GXT 3.0 - expand and collapse events for TreeGrid

[dierp]

I can't find any way to intercept expand and collapse events for the TreeGrid... am I missing something or is this just not supported?

Thanks

[gishmo]

Have you tried tree.addBeforeExpandHandler(...)?

[dierp]

Thanks for the reply, unfortunately I need to use a TreeGrid not a Tree.

Actually, I would happily use a Tree but I also need it to be editable and can't find any way to make an editable Tree.

Seems like a bit of a catch 22, need an editable Tree use a TreeGrid, need to handle expand and collapse use a Tree. Need both...

[gishmo]

I think you will be able to use a tree for editable items.

Just write your own cell, based Cell<C>, override onBrowserEvent and onRender with the behavior you want and use setCell(yourCell) to set the Cell inside the tree.

I would give this a try.

[esag_dk]

Is there a reason, expand and collapse events are not supported in a TreeGrid? I also miss that feature.

[darrellmeyer]

TreeGrid now implements HasBeforeCollapseItemHandlers, HasCollapseItemHandlers, HasBeforeExpandItemHandlers, and HasExpandItemHandlers. Changes are in RC2:

http://www.sencha.com/forum/showthre...-now-available

[esag_dk]

Wow, that was fast - thanks!