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| 39 | } |
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| 40 | if(this.skip&&this.isFormElement(e)){ |
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| 41 | return;
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| 42 | } |
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| 43 | if(this.autoScroll){ |
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| 44 | this.autoScroll.setAutoScrollNode(this.node); |
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| 45 | this.autoScroll.setAutoScrollMaxPage();
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| 46 | } |
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| 47 | this.events.push(dojo.connect(this.d,"onmouseup",this,"onMouseUp")); |
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| 48 | this.events.push(dojo.connect(this.d,"onmousemove",this,"onFirstMove")); |
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| 49 | this._selectStart=dojo.connect(dojo.body(),"onselectstart",dojo.stopEvent); |
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| 50 | this._firstX=e.clientX;
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| 51 | this._firstY=e.clientY;
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| 52 | dojo.stopEvent(e); |
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| 53 | },onFirstMove:function(e){ |
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| 54 | dojo.stopEvent(e); |
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| 55 | var d=(this._firstX-e.clientX)*(this._firstX-e.clientX)+(this._firstY-e.clientY)*(this._firstY-e.clientY); |
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| 56 | if(d>this.dragDistance*this.dragDistance){ |
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| 57 | this._isDragging=true; |
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| 58 | dojo.disconnect(this.events.pop());
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| 59 | dojo.style(this.node,"width",dojo.contentBox(this.node).w+"px"); |
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| 60 | this.initOffsetDrag(e);
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| 61 | this.events.push(dojo.connect(this.d,"onmousemove",this,"onMove")); |
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| 62 | } |
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| 63 | },initOffsetDrag:function(e){ |
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| 64 | this.offsetDrag={"l":e.pageX,"t":e.pageY}; |
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| 65 | var s=this.node.style; |
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| 66 | var _4=dojo.position(this.node,true); |
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| 67 | this.offsetDrag.l=_4.x-this.offsetDrag.l; |
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| 68 | this.offsetDrag.t=_4.y-this.offsetDrag.t; |
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| 69 | var _5={"x":_4.x,"y":_4.y}; |
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| 70 | this.size={"w":_4.w,"h":_4.h}; |
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| 71 | this.onDragStart(this.node,_5,this.size); |
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| 72 | },onMove:function(e){ |
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| 73 | dojo.stopEvent(e); |
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| 74 | if(dojo.isIE==8&&new Date()-this.date<20){ |
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| 75 | return;
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| 76 | } |
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| 77 | if(this.autoScroll){ |
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| 78 | this.autoScroll.checkAutoScroll(e);
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| 79 | } |
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| 80 | var _6={"x":this.offsetDrag.l+e.pageX,"y":this.offsetDrag.t+e.pageY}; |
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| 81 | var s=this.node.style; |
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| 82 | s.left=_6.x+"px";
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| 83 | s.top=_6.y+"px";
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| 84 | this.onDrag(this.node,_6,this.size,{"x":e.pageX,"y":e.pageY}); |
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| 85 | if(dojo.isIE==8){ |
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| 86 | this.date=new Date(); |
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| 87 | } |
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| 88 | },onMouseUp:function(e){ |
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| 89 | dojo.stopEvent(e); |
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| 90 | this._isDragging=false; |
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| 91 | if(this.autoScroll){ |
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| 92 | this.autoScroll.stopAutoScroll();
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| 93 | } |
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| 94 | dojo.disconnect(this.events.pop());
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| 95 | dojo.disconnect(this.events.pop());
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| 96 | delete this.onMove; |
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| 97 | this.onDragEnd(this.node); |
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| 98 | this.node.focus();
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| 99 | },onDragStart:function(_7,_8,_9){ |
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| 100 | },onDragEnd:function(_a){ |
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| 101 | },onDrag:function(_b,_c,_d,_e){ |
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| 102 | },destroy:function(){ |
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| 103 | dojo.forEach(this.events,dojo.disconnect);
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| 104 | this.events=this.node=null; |
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| 105 | }}); |
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| 106 | } |