Thats exactly what I am looking for, a way to access public variables from within the custom item renederer.
Thank You Dan Vega [email protected] http://www.danvega.org On Fri, Jan 9, 2009 at 5:27 PM, Tracy Spratt <[email protected]> wrote: > I am not exactly sure what you are trying to do. Are you trying to > test the data Item to see if it is the root node of the tree? > > > > What is the dataProvider? If it is xml, you could test for parent() == > null. > > > > If it is nested collections then your connections would need to exponse a > parent poperty. > > > > Of course, within an itemRender instance, as with any instance you can > access public members through the dom properties, like parentDocument, and > Application.application > > > > Tracy Spratt > Lariat Services > > Flex development bandwidth available > ------------------------------ > > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *Dan Vega > *Sent:* Friday, January 09, 2009 3:50 PM > *To:* [email protected] > *Subject:* [flexcoders] Custom Tree Item Renderer > > > > I have a custom tree item renderer that is working out great except one > little small problem. In my item renderer I have some actions for adding / > removing / renaming directories. The only time I don't want the remove or > rename context menu items is when its the home directory. I know that I can > hack it and hard code it here because the data object is passed to each > function. > > What I am trying to do though is going back to the main part of the > applicaiton (or pass in) the baseDirectory so I can account for change. Has > anyone got data in/or out of a renderer before? If it was just another class > it would be easy to put in the constructor but there is no constructor when > you add it to the tree. > > **** itemRenderer="com.rocketfm.CustomTreeItemRenderer" > > package com.rocketfm { > > import flash.display.DisplayObject; > import flash.events.ContextMenuEvent; > import flash.ui.ContextMenu; > import flash.ui.ContextMenuItem; > > import mx.collections.*; > import mx.controls.treeClasses.*; > import mx.core.Application; > import mx.managers.PopUpManager; > > import views.AddDirectory; > import views.DeleteDirectory; > import views.RenameDirectory; > > public class CustomTreeItemRenderer extends TreeItemRenderer { > > private var renameWin:RenameDirectory; > private var addWin:AddDirectory; > private var delWin:DeleteDirectory; > > public function CustomTreeItemRenderer(basePath) { > super(); > > var menu:ContextMenu = new ContextMenu(); > var add:ContextMenuItem = new ContextMenuItem("Add Folder"); > var remove:ContextMenuItem = new ContextMenuItem("Remove > Folder"); > var rename:ContextMenuItem = new ContextMenuItem("Rename > Folder"); > var download:ContextMenuItem = new ContextMenuItem("Download > All"); > > > add.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT,addDirectory); > > remove.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT,removeDirectory); > > rename.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT,renameDirectory); > > > menu.hideBuiltInItems(); > menu.customItems.push(add); > menu.customItems.push(remove); > menu.customItems.push(rename); > > this.contextMenu = menu; > } > > private function addDirectory(event:ContextMenuEvent):void { > addWin = new AddDirectory(); > addWin.dirPath = data.path; > addWin.parentPath = data.parent; > addWin.item = data; > // add window > > PopUpManager.addPopUp(addWin,DisplayObject(Application.application),true); > } > > private function removeDirectory(event:ContextMenuEvent):void { > delWin = new DeleteDirectory(); > delWin.item = data; > // delete window > > PopUpManager.addPopUp(delWin,DisplayObject(Application.application),true); > } > > private function renameDirectory(event:ContextMenuEvent):void { > renameWin = new RenameDirectory(); > renameWin.item = data; > renameWin.oldDirectoryName = data.name; > renameWin.parentPath = data.parent; > // rename window > > PopUpManager.addPopUp(renameWin,DisplayObject(Application.application),true); > } > } > } > > > Thank You > Dan Vega > [email protected] > http://www.danvega.org > > >
