Tree.Item=Class.create();Tree.Item.findComponent=function(elt){while(elt&&(!elt.tagName||elt.tagName.toLowerCase()!='table')){elt=elt.parentNode;}
return elt.object;};Tree.Item.fireCollapsionEvent=function(elt){return Tree.Item.findComponent(elt).fireCollapsionEvent();};Tree.Item.fireExpansionEvent=function(elt){return Tree.Item.findComponent(elt).fireExpansionEvent();};Tree.Item.prototype={initialize:function(id,tree,parent,ajaxUpdate){this.parent=parent;this.tree=tree;this.elements={};var element;if(typeof id=='string'){element=$(id);this.id=id;}else{element=id;this.id=element.id;}
element.object=this;var rows=element.rows;this.elements.mainRow=rows[0];var sibling=element.nextSibling;var siblingId=this.id+Tree.ID_DEVIDER+Tree.ID_CHILDS_ROW;while(sibling&&sibling.id!=siblingId){sibling=sibling.nextSibling};this.elements.childrenRow=sibling;var handlesId=this.id+Tree.ID_DEVIDER+Tree.ID_HANDLES;var iconId=this.id+Tree.ID_DEVIDER+Tree.ID_ICON;var textId=this.id+Tree.ID_DEVIDER+Tree.ID_TEXT;this.getElements(element,ajaxUpdate);var handles=null;var cells=this.elements.mainRow.cells;if("NETSCAPE"==RichFaces.navigatorType()){for(var i=0;i<cells.length;i++){if(cells[i].id==iconId){this.elements.iconElement=cells[i];}else if(cells[i].id==textId){this.elements.textElement=cells[i];}else if(cells[i].id==handlesId){handles=cells[i];}
if(this.elements.iconElement&&this.elements.textElement&&handles){break;}}}else{this.elements.iconElement=cells[iconId];this.elements.textElement=cells[textId];handles=cells[handlesId];}
var handleId=this.id+Tree.ID_DEVIDER+Tree.ID_HANDLE;var handleImgExpandedId=handleId+Tree.ID_DEVIDER+Tree.ID_HANDLE_IMG_EXPANDED;var handleImgCollapsedId=handleId+Tree.ID_DEVIDER+Tree.ID_HANDLE_IMG_COLLAPSED;this.elements.handle=Richfaces.firstDescendant(Richfaces.firstDescendant(handles));if(this.elements.handle.id==handleId){this.elements.handleImgCollapsed=Richfaces.firstDescendant(this.elements.handle);this.elements.handleImgExpanded=Richfaces.next(this.elements.handleImgCollapsed);if(this.elements.handleImgExpanded.id!=handleImgExpandedId||this.elements.handleImgCollapsed.id!=handleImgCollapsedId){throw"Script inconsistency detected! Please inform developers...";}}else{this.elements.handle=null;}
this.eventSelectionClick=this.toggleSelection.bindAsEventListener(this);this.eventMouseOut=this.processMouseOut.bindAsEventListener(this);this.eventMouseOver=this.processMouseOver.bindAsEventListener(this);var dragOpts=this._getDraggableOptions();if(dragOpts){this.enableDraggableCursors(dragOpts.grab,dragOpts.grabbing);}
var dropOpts=this.getDropzoneOptions();if(dropOpts){this.enableDropzoneCursors(dropOpts.acceptCursor,dropOpts.rejectCursor);}
this.observeEvents();this.previousTextClassNames=null;this.highlightedTextClassNames=null;this.selectedTextClassNames=null;},destroy:function(){if(this==this.tree.selectionManager.activeItem){this.tree.selectionManager.activeItem=null;}
for(var i=0;i<this.childs.length;i++){this.childs[i].destroy();}
this.childs=null;},observeEvents:function(){if(this.elements.iconElement){var contextMenu=Richfaces.getNSAttribute("oncontextmenu",this.elements.iconElement);if(contextMenu&&contextMenu.length>0){this.onContextMenu=new Function("event",contextMenu+"; return true;").bindAsEventListener(this);}
Event.observe(this.elements.iconElement,"mousedown",this.eventSelectionClick);Event.observe(this.elements.iconElement,"mouseout",this.eventMouseOut);Event.observe(this.elements.iconElement,"mouseover",this.eventMouseOver);if(this.onContextMenu){this.elements.iconElement.oncontextmenu=this.onContextMenu;}}
if(this.elements.textElement)
