root / trunk / web / dojo / dojox / layout / dnd / PlottedDnd.js @ 12
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.layout.dnd.PlottedDnd"]){ |
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dojo._hasResource["dojox.layout.dnd.PlottedDnd"]=true; |
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dojo.provide("dojox.layout.dnd.PlottedDnd");
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dojo.require("dojo.dnd.Source");
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dojo.require("dojo.dnd.Manager");
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dojo.require("dojox.layout.dnd.Avatar");
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dojo.declare("dojox.layout.dnd.PlottedDnd",[dojo.dnd.Source],{GC_OFFSET_X:dojo.dnd.manager().OFFSET_X,GC_OFFSET_Y:dojo.dnd.manager().OFFSET_Y,constructor:function(_1,_2){ |
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this.childBoxes=null; |
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this.dropIndicator=new dojox.layout.dnd.DropIndicator("dndDropIndicator","div"); |
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this.withHandles=_2.withHandles;
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this.handleClasses=_2.handleClasses;
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this.opacity=_2.opacity;
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this.allowAutoScroll=_2.allowAutoScroll;
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this.dom=_2.dom;
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this.singular=true; |
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this.skipForm=true; |
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this._over=false; |
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this.defaultHandleClass="GcDndHandle"; |
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this.isDropped=false; |
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this._timer=null; |
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this.isOffset=(_2.isOffset)?true:false; |
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this.offsetDrag=(_2.offsetDrag)?_2.offsetDrag:{x:0,y:0}; |
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this.hideSource=_2.hideSource?_2.hideSource:true; |
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this._drop=this.dropIndicator.create(); |
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},_calculateCoords:function(_3){ |
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dojo.forEach(this.node.childNodes,function(_4){ |
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var c=dojo.coords(_4,true); |
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_4.coords={xy:c,w:_4.offsetWidth/2,h:_4.offsetHeight/2,mw:c.w};
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if(_3){
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_4.coords.mh=c.h; |
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} |
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},this);
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},_legalMouseDown:function(e){ |
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if(!this.withHandles){ |
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return true; |
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} |
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for(var _5=(e.target);_5&&_5!=this.node;_5=_5.parentNode){ |
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if(dojo.hasClass(_5,this.defaultHandleClass)){ |
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return true; |
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} |
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} |
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return false; |
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},setDndItemSelectable:function(_6,_7){ |
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for(var _8=_6;_8&&_6!=this.node;_8=_8.parentNode){ |
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if(dojo.hasClass(_8,"dojoDndItem")){ |
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dojo.setSelectable(_8,_7); |
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return;
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} |
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} |
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},getDraggedWidget:function(_9){ |
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var _a=_9;
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while(_a&&_a.nodeName.toLowerCase()!="body"&&!dojo.hasClass(_a,"dojoDndItem")){ |
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_a=_a.parentNode; |
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} |
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return (_a)?dijit.byNode(_a):null; |
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},isAccepted:function(_b){ |
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var _c=(_b)?_b.getAttribute("dndtype"):null; |
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return (_c&&_c in this.accept); |
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},onDndStart:function(_d,_e,_f){ |
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this.firstIndicator=(_d==this); |
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this._calculateCoords(true); |
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var m=dojo.dnd.manager();
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if(_e[0].coords){ |
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this._drop.style.height=_e[0].coords.mh+"px"; |
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dojo.style(m.avatar.node,"width",_e[0].coords.mw+"px"); |
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}else{
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this._drop.style.height=m.avatar.node.clientHeight+"px"; |
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} |
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this.dndNodes=_e;
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dojox.layout.dnd.PlottedDnd.superclass.onDndStart.call(this,_d,_e,_f);
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if(_d==this&&this.hideSource){ |
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dojo.forEach(_e,function(n){
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dojo.style(n,"display","none"); |
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}); |
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} |
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},onDndCancel:function(){ |
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var m=dojo.dnd.manager();
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if(m.source==this&&this.hideSource){ |
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var _10=this.getSelectedNodes(); |
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dojo.forEach(_10,function(n){
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dojo.style(n,"display",""); |
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}); |
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} |
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dojox.layout.dnd.PlottedDnd.superclass.onDndCancel.call(this);
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this.deleteDashedZone();
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},onDndDrop:function(_11,_12,_13,_14){ |
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try{
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if(!this.isAccepted(_12[0])){ |
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this.onDndCancel();
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}else{
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if(_11==this&&this._over&&this.dropObject){ |
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this.current=this.dropObject.c; |
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} |
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dojox.layout.dnd.PlottedDnd.superclass.onDndDrop.call(this,_11,_12,_13,_14);
