/*
* nlstreeext_dd.js v2.2
* NlsTree Extension : Drap-drop operations
* This file is property of AddObject.com
* You are not allowed to use this script or 
* part of this script indepently without any interaction 
* with NLSTree Professional.
* Copyright 2005-2006, addObject.com. All Rights Reserved
* Author Jack Hermanto, www.addobject.com
*/
var nlsddSession=null;function NlsDDAction(){}NlsDDAction.DD_INSERT="I";NlsDDAction.DD_APPEND="A";function NlsDDSession(A,B){this.srcObj=A;this.srcData=B;this.destObj=null;this.destData=null;this.action=null;this.consume=function(){this.srcObj=null;this.srcData=null;this.destObj=null;this.destData=null;this.action=null}}function I18N(){this.notAllowed="Not allowed!"}function NlsTreeDD(A){this.tId=A;this.tree=nlsTree[A];this.tree.opt.evMouseUp=true;this.tree.opt.evMouseDown=true;this.tree.opt.evMouseOver=true;this.tree.opt.evMouseOut=true;this.tree.treeOnMouseUp=ddMouseUp;this.tree.treeOnMouseDown=ddMouseDown;this.tree.treeOnMouseOver=ddMouseOver;this.tree.treeOnMouseOut=ddMouseOut;this.tree.ddHandler=this;this.startDrag=startDrag;this.endDrag=endDrag;this.ic=[new Image()];this.ic[0].src=this.tree.defImgPath+"nodrop.gif";this.i18n=new I18N();this.onNodeDrag=onNodeDrag;this.onNodeDrop=onNodeDrop;this.canDrag=canDragNode;this.canDrop=canDropNode;return this}function startDrag(D){var C=NlsGetElementById("ddGesture");var H=window.scrollX?window.scrollX:document.body.scrollLeft;var G=window.scrollY?window.scrollY:document.body.scrollTop;C.style.left=D.clientX+H+5+"px";C.style.top=D.clientY+G+5+"px";C.style.zIndex=1;if(C.style.display=="none"){var F=nlsddSession.srcData;var I="";for(var B=0;B<F.length;B++){var E=NlsGetElementById(F[B].id).childNodes[0].childNodes[0].childNodes[0].childNodes[1];var A=null;if(nlsddSession.srcObj.opt.icon){A=E.childNodes[(E.childNodes.length>1?1:0)]}I+="<table cellpadding=0 cellspacing=0><td>"+(A?'<img src="'+A.src+'">':"&nbsp;")+'</td><td><a class="'+this.tree.opt.stlprf+'node">'+F[B].capt+"</a></td></table>"}C.innerHTML=I;C.style.display=""}this.onNodeDrag(D)}function endDrag(B){var A=NlsGetElementById("ddGesture");A.innerHTML="";A.style.display="none";document.onmousemove=null;document.onmouseup=null;document.onmousedown=function(){return true};document.onselectstart=function(){return true};document.onselectstart=function(){return true}}function getTargetId(A,B,D){if(nls_isIE){var C=A.nLst[B.srcElement.parentElement.parentElement.parentElement.parentElement.parentElement.id];if(C){return C.orgId}else{return D}}else{return D}}function ddMouseUp(A,C){var B=this.getNodeById(getTargetId(this,A,C));if(!nlsddSession){return false}if(!this.ddHandler.canDrop(B.orgId)){return false}nlsddSession.destObj=this;nlsddSession.destData=B;this.ddHandler.endDrag(A);this.ddHandler.onNodeDrop(A);nlsddSession=null}function ddMouseDown(C,E){if(this.$editing){return }var B=this.ddHandler;var A=this.genIntId(E);NlsTree._blockEdit=false;if(this.opt.multiSel){if(!this.isSelected(E)&&!(C.ctrlKey||C.shiftKey)){NlsTree._blockEdit=true;this.selectNode(A)}}else{if(this.selNd==null||this.selNd.id!=A){this.selectNode(A);NlsTree._blockEdit=true}}var D=this.getSelNodes();if(B.canDrag(E)){nlsddSession=new NlsDDSession(this,D);document.onmousemove=function(F){B.startDrag((F?F:event))};document.onmouseup=function(F){nlsddSession.action=null;B.endDrag((F?F:event))};document.onselectstart=function(){return false};document.onmousedown=function(){return false};document.ondragstart=function(){return false}}}function ddMouseOver(C,E){if(nlsddSession!=null&&document.onmousemove!=null){}else{return }var A=this.ddHandler;var D=getTargetId(this,C,E);if(!A.canDrop(D)){var B=NlsGetElementById("ddGesture");B.style.display="";B.innerHTML='<table cellpadding=0 cellspacing=0><td><img src="'+A.ic[0].src+'"></td><td><a class="'+this.opt.stlprf+'node">'+A.i18n.notAllowed+"</a></td></table>"}}function ddMouseOut(B,C){if(nlsddSession!=null&&document.onmousemove!=null){}else{return }var A=NlsGetElementById("ddGesture");A.style.display="none"
