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📄 ddcore-min.js

📁 ext-2.3.0
💻 JS
📖 第 1 页 / 共 2 页
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if(this.preventDefault){e.preventDefault();}},stopDrag:function(e){if(this.dragCurrent){if(this.dragThreshMet){this.dragCurrent.b4EndDrag(e);this.dragCurrent.endDrag(e);}this.dragCurrent.onMouseUp(e);}this.dragCurrent=null;this.dragOvers={};},handleMouseMove:function(e){if(!this.dragCurrent){return true;}if(Ext.isIE&&(e.button!==0&&e.button!==1&&e.button!==2)){this.stopEvent(e);return this.handleMouseUp(e);}if(!this.dragThreshMet){var diffX=Math.abs(this.startX-e.getPageX());var diffY=Math.abs(this.startY-e.getPageY());if(diffX>this.clickPixelThresh||diffY>this.clickPixelThresh){this.startDrag(this.startX,this.startY);}}if(this.dragThreshMet){this.dragCurrent.b4Drag(e);this.dragCurrent.onDrag(e);if(!this.dragCurrent.moveOnly){this.fireEvents(e,false);}}this.stopEvent(e);return true;},fireEvents:function(e,isDrop){var dc=this.dragCurrent;if(!dc||dc.isLocked()){return;}var pt=e.getPoint();var oldOvers=[];var outEvts=[];var overEvts=[];var dropEvts=[];var enterEvts=[];for(var i in this.dragOvers){var ddo=this.dragOvers[i];if(!this.isTypeOfDD(ddo)){continue;}if(!this.isOverTarget(pt,ddo,this.mode)){outEvts.push(ddo);}oldOvers[i]=true;delete this.dragOvers[i];}for(var sGroup in dc.groups){if("string"!=typeof sGroup){continue;}for(i in this.ids[sGroup]){var oDD=this.ids[sGroup][i];if(!this.isTypeOfDD(oDD)){continue;}if(oDD.isTarget&&!oDD.isLocked()&&oDD!=dc){if(this.isOverTarget(pt,oDD,this.mode)){if(isDrop){dropEvts.push(oDD);}else{if(!oldOvers[oDD.id]){enterEvts.push(oDD);}else{overEvts.push(oDD);}this.dragOvers[oDD.id]=oDD;}}}}}if(this.mode){if(outEvts.length){dc.b4DragOut(e,outEvts);dc.onDragOut(e,outEvts);}if(enterEvts.length){dc.onDragEnter(e,enterEvts);}if(overEvts.length){dc.b4DragOver(e,overEvts);dc.onDragOver(e,overEvts);}if(dropEvts.length){dc.b4DragDrop(e,dropEvts);dc.onDragDrop(e,dropEvts);}}else{var len=0;for(i=0,len=outEvts.length;i<len;++i){dc.b4DragOut(e,outEvts[i].id);dc.onDragOut(e,outEvts[i].id);}for(i=0,len=enterEvts.length;i<len;++i){dc.onDragEnter(e,enterEvts[i].id);}for(i=0,len=overEvts.length;i<len;++i){dc.b4DragOver(e,overEvts[i].id);dc.onDragOver(e,overEvts[i].id);}for(i=0,len=dropEvts.length;i<len;++i){dc.b4DragDrop(e,dropEvts[i].id);dc.onDragDrop(e,dropEvts[i].id);}}if(isDrop&&!dropEvts.length){dc.onInvalidDrop(e);}},getBestMatch:function(dds){var winner=null;var len=dds.length;if(len==1){winner=dds[0];}else{for(var i=0;i<len;++i){var dd=dds[i];if(dd.cursorIsOver){winner=dd;break;}else{if(!winner||winner.overlap.getArea()<dd.overlap.getArea()){winner=dd;}}}}return winner;},refreshCache:function(groups){for(var sGroup in groups){if("string"!=typeof sGroup){continue;}for(var i in this.ids[sGroup]){var oDD=this.ids[sGroup][i];if(this.isTypeOfDD(oDD)){var loc=this.getLocation(oDD);if(loc){this.locationCache[oDD.id]=loc;}else{delete this.locationCache[oDD.id];}}}}},verifyEl:function(el){if(el){var parent;if(Ext.isIE){try{parent=el.offsetParent;}catch(e){}}else{parent=el.offsetParent;}if(parent){return true;}}return false;},getLocation:function(oDD){if(!this.isTypeOfDD(oDD)){return null;}var el=oDD.getEl(),pos,x1,x2,y1,y2,t,r,b,l;try{pos=Ext.lib.Dom.getXY(el);}catch(e){}if(!pos){return null;}x1=pos[0];x2=x1+el.offsetWidth;y1=pos[1];y2=y1+el.offsetHeight;t=y1-oDD.padding[0];r=x2+oDD.padding[1];b=y2+oDD.padding[2];l=x1-oDD.padding[3];return new Ext.lib.Region(t,r,b,l);},isOverTarget:function(pt,oTarget,intersect){var