source: other-projects/tipple-android/i-greenstone-server-files/greenstone/webapps/greenstone3/interfaces/default/js/yui/dragdrop-min.js@ 26899

Last change on this file since 26899 was 26899, checked in by davidb, 11 years ago

Tipple reborn after Chris's Summer of Code 2013
File size: 23.1 KB
Line 
1/*
2Copyright (c) 2011, Yahoo! Inc. All rights reserved.
3Code licensed under the BSD License:
4http://developer.yahoo.com/yui/license.html
5version: 2.9.0
6*/
7if(!YAHOO.util.DragDropMgr){YAHOO.util.DragDropMgr=function(){var A=YAHOO.util.Event,B=YAHOO.util.Dom;return{useShim:false,_shimActive:false,_shimState:false,_debugShim:false,_createShim:function(){var C=document.createElement("div");C.id="yui-ddm-shim";if(document.body.firstChild){document.body.insertBefore(C,document.body.firstChild);}else{document.body.appendChild(C);}C.style.display="none";C.style.backgroundColor="red";C.style.position="absolute";C.style.zIndex="99999";B.setStyle(C,"opacity","0");this._shim=C;A.on(C,"mouseup",this.handleMouseUp,this,true);A.on(C,"mousemove",this.handleMouseMove,this,true);A.on(window,"scroll",this._sizeShim,this,true);},_sizeShim:function(){if(this._shimActive){var C=this._shim;C.style.height=B.getDocumentHeight()+"px";C.style.width=B.getDocumentWidth()+"px";C.style.top="0";C.style.left="0";}},_activateShim:function(){if(this.useShim){if(!this._shim){this._createShim();}this._shimActive=true;var C=this._shim,D="0";if(this._debugShim){D=".5";}B.setStyle(C,"opacity",D);this._sizeShim();C.style.display="block";}},_deactivateShim:function(){this._shim.style.display="none";this._shimActive=false;},_shim:null,ids:{},handleIds:{},dragCurrent:null,dragOvers:{},deltaX:0,deltaY:0,preventDefault:true,stopPropagation:true,initialized:false,locked:false,interactionInfo:null,init:function(){this.initialized=true;},POINT:0,INTERSECT:1,STRICT_INTERSECT:2,mode:0,_execOnAll:function(E,D){for(var F in this.ids){for(var C in this.ids[F]){var G=this.ids[F][C];if(!this.isTypeOfDD(G)){continue;}G[E].apply(G,D);}}},_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(C){this._execOnAll("resetConstraints",[]);},lock:function(){this.locked=true;},unlock:function(){this.locked=false;},isLocked:function(){return this.locked;},locationCache:{},useCache:true,clickPixelThresh:3,clickTimeThresh:1000,dragThreshMet:false,clickTimeout:null,startX:0,startY:0,fromTimeout:false,regDragDrop:function(D,C){if(!this.initialized){this.init();}if(!this.ids[C]){this.ids[C]={};}this.ids[C][D.id]=D;},removeDDFromGroup:function(E,C){if(!this.ids[C]){this.ids[C]={};}var D=this.ids[C];if(D&&D[E.id]){delete D[E.id];}},_remove:function(E){for(var D in E.groups){if(D){var C=this.ids[D];if(C&&C[E.id]){delete C[E.id];}}}delete this.handleIds[E.id];},regHandle:function(D,C){if(!this.handleIds[D]){this.handleIds[D]={};}this.handleIds[D][C]=C;},isDragDrop:function(C){return(this.getDDById(C))?true:false;},getRelated:function(H,D){var G=[];for(var F in H.groups){for(var E in this.ids[F]){var C=this.ids[F][E];if(!this.isTypeOfDD(C)){continue;}if(!D||C.isTarget){G[G.length]=C;}}}return G;},isLegalTarget:function(G,F){var D=this.getRelated(G,true);for(var E=0,C=D.length;E<C;++E){if(D[E].id==F.id){return true;}}return false;},isTypeOfDD:function(C){return(C&&C.