{Event.observe(this.elements.textElement,"mousedown",this.eventSelectionClick);Event.observe(this.elements.textElement,"mouseout",this.eventMouseOut);Event.observe(this.elements.textElement,"mouseover",this.eventMouseOver);if(this.onContextMenu){this.elements.textElement.oncontextmenu=this.onContextMenu;}}
if(this.tree.switchType=="client"&&this.childs.length>0){this.eventCollapsionClick=this.toggleCollapsion.bindAsEventListener(this);var handleElt=this.tree.toggleOnClick?this.elements.mainRow:this.elements.handle;Event.observe(handleElt,"click",this.eventCollapsionClick);}},getElements:function(element,ajaxUpdate){this.childs=[];var childsTd=element.nextSibling;if(ajaxUpdate&&this.tree.showConnectingLines){var cell=element.rows[0].cells[0];if(cell.style&&cell.style.removeExpression){cell.style.backgroundImage=cell.currentStyle.backgroundImage;cell.style.removeExpression('backgroundImage');}
if(childsTd){if(childsTd.style&&childsTd.style.removeExpression){childsTd.style.backgroundImage=childsTd.currentStyle.backgroundImage;childsTd.style.removeExpression('backgroundImage');}}}
if(childsTd){var child=childsTd.firstChild;while(child!=null)
{if(child.nodeType==1&&child.tagName.toLowerCase()=="table"){this.addChild(new Tree.Item(child,this.tree,this));}
child=child.nextSibling;}}},addChild:function(child){this.childs.push(child);},fireExpansionEvent:function(){var props=new Object();props[Richfaces.TreeExpandEvent]=true;props["expandedNode"]=this.id;props["treeItem"]=this;Richfaces.createEvent("click",this.tree.element,null,props).fire();},fireCollapsionEvent:function(){var props=new Object();props[Richfaces.TreeCollapseEvent]=true;props["collapsedNode"]=this.id;props["treeItem"]=this;Richfaces.createEvent("click",this.tree.element,null,props).fire();},toggleCollapsion:function(){var row=this.id+Tree.ID_DEVIDER+Tree.ID_CHILDS_ROW;if(this.hasChilds())Element.toggle(row);var e=this.elements.mainRow;if(e){Element.hide(e);Element.show(e);}
var nodeStateInput=$(this.id+"NodeExpanded");var eIcon=this.elements.iconElement;if(this.isCollapsed()){Element.hide(this.elements.handleImgExpanded);Element.show(this.elements.handleImgCollapsed);if(eIcon&&Element.hasClassName(eIcon,Tree.CLASS_ITEM_EXPANDED)){Element.removeClassName(eIcon,Tree.CLASS_ITEM_EXPANDED);Element.addClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED);}
if(nodeStateInput){nodeStateInput.value="false";}
this.fireCollapsionEvent();}else{Element.show(this.elements.handleImgExpanded);Element.hide(this.elements.handleImgCollapsed);if(eIcon&&Element.hasClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED)){Element.removeClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED);Element.addClassName(eIcon,Tree.CLASS_ITEM_EXPANDED);}
if(nodeStateInput){nodeStateInput.value="true";}
this.fireExpansionEvent();}},getRichAttribute:function(name){return Richfaces.getNSAttribute(name,this.elements.iconElement);},collapse:function(){if(!this.isCollapsed()&&this.tree.switchType!="client"){var handleElt=$(this.tree.toggleOnClick?this.elements.mainRow:this.elements.handle);if(handleElt){handleElt.onclick();}}else if(this.hasChilds()&&!this.isCollapsed()){Element.hide(this.elements.childrenRow);Element.hide(this.elements.handleImgExpanded);Element.show(this.elements.handleImgCollapsed);var eIcon=this.elements.iconElement;if(eIcon&&Element.hasClassName(eIcon,Tree.CLASS_ITEM_EXPANDED)){Element.removeClassName(eIcon,Tree.CLASS_ITEM_EXPANDED);Element.addClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED);}
var nodeStateInput=$(this.id+"NodeExpanded");if(nodeStateInput){nodeStateInput.value="false";}
