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PlottedDnd.js

PlottedDnd.js 10 KB
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  1. /*
    2. 

  2. 	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
    3. 

  3. 	Available via Academic Free License >= 2.1 OR the modified BSD license.
    4. 

  4. 	see: http://dojotoolkit.org/license for details
    5. 

  5. */
    6. 

  6. 

  7. 

  8. if(!dojo._hasResource["dojox.layout.dnd.PlottedDnd"]){dojo._hasResource["dojox.layout.dnd.PlottedDnd"]=true;dojo.provide("dojox.layout.dnd.PlottedDnd");dojo.require("dojo.dnd.Source");dojo.require("dojo.dnd.Manager");dojo.require("dojox.layout.dnd.Avatar");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){this.childBoxes=null;this.dropIndicator=new dojox.layout.dnd.DropIndicator("dndDropIndicator","div");this.withHandles=_2.withHandles;this.handleClasses=_2.handleClasses;this.opacity=_2.opacity;this.allowAutoScroll=_2.allowAutoScroll;this.dom=_2.dom;this.singular=true;this.skipForm=true;this._over=false;this.defaultHandleClass="GcDndHandle";this.isDropped=false;this._timer=null;this.isOffset=(_2.isOffset)?true:false;this.offsetDrag=(_2.offsetDrag)?_2.offsetDrag:{x:0,y:0};this.hideSource=_2.hideSource?_2.hideSource:true;this._drop=this.dropIndicator.create();},_calculateCoords:function(_3){dojo.forEach(this.node.childNodes,function(_4){var c=dojo.coords(_4,true);_4.coords={xy:c,w:_4.offsetWidth/2,h:_4.offsetHeight/2,mw:c.w};if(_3){_4.coords.mh=c.h;}},this);},_legalMouseDown:function(e){if(!this.withHandles){return true;}for(var _5=(e.target);_5&&_5!=this.node;_5=_5.parentNode){if(dojo.hasClass(_5,this.defaultHandleClass)){return true;}}return false;},setDndItemSelectable:function(_6,_7){for(var _8=_6;_8&&_6!=this.node;_8=_8.parentNode){if(dojo.hasClass(_8,"dojoDndItem")){dojo.setSelectable(_8,_7);return;}}},getDraggedWidget:function(_9){var _a=_9;while(_a&&_a.nodeName.toLowerCase()!="body"&&!dojo.hasClass(_a,"dojoDndItem")){_a=_a.parentNode;}return (_a)?dijit.byNode(_a):null;},isAccepted:function(_b){var _c=(_b)?_b.getAttribute("dndtype"):null;return (_c&&_c in this.accept);},onDndStart:function(_d,_e,_f){this.firstIndicator=(_d==this);this._calculateCoords(true);var m=dojo.dnd.manager();if(_e[0].coords){this._drop.style.height=_e[0].coords.mh+"px";dojo.style(m.avatar.node,"width",_e[0].coords.mw+"px");}else{this._drop.style.height=m.avatar.node.clientHeight+"px";}this.dndNodes=_e;dojox.layout.dnd.PlottedDnd.superclass.onDndStart.call(this,_d,_e,_f);if(_d==this&&this.hideSource){dojo.forEach(_e,function(n){dojo.style(n,"display","none");});}},onDndCancel:function(){var m=dojo.dnd.manager();if(m.source==this&&this.hideSource){var _10=this.getSelectedNodes();dojo.forEach(_10,function(n){dojo.style(n,"display","");});}dojox.layout.dnd.PlottedDnd.superclass.onDndCancel.call(this);this.deleteDashedZone();},onDndDrop:function(_11,_12,_13,_14){try{if(!this.isAccepted(_12[0])){this.onDndCancel();}else{if(_11==this&&this._over&&this.dropObject){this.current=this.dropObject.c;}dojox.layout.dnd.PlottedDnd.superclass.onDndDrop.call(this,_11,_12,_13,_14);this._calculateCoords(true);}}catch(e){console.warn(e);}},onMouseDown:function(e){if(this.current==null){this.selection={};}else{if(this.current==this.anchor){this.anchor=null;}}if(this.current!