__ygDragDrop);},isHandle:function(D,C){return(this.handleIds[D]&&this.handleIds[D][C]);},getDDById:function(D){for(var C in this.ids){if(this.ids[C][D]){return this.ids[C][D];}}return null;},handleMouseDown:function(E,D){this.currentTarget=YAHOO.util.Event.getTarget(E);this.dragCurrent=D;var C=D.getEl();this.startX=YAHOO.util.Event.getPageX(E);this.startY=YAHOO.util.Event.getPageY(E);this.deltaX=this.startX-C.offsetLeft;this.deltaY=this.startY-C.offsetTop;this.dragThreshMet=false;this.clickTimeout=setTimeout(function(){var F=YAHOO.util.DDM;F.startDrag(F.startX,F.startY);F.fromTimeout=true;},this.clickTimeThresh);},startDrag:function(C,E){if(this.dragCurrent&&this.dragCurrent.useShim){this._shimState=this.useShim;this.useShim=true;}this._activateShim();clearTimeout(this.clickTimeout);var D=this.dragCurrent;if(D&&D.events.b4StartDrag){D.b4StartDrag(C,E);D.fireEvent("b4StartDragEvent",{x:C,y:E});}if(D&&D.events.startDrag){D.startDrag(C,E);D.fireEvent("startDragEvent",{x:C,y:E});}this.dragThreshMet=true;},handleMouseUp:function(C){if(this.dragCurrent){clearTimeout(this.clickTimeout);if(this.dragThreshMet){if(this.fromTimeout){this.fromTimeout=false;this.handleMouseMove(C);}this.fromTimeout=false;this.fireEvents(C,true);}else{}this.stopDrag(C);this.stopEvent(C);}},stopEvent:function(C){if(this.stopPropagation){YAHOO.util.Event.stopPropagation(C);}if(this.preventDefault){YAHOO.util.Event.preventDefault(C);}},stopDrag:function(E,D){var C=this.dragCurrent;if(C&&!D){if(this.dragThreshMet){if(C.events.b4EndDrag){C.b4EndDrag(E);C.fireEvent("b4EndDragEvent",{e:E});}if(C.events.endDrag){C.endDrag(E);C.fireEvent("endDragEvent",{e:E});}}if(C.events.mouseUp){C.onMouseUp(E);C.fireEvent("mouseUpEvent",{e:E});}}if(this._shimActive){this._deactivateShim();if(this.dragCurrent&&this.dragCurrent.useShim){this.useShim=this._shimState;this._shimState=false;}}this.dragCurrent=null;this.dragOvers={};},handleMouseMove:function(F){var C=this.dragCurrent;if(C){if(YAHOO.env.ua.ie&&(YAHOO.env.ua.ie<9)&&!F.button){this.stopEvent(F);return this.handleMouseUp(F);}else{if(F.clientX<0||F.clientY<0){}}if(!this.dragThreshMet){var E=Math.abs(this.startX-YAHOO.util.Event.getPageX(F));var D=Math.abs(this.startY-YAHOO.util.Event.getPageY(F));if(E>this.clickPixelThresh||D>this.clickPixelThresh){this.startDrag(this.startX,this.startY);}}if(this.dragThreshMet){if(C&&C.events.b4Drag){C.b4Drag(F);C.fireEvent("b4DragEvent",{e:F});}if(C&&C.events.drag){C.onDrag(F);C.fireEvent("dragEvent",{e:F});}if(C){this.fireEvents(F,false);}}this.stopEvent(F);}},fireEvents:function(W,M){var c=this.dragCurrent;if(!c||c.isLocked()||c.dragOnly){return;}var O=YAHOO.util.Event.getPageX(W),N=YAHOO.util.Event.getPageY(W),Q=new YAHOO.util.Point(O,N),K=c.getTargetCoord(Q.x,Q.y),F=c.getDragEl(),E=["out","over","drop","enter"],V=new YAHOO.util.Region(K.y,K.x+F.offsetWidth,K.y+F.offsetHeight,K.x),I=[],D={},L={},R=[],d={outEvts:[],overEvts:[],dropEvts:[],enterEvts:[]};for(var T in this.dragOvers){var f=this.dragOvers[T];if(!this.isTypeOfDD(f)){continue;