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this._calculateCoords(true); |
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} |
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} |
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catch(e){
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console.warn(e); |
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} |
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},onMouseDown:function(e){ |
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if(this.current==null){ |
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this.selection={};
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}else{
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if(this.current==this.anchor){ |
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this.anchor=null; |
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} |
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} |
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if(this.current!==null){ |
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var c=dojo.coords(this.current,true); |
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this.current.coords={xy:c,w:this.current.offsetWidth/2,h:this.current.offsetHeight/2,mh:c.h,mw:c.w}; |
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this._drop.style.height=this.current.coords.mh+"px"; |
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if(this.isOffset){ |
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if(this.offsetDrag.x==0&&this.offsetDrag.y==0){ |
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var _15=true; |
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var _16=dojo.coords(this._getChildByEvent(e)); |
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this.offsetDrag.x=_16.x-e.pageX;
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this.offsetDrag.y=_16.y-e.clientY;
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} |
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if(this.offsetDrag.y<16&&this.current!=null){ |
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this.offsetDrag.y=this.GC_OFFSET_Y; |
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} |
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var m=dojo.dnd.manager();
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m.OFFSET_X=this.offsetDrag.x;
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m.OFFSET_Y=this.offsetDrag.y;
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if(_15){
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this.offsetDrag.x=0; |
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this.offsetDrag.y=0; |
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} |
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} |
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} |
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if(dojo.dnd.isFormElement(e)){
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this.setDndItemSelectable(e.target,true); |
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}else{
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this.containerSource=true; |
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var _17=this.getDraggedWidget(e.target); |
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if(_17&&_17.dragRestriction){
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}else{
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dojox.layout.dnd.PlottedDnd.superclass.onMouseDown.call(this,e);
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} |
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} |
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},onMouseUp:function(e){ |
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dojox.layout.dnd.PlottedDnd.superclass.onMouseUp.call(this,e);
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this.containerSource=false; |
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if(!dojo.isIE&&this.mouseDown){ |
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this.setDndItemSelectable(e.target,true); |
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} |
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var m=dojo.dnd.manager();
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m.OFFSET_X=this.GC_OFFSET_X;
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m.OFFSET_Y=this.GC_OFFSET_Y;
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},onMouseMove:function(e){ |
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var m=dojo.dnd.manager();
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if(this.isDragging){ |
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var _18=false; |
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if(this.current!=null||(this.current==null&&!this.dropObject)){ |
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if(this.isAccepted(m.nodes[0])||this.containerSource){ |
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_18=this.setIndicatorPosition(e);
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} |
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} |
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if(this.current!=this.targetAnchor||_18!=this.before){ |
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this._markTargetAnchor(_18);
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m.canDrop(!this.current||m.source!=this||!(this.current.id in this.selection)); |
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} |
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if(this.allowAutoScroll){ |
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this._checkAutoScroll(e);
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} |
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}else{
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if(this.mouseDown&&this.isSource){ |
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var _19=this.getSelectedNodes(); |
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if(_19.length){
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m.startDrag(this,_19,this.copyState(dojo.isCopyKey(e))); |
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} |
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} |
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if(this.allowAutoScroll){ |
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this._stopAutoScroll();
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} |
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} |
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},_markTargetAnchor:function(_1a){ |
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if(this.current==this.targetAnchor&&this.before==_1a){ |
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return;
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} |
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this.targetAnchor=this.current; |
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this.targetBox=null; |
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this.before=_1a;
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},_unmarkTargetAnchor:function(){ |
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if(!this.targetAnchor){ |
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return;
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} |
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this.targetAnchor=null; |
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this.targetBox=null; |
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this.before=true; |
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},setIndicatorPosition:function(e){ |
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var _1b=false; |
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if(this.current){ |
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if(!this.current.coords||this.allowAutoScroll){ |
