中间件编程

开发平台：
JavaScript

ext-dd.js：源码内容
							/*
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
(function(){var a=Ext.EventManager;var b=Ext.lib.Dom;Ext.dd.DragDrop=function(e,c,d){if(e){this.init(e,c,d)}};Ext.dd.DragDrop.prototype={id:null,config:null,dragElId:null,handleElId:null,invalidHandleTypes:null,invalidHandleIds:null,invalidHandleClasses:null,startPageX:0,startPageY:0,groups:null,locked:false,lock:function(){this.locked=true},moveOnly:false,unlock:function(){this.locked=false},isTarget:true,padding:null,_domRef:null,__ygDragDrop:true,constrainX:false,constrainY:false,minX:0,maxX:0,minY:0,maxY:0,maintainOffset:false,xTicks:null,yTicks:null,primaryButtonOnly:true,available:false,hasOuterHandles:false,b4StartDrag:function(c,d){},startDrag:function(c,d){},b4Drag:function(c){},onDrag:function(c){},onDragEnter:function(c,d){},b4DragOver:function(c){},onDragOver:function(c,d){},b4DragOut:function(c){},onDragOut:function(c,d){},b4DragDrop:function(c){},onDragDrop:function(c,d){},onInvalidDrop:function(c){},b4EndDrag:function(c){},endDrag:function(c){},b4MouseDown:function(c){},onMouseDown:function(c){},onMouseUp:function(c){},onAvailable:function(){},defaultPadding:{left:0,right:0,top:0,bottom:0},constrainTo:function(i,g,n){if(typeof g=="number"){g={left:g,right:g,top:g,bottom:g}}g=g||this.defaultPadding;var k=Ext.get(this.getEl()).getBox();var d=Ext.get(i);var m=d.getScroll();var j,e=d.dom;if(e==document.body){j={x:m.left,y:m.top,width:Ext.lib.Dom.getViewWidth(),height:Ext.lib.Dom.getViewHeight()}}else{var l=d.getXY();j={x:l[0]+m.left,y:l[1]+m.top,width:e.clientWidth,height:e.clientHeight}}var h=k.y-j.y;var f=k.x-j.x;this.resetConstraints();this.setXConstraint(f-(g.left||0),j.width-f-k.width-(g.right||0),this.xTickSize);this.setYConstraint(h-(g.top||0),j.height-h-k.height-(g.bottom||0),this.yTickSize)},getEl:function(){if(!this._domRef){this._domRef=Ext.getDom(this.id)}return this._domRef},getDragEl:function(){return Ext.getDom(this.dragElId)},init:function(e,c,d){this.initTarget(e,c,d);a.on(this.id,"mousedown",this.handleMouseDown,this)},initTarget:function(e,c,d){this.config=d||{};this.DDM=Ext.dd.DDM;this.groups={};if(typeof e!=="string"){e=Ext.id(e)}this.id=e;this.addToGroup((c)?c:"default");this.handleElId=e;this.setDragElId(e);this.invalidHandleTypes={A:"A"};this.invalidHandleIds={};this.invalidHandleClasses=[];this.applyConfig();this.handleOnAvailable()},applyConfig:function(){this.padding=this.config.padding||[0,0,0,0];this.isTarget=(this.config.isTarget!==false);this.maintainOffset=(this.config.maintainOffset);this.primaryButtonOnly=(this.config.primaryButtonOnly!==false)},handleOnAvailable:function(){this.available=true;this.resetConstraints();this.onAvailable()},setPadding:function(e,c,f,d){if(!c&&0!==c){this.padding=[e,e,e,e]}else{if(!f&&0!==f){this.padding=[e,c,e,c]}else{this.padding=[e,c,f,d]}}},setInitPosition:function(f,e){var g=this.getEl();if(!this.DDM.verifyEl(g)){return}var d=f||0;var c=e||0;var h=b.getXY(g);this.initPageX=h[0]-d;this.initPageY=h[1]-c;this.lastPageX=h[0];this.lastPageY=h[1];this.setStartPosition(h)},setStartPosition:function(d){var c=d||b.getXY(this.getEl());this.deltaSetXY=null;this.startPageX=c[0];this.startPageY=c[1]},addToGroup:function(c){this.groups[c]=true;this.DDM.regDragDrop(this,c)},removeFromGroup:function(c){if(this.groups[c]){delete this.groups[c]}this.DDM.removeDDFromGroup(this,c)},setDragElId:function(c){this.dragElId=c},setHandleElId:function(c){if(typeof c!=="string"){c=Ext.id(c)}this.handleElId=c;this.DDM.regHandle(this.id,c)},setOuterHandleElId:function(c){if(typeof c!=="string"){c=Ext.id(c)}a.on(c,"mousedown",this.handleMouseDown,this);this.setHandleElId(c);this.hasOuterHandles=true},unreg:function(){a.un(this.id,"mousedown",this.handleMouseDown);this._domRef=null;this.DDM._remove(this)},destroy:function(){this.unreg()},isLocked:function(){return(this.DDM.isLocked()||this.locked)},handleMouseDown:function(f,d){if(this.primaryButtonOnly&&f.button!