==null){var c=dojo.coords(this.current,true);this.current.coords={xy:c,w:this.current.offsetWidth/2,h:this.current.offsetHeight/2,mh:c.h,mw:c.w};this._drop.style.height=this.current.coords.mh+"px";if(this.isOffset){if(this.offsetDrag.x==0&&this.offsetDrag.y==0){var _15=true;var _16=dojo.coords(this._getChildByEvent(e));this.offsetDrag.x=_16.x-e.pageX;this.offsetDrag.y=_16.y-e.clientY;}if(this.offsetDrag.y<16&&this.current!=null){this.offsetDrag.y=this.GC_OFFSET_Y;}var m=dojo.dnd.manager();m.OFFSET_X=this.offsetDrag.x;m.OFFSET_Y=this.offsetDrag.y;if(_15){this.offsetDrag.x=0;this.offsetDrag.y=0;}}}if(dojo.dnd.isFormElement(e)){this.setDndItemSelectable(e.target,true);}else{this.containerSource=true;var _17=this.getDraggedWidget(e.target);if(_17&&_17.dragRestriction){}else{dojox.layout.dnd.PlottedDnd.superclass.onMouseDown.call(this,e);}}},onMouseUp:function(e){dojox.layout.dnd.PlottedDnd.superclass.onMouseUp.call(this,e);this.containerSource=false;if(!dojo.isIE&&this.mouseDown){this.setDndItemSelectable(e.target,true);}var m=dojo.dnd.manager();m.OFFSET_X=this.GC_OFFSET_X;m.OFFSET_Y=this.GC_OFFSET_Y;},onMouseMove:function(e){var m=dojo.dnd.manager();if(this.isDragging){var _18=false;if(this.current!=null||(this.current==null&&!this.dropObject)){if(this.isAccepted(m.nodes[0])||this.containerSource){_18=this.setIndicatorPosition(e);}}if(this.current!=this.targetAnchor||_18!=this.before){this._markTargetAnchor(_18);m.canDrop(!this.current||m.source!=this||!(this.current.id in this.selection));}if(this.allowAutoScroll){this._checkAutoScroll(e);}}else{if(this.mouseDown&&this.isSource){var _19=this.getSelectedNodes();if(_19.length){m.startDrag(this,_19,this.copyState(dojo.isCopyKey(e)));}}if(this.allowAutoScroll){this._stopAutoScroll();}}},_markTargetAnchor:function(_1a){if(this.current==this.targetAnchor&&this.before==_1a){return;}this.targetAnchor=this.current;this.targetBox=null;this.before=_1a;},_unmarkTargetAnchor:function(){if(!this.targetAnchor){return;}this.targetAnchor=null;this.targetBox=null;this.before=true;},setIndicatorPosition:function(e){var _1b=false;if(this.current){if(!this.current.coords||this.allowAutoScroll){this.current.coords={xy:dojo.coords(this.current,true),w:this.current.offsetWidth/2,h:this.current.offsetHeight/2};}_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;this.insertDashedZone(_1b);}else{if(!this.dropObject){this.insertDashedZone(false);}}return _1b;},onOverEvent:function(){this._over=true;dojox.layout.dnd.PlottedDnd.superclass.onOverEvent.call(this);if(this.isDragging){var m=dojo.dnd.manager();if(!this.current&&!this.dropObject&&this.getSelectedNodes()[0]&&this.isAccepted(m.nodes[0])){this.insertDashedZone(false);}}},onOutEvent:function(){this._over=false;this.containerSource=false;dojox.layout.dnd.PlottedDnd.superclass.onOutEvent.call(this);if(this.dropObject){this.deleteDashedZone();}},deleteDashedZone:function(){this._drop.style.display="none";var _1c=this._drop.nextSibling;while(_1c!=null){_1c.coords.xy.y-=parseInt(this._drop.style.height);_1c=_1c.nextSibling;}delete this.dropObject;},insertDashedZone:function(_1d){if(this.dropObject){if(_1d==this.dropObject.b&&((this.current&&this.dropObject.c==this.current.id)||(!this.current&&!this.dropObject.c))){return;}else{this.deleteDashedZone();}}this.dropObject={n:this._drop,c:this.current?this.current.id:null,b:_1d};if(this.current){dojo.place(this._drop,this.current,_1d?"before":"after");if(!this.firstIndicator){var _1e=this._drop.nextSibling;while(_1e!