8}if(!this.isOverTarget(Q,f,this.mode,V)){d.outEvts.push(f);}I[T]=true;delete this.dragOvers[T];}for(var S in c.groups){if("string"!=typeof S){continue;}for(T in this.ids[S]){var G=this.ids[S][T];if(!this.isTypeOfDD(G)){continue;}if(G.isTarget&&!G.isLocked()&&G!=c){if(this.isOverTarget(Q,G,this.mode,V)){D[S]=true;if(M){d.dropEvts.push(G);}else{if(!I[G.id]){d.enterEvts.push(G);}else{d.overEvts.push(G);}this.dragOvers[G.id]=G;}}}}}this.interactionInfo={out:d.outEvts,enter:d.enterEvts,over:d.overEvts,drop:d.dropEvts,point:Q,draggedRegion:V,sourceRegion:this.locationCache[c.id],validDrop:M};for(var C in D){R.push(C);}if(M&&!d.dropEvts.length){this.interactionInfo.validDrop=false;if(c.events.invalidDrop){c.onInvalidDrop(W);c.fireEvent("invalidDropEvent",{e:W});}}for(T=0;T<E.length;T++){var Z=null;if(d[E[T]+"Evts"]){Z=d[E[T]+"Evts"];}if(Z&&Z.length){var H=E[T].charAt(0).toUpperCase()+E[T].substr(1),Y="onDrag"+H,J="b4Drag"+H,P="drag"+H+"Event",X="drag"+H;if(this.mode){if(c.events[J]){c[J](W,Z,R);L[Y]=c.fireEvent(J+"Event",{event:W,info:Z,group:R});}if(c.events[X]&&(L[Y]!==false)){c[Y](W,Z,R);c.fireEvent(P,{event:W,info:Z,group:R});}}else{for(var a=0,U=Z.length;a<U;++a){if(c.events[J]){c[J](W,Z[a].id,R[0]);L[Y]=c.fireEvent(J+"Event",{event:W,info:Z[a].id,group:R[0]});}if(c.events[X]&&(L[Y]!==false)){c[Y](W,Z[a].id,R[0]);c.fireEvent(P,{event:W,info:Z[a].id,group:R[0]});}}}}}},getBestMatch:function(E){var G=null;var D=E.length;if(D==1){G=E[0];}else{for(var F=0;F<D;++F){var C=E[F];if(this.mode==this.INTERSECT&&C.cursorIsOver){G=C;break;}else{if(!G||!G.overlap||(C.overlap&&G.overlap.getArea()<C.overlap.getArea())){G=C;}}}}return G;},refreshCache:function(D){var F=D||this.ids;for(var C in F){if("string"!=typeof C){continue;}for(var E in this.ids[C]){var G=this.ids[C][E];if(this.isTypeOfDD(G)){var H=this.getLocation(G);if(H){this.locationCache[G.id]=H;}else{delete this.locationCache[G.id];}}}}},verifyEl:function(D){try{if(D){var C=D.offsetParent;if(C){return true;}}}catch(E){}return false;},getLocation:function(H){if(!this.isTypeOfDD(H)){return null;}var F=H.getEl(),K,E,D,M,L,N,C,J,G;try{K=YAHOO.util.Dom.getXY(F);}catch(I){}if(!K){return null;}E=K[0];D=E+F.offsetWidth;M=K[1];L=M+F.offsetHeight;N=M-H.padding[0];C=D+H.padding[1];J=L+H.padding[2];G=E-H.padding[3];return new YAHOO.util.Region(N,C,J,G);},isOverTarget:function(K,C,E,F){var G=this.locationCache[C.id];if(!G||!this.useCache){G=this.getLocation(C);this.locationCache[C.id]=G;}if(!G){return false;}C.cursorIsOver=G.contains(K);var J=this.dragCurrent;if(!J||(!E&&!J.constrainX&&!J.constrainY)){return C.cursorIsOver;}C.overlap=null;if(!F){var H=J.getTargetCoord(K.x,K.y);var D=J.getDragEl();F=new YAHOO.util.Region(H.y,H.x+D.offsetWidth,H.y+D.offsetHeight,H.x);}var I=F.intersect(G);if(I){C.overlap=I;return(E)?true:C.cursorIsOver;}else{return false;}},_onUnload:function(D,C){this.unregAll();},unregAll:function(){if(this.dragCurrent){this.stopDrag();this.dragCurrent=null;}this._execOnAll("unreg",[]);this.ids={};},elementCache:{},getElWrapper:function(D){var C=this.elementCache[D];if(!C||!C.el){C=this.elementCache[D]=new this.ElementWrapper(YAHOO.util.Dom.get(D));}return C;},getElement:function(C){return YAHOO.util.Dom.get(C);},getCss:function(D){var C=YAHOO.util.Dom.get(D);return(C)?C.style:null;},ElementWrapper:function(C){this.el=C||null;this.id=this.el&&C.id;this.css=this.el&&C.style;},getPosX:function(C){return YAHOO.util.Dom.getX(C);},getPosY:function(C){return YAHOO.util.Dom.getY(C);},swapNode:function(E,C){if(E.swapNode){E.swapNode(C);}else{var F=C.parentNode;var D=C.nextSibling;if(D==E){F.insertBefore(E,C);}else{if(C==E.nextSibling){F.insertBefore(C,E);}else{E.parentNode.replaceChild(C,E);F.insertBefore(E,D);}}}},getScroll:function(){var