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this.current.coords={xy:dojo.coords(this.current,true),w:this.current.offsetWidth/2,h:this.current.offsetHeight/2}; |
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} |
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_1b=this.horizontal?(e.pageX-this.current.coords.xy.x)<this.current.coords.w:(e.pageY-this.current.coords.xy.y)<this.current.coords.h; |
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this.insertDashedZone(_1b);
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}else{
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if(!this.dropObject){ |
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this.insertDashedZone(false); |
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} |
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} |
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return _1b;
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},onOverEvent:function(){ |
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this._over=true; |
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dojox.layout.dnd.PlottedDnd.superclass.onOverEvent.call(this);
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if(this.isDragging){ |
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var m=dojo.dnd.manager();
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if(!this.current&&!this.dropObject&&this.getSelectedNodes()[0]&&this.isAccepted(m.nodes[0])){ |
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this.insertDashedZone(false); |
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} |
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} |
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},onOutEvent:function(){ |
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this._over=false; |
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this.containerSource=false; |
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dojox.layout.dnd.PlottedDnd.superclass.onOutEvent.call(this);
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if(this.dropObject){ |
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this.deleteDashedZone();
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} |
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},deleteDashedZone:function(){ |
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this._drop.style.display="none"; |
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var _1c=this._drop.nextSibling; |
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while(_1c!=null){ |
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_1c.coords.xy.y-=parseInt(this._drop.style.height);
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_1c=_1c.nextSibling; |
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} |
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delete this.dropObject; |
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},insertDashedZone:function(_1d){ |
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if(this.dropObject){ |
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if(_1d==this.dropObject.b&&((this.current&&this.dropObject.c==this.current.id)||(!this.current&&!this.dropObject.c))){ |
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return;
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}else{
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this.deleteDashedZone();
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} |
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} |
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this.dropObject={n:this._drop,c:this.current?this.current.id:null,b:_1d}; |
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if(this.current){ |
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dojo.place(this._drop,this.current,_1d?"before":"after"); |
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if(!this.firstIndicator){ |
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var _1e=this._drop.nextSibling; |
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while(_1e!=null){ |
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_1e.coords.xy.y+=parseInt(this._drop.style.height);
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_1e=_1e.nextSibling; |
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} |
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}else{
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this.firstIndicator=false; |
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} |
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}else{
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this.node.appendChild(this._drop); |
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} |
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this._drop.style.display=""; |
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},insertNodes:function(_1f,_20,_21,_22){ |
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if(this.dropObject){ |
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dojo.style(this.dropObject.n,"display","none"); |
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dojox.layout.dnd.PlottedDnd.superclass.insertNodes.call(this,true,_20,true,this.dropObject.n); |
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this.deleteDashedZone();
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}else{
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return dojox.layout.dnd.PlottedDnd.superclass.insertNodes.call(this,_1f,_20,_21,_22); |
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} |
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var _23=dijit.byId(_20[0].getAttribute("widgetId")); |
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if(_23){
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dojox.layout.dnd._setGcDndHandle(_23,this.withHandles,this.handleClasses); |
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if(this.hideSource){ |
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dojo.style(_23.domNode,"display",""); |
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} |
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} |
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},_checkAutoScroll:function(e){ |
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if(this._timer){ |
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clearTimeout(this._timer);
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} |
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this._stopAutoScroll();
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var _24=this.dom,y=this._sumAncestorProperties(_24,"offsetTop"); |
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if((e.pageY-_24.offsetTop+30)>_24.clientHeight){ |
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this.autoScrollActive=true; |
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this._autoScrollDown(_24);
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}else{
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if((_24.scrollTop>0)&&(e.pageY-y)<30){ |
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this.autoScrollActive=true; |
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this._autoScrollUp(_24);
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} |
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} |
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},_autoScrollUp:function(_25){ |
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if(this.autoScrollActive&&_25.scrollTop>0){ |
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_25.scrollTop-=30;
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this._timer=setTimeout(dojo.hitch(this,"_autoScrollUp",_25),100); |
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} |
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},_autoScrollDown:function(_26){ |
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if(this.autoScrollActive&&(_26.scrollTop<(_26.scrollHeight-_26.clientHeight))){ |
