lib/dojo/dnd/Moveable.js

   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["dojo.dnd.Moveable"]){
   9 dojo._hasResource["dojo.dnd.Moveable"]=true;
  10 dojo.provide("dojo.dnd.Moveable");
  11 dojo.require("dojo.dnd.Mover");
  12 dojo.declare("dojo.dnd.Moveable",null,{handle:"",delay:0,skip:false,constructor:function(_1,_2){
  13 this.node=dojo.byId(_1);
  14 if(!_2){
  15 _2={};
  16 }
  17 this.handle=_2.handle?dojo.byId(_2.handle):null;
  18 if(!this.handle){
  19 this.handle=this.node;
  20 }
  21 this.delay=_2.delay>0?_2.delay:0;
  22 this.skip=_2.skip;
  23 this.mover=_2.mover?_2.mover:dojo.dnd.Mover;
  24 this.events=[dojo.connect(this.handle,"onmousedown",this,"onMouseDown"),dojo.connect(this.handle,"ondragstart",this,"onSelectStart"),dojo.connect(this.handle,"onselectstart",this,"onSelectStart")];
  25 },markupFactory:function(_3,_4){
  26 return new dojo.dnd.Moveable(_4,_3);
  27 },destroy:function(){
  28 dojo.forEach(this.events,dojo.disconnect);
  29 this.events=this.node=this.handle=null;
  30 },onMouseDown:function(e){
  31 if(this.skip&&dojo.dnd.isFormElement(e)){
  32 return;
  33 }
  34 if(this.delay){
  35 this.events.push(dojo.connect(this.handle,"onmousemove",this,"onMouseMove"),dojo.connect(this.handle,"onmouseup",this,"onMouseUp"));
  36 this._lastX=e.pageX;
  37 this._lastY=e.pageY;
  38 }else{
  39 this.onDragDetected(e);
  40 }
  41 dojo.stopEvent(e);
  42 },onMouseMove:function(e){
  43 if(Math.abs(e.pageX-this._lastX)>this.delay||Math.abs(e.pageY-this._lastY)>this.delay){
  44 this.onMouseUp(e);
  45 this.onDragDetected(e);
  46 }
  47 dojo.stopEvent(e);
  48 },onMouseUp:function(e){
  49 for(var i=0;i<2;++i){
  50 dojo.disconnect(this.events.pop());
  51 }
  52 dojo.stopEvent(e);
  53 },onSelectStart:function(e){
  54 if(!this.skip||!dojo.dnd.isFormElement(e)){
  55 dojo.stopEvent(e);
  56 }
  57 },onDragDetected:function(e){
  58 new this.mover(this.node,e,this);
  59 },onMoveStart:function(_5){
  60 dojo.publish("/dnd/move/start",[_5]);
  61 dojo.addClass(dojo.body(),"dojoMove");
  62 dojo.addClass(this.node,"dojoMoveItem");
  63 },onMoveStop:function(_6){
  64 dojo.publish("/dnd/move/stop",[_6]);
  65 dojo.removeClass(dojo.body(),"dojoMove");
  66 dojo.removeClass(this.node,"dojoMoveItem");
  67 },onFirstMove:function(_7,e){
  68 },onMove:function(_8,_9,e){
  69 this.onMoving(_8,_9);
  70 var s=_8.node.style;
  71 s.left=_9.l+"px";
  72 s.top=_9.t+"px";
  73 this.onMoved(_8,_9);
  74 },onMoving:function(_a,_b){
  75 },onMoved:function(_c,_d){
  76 }});
  77 }