=0){return}if(this.isLocked()){return}this.DDM.refreshCache(this.groups);var c=new Ext.lib.Point(Ext.lib.Event.getPageX(f),Ext.lib.Event.getPageY(f));if(!this.hasOuterHandles&&!this.DDM.isOverTarget(c,this)){}else{if(this.clickValidator(f)){this.setStartPosition();this.b4MouseDown(f);this.onMouseDown(f);this.DDM.handleMouseDown(f,this);this.DDM.stopEvent(f)}else{}}},clickValidator:function(d){var c=d.getTarget();return(this.isValidHandleChild(c)&&(this.id==this.handleElId||this.DDM.handleWasClicked(c,this.id)))},addInvalidHandleType:function(c){var d=c.toUpperCase();this.invalidHandleTypes[d]=d},addInvalidHandleId:function(c){if(typeof c!=="string"){c=Ext.id(c)}this.invalidHandleIds[c]=c},addInvalidHandleClass:function(c){this.invalidHandleClasses.push(c)},removeInvalidHandleType:function(c){var d=c.toUpperCase();delete this.invalidHandleTypes[d]},removeInvalidHandleId:function(c){if(typeof c!=="string"){c=Ext.id(c)}delete this.invalidHandleIds[c]},removeInvalidHandleClass:function(d){for(var e=0,c=this.invalidHandleClasses.length;e<c;++e){if(this.invalidHandleClasses[e]==d){delete this.invalidHandleClasses[e]}}},isValidHandleChild:function(g){var f=true;var j;try{j=g.nodeName.toUpperCase()}catch(h){j=g.nodeName}f=f&&!this.invalidHandleTypes[j];f=f&&!this.invalidHandleIds[g.id];for(var d=0,c=this.invalidHandleClasses.length;f&&d<c;++d){f=!Ext.fly(g).hasClass(this.invalidHandleClasses[d])}return f},setXTicks:function(f,c){this.xTicks=[];this.xTickSize=c;var e={};for(var d=this.initPageX;d>=this.minX;d=d-c){if(!e[d]){this.xTicks[this.xTicks.length]=d;e[d]=true}}for(d=this.initPageX;d<=this.maxX;d=d+c){if(!e[d]){this.xTicks[this.xTicks.length]=d;e[d]=true}}this.xTicks.sort(this.DDM.numericSort)},setYTicks:function(f,c){this.yTicks=[];this.yTickSize=c;var e={};for(var d=this.initPageY;d>=this.minY;d=d-c){if(!e[d]){this.yTicks[this.yTicks.length]=d;e[d]=true}}for(d=this.initPageY;d<=this.maxY;d=d+c){if(!e[d]){this.yTicks[this.yTicks.length]=d;e[d]=true}}this.yTicks.sort(this.DDM.numericSort)},setXConstraint:function(e,d,c){this.leftConstraint=e;this.rightConstraint=d;this.minX=this.initPageX-e;this.maxX=this.initPageX+d;if(c){this.setXTicks(this.initPageX,c)}this.constrainX=true},clearConstraints:function(){this.constrainX=false;this.constrainY=false;this.clearTicks()},clearTicks:function(){this.xTicks=null;this.yTicks=null;this.xTickSize=0;this.yTickSize=0},setYConstraint:function(c,e,d){this.topConstraint=c;this.bottomConstraint=e;this.minY=this.initPageY-c;this.maxY=this.initPageY+e;if(d){this.setYTicks(this.initPageY,d)}this.constrainY=true},resetConstraints:function(){if(this.initPageX||this.initPageX===0){var d=(this.maintainOffset)?this.lastPageX-this.initPageX:0;var c=(this.maintainOffset)?this.lastPageY-this.initPageY:0;this.setInitPosition(d,c)}else{this.setInitPosition()}if(this.constrainX){this.setXConstraint(this.leftConstraint,this.rightConstraint,this.xTickSize)}if(this.constrainY){this.setYConstraint(this.topConstraint,this.bottomConstraint,this.yTickSize)}},getTick:function(j,f){if(!f){return j}else{if(f[0]>=j){return f[0]}else{for(var d=0,c=f.length;d<c;++d){var e=d+1;if(f[e]&&f[e]>=j){var h=j-f[d];var g=f[e]-j;return(g>h)?f[d]:f[e]}}return f[f.length-1]}}},toString:function(){return("DragDrop "+this.id)}}})();if(!Ext.dd.DragDropMgr){Ext.dd.DragDropMgr=function(){var a=Ext.EventManager;return{ids:{},handleIds:{},dragCurrent:null,dragOvers:{},deltaX:0,deltaY:0,preventDefault:true,stopPropagation:true,initialized:false,locked:false,init:function(){this.initialized=true},POINT:0,INTERSECT:1,mode:0,_execOnAll:function(d,c){for(var e in this.ids){for(var b in this.ids[e]){var f=this.ids[e][b];if(!this.isTypeOfDD(f)){continue}f[d].apply(f,c)}}},_onLoad:function(){this.init();a.on(document,"mouseup",this.handleMouseUp,this,true);a.on(document,"mousemove",this.handleMouseMove,this,true);a.on(window,"unload",this._onUnload,this,true);a.on(window,"resize",this._onResize,this,true)},_onResize:function(b){this._execOnAll("resetConstraints",[])},lock:function(){this.locked=true},unlock:function(){this.locked=false},isLocked:function(){return