=null){_1e.coords.xy.y+=parseInt(this._drop.style.height);_1e=_1e.nextSibling;}}else{this.firstIndicator=false;}}else{this.node.appendChild(this._drop);}this._drop.style.display="";},insertNodes:function(_1f,_20,_21,_22){if(this.dropObject){dojo.style(this.dropObject.n,"display","none");dojox.layout.dnd.PlottedDnd.superclass.insertNodes.call(this,true,_20,true,this.dropObject.n);this.deleteDashedZone();}else{return dojox.layout.dnd.PlottedDnd.superclass.insertNodes.call(this,_1f,_20,_21,_22);}var _23=dijit.byId(_20[0].getAttribute("widgetId"));if(_23){dojox.layout.dnd._setGcDndHandle(_23,this.withHandles,this.handleClasses);if(this.hideSource){dojo.style(_23.domNode,"display","");}}},_checkAutoScroll:function(e){if(this._timer){clearTimeout(this._timer);}this._stopAutoScroll();var _24=this.dom,y=this._sumAncestorProperties(_24,"offsetTop");if((e.pageY-_24.offsetTop+30)>_24.clientHeight){this.autoScrollActive=true;this._autoScrollDown(_24);}else{if((_24.scrollTop>0)&&(e.pageY-y)<30){this.autoScrollActive=true;this._autoScrollUp(_24);}}},_autoScrollUp:function(_25){if(this.autoScrollActive&&_25.scrollTop>0){_25.scrollTop-=30;this._timer=setTimeout(dojo.hitch(this,"_autoScrollUp",_25),100);}},_autoScrollDown:function(_26){if(this.autoScrollActive&&(_26.scrollTop<(_26.scrollHeight-_26.clientHeight))){_26.scrollTop+=30;this._timer=setTimeout(dojo.hitch(this,"_autoScrollDown",_26),100);}},_stopAutoScroll:function(){this.autoScrollActive=false;},_sumAncestorProperties:function(_27,_28){_27=dojo.byId(_27);if(!_27){return 0;}var _29=0;while(_27){var val=_27[_28];if(val){_29+=val-0;if(_27==dojo.body()){break;}}_27=_27.parentNode;}return _29;}});dojox.layout.dnd._setGcDndHandle=function(_2a,_2b,_2c,_2d){var cls="GcDndHandle";if(!_2d){dojo.query(".GcDndHandle",_2a.domNode).removeClass(cls);}if(!_2b){dojo.addClass(_2a.domNode,cls);}else{var _2e=false;for(var i=_2c.length-1;i>=0;i--){var _2f=dojo.query("."+_2c[i],_2a.domNode)[0];if(_2f){_2e=true;if(_2c[i]!=cls){var _30=dojo.query("."+cls,_2a.domNode);if(_30.length==0){dojo.removeClass(_2a.domNode,cls);}else{_30.removeClass(cls);}dojo.addClass(_2f,cls);}}}if(!_2e){dojo.addClass(_2a.domNode,cls);}}};dojo.declare("dojox.layout.dnd.DropIndicator",null,{constructor:function(cn,tag){this.tag=tag||"div";this.style=cn||null;},isInserted:function(){return (this.node.parentNode&&this.node.parentNode.nodeType==1);},create:function(){if(this.node&&this.isInserted()){return this.node;}var h="90px",el=dojo.doc.createElement(this.tag);if(this.style){el.className=this.style;el.style.height=h;}else{dojo.style(el,{position:"relative",border:"1px dashed #F60",margin:"2px",height:h});}this.node=el;return el;},destroy:function(){if(!this.node||!this.isInserted()){return;}this.node.parentNode.removeChild(this.node);this.node=null;}});dojo.extend(dojo.dnd.Manager,{canDrop:function(_31){var _32=this.target&&_31;if(this.canDropFlag!=_32){this.canDropFlag=_32;if(this.avatar){this.avatar.update();}}},makeAvatar:function(){return (this.source.declaredClass=="dojox.layout.dnd.PlottedDnd")?new dojox.layout.dnd.Avatar(this,this.source.opacity):new dojo.dnd.Avatar(this);}});if(dojo.isIE){dojox.layout.dnd.handdleIE=[dojo.subscribe("/dnd/start",null,function(){IEonselectstart=document.body.onselectstart;document.body.onselectstart=function(){return false;};}),dojo.subscribe("/dnd/cancel",null,function(){document.body.onselectstart=IEonselectstart;}),dojo.subscribe("/dnd/drop",null,function(){document.body.onselectstart=IEonselectstart;})];dojo.addOnWindowUnload(function(){dojo.forEach(dojox.layout.dnd.handdleIE,dojo.unsubscribe);});}}
    9.