nm..im a dummy! got it
On Fri, Dec 19, 2008 at 3:06 PM, Dan Vega <[email protected]> wrote: > I think I am finally getting some where. In case you don't know what I have > been up to I will bring you up to speed. I am building a file explorer where > the left side will only be directories. When you select a directory the > contents (files) will show up in a datagrid on the right. I was having some > issue with display branches but I solved that by inserting an empty array on > any folder i knew had children. > > Now I am trying to append the directories when the user starts drilling > down. So first I have an onItemOpen() method for when the folder is opened. > All this does is figure out the path and call my server side function that > will retrieve me a list of directories for a given path. > > private function onItemOpen(event:TreeEvent):void { > var path:String = event.item.path; > FileManager.getDirectories(path); > } > > I have a onResult method for the getDirectories() method called > listDirectories(). What I am doing here is > > 1. getting the list of directories. > 2. if the tree data provider (_directorheies) is null we know this is the > base. > 3. if not I am trying to figure out a way to append this array (or swap > out) with the children empty array i have as a placeholder. > > Is this the right approach? I am obviously doing something wrong, hope > someone can point that out! > > private function listDirectories(event:ResultEvent):void { > var dirs:Array = event.result as Array; > var parent:String = dirs[0].parent; > var pos:uint = -1; > > // if the _directories array is null this is our root > request > if(_directories == null) { > _directories = dirs; > }else { > // we know the parent of the item that was clicked, > find the array position > for(var i in _directories){ > if(_directories[i].path == parent){ > pos = i; > break; > } > } > //if we found the position append the directories to > the children node > _directories[i].children = dirs; > trace(ObjectUtil.toString(_directories)); > } > } > > > >