this.locked},locationCache:{},useCache:true,clickPixelThresh:3,clickTimeThresh:350,dragThreshMet:false,clickTimeout:null,startX:0,startY:0,regDragDrop:function(c,b){if(!this.initialized){this.init()}if(!this.ids[b]){this.ids[b]={}}this.ids[b][c.id]=c},removeDDFromGroup:function(d,b){if(!this.ids[b]){this.ids[b]={}}var c=this.ids[b];if(c&&c[d.id]){delete c[d.id]}},_remove:function(c){for(var b in c.groups){if(b&&this.ids[b]&&this.ids[b][c.id]){delete this.ids[b][c.id]}}delete this.handleIds[c.id]},regHandle:function(c,b){if(!this.handleIds[c]){this.handleIds[c]={}}this.handleIds[c][b]=b},isDragDrop:function(b){return(this.getDDById(b))?true:false},getRelated:function(g,c){var f=[];for(var e in g.groups){for(var d in this.ids[e]){var b=this.ids[e][d];if(!this.isTypeOfDD(b)){continue}if(!c||b.isTarget){f[f.length]=b}}}return f},isLegalTarget:function(f,e){var c=this.getRelated(f,true);for(var d=0,b=c.length;d<b;++d){if(c[d].id==e.id){return true}}return false},isTypeOfDD:function(b){return(b&&b.__ygDragDrop)},isHandle:function(c,b){return(this.handleIds[c]&&this.handleIds[c][b])},getDDById:function(c){for(var b in this.ids){if(this.ids[b][c]){return this.ids[b][c]}}return null},handleMouseDown:function(d,c){if(Ext.QuickTips){Ext.QuickTips.disable()}if(this.dragCurrent){this.handleMouseUp(d)}this.currentTarget=d.getTarget();this.dragCurrent=c;var b=c.getEl();this.startX=d.getPageX();this.startY=d.getPageY();this.deltaX=this.startX-b.offsetLeft;this.deltaY=this.startY-b.offsetTop;this.dragThreshMet=false;this.clickTimeout=setTimeout(function(){var e=Ext.dd.DDM;e.startDrag(e.startX,e.startY)},this.clickTimeThresh)},startDrag:function(b,c){clearTimeout(this.clickTimeout);if(this.dragCurrent){this.dragCurrent.b4StartDrag(b,c);this.dragCurrent.startDrag(b,c)}this.dragThreshMet=true},handleMouseUp:function(b){if(Ext.QuickTips){Ext.QuickTips.enable()}if(!this.dragCurrent){return}clearTimeout(this.clickTimeout);if(this.dragThreshMet){this.fireEvents(b,true)}else{}this.stopDrag(b);this.stopEvent(b)},stopEvent:function(b){if(this.stopPropagation){b.stopPropagation()}if(this.preventDefault){b.preventDefault()}},stopDrag:function(b){if(this.dragCurrent){if(this.dragThreshMet){this.dragCurrent.b4EndDrag(b);this.dragCurrent.endDrag(b)}this.dragCurrent.onMouseUp(b)}this.dragCurrent=null;this.dragOvers={}},handleMouseMove:function(d){if(!this.dragCurrent){return true}if(Ext.isIE&&(d.button!==0&&d.button!==1&&d.button!==2)){this.stopEvent(d);return this.handleMouseUp(d)}if(!this.dragThreshMet){var c=Math.abs(this.startX-d.getPageX());var b=Math.abs(this.startY-d.getPageY());if(c>this.clickPixelThresh||b>this.clickPixelThresh){this.startDrag(this.startX,this.startY)}}if(this.dragThreshMet){this.dragCurrent.b4Drag(d);this.dragCurrent.onDrag(d);if(!this.dragCurrent.moveOnly){this.fireEvents(d,false)}}this.stopEvent(d);return true},fireEvents:function(m,n){var p=this.dragCurrent;if(!p||p.isLocked()){return}var q=m.getPoint();var b=[];var f=[];var k=[];var h=[];var d=[];for(var g in this.dragOvers){var c=this.dragOvers[g];if(!this.isTypeOfDD(c)){continue}if(!this.isOverTarget(q,c,this.mode)){f.push(c)}b[g]=true;delete this.dragOvers[g]}for(var o in p.groups){if("string"!=typeof o){continue}for(g in this.ids[o]){var j=this.ids[o][g];if(!this.isTypeOfDD(j)){continue}if(j.isTarget&&!j.isLocked()&&((j!=p)||(p.ignoreSelf===false))){if(this.isOverTarget(q,j,this.mode)){if(n){h.push(j)}else{if(!b[j.id]){d.push(j)}else{k.push(j)}this.dragOvers[j.id]=j}}}}}if(this.mode){if(f.length){p.b4DragOut(m,f);p.onDragOut(m,f)}if(d.length){p.onDragEnter(m,d)}if(k.length){p.b4DragOver(m,k);p.onDragOver(m,k)}if(h.length){p.b4DragDrop(m,h);p.onDragDrop(m,h)}}else{var l=0;for(g=0,l=f.length;g<l;++g){p.b4DragOut(m,f[g].id);p.onDragOut(m,f[g].id)}for(g=0,l=d.length;g<l;++g){p.onDragEnter(m,d[g].id)}for(g=0,l=k.length;g<l;++g){p.b4DragOver(m,k[g].id);p.onDragOver(m,k[g].id)}for(g=0,l=h.length;g<l;++g){p.b4DragDrop(m,h[g].id);p.onDragDrop(m,h[g].id)}}if(n&&!h.length){p.onInvalidDrop(m)}},getBestMatch:function(d){var f=null;var c=d.length;if(c==1){f=d[0]}else{for(var e=0;e<c;++e){var b=d[e];if(b.cursorIsOver){f=b;break}else{if(!f||f.overlap.getArea()<b.overlap.getArea()){f=b}}}}return f},refreshCache:function(c){for(var b in c){if("string"!