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_26.scrollTop+=30;
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this._timer=setTimeout(dojo.hitch(this,"_autoScrollDown",_26),100); |
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} |
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},_stopAutoScroll:function(){ |
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this.autoScrollActive=false; |
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},_sumAncestorProperties:function(_27,_28){ |
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_27=dojo.byId(_27); |
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if(!_27){
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return 0; |
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} |
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var _29=0; |
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while(_27){
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var val=_27[_28];
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if(val){
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_29+=val-0;
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if(_27==dojo.body()){
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break;
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} |
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} |
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_27=_27.parentNode; |
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} |
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return _29;
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}}); |
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dojox.layout.dnd._setGcDndHandle=function(_2a,_2b,_2c,_2d){ |
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var cls="GcDndHandle"; |
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if(!_2d){
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dojo.query(".GcDndHandle",_2a.domNode).removeClass(cls);
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} |
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if(!_2b){
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dojo.addClass(_2a.domNode,cls); |
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}else{
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var _2e=false; |
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for(var i=_2c.length-1;i>=0;i--){ |
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var _2f=dojo.query("."+_2c[i],_2a.domNode)[0]; |
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if(_2f){
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_2e=true;
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if(_2c[i]!=cls){
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var _30=dojo.query("."+cls,_2a.domNode); |
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if(_30.length==0){ |
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dojo.removeClass(_2a.domNode,cls); |
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}else{
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_30.removeClass(cls); |
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} |
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dojo.addClass(_2f,cls); |
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} |
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} |
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} |
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if(!_2e){
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dojo.addClass(_2a.domNode,cls); |
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} |
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} |
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}; |
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dojo.declare("dojox.layout.dnd.DropIndicator",null,{constructor:function(cn,tag){ |
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this.tag=tag||"div"; |
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this.style=cn||null; |
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},isInserted:function(){ |
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return (this.node.parentNode&&this.node.parentNode.nodeType==1); |
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},create:function(){ |
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if(this.node&&this.isInserted()){ |
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return this.node; |
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} |
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var h="90px",el=dojo.doc.createElement(this.tag); |
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if(this.style){ |
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el.className=this.style;
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el.style.height=h; |
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}else{
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dojo.style(el,{position:"relative",border:"1px dashed #F60",margin:"2px",height:h});
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} |
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this.node=el;
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return el;
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},destroy:function(){ |
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if(!this.node||!this.isInserted()){ |
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return;
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} |
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this.node.parentNode.removeChild(this.node); |
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this.node=null; |
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}}); |
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dojo.extend(dojo.dnd.Manager,{canDrop:function(_31){
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var _32=this.target&&_31; |
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if(this.canDropFlag!=_32){ |
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this.canDropFlag=_32;
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if(this.avatar){ |
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this.avatar.update();
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} |
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} |
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},makeAvatar:function(){ |
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return (this.source.declaredClass=="dojox.layout.dnd.PlottedDnd")?new dojox.layout.dnd.Avatar(this,this.source.opacity):new dojo.dnd.Avatar(this); |
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}}); |
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if(dojo.isIE){
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dojox.layout.dnd.handdleIE=[dojo.subscribe("/dnd/start",null,function(){ |
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IEonselectstart=document.body.onselectstart; |
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document.body.onselectstart=function(){ |
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return false; |
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}; |
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}),dojo.subscribe("/dnd/cancel",null,function(){ |
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document.body.onselectstart=IEonselectstart; |
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}),dojo.subscribe("/dnd/drop",null,function(){ |
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document.body.onselectstart=IEonselectstart; |
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})]; |
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dojo.addOnWindowUnload(function(){
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dojo.forEach(dojox.layout.dnd.handdleIE,dojo.unsubscribe); |
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}); |
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} |
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} |