E,C,F=document.documentElement,D=document.body;if(F&&(F.scrollTop||F.scrollLeft)){E=F.scrollTop;C=F.scrollLeft;}else{if(D){E=D.scrollTop;C=D.scrollLeft;}else{}}return{top:E,left:C};},getStyle:function(D,C){return YAHOO.util.Dom.getStyle(D,C);},getScrollTop:function(){return this.getScroll().top;},getScrollLeft:function(){return this.getScroll().left;},moveToEl:function(C,E){var D=YAHOO.util.Dom.getXY(E);YAHOO.util.Dom.setXY(C,D);},getClientHeight:function(){return YAHOO.util.Dom.getViewportHeight();},getClientWidth:function(){return YAHOO.util.Dom.getViewportWidth();},numericSort:function(D,C){return(D-C);},_timeoutCount:0,_addListeners:function(){var C=YAHOO.util.DDM;if(YAHOO.util.Event&&document){C._onLoad();}else{if(C._timeoutCount>2000){}else{setTimeout(C._addListeners,10);if(document&&document.body){C._timeoutCount+=1;}}}},handleWasClicked:function(C,E){if(this.isHandle(E,C.id)){return true;}else{var D=C.parentNode;while(D){if(this.isHandle(E,D.id)){return true;}else{D=D.parentNode;}}}return false;}};}();YAHOO.util.DDM=YAHOO.util.DragDropMgr;YAHOO.util.DDM._addListeners();}(function(){var A=YAHOO.util.Event;var B=YAHOO.util.Dom;YAHOO.util.DragDrop=function(E,C,D){if(E){this.init(E,C,D);}};YAHOO.util.DragDrop.prototype={events:null,on:function(){this.subscribe.apply(this,arguments);},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;},unlock:function(){this.locked=false;},isTarget:true,padding:null,dragOnly:false,useShim:false,_domRef:null,__ygDragDrop:true,constrainX:false,constrainY:false,minX:0,maxX:0,minY:0,maxY:0,deltaX:0,deltaY:0,maintainOffset:false,xTicks:null,yTicks:null,primaryButtonOnly:true,available:false,hasOuterHandles:false,cursorIsOver:false,overlap:null,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(){},getEl:function(){if(!this._domRef){this._domRef=B.get(this.id);
9}return this._domRef;},getDragEl:function(){return B.get(this.dragElId);},init:function(F,C,D){this.initTarget(F,C,D);A.on(this._domRef||this.id,"mousedown",this.handleMouseDown,this,true);for(var E in this.events){this.createEvent(E+"Event");}},initTarget:function(E,C,D){this.config=D||{};this.events={};this.DDM=YAHOO.util.DDM;this.groups={};if(typeof E!=="string"){this._domRef=E;E=B.generateId(E);}this.id=E;this.addToGroup((C)?C:"default");this.handleElId=E;A.onAvailable(E,this.handleOnAvailable,this,true);this.setDragElId(E);this.invalidHandleTypes={A:"A"};this.invalidHandleIds={};this.invalidHandleClasses=[];this.applyConfig();},applyConfig:function(){this.events={mouseDown:true,b4MouseDown:true,mouseUp:true,b4StartDrag:true,startDrag:true,b4EndDrag:true,endDrag:true,drag:true,b4Drag:true,invalidDrop:true,b4DragOut:true,dragOut:true,dragEnter:true,b4DragOver:true,dragOver:true,b4DragDrop:true,dragDrop:true};if(this.config.events){for(var C in this.config.events){if(this.config.events[C]===false){this.events[C]=false;}}}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);this.dragOnly=((this.config.dragOnly===true)?true:false);this.useShim=((this.config.useShim===true)?true: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)){if(G&&G.style&&(G.style.display=="none")){}else{}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=B.generateId(C);}this.handleElId=C;this.DDM.regHandle(this.id,C);},setOuterHandleElId:function(C){if(typeof C!