=typeof b){continue}for(var d in this.ids[b]){var e=this.ids[b][d];if(this.isTypeOfDD(e)){var f=this.getLocation(e);if(f){this.locationCache[e.id]=f}else{delete this.locationCache[e.id]}}}}},verifyEl:function(c){if(c){var b;if(Ext.isIE){try{b=c.offsetParent}catch(d){}}else{b=c.offsetParent}if(b){return true}}return false},getLocation:function(i){if(!this.isTypeOfDD(i)){return null}var g=i.getEl(),m,f,d,o,n,p,c,k,h;try{m=Ext.lib.Dom.getXY(g)}catch(j){}if(!m){return null}f=m[0];d=f+g.offsetWidth;o=m[1];n=o+g.offsetHeight;p=o-i.padding[0];c=d+i.padding[1];k=n+i.padding[2];h=f-i.padding[3];return new Ext.lib.Region(p,c,k,h)},isOverTarget:function(j,b,d){var f=this.locationCache[b.id];if(!f||!this.useCache){f=this.getLocation(b);this.locationCache[b.id]=f}if(!f){return false}b.cursorIsOver=f.contains(j);var i=this.dragCurrent;if(!i||!i.getTargetCoord||(!d&&!i.constrainX&&!i.constrainY)){return b.cursorIsOver}b.overlap=null;var g=i.getTargetCoord(j.x,j.y);var c=i.getDragEl();var e=new Ext.lib.Region(g.y,g.x+c.offsetWidth,g.y+c.offsetHeight,g.x);var h=e.intersect(f);if(h){b.overlap=h;return(d)?true:b.cursorIsOver}else{return false}},_onUnload:function(c,b){Ext.dd.DragDropMgr.unregAll()},unregAll:function(){if(this.dragCurrent){this.stopDrag();this.dragCurrent=null}this._execOnAll("unreg",[]);for(var b in this.elementCache){delete this.elementCache[b]}this.elementCache={};this.ids={}},elementCache:{},getElWrapper:function(c){var b=this.elementCache[c];if(!b||!b.el){b=this.elementCache[c]=new this.ElementWrapper(Ext.getDom(c))}return b},getElement:function(b){return Ext.getDom(b)},getCss:function(c){var b=Ext.getDom(c);return(b)?b.style:null},ElementWrapper:function(b){this.el=b||null;this.id=this.el&&b.id;this.css=this.el&&b.style},getPosX:function(b){return Ext.lib.Dom.getX(b)},getPosY:function(b){return Ext.lib.Dom.getY(b)},swapNode:function(d,b){if(d.swapNode){d.swapNode(b)}else{var e=b.parentNode;var c=b.nextSibling;if(c==d){e.insertBefore(d,b)}else{if(b==d.nextSibling){e.insertBefore(b,d)}else{d.parentNode.replaceChild(b,d);e.insertBefore(d,c)}}}},getScroll:function(){var d,b,e=document.documentElement,c=document.body;if(e&&(e.scrollTop||e.scrollLeft)){d=e.scrollTop;b=e.scrollLeft}else{if(c){d=c.scrollTop;b=c.scrollLeft}else{}}return{top:d,left:b}},getStyle:function(c,b){return Ext.fly(c).getStyle(b)},getScrollTop:function(){return this.getScroll().top},getScrollLeft:function(){return this.getScroll().left},moveToEl:function(b,d){var c=Ext.lib.Dom.getXY(d);Ext.lib.Dom.setXY(b,c)},numericSort:function(d,c){return(d-c)},_timeoutCount:0,_addListeners:function(){var b=Ext.dd.DDM;if(Ext.lib.Event&&document){b._onLoad()}else{if(b._timeoutCount>2000){}else{setTimeout(b._addListeners,10);if(document&&document.body){b._timeoutCount+=1}}}},handleWasClicked:function(b,d){if(this.isHandle(d,b.id)){return true}else{var c=b.parentNode;while(c){if(this.isHandle(d,c.id)){return true}else{c=c.parentNode}}}return false}}}();Ext.dd.DDM=Ext.dd.DragDropMgr;Ext.dd.DDM._addListeners()}Ext.dd.DD=function(c,a,b){if(c){this.init(c,a,b)}};Ext.extend(Ext.dd.DD,Ext.dd.DragDrop,{scroll:true,autoOffset:function(c,b){var a=c-this.startPageX;var d=b-this.startPageY;this.setDelta(a,d)},setDelta:function(b,a){this.deltaX=b;this.deltaY=a},setDragElPos:function(c,b){var a=this.getDragEl();this.alignElWithMouse(a,c,b)},alignElWithMouse:function(c,g,f){var e=this.getTargetCoord(g,f);var b=c.dom?c:Ext.fly(c,"_dd");if(!this.deltaSetXY){var h=[e.x,e.y];b.setXY(h);var d=b.getLeft(true);var a=b.getTop(true);this.deltaSetXY=[d-e.x,a-e.y]}else{b.setLeftTop(e.x+this.deltaSetXY[0],e.y+this.deltaSetXY[1])}this.cachePosition(e.x,e.y);this.autoScroll(e.x,e.y,c.offsetHeight,c.offsetWidth);return