Hello, I can't download this file, it would be great if someone could resend. Thanks you !
--- In flexcoders@yahoogroups.com, "Yves Riel" <r...@...> 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! >