this.fireCollapsionEvent();}},expand:function(){if(this.isCollapsed()&&this.tree.switchType!="client"){var handleElt=$(this.tree.toggleOnClick?this.elements.mainRow:this.elements.handle);if(handleElt){handleElt.onclick();}}else if(this.hasChilds()&&this.isCollapsed()){Element.show(this.elements.childrenRow);Element.show(this.elements.handleImgExpanded);Element.hide(this.elements.handleImgCollapsed);var eIcon=this.elements.iconElement;if(eIcon&&Element.hasClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED)){Element.removeClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED);Element.addClassName(eIcon,Tree.CLASS_ITEM_EXPANDED);}
var nodeStateInput=$(this.id+"NodeExpanded");if(nodeStateInput){nodeStateInput.value="true";}
this.fireExpansionEvent();}},isCollapsed:function(){var e=this.elements.childrenRow;if(e){return e.style.display=="none";}else{return true;}},processMouseOut:function(e){if(this.isMouseIn){this.isMouseIn=false;var eText=this.elements.textElement;eText.className=this.previousTextClassNames;this.previousTextClassNames=null;if(window.drag){this.dragLeave(e);}}},processMouseOver:function(e){if(!this.isMouseIn){this.isMouseIn=true;var eText=this.elements.textElement;this.previousTextClassNames=eText.className;if(!this.highlightedTextClassNames)
{this.highlightedTextClassNames=Richfaces.getNSAttribute("highlightedclass",eText);}
if(this.highlightedTextClassNames){eText.className+=" "+this.highlightedTextClassNames;}
if(window.drag){this.dragEnter(e);}}},toggleSelection:function(e){if(e&&!e[Richfaces.TreeSelectEvent]&&!Richfaces.eventIsSynthetic(e)){if(e&&e.type=="mousedown"){if(Event.isLeftClick(e)){var src=Event.element(e);if(src.tagName&&/^(input|select|option|button|textarea)$/i.test(src.tagName))
return;Event.stop(e);}else{return;}}
var props=new Object();props[Richfaces.TreeSelectEvent]=true;props["originatingEventType"]=e.type;props["treeItem"]=this;props["selectedNode"]=this.id;var evt=Richfaces.createEvent("click",this.tree.element,null,props);evt.fire();return!evt.event["cancelSelection"];}else{var activeItem=this.tree.selectionManager.activeItem;if(activeItem){activeItem.deselect();}
var eText=this.elements.textElement;if(!this.selectedTextClassNames)
{this.selectedTextClassNames=Richfaces.getNSAttribute("selectedclass",eText);}
if(this.selectedTextClassNames){var classNames=this.selectedTextClassNames.split(' ')
for(var i=0;i<classNames.length;i++){Element.addClassName(eText,classNames[i]);}
if(this.previousTextClassNames&&this.previousTextClassNames.indexOf(this.selectedTextClassNames)==-1)
{this.previousTextClassNames+=" "+this.selectedTextClassNames;}
this.tree.input.value=this.id;this.tree.selectionManager.activeItem=this;if(this.tree.options.onSelection)this.tree.options.onSelection(this.id);this.tree.showNode(eText.parentNode);}
if(e&&e["originatingEventType"]=="mousedown"){this.startDrag(e);}
return true;}},isSelected:function(){return Element.hasClassName(this.elements.textElement,Tree.CLASS_ITEM_SELECTED);},deselect:function(){var eText=this.elements.textElement;if(this.selectedTextClassNames){var prevClassesSplit=this.previousTextClassNames?this.previousTextClassNames.split(' '):undefined;var classNames=this.selectedTextClassNames.split(' ')
for(var i=0;i<classNames.length;i++){var className=classNames[i];Element.removeClassName(eText,className);if(prevClassesSplit){prevClassesSplit=prevClassesSplit.without(className);}}
if(prevClassesSplit){this.previousTextClassNames=prevClassesSplit.join(' ');}}},next:function(){var children=this.parent.childs;for(var i=0;i<children.length-1;i++){if(children[i]==this){return children[i+1];}}
return this;},previous:function(){var children=this.parent.childs;for(var i=1;i<children.length;i++){if(children[i]==this){return children[i-1];}}
return this;},hasChilds:function(){return this.childs.length>0;},getElement:function(){return $(this.id);},isLeaf:function(){return!this.elements.handle;}}