e},cachePosition:function(b,a){if(b){this.lastPageX=b;this.lastPageY=a}else{var c=Ext.lib.Dom.getXY(this.getEl());this.lastPageX=c[0];this.lastPageY=c[1]}},autoScroll:function(k,j,e,l){if(this.scroll){var m=Ext.lib.Dom.getViewHeight();var b=Ext.lib.Dom.getViewWidth();var o=this.DDM.getScrollTop();var d=this.DDM.getScrollLeft();var i=e+j;var n=l+k;var g=(m+o-j-this.deltaY);var f=(b+d-k-this.deltaX);var c=40;var a=(document.all)?80:30;if(i>m&&g<c){window.scrollTo(d,o+a)}if(j<o&&o>0&&j-o<c){window.scrollTo(d,o-a)}if(n>b&&f<c){window.scrollTo(d+a,o)}if(k<d&&d>0&&k-d<c){window.scrollTo(d-a,o)}}},getTargetCoord:function(c,b){var a=c-this.deltaX;var d=b-this.deltaY;if(this.constrainX){if(a<this.minX){a=this.minX}if(a>this.maxX){a=this.maxX}}if(this.constrainY){if(d<this.minY){d=this.minY}if(d>this.maxY){d=this.maxY}}a=this.getTick(a,this.xTicks);d=this.getTick(d,this.yTicks);return{x:a,y:d}},applyConfig:function(){Ext.dd.DD.superclass.applyConfig.call(this);this.scroll=(this.config.scroll!==false)},b4MouseDown:function(a){this.autoOffset(a.getPageX(),a.getPageY())},b4Drag:function(a){this.setDragElPos(a.getPageX(),a.getPageY())},toString:function(){return("DD "+this.id)}});Ext.dd.DDProxy=function(c,a,b){if(c){this.init(c,a,b);this.initFrame()}};Ext.dd.DDProxy.dragElId="ygddfdiv";Ext.extend(Ext.dd.DDProxy,Ext.dd.DD,{resizeFrame:true,centerFrame:false,createFrame:function(){var b=this;var a=document.body;if(!a||!a.firstChild){setTimeout(function(){b.createFrame()},50);return}var d=this.getDragEl();if(!d){d=document.createElement("div");d.id=this.dragElId;var c=d.style;c.position="absolute";c.visibility="hidden";c.cursor="move";c.border="2px solid #aaa";c.zIndex=999;a.insertBefore(d,a.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(e,d){var c=this.getEl();var a=this.getDragEl();var b=a.style;this._resizeProxy();if(this.centerFrame){this.setDelta(Math.round(parseInt(b.width,10)/2),Math.round(parseInt(b.height,10)/2))}this.setDragElPos(e,d);Ext.fly(a).show()},_resizeProxy:function(){if(this.resizeFrame){var a=this.getEl();Ext.fly(this.getDragEl()).setSize(a.offsetWidth,a.offsetHeight)}},b4MouseDown:function(b){var a=b.getPageX();var c=b.getPageY();this.autoOffset(a,c);this.setDragElPos(a,c)},b4StartDrag:function(a,b){this.showFrame(a,b)},b4EndDrag:function(a){Ext.fly(this.getDragEl()).hide()},endDrag:function(c){var b=this.getEl();var a=this.getDragEl();a.style.visibility="";this.beforeMove();b.style.visibility="hidden";Ext.dd.DDM.moveToEl(b,a);a.style.visibility="hidden";b.style.visibility="";this.afterDrag()},beforeMove:function(){},afterDrag:function(){},toString:function(){return("DDProxy "+this.id)}});Ext.dd.DDTarget=function(c,a,b){if(c){this.initTarget(c,a,b)}};Ext.extend(Ext.dd.DDTarget,Ext.dd.DragDrop,{toString:function(){return("DDTarget "+this.id)}});Ext.dd.DragTracker=function(a){Ext.apply(this,a);this.addEvents("mousedown","mouseup","mousemove","dragstart","dragend","drag");this.dragRegion=new Ext.lib.Region(0,0,0,0);if(this.el){this.initEl(this.el)}};Ext.extend(Ext.dd.DragTracker,Ext.util.Observable,{active:false,tolerance:5,autoStart:false,initEl:function(a){this.el=Ext.get(a);a.on("mousedown",this.onMouseDown,this,this.delegate?{delegate:this.delegate}:undefined)},destroy:function(){this.el.un("mousedown",this.onMouseDown,this)},onMouseDown:function(c,b){if(this.fireEvent("mousedown",this,c)!==false&&this.onBeforeStart(c)!==false){this.startXY=this.lastXY=c.getXY();this.dragTarget=this.delegate?b:this.el.dom;if(this.preventDefault!