10 lines
24 KiB
JavaScript
10 lines
24 KiB
JavaScript
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/*
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Copyright (c) 2008, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.net/yui/license.txt
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version: 2.6.0
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*/
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if(!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.
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}if(!this.isOverTarget(P,d,this.mode,U)){c.outEvts.push(d);}I[S]=true;delete this.dragOvers[S];}for(var R in a.groups){if("string"!=typeof R){continue;}for(S in this.ids[R]){var G=this.ids[R][S];if(!this.isTypeOfDD(G)){continue;}if(G.isTarget&&!G.isLocked()&&G!=a){if(this.isOverTarget(P,G,this.mode,U)){D[R]=true;if(L){c.dropEvts.push(G);}else{if(!I[G.id]){c.enterEvts.push(G);}else{c.overEvts.push(G);}this.dragOvers[G.id]=G;}}}}}this.interactionInfo={out:c.outEvts,enter:c.enterEvts,over:c.overEvts,drop:c.dropEvts,point:P,draggedRegion:U,sourceRegion:this.locationCache[a.id],validDrop:L};for(var C in D){Q.push(C);}if(L&&!c.dropEvts.length){this.interactionInfo.validDrop=false;if(a.events.invalidDrop){a.onInvalidDrop(V);a.fireEvent("invalidDropEvent",{e:V});}}for(S=0;S<E.length;S++){var Y=null;if(c[E[S]+"Evts"]){Y=c[E[S]+"Evts"];}if(Y&&Y.length){var H=E[S].charAt(0).toUpperCase()+E[S].substr(1),X="onDrag"+H,J="b4Drag"+H,O="drag"+H+"Event",W="drag"+H;if(this.mode){if(a.events[J]){a[J](V,Y,Q);a.fireEvent(J+"Event",{event:V,info:Y,group:Q});}if(a.events[W]){a[X](V,Y,Q);a.fireEvent(O,{event:V,info:Y,group:Q});}}else{for(var Z=0,T=Y.length;Z<T;++Z){if(a.events[J]){a[J](V,Y[Z].id,Q[0]);a.fireEvent(J+"Event",{event:V,info:Y[Z].id,group:Q[0]});}if(a.events[W]){a[X](V,Y[Z].id,Q[0]);a.fireEvent(O,{event:V,info:Y[Z].id,group:Q[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.u
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}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){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);},removeInval
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}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 G=this.getDragEl(),E=YAHOO.util.Dom;if(!G){G=document.createElement("div");G.id=this.dragElId;var D=G.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");G.appendChild(C);if(YAHOO.env.ua.ie){var F=document.createElement("iframe");F.setAttribute("src","javascript: false;");F.setAttribute("scrolling","no");F.setAttribute("frameborder","0");G.insertBefore(F,G.firstChild);E.setStyle(F,"height","100%");E.setStyle(F,"width","100%");E.setStyle(F,"position","absolute");E.setStyle(F,"top","0");E.setStyle(F,"left","0");E.setStyle(F,"opacity","0");E.setStyle(F,"zIndex","-1");E.setStyle(F.nextSibling,"zIndex","2");}A.insertBefore(G,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.
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