Tree Questions - Ext JS

A couple questions:

Is it possible to only allow certain nodes to be drag and drop?

Is it possible to attach custom parameters to a node depending on the node type?

Is it possible to allow drag and drop between trees while limiting re-ordering within one of those two trees?

I have read the examples thoroughly and I have been reading a lot of documention. If anyone has any info here, I'd really appreciate it.

# 2   02-26-2007, 03:17 PM

Re: Tree Questions Quote: Originally Posted by FuryVII Is it possible to only allow certain nodes to be drag and drop? Yes, definitely! On the specific nodes you don't want draggable, include "draggable: false" on the node or nodes you don't want be draggable. As far as setting whether a node can have things dropped on it, you'll need to set a listender on the nodedragover event. In there you'll need to write your own logic to return false if the current node can't have things dropped on it. Quote: Originally Posted by FuryVII Is it possible to attach custom parameters to a node depending on the node type? Yes, you can attach pretty much anything custom you want to any node. Then, those properties and values are available in an attributes property for you. Quote: Originally Posted by FuryVII Is it possible to allow drag and drop between trees while limiting re-ordering within one of those two trees? Yes, I should think that's doable as well though the exact means for accomplishing it escape me at the moment.

# 3   02-26-2007, 03:40 PM

Thanks for your input. I have previsouly read about allowDrap and allowDrop and draggable for nodes. Even when I set the properties to false they seem to allow me to DnD. I'm still looking into though.

# 4   02-27-2007, 10:05 AM

allowDrag/allowDrop Make sure you set them in the config (they are config time only properties). To limit reorder within the same try, you will need to listen for the associated events and check the tree property and cancel if needed. It sounds complicated, but it shouldn't take more than 10 lines of code.