==false){c.preventDefault()}var a=Ext.getDoc();a.on("mouseup",this.onMouseUp,this);a.on("mousemove",this.onMouseMove,this);a.on("selectstart",this.stopSelect,this);if(this.autoStart){this.timer=this.triggerStart.defer(this.autoStart===true?1000:this.autoStart,this)}}},onMouseMove:function(d,c){if(this.active&&Ext.isIE&&!d.browserEvent.button){d.preventDefault();this.onMouseUp(d);return}d.preventDefault();var b=d.getXY(),a=this.startXY;this.lastXY=b;if(!this.active){if(Math.abs(a[0]-b[0])>this.tolerance||Math.abs(a[1]-b[1])>this.tolerance){this.triggerStart()}else{return}}this.fireEvent("mousemove",this,d);this.onDrag(d);this.fireEvent("drag",this,d)},onMouseUp:function(c){var b=Ext.getDoc();b.un("mousemove",this.onMouseMove,this);b.un("mouseup",this.onMouseUp,this);b.un("selectstart",this.stopSelect,this);c.preventDefault();this.clearStart();var a=this.active;this.active=false;delete this.elRegion;this.fireEvent("mouseup",this,c);if(a){this.onEnd(c);this.fireEvent("dragend",this,c)}},triggerStart:function(a){this.clearStart();this.active=true;this.onStart(this.startXY);this.fireEvent("dragstart",this,this.startXY)},clearStart:function(){if(this.timer){clearTimeout(this.timer);delete this.timer}},stopSelect:function(a){a.stopEvent();return false},onBeforeStart:function(a){},onStart:function(a){},onDrag:function(a){},onEnd:function(a){},getDragTarget:function(){return this.dragTarget},getDragCt:function(){return this.el},getXY:function(a){return a?this.constrainModes[a].call(this,this.lastXY):this.lastXY},getOffset:function(c){var b=this.getXY(c);var a=this.startXY;return[a[0]-b[0],a[1]-b[1]]},constrainModes:{point:function(b){if(!this.elRegion){this.elRegion=this.getDragCt().getRegion()}var a=this.dragRegion;a.left=b[0];a.top=b[1];a.right=b[0];a.bottom=b[1];a.constrainTo(this.elRegion);return[a.left,a.top]}}});Ext.dd.ScrollManager=function(){var c=Ext.dd.DragDropMgr;var e={};var b=null;var h={};var g=function(k){b=null;a()};var i=function(){if(c.dragCurrent){c.refreshCache(c.dragCurrent.groups)}};var d=function(){if(c.dragCurrent){var k=Ext.dd.ScrollManager;var l=h.el.ddScrollConfig?h.el.ddScrollConfig.increment:k.increment;if(!k.animate){if(h.el.scroll(h.dir,l)){i()}}else{h.el.scroll(h.dir,l,true,k.animDuration,i)}}};var a=function(){if(h.id){clearInterval(h.id)}h.id=0;h.el=null;h.dir=""};var f=function(l,k){a();h.el=l;h.dir=k;var m=(l.ddScrollConfig&&l.ddScrollConfig.frequency)?l.ddScrollConfig.frequency:Ext.dd.ScrollManager.frequency;h.id=setInterval(d,m)};var j=function(n,p){if(p||!c.dragCurrent){return}var q=Ext.dd.ScrollManager;if(!b||b!=c.dragCurrent){b=c.dragCurrent;q.refreshCache()}var s=Ext.lib.Event.getXY(n);var t=new Ext.lib.Point(s[0],s[1]);for(var l in e){var m=e[l],k=m._region;var o=m.ddScrollConfig?m.ddScrollConfig:q;if(k&&k.contains(t)&&m.isScrollable()){if(k.bottom-t.y<=o.vthresh){if(h.el!=m){f(m,"down")}return}else{if(k.right-t.x<=o.hthresh){if(h.el!=m){f(m,"left")}return}else{if(t.y-k.top<=o.vthresh){if(h.el!=m){f(m,"up")}return}else{if(t.x-k.left<=o.hthresh){if(h.el!=m){f(m,"right")}return}}}}}}a()};c.fireEvents=c.fireEvents.createSequence(j,c);c.stopDrag=c.stopDrag.createSequence(g,c);return{register:function(m){if(Ext.isArray(m)){for(var l=0,k=m.length;l<k;l++){this.register(m[l])}}else{m=Ext.get(m);e[m.id]=m}},unregister:function(m){if(Ext.isArray(m)){for(var l=0,k=m.length;l<k;l++){this.unregister(m[l])}}else{m=Ext.get(m);delete e[m.id]}},vthresh:25,hthresh:25,increment:100,frequency:500,animate:true,animDuration:0.4,refreshCache:function(){for(var k in e){if(typeof e[k]=="object"){e[k]._region=e[k].getRegion()}}}}}();Ext.dd.Registry=function(){var d={};var b={};var a=0;var c=function(f,e){if(typeof f=="string"){return f}var g=f.id;if(!g&&e!==false){g="extdd-"+(++a);f.id=g}return g};return{register:function(h,j){j=j||{};if(typeof h=="string"){h=document.getElementById(h)}j.ddel=h;d[c(h)]=j;if(j.isHandle!==false){b[j.ddel.id]=j}if(j.handles){var g=j.handles;for(var f=0,e=g.length;f<e;f++){b[c(g[f])]=j}}},unregister:function(h){var k=c(h,false);var j=d[k];if(j){delete d[k];if(j.handles){var g=j.handles;for(var f=0,e=g.length;f<e;f++){delete b[c(g[f],false)]}}}},getHandle:function(e){if(typeof e!="string"){e=e.id}return b[e]},getHandleFromEvent:function(g){var f=Ext.lib.Event.getTarget(g);return f?b[f.id]:null},getTarget:function(e){if(typeof e!