loc=this.locationCache[oTarget.id];if(!loc||!this.useCache){loc=this.getLocation(oTarget);this.locationCache[oTarget.id]=loc;}if(!loc){return false;}oTarget.cursorIsOver=loc.contains(pt);var dc=this.dragCurrent;if(!dc||!dc.getTargetCoord||(!intersect&&!dc.constrainX&&!dc.constrainY)){return oTarget.cursorIsOver;}oTarget.overlap=null;var pos=dc.getTargetCoord(pt.x,pt.y);var el=dc.getDragEl();var curRegion=new Ext.lib.Region(pos.y,pos.x+el.offsetWidth,pos.y+el.offsetHeight,pos.x);var overlap=curRegion.intersect(loc);if(overlap){oTarget.overlap=overlap;return(intersect)?true:oTarget.cursorIsOver;}else{return false;}},_onUnload:function(e,me){Ext.dd.DragDropMgr.unregAll();},unregAll:function(){if(this.dragCurrent){this.stopDrag();this.dragCurrent=null;}this._execOnAll("unreg",[]);for(var i in this.elementCache){delete this.elementCache[i];}this.elementCache={};this.ids={};},elementCache:{},getElWrapper:function(id){var oWrapper=this.elementCache[id];if(!oWrapper||!oWrapper.el){oWrapper=this.elementCache[id]=new this.ElementWrapper(Ext.getDom(id));}return oWrapper;},getElement:function(id){return Ext.getDom(id);},getCss:function(id){var el=Ext.getDom(id);return(el)?el.style:null;},ElementWrapper:function(el){this.el=el||null;this.id=this.el&&el.id;this.css=this.el&&el.style;},getPosX:function(el){return Ext.lib.Dom.getX(el);},getPosY:function(el){return Ext.lib.Dom.getY(el);},swapNode:function(n1,n2){if(n1.swapNode){n1.swapNode(n2);}else{var p=n2.parentNode;var s=n2.nextSibling;if(s==n1){p.insertBefore(n1,n2);}else if(n2==n1.nextSibling){p.insertBefore(n2,n1);}else{n1.parentNode.replaceChild(n2,n1);p.insertBefore(n1,s);}}},getScroll:function(){var t,l,dde=document.documentElement,db=document.body;if(dde&&(dde.scrollTop||dde.scrollLeft)){t=dde.scrollTop;l=dde.scrollLeft;}else if(db){t=db.scrollTop;l=db.scrollLeft;}else{}return{top:t,left:l};},getStyle:function(el,styleProp){return Ext.fly(el).getStyle(styleProp);},getScrollTop:function(){return this.getScroll().top;},getScrollLeft:function(){return this.getScroll().left;},moveToEl:function(moveEl,targetEl){var aCoord=Ext.lib.Dom.getXY(targetEl);Ext.lib.Dom.setXY(moveEl,aCoord);},numericSort:function(a,b){return(a-b);},_timeoutCount:0,_addListeners:function(){var DDM=Ext.dd.DDM;if(Ext.lib.Event&&document){DDM._onLoad();}else{if(DDM._timeoutCount>2000){}else{setTimeout(DDM._addListeners,10);if(document&&document.body){DDM._timeoutCount+=1;}}}},handleWasClicked:function(node,id){if(this.isHandle(id,node.id)){return true;}else{var p=node.parentNode;while(p){if(this.isHandle(id,p.id)){return true;}else{p=p.parentNode;}}}return false;}};}();Ext.dd.DDM=Ext.dd.DragDropMgr;Ext.dd.DDM._addListeners();}Ext.dd.DD=function(id,sGroup,config){if(id){this.init(id,sGroup,config);}};Ext.extend(Ext.dd.DD,Ext.dd.DragDrop,{scroll:true,autoOffset:function(iPageX,iPageY){var x=iPageX-this.startPageX;var y=iPageY-this.startPageY;this.setDelta(x,y);},setDelta:function(iDeltaX,iDeltaY){this.deltaX=iDeltaX;this.deltaY=iDeltaY;},setDragElPos:function(iPageX,iPageY){var el=this.getDragEl();this.alignElWithMouse(el,iPageX,iPageY);},alignElWithMouse:function(el,iPageX,iPageY){var oCoord=this.getTargetCoord(iPageX,iPageY);var fly=el.dom?el:Ext.fly(el,'_dd');if(!this.deltaSetXY){var aCoord=[oCoord.x,oCoord.y];fly.setXY(aCoord);var newLeft=fly.getLeft(true);var newTop=fly.getTop(true);this.deltaSetXY=[newLeft-oCoord.x,newTop-oCoord.y];}else{fly.setLeftTop(oCoord.x+this.deltaSetXY[0],oCoord.y+this.deltaSetXY[1]);}this.cachePosition(oCoord.x,oCoord.y);this.autoScroll(oCoord.x,oCoord.y,el.offsetHeight,el.offsetWidth);return