Thanks a lot, Flash (Flex) community is amazing :) I'll try that!
Romu Yves Riel wrote: > > I have done something similar lately except for the spring > loaded opening mechanism. The problem that I saw with Alex Harui's > approach was that you had to turn a leaf into a branch before being > able to drop a node on it. That impacts the icons that represent the > nodes and I still wanted a leaf node to be represented with a leaf > icon up to the point where it contains children. If all your nodes > (leaf or branch) have the same icon, then you could make all the nodes > branches through a custom ITreeDataDescriptor. You'll have to live > with having the small arrow to the left on every node. > > What I finally did was to overload some tree methods. If the drag & > drop is over the bottom half portion of a node, I highlight it and > rewrite the parent and rowIndex properties of the _dropData property. > That works well. You could extend the logic to open up the folder > after the drop and add a spring loaded opening mechanism. > > I'm attaching some code but I had to clean it up to remove proprietary > information. Not sure if it still compiles but that's a starting point :-) > > Hope it helps! > > > > >