="string"){e=e.id}return d[e]},getTargetFromEvent:function(g){var f=Ext.lib.Event.getTarget(g);return f?d[f.id]||b[f.id]:null}}}();Ext.dd.StatusProxy=function(a){Ext.apply(this,a);this.id=this.id||Ext.id();this.el=new Ext.Layer({dh:{id:this.id,tag:"div",cls:"x-dd-drag-proxy "+this.dropNotAllowed,children:[{tag:"div",cls:"x-dd-drop-icon"},{tag:"div",cls:"x-dd-drag-ghost"}]},shadow:!a||a.shadow!==false});this.ghost=Ext.get(this.el.dom.childNodes[1]);this.dropStatus=this.dropNotAllowed};Ext.dd.StatusProxy.prototype={dropAllowed:"x-dd-drop-ok",dropNotAllowed:"x-dd-drop-nodrop",setStatus:function(a){a=a||this.dropNotAllowed;if(this.dropStatus!=a){this.el.replaceClass(this.dropStatus,a);this.dropStatus=a}},reset:function(a){this.el.dom.className="x-dd-drag-proxy "+this.dropNotAllowed;this.dropStatus=this.dropNotAllowed;if(a){this.ghost.update("")}},update:function(a){if(typeof a=="string"){this.ghost.update(a)}else{this.ghost.update("");a.style.margin="0";this.ghost.dom.appendChild(a)}var b=this.ghost.dom.firstChild;if(b){Ext.fly(b).setStyle("float","none")}},getEl:function(){return this.el},getGhost:function(){return this.ghost},hide:function(a){this.el.hide();if(a){this.reset(true)}},stop:function(){if(this.anim&&this.anim.isAnimated&&this.anim.isAnimated()){this.anim.stop()}},show:function(){this.el.show()},sync:function(){this.el.sync()},repair:function(b,c,a){this.callback=c;this.scope=a;if(b&&this.animRepair!==false){this.el.addClass("x-dd-drag-repair");this.el.hideUnders(true);this.anim=this.el.shift({duration:this.repairDuration||0.5,easing:"easeOut",xy:b,stopFx:true,callback:this.afterRepair,scope:this})}else{this.afterRepair()}},afterRepair:function(){this.hide(true);if(typeof this.callback=="function"){this.callback.call(this.scope||this)}this.callback=null;this.scope=null}};Ext.dd.DragSource=function(b,a){this.el=Ext.get(b);if(!this.dragData){this.dragData={}}Ext.apply(this,a);if(!this.proxy){this.proxy=new Ext.dd.StatusProxy()}Ext.dd.DragSource.superclass.constructor.call(this,this.el.dom,this.ddGroup||this.group,{dragElId:this.proxy.id,resizeFrame:false,isTarget:false,scroll:this.scroll===true});this.dragging=false};Ext.extend(Ext.dd.DragSource,Ext.dd.DDProxy,{dropAllowed:"x-dd-drop-ok",dropNotAllowed:"x-dd-drop-nodrop",getDragData:function(a){return this.dragData},onDragEnter:function(c,d){var b=Ext.dd.DragDropMgr.getDDById(d);this.cachedTarget=b;if(this.beforeDragEnter(b,c,d)!==false){if(b.isNotifyTarget){var a=b.notifyEnter(this,c,this.dragData);this.proxy.setStatus(a)}else{this.proxy.setStatus(this.dropAllowed)}if(this.afterDragEnter){this.afterDragEnter(b,c,d)}}},beforeDragEnter:function(b,a,c){return true},alignElWithMouse:function(){Ext.dd.DragSource.superclass.alignElWithMouse.apply(this,arguments);this.proxy.sync()},onDragOver:function(c,d){var b=this.cachedTarget||Ext.dd.DragDropMgr.getDDById(d);if(this.beforeDragOver(b,c,d)!==false){if(b.isNotifyTarget){var a=b.notifyOver(this,c,this.dragData);this.proxy.setStatus(a)}if(this.afterDragOver){this.afterDragOver(b,c,d)}}},beforeDragOver:function(b,a,c){return true},onDragOut:function(b,c){var a=this.cachedTarget||Ext.dd.DragDropMgr.getDDById(c);if(this.beforeDragOut(a,b,c)!==false){if(a.isNotifyTarget){a.notifyOut(this,b,this.dragData)}this.proxy.reset();if(this.afterDragOut){this.afterDragOut(a,b,c)}}this.cachedTarget=null},beforeDragOut:function(b,a,c){return true},onDragDrop:function(b,c){var a=this.cachedTarget||Ext.dd.DragDropMgr.getDDById(c);if(this.beforeDragDrop(a,b,c)!==false){if(a.isNotifyTarget){if(a.notifyDrop(this,b,this.dragData)){this.onValidDrop(a,b,c)}else{this.onInvalidDrop(a,b,c)}}else{this.onValidDrop(a,b,c)}if(this.afterDragDrop){this.afterDragDrop(a,b,c)}}delete this.cachedTarget},beforeDragDrop:function(b,a,c){return true},onValidDrop:function(b,a,c){this.hideProxy();if(this.afterValidDrop){this.afterValidDrop(b,a,c)}},getRepairXY:function(b,a){return this.el.getXY()},onInvalidDrop:function(b,a,c){this.beforeInvalidDrop(b,a,c);if(this.cachedTarget){if(this.cachedTarget.isNotifyTarget){this.cachedTarget.notifyOut(this,a,this.dragData)}this.cacheTarget=null}this.proxy.repair(this.getRepairXY(a,this.dragData),this.afterRepair,this);if(this.afterInvalidDrop){this.afterInvalidDrop(a,c)}},afterRepair:function(){if(Ext.enableFx){this.el.highlight(this.hlColor||"c3daf9")}this.dragging=false},beforeInvalidDrop:function(b,a,c){return true},handleMouseDown:function(b){if(this.dragging){return}var a=this.getDragData(b);if(a&&this.onBeforeDrag(a,b)!