oCoord;},cachePosition:function(iPageX,iPageY){if(iPageX){this.lastPageX=iPageX;this.lastPageY=iPageY;}else{var aCoord=Ext.lib.Dom.getXY(this.getEl());this.lastPageX=aCoord[0];this.lastPageY=aCoord[1];}},autoScroll:function(x,y,h,w){if(this.scroll){var clientH=Ext.lib.Dom.getViewHeight();var clientW=Ext.lib.Dom.getViewWidth();var st=this.DDM.getScrollTop();var sl=this.DDM.getScrollLeft();var bot=h+y;var right=w+x;var toBot=(clientH+st-y-this.deltaY);var toRight=(clientW+sl-x-this.deltaX);var thresh=40;var scrAmt=(document.all)?80:30;if(bot>clientH&&toBot<thresh){window.scrollTo(sl,st+scrAmt);}if(y<st&&st>0&&y-st<thresh){window.scrollTo(sl,st-scrAmt);}if(right>clientW&&toRight<thresh){window.scrollTo(sl+scrAmt,st);}if(x<sl&&sl>0&&x-sl<thresh){window.scrollTo(sl-scrAmt,st);}}},getTargetCoord:function(iPageX,iPageY){var x=iPageX-this.deltaX;var y=iPageY-this.deltaY;if(this.constrainX){if(x<this.minX){x=this.minX;}if(x>this.maxX){x=this.maxX;}}if(this.constrainY){if(y<this.minY){y=this.minY;}if(y>this.maxY){y=this.maxY;}}x=this.getTick(x,this.xTicks);y=this.getTick(y,this.yTicks);return{x:x,y:y};},applyConfig:function(){Ext.dd.DD.superclass.applyConfig.call(this);this.scroll=(this.config.scroll!==false);},b4MouseDown:function(e){this.autoOffset(e.getPageX(),e.getPageY());},b4Drag:function(e){this.setDragElPos(e.getPageX(),e.getPageY());},toString:function(){return("DD "+this.id);}});Ext.dd.DDProxy=function(id,sGroup,config){if(id){this.init(id,sGroup,config);this.initFrame();}};Ext.dd.DDProxy.dragElId="ygddfdiv";Ext.extend(Ext.dd.DDProxy,Ext.dd.DD,{resizeFrame:true,centerFrame:false,createFrame:function(){var self=this;var body=document.body;if(!body||!body.firstChild){setTimeout(function(){self.createFrame();},50);return;}var div=this.getDragEl();if(!div){div=document.createElement("div");div.id=this.dragElId;var s=div.style;s.position="absolute";s.visibility="hidden";s.cursor="move";s.border="2px solid #aaa";s.zIndex=999;body.insertBefore(div,body.firstChild);}},initFrame:function(){this.createFrame();},applyConfig:function(){Ext.dd.DDProxy.superclass.applyConfig.call(this);this.resizeFrame=(this.config.resizeFrame!==false);this.centerFrame=(this.config.centerFrame);this.setDragElId(this.config.dragElId||Ext.dd.DDProxy.dragElId);},showFrame:function(iPageX,iPageY){var el=this.getEl();var dragEl=this.getDragEl();var s=dragEl.style;this._resizeProxy();if(this.centerFrame){this.setDelta(Math.round(parseInt(s.width,10)/2),Math.round(parseInt(s.height,10)/2));}this.setDragElPos(iPageX,iPageY);Ext.fly(dragEl).show();},_resizeProxy:function(){if(this.resizeFrame){var el=this.getEl();Ext.fly(this.getDragEl()).setSize(el.offsetWidth,el.offsetHeight);}},b4MouseDown:function(e){var x=e.getPageX();var y=e.getPageY();this.autoOffset(x,y);this.setDragElPos(x,y);},b4StartDrag:function(x,y){this.showFrame(x,y);},b4EndDrag:function(e){Ext.fly(this.getDragEl()).hide();},endDrag:function(e){var lel=this.getEl();var del=this.getDragEl();del.style.visibility="";this.beforeMove();lel.style.visibility="hidden";Ext.dd.DDM.moveToEl(lel,del);del.style.visibility="hidden";lel.style.visibility="";this.afterDrag();},beforeMove:function(){},afterDrag:function(){},toString:function(){return("DDProxy "+this.id);}});Ext.dd.DDTarget=function(id,sGroup,config){if(id){this.initTarget(id,sGroup,config);}};Ext.extend(Ext.dd.DDTarget,Ext.dd.DragDrop,{toString:function(){return("DDTarget "+this.id);}});

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