=="string"){C=B.generateId(C);}A.on(C,"mousedown",this.handleMouseDown,this,true);this.setHandleElId(C);this.hasOuterHandles=true;},unreg:function(){A.removeListener(this.id,"mousedown",this.handleMouseDown);this._domRef=null;this.DDM._remove(this);},isLocked:function(){return(this.DDM.isLocked()||this.locked);},handleMouseDown:function(J,I){var D=J.which||J.button;if(this.primaryButtonOnly&&D>1){return;}if(this.isLocked()){return;}var C=this.b4MouseDown(J),F=true;if(this.events.b4MouseDown){F=this.fireEvent("b4MouseDownEvent",J);}var E=this.onMouseDown(J),H=true;if(this.events.mouseDown){if(E===false){H=false;}else{H=this.fireEvent("mouseDownEvent",J);}}if((C===false)||(E===false)||(F===false)||(H===false)){return;}this.DDM.refreshCache(this.groups);var G=new YAHOO.util.Point(A.getPageX(J),A.getPageY(J));if(!this.hasOuterHandles&&!this.DDM.isOverTarget(G,this)){}else{if(this.clickValidator(J)){this.setStartPosition();this.DDM.handleMouseDown(J,this);this.DDM.stopEvent(J);}else{}}},clickValidator:function(D){var C=YAHOO.util.Event.getTarget(D);return(this.isValidHandleChild(C)&&(this.id==this.handleElId||this.DDM.handleWasClicked(C,this.id)));},getTargetCoord:function(E,D){var C=E-this.deltaX;var F=D-this.deltaY;if(this.constrainX){if(C<this.minX){C=this.minX;}if(C>this.maxX){C=this.maxX;}}if(this.constrainY){if(F<this.minY){F=this.minY;}if(F>this.maxY){F=this.maxY;}}C=this.getTick(C,this.xTicks);F=this.getTick(F,this.yTicks);return{x:C,y:F};},addInvalidHandleType:function(C){var D=C.toUpperCase();this.invalidHandleTypes[D]=D;},addInvalidHandleId:function(C){if(typeof C!=="string"){C=B.generateId(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=B.generateId(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(F){var E=true;var H;try{H=F.nodeName.toUpperCase();}catch(G){H=F.nodeName;}E=E&&!this.invalidHandleTypes[H];E=E&&!this.invalidHandleIds[F.id];for(var D=0,C=this.invalidHandleClasses.length;E&&D<C;++D){E=!B.hasClass(F,this.invalidHandleClasses[D]);}return E;},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=parseInt(E,10);this.rightConstraint=parseInt(D,10);this.minX=this.initPageX-this.leftConstraint;this.maxX=this.initPageX+this.rightConstraint;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=parseInt(C,10);this.bottomConstraint=parseInt(E,10);this.minY=this.initPageY-this.topConstraint;this.maxY=this.initPageY+this.bottomConstraint;
10if(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(I,F){if(!F){return I;}else{if(F[0]>=I){return F[0];}else{for(var D=0,C=F.length;D<C;++D){var E=D+1;if(F[E]&&F[E]>=I){var H=I-F[D];var G=F[E]-I;return(G>H)?F[D]:F[E];}}return F[F.length-1];}}},toString:function(){return("DragDrop "+this.id);}};YAHOO.augment(YAHOO.util.DragDrop,YAHOO.util.EventProvider);})();YAHOO.util.DD=function(C,A,B){if(C){this.init(C,A,B);}};YAHOO.extend(YAHOO.util.DD,YAHOO.util.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);if(!this.deltaSetXY){var H=[E.x,E.y];YAHOO.util.Dom.setXY(C,H);var D=parseInt(YAHOO.util.Dom.getStyle(C,"left"),10);var B=parseInt(YAHOO.util.Dom.getStyle(C,"top"),10);this.deltaSetXY=[D-E.x,B-E.y];}else{YAHOO.util.Dom.setStyle(C,"left",(E.x+this.deltaSetXY[0])+"px");YAHOO.util.Dom.setStyle(C,"top",(E.y+this.deltaSetXY[1])+"px");}this.cachePosition(E.x,E.y);var A=this;setTimeout(function(){A.autoScroll.call(A,E.x,E.y,C.offsetHeight,C.offsetWidth);},0);},cachePosition:function(B,A){if(B){this.lastPageX=B;this.lastPageY=A;}else{var C=YAHOO.util.Dom.getXY(this.getEl());this.lastPageX=C[0];this.lastPageY=C[1];}},autoScroll:function(J,I,E,K){if(this.scroll){var