==false){this.dragData=a;this.proxy.stop();Ext.dd.DragSource.superclass.handleMouseDown.apply(this,arguments)}},onBeforeDrag:function(a,b){return true},onStartDrag:Ext.emptyFn,startDrag:function(a,b){this.proxy.reset();this.dragging=true;this.proxy.update("");this.onInitDrag(a,b);this.proxy.show()},onInitDrag:function(a,c){var b=this.el.dom.cloneNode(true);b.id=Ext.id();this.proxy.update(b);this.onStartDrag(a,c);return true},getProxy:function(){return this.proxy},hideProxy:function(){this.proxy.hide();this.proxy.reset(true);this.dragging=false},triggerCacheRefresh:function(){Ext.dd.DDM.refreshCache(this.groups)},b4EndDrag:function(a){},endDrag:function(a){this.onEndDrag(this.dragData,a)},onEndDrag:function(a,b){},autoOffset:function(a,b){this.setDelta(-12,-20)}});Ext.dd.DropTarget=function(b,a){this.el=Ext.get(b);Ext.apply(this,a);if(this.containerScroll){Ext.dd.ScrollManager.register(this.el)}Ext.dd.DropTarget.superclass.constructor.call(this,this.el.dom,this.ddGroup||this.group,{isTarget:true})};Ext.extend(Ext.dd.DropTarget,Ext.dd.DDTarget,{dropAllowed:"x-dd-drop-ok",dropNotAllowed:"x-dd-drop-nodrop",isTarget:true,isNotifyTarget:true,notifyEnter:function(a,c,b){if(this.overClass){this.el.addClass(this.overClass)}return this.dropAllowed},notifyOver:function(a,c,b){return this.dropAllowed},notifyOut:function(a,c,b){if(this.overClass){this.el.removeClass(this.overClass)}},notifyDrop:function(a,c,b){return false}});Ext.dd.DragZone=function(b,a){Ext.dd.DragZone.superclass.constructor.call(this,b,a);if(this.containerScroll){Ext.dd.ScrollManager.register(this.el)}};Ext.extend(Ext.dd.DragZone,Ext.dd.DragSource,{getDragData:function(a){return Ext.dd.Registry.getHandleFromEvent(a)},onInitDrag:function(a,b){this.proxy.update(this.dragData.ddel.cloneNode(true));this.onStartDrag(a,b);return true},afterRepair:function(){if(Ext.enableFx){Ext.Element.fly(this.dragData.ddel).highlight(this.hlColor||"c3daf9")}this.dragging=false},getRepairXY:function(a){return Ext.Element.fly(this.dragData.ddel).getXY()}});Ext.dd.DropZone=function(b,a){Ext.dd.DropZone.superclass.constructor.call(this,b,a)};Ext.extend(Ext.dd.DropZone,Ext.dd.DropTarget,{getTargetFromEvent:function(a){return Ext.dd.Registry.getTargetFromEvent(a)},onNodeEnter:function(d,a,c,b){},onNodeOver:function(d,a,c,b){return this.dropAllowed},onNodeOut:function(d,a,c,b){},onNodeDrop:function(d,a,c,b){return false},onContainerOver:function(a,c,b){return this.dropNotAllowed},onContainerDrop:function(a,c,b){return false},notifyEnter:function(a,c,b){return this.dropNotAllowed},notifyOver:function(a,c,b){var d=this.getTargetFromEvent(c);if(!d){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,a,c,b);this.lastOverNode=null}return this.onContainerOver(a,c,b)}if(this.lastOverNode!=d){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,a,c,b)}this.onNodeEnter(d,a,c,b);this.lastOverNode=d}return this.onNodeOver(d,a,c,b)},notifyOut:function(a,c,b){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,a,c,b);this.lastOverNode=null}},notifyDrop:function(a,c,b){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,a,c,b);this.lastOverNode=null}var d=this.getTargetFromEvent(c);return d?this.onNodeDrop(d,a,c,b):this.onContainerDrop(a,c,b)},triggerCacheRefresh:function(){Ext.dd.DDM.refreshCache(this.groups)}});Ext.Element.addMethods({initDD:function(c,b,d){var a=new Ext.dd.DD(Ext.id(this.dom),c,b);return Ext.apply(a,d)},initDDProxy:function(c,b,d){var a=new Ext.dd.DDProxy(Ext.id(this.dom),c,b);return Ext.apply(a,d)},initDDTarget:function(c,b,d){var a=new Ext.dd.DDTarget(Ext.id(this.dom),c,b);return Ext.apply(a,d)}});

						