Tree.Item=Class.create();Tree.Item.prototype={initialize:function(id,tree,parent,ajaxUpdate){this.parent=parent;this.tree=tree;this.elements={};this.elementID={};var element;if(typeof id=='string'){element=$(id);this.id=id;}else{element=id;this.id=element.id;}
element.object=this;this.elementID.children=this.id+Tree.ID_DEVIDER+Tree.ID_CHILDS_ROW;this.elementID.mainRow=this.id+Tree.ID_DEVIDER+Tree.ID_MAIN_ROW;this.elementID.handle=this.id+Tree.ID_DEVIDER+Tree.ID_HANDLE;this.elementID.handleImgExpanded=this.elementID.handle+Tree.ID_DEVIDER+Tree.ID_HANDLE_IMG_EXPANDED;this.elementID.handleImgCollapsed=this.elementID.handle+Tree.ID_DEVIDER+Tree.ID_HANDLE_IMG_COLLAPSED;this.elementID.icon=this.id+Tree.ID_DEVIDER+Tree.ID_ICON;this.elementID.text=this.id+Tree.ID_DEVIDER+Tree.ID_TEXT;this.getElements(element,ajaxUpdate);this.eventSelectionClick=this.toggleSelection.bindAsEventListener(this);this.eventMouseOut=this.processMouseOut.bindAsEventListener(this);this.eventMouseOver=this.processMouseOver.bindAsEventListener(this);if(this.onContextMenu){this.eventRightClick=this.onContextMenu.bindAsEventListener();}
this.observeEvents(element);},destroy:function(){if(this==this.tree.selectionManager.activeItem){this.tree.selectionManager.activeItem=null;}
for(var i=0;i<this.childs.length;i++){this.childs[i].destroy();}
this.childs=null;},observeEvents:function(element){var eIcon=null;var eText=null;if("NETSCAPE"==RichFaces.navigatorType()){eIcon=$(this.elementID.icon);eText=$(this.elementID.text);}else{var cells=element.rows[0].cells;eIcon=cells[this.elementID.icon];eText=cells[this.elementID.text];}
if(eIcon){Event.observe(eIcon,"mousedown",this.eventSelectionClick);Event.observe(eIcon,"mouseout",this.eventMouseOut);Event.observe(eIcon,"mouseover",this.eventMouseOver);if(this.eventRightClick){eIcon.oncontextmenu=this.eventRightClick;}}
if(eText)
{Event.observe(eText,"mousedown",this.eventSelectionClick);Event.observe(eText,"mouseout",this.eventMouseOut);Event.observe(eText,"mouseover",this.eventMouseOver);if(this.eventRightClick){eText.oncontextmenu=this.eventRightClick;}}
if(this.tree.switchType=="client"&&this.childs.length>0){this.eventCollapsionClick=this.toggleCollapsion.bindAsEventListener(this);var handleElt=this.tree.toggleOnClick?this.elementID.mainRow:this.elementID.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.elementID.mainRow)
if(e){Element.hide(e);Element.show(e);}
var nodeStateInput=$(this.id+"NodeExpanded");var eIcon=$(this.elementID.icon);if(this.isCollapsed()){Element.hide(this.elementID.handleImgExpanded);Element.show(this.elementID.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.elementID.handleImgExpanded);Element.hide(this.elementID.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,$(this.elementID.icon));},collapse:function(){if(!this.isCollapsed()&&this.tree.switchType!="client"){var handleElt=$(this.tree.toggleOnClick?this.elementID.mainRow:this.elementID.handle);if(handleElt){handleElt.onclick();}}
if(this.hasChilds()&&!this.isCollapsed()){Element.hide(this.elementID.children);Element.hide(this.elementID.handleImgExpanded);Element.show(this.elementID.handleImgCollapsed);var eIcon=$(this.elementID.icon);if(eIcon&&Element.hasClassName(eIcon,Tree.CLASS_ITEM_EXPANDED)){Element.removeClassName(eIcon,Tree.CLASS_ITEM_EXPANDED);Element.addClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED);}}
this.fireCollapsionEvent();},expand:function(){if(this.isCollapsed()&&this.tree.switchType!="client"){var handleElt=$(this.tree.toggleOnClick?this.elementID.mainRow:this.elementID.handle);if(handleElt){handleElt.onclick();}}
if(this.hasChilds()&&this.isCollapsed()){Element.show(this.elementID.children);Element.show(this.elementID.handleImgExpanded);Element.hide(this.elementID.handleImgCollapsed);var eIcon=$(this.elementID.icon);if(eIcon&&Element.hasClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED)){Element.removeClassName(eIcon,Tree.CLASS_ITEM_COLLAPSED);Element.addClassName(eIcon,Tree.CLASS_ITEM_EXPANDED);}}
this.fireExpansionEvent();},isCollapsed:function(){var e=$(this.elementID.children);if(e){return e.style.display=="none";}else{return true;}},processMouseOut:function(e){if(this.isMouseIn){this.isMouseIn=false;var eText=$(this.elementID.text);var hClass=Richfaces.getNSAttribute("highlightedclass",eText);if(hClass){var classNames=hClass.split(' ')
for(var i=0;i<classNames.length;i++){Element.removeClassName(eText,classNames[i]);}
if(window.drag){this.dragLeave(e);}}}},processMouseOver:function(e){if(!this.isMouseIn){this.isMouseIn=true;var eText=$(this.elementID.text);var hClass=Richfaces.getNSAttribute("highlightedclass",eText);if(hClass){var classNames=hClass.split(' ')
for(var i=0;i<classNames.length;i++){Element.addClassName(eText,classNames[i]);}
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.elementID.text);var sClass=Richfaces.getNSAttribute("selectedclass",eText);if(sClass){var classNames=sClass.split(' ')
for(var i=0;i<classNames.length;i++){Element.addClassName(eText,classNames[i]);}
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.elementID.text,Tree.CLASS_ITEM_SELECTED);},deselect:function(){var eText=$(this.elementID.text);var sClass=Richfaces.getNSAttribute("selectedclass",eText);if(sClass){var classNames=sClass.split(' ')
for(var i=0;i<classNames.length;i++){Element.removeClassName(eText,classNames[i]);}}},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;}}