L=this.DDM.getClientHeight();var B=this.DDM.getClientWidth();var N=this.DDM.getScrollTop();var D=this.DDM.getScrollLeft();var H=E+I;var M=K+J;var G=(L+N-I-this.deltaY);var F=(B+D-J-this.deltaX);var C=40;var A=(document.all)?80:30;if(H>L&&G<C){window.scrollTo(D,N+A);}if(I<N&&N>0&&I-N<C){window.scrollTo(D,N-A);}if(M>B&&F<C){window.scrollTo(D+A,N);}if(J<D&&D>0&&J-D<C){window.scrollTo(D-A,N);}}},applyConfig:function(){YAHOO.util.DD.superclass.applyConfig.call(this);this.scroll=(this.config.scroll!==false);},b4MouseDown:function(A){this.setStartPosition();this.autoOffset(YAHOO.util.Event.getPageX(A),YAHOO.util.Event.getPageY(A));},b4Drag:function(A){this.setDragElPos(YAHOO.util.Event.getPageX(A),YAHOO.util.Event.getPageY(A));},toString:function(){return("DD "+this.id);}});YAHOO.util.DDProxy=function(C,A,B){if(C){this.init(C,A,B);this.initFrame();}};YAHOO.util.DDProxy.dragElId="ygddfdiv";YAHOO.extend(YAHOO.util.DDProxy,YAHOO.util.DD,{resizeFrame:true,centerFrame:false,createFrame:function(){var B=this,A=document.body;if(!A||!A.firstChild){setTimeout(function(){B.createFrame();},50);return;}var F=this.getDragEl(),E=YAHOO.util.Dom;if(!F){F=document.createElement("div");F.id=this.dragElId;var D=F.style;D.position="absolute";D.visibility="hidden";D.cursor="move";D.border="2px solid #aaa";D.zIndex=999;D.height="25px";D.width="25px";var C=document.createElement("div");E.setStyle(C,"height","100%");E.setStyle(C,"width","100%");E.setStyle(C,"background-color","#ccc");E.setStyle(C,"opacity","0");F.appendChild(C);A.insertBefore(F,A.firstChild);}},initFrame:function(){this.createFrame();},applyConfig:function(){YAHOO.util.DDProxy.superclass.applyConfig.call(this);this.resizeFrame=(this.config.resizeFrame!==false);this.centerFrame=(this.config.centerFrame);this.setDragElId(this.config.dragElId||YAHOO.util.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);YAHOO.util.Dom.setStyle(A,"visibility","visible");},_resizeProxy:function(){if(this.resizeFrame){var H=YAHOO.util.Dom;var B=this.getEl();var C=this.getDragEl();var G=parseInt(H.getStyle(C,"borderTopWidth"),10);var I=parseInt(H.getStyle(C,"borderRightWidth"),10);var F=parseInt(H.getStyle(C,"borderBottomWidth"),10);var D=parseInt(H.getStyle(C,"borderLeftWidth"),10);if(isNaN(G)){G=0;}if(isNaN(I)){I=0;}if(isNaN(F)){F=0;}if(isNaN(D)){D=0;}var E=Math.max(0,B.offsetWidth-I-D);var A=Math.max(0,B.offsetHeight-G-F);H.setStyle(C,"width",E+"px");H.setStyle(C,"height",A+"px");}},b4MouseDown:function(B){this.setStartPosition();var A=YAHOO.util.Event.getPageX(B);var C=YAHOO.util.Event.getPageY(B);this.autoOffset(A,C);},b4StartDrag:function(A,B){this.showFrame(A,B);},b4EndDrag:function(A){YAHOO.util.Dom.setStyle(this.getDragEl(),"visibility","hidden");},endDrag:function(D){var C=YAHOO.util.Dom;var B=this.getEl();var A=this.getDragEl();C.setStyle(A,"visibility","");C.setStyle(B,"visibility","hidden");YAHOO.util.DDM.moveToEl(B,A);C.setStyle(A,"visibility","hidden");C.setStyle(B,"visibility","");},toString:function(){return("DDProxy "+this.id);}});YAHOO.util.DDTarget=function(C,A,B){if(C){this.initTarget(C,A,B);}};YAHOO.extend(YAHOO.util.DDTarget,YAHOO.util.DragDrop,{toString:function(){return("DDTarget "+this.id);}});YAHOO.register("dragdrop",YAHOO.util.DragDropMgr,{version:"2.9.0",build:"2800"});
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