}function onNodeDrag(A){if(A.shiftKey){nlsddSession.action=NlsDDAction.DD_INSERT}else{nlsddSession.action=NlsDDAction.DD_APPEND}}function onNodeDrop(e){if(!nlsddSession){return }var sData,dData,sObj,dObj;with(nlsddSession){if(!action){return }sData=srcData;sObj=srcObj;dData=destData;dObj=destObj}if(sObj.tId==dObj.tId){switch(nlsddSession.action){case NlsDDAction.DD_INSERT:sObj.moveChild(sData,dData,2);break;case NlsDDAction.DD_APPEND:sObj.moveChild(sData,dData,1);break}}else{switch(nlsddSession.action){case NlsDDAction.DD_INSERT:for(i=0;i<sData.length;i++){with(sData[i]){var nNd=dObj.addBefore(null,dData.orgId,capt,url,(ic?ic.join(","):ic),exp,chk,xtra);if(fc){duplicateNode(fc,nNd)}}}dObj.reloadNode(dData.pr.orgId);break;case NlsDDAction.DD_APPEND:for(i=0;i<sData.length;i++){with(sData[i]){var nNd=dObj.append(null,dData.orgId,capt,url,(ic?ic.join(","):ic),exp,chk,xtra);if(fc){duplicateNode(fc,nNd)}}}dObj.reloadNode(nNd.orgId);dObj.expandNode(dData.orgId);break}}}function duplicateNode(C,A){do{var B=nlsddSession.destObj.add(null,A.orgId,C.capt,C.url,(C.ic?C.ic.join(","):C.ic),C.exp,C.chk,C.xtra);if(C.fc){duplicateNode(C.fc,B)}C=C.nx}while(C)}function canDragNode(C){if(this.tree.opt.multiSel){var B=this.tree.getSelNodes();for(var A=0;A<B.length;A++){if(B[A].allowDrag==false){return false}}}else{if(this.tree.getNodeById(C).allowDrag==false){return false}}return true}function canDropNode(F){var A=this.tree.getNodeById(F);var E=nlsddSession.srcData;var D=(nlsddSession.srcObj.tId==this.tree.tId);if(A.allowDrop==false){return false}if(!nlsddSession){return false}if(!nlsddSession.action){return false}if(!E||!A||E.length==0){return false}if(D){if(this.tree.isSelected(A.orgId)){return false}var C=A;while(C.pr){if(this.tree.isSelected(C.orgId)){return false}C=C.pr}switch(nlsddSession.action){case NlsDDAction.DD_INSERT:if(A.equals(this.tree.rt)){return false}for(var B=0;B<E.length;B++){if(E[B].nx&&A.equals(E[B].nx)){return false}}break;case NlsDDAction.DD_APPEND:if(this.tree.isSelected(this.tree.rt.orgId)){return false}for(var B=0;B<E.length;B++){if(A.equals(E[B].pr)){return false}}break}}else{switch(nlsddSession.action){case NlsDDAction.DD_INSERT:if(A.equals(this.tree.rt)){return false}case NlsDDAction.DD_APPEND:break}}return true}NlsTree._allowEdit=false;NLSTREE.ddHandler=null;NLSTREE.unloadChild=function(A){var B=A.pr;if(B.lc.equals(A)){B.lc=A.pv}if(B.fc.equals(A)){B.fc=A.nx}if(A.pv!=null){A.pv.nx=A.nx}if(A.nx!=null){A.nx.pv=A.pv}A.nx=null;A.pv=null;A.pr=null;if(this.selNd){this.selNd=null;this.selElm=null}if(this.opt.multiSel){this.msRemove(A.orgId)}};NLSTREE.moveChild=function(B,G,F){if(!B||!G||B.length==0){return }if(this.isSelected(G.orgId)){return }var D=G;while(D.pr){if(this.isSelected(D.orgId)){return }D=D.pr}switch(F){case 1:if(this.isSelected(this.rt.orgId)){return }for(var E=0;E<B.length;E++){if(G.equals(B[E].pr)){false}}for(var E=0;E<B.length;E++){var J=B[E].pr;this.unloadChild(B[E]);this.reloadNode(J.orgId);B[E].pr=G;if(G.lc==null){G.fc=B[E];G.lc=B[E]}else{var I=G.fc;if(this.opt.sort!="no"){do{if(this.opt.sort=="asc"?this.compareNode(I,B[E]):this.compareNode(B[E],I)){break}I=I.nx}while(I!=null);if(I!=null){if(I.pv==null){I.pv=B[E];G.fc=B[E]}else{B[E].pv=I.pv;I.pv.nx=B[E];I.pv=B[E]}B[E].nx=I}}if(this.opt.sort=="no"||I==null){B[E].pv=G.lc;G.lc.nx=B[E];G.lc=B[E]}}}this.reloadNode(G.orgId);this.expandNode(G.orgId);break;case 2:case 3:var C="pv";var H="nx";var A="lc";if(F==2){C="nx";H="pv";A="fc"}if(G.equals(this.rt)){return }for(var E=0;E<B.length;E++){if(B[E][C]&&G.equals(B[E][C])){return }}for(var E=0;E<B.length;E++){var J=B[E].pr;this.unloadChild(B[E]);this.reloadNode(J.orgId);B[E].pr=G.pr;if(G[H]==null){G[H]=B[E];G.pr[A]=B[E]}else{B[E][H]=G[H];G[H][C]=B[E];G[H]=B[E]}B[E][C]=G}this.reloadNode(G.pr.orgId);break}};function nls_setNodeDnD(B,E,D,A,C){if(C==true){B.loopTree(B.getNodeById(E),function(F){F[D]=A})}else{B.getNodeById(E)[D]=A}}NLSTREE.setDrag=function(C,A,B){nls_setNodeDnD(this,C,"allowDrag",A,B)};NLSTREE.setDrop=function(C,A,B){nls_setNodeDnD(this,C,"allowDrop",A,B)
};NlsNode.prototype.allowDrag=true;NlsNode.prototype.allowDrop=true;