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    Looks like we can't reproduce the issue or there's a problem in the test case provided.
  1. 22 Oct 2012 7:59 AM #1
    Caius Caesar
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    Default Ext 4.1: Nested droptargets

    Ext 4.1: Nested droptargets


    Problem with nested DropTarget

    Hi,
    I have panel A which contains two panels (B and C).

    All Panels (A, B and C) are configured to be droptargets for treenodes.

    I would expect that the drop event would occur on the innermost panel (in this case B or C) when I drop something on them, but the drop event occurs on the outer panel A only.

    Looking at the code of DragDropManager I gather that he iterates over all droptargets and returns the first one with matching coordinates. In my case this happens always to be the outermost container.

    I would expect that the inner panels get preference in receiving the drop event!

    Regards,
    Caius

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  2. 22 Oct 2012 12:29 PM #2
    mitchellsimoens
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    It's not my app but I don't think I would have drop targets within drop targets.
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  3. 22 Oct 2012 4:15 PM #3
    evant
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    This might be something we'll look at addressing in Ext 5, the DD code is a bit clunky at the moment, so this is likely something to be improved then.
    Evan Trimboli
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  4. 22 Oct 2012 6:08 PM #4
    kevin.chen
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    You can create one DropZoneA to cover B an C, each B and C is a node inside DropZoneA, for A-B-C you need to implement following methods
    onContainerOver()
    onContainerDrop()
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  5. 22 Oct 2012 11:54 PM #5
    Caius Caesar
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    I'm on a tight deadline here. I assume Ext 5 isn't due for some time?
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  6. 22 Oct 2012 11:57 PM #6
    Caius Caesar
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    Can I ask why this thread is closed?
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  7. 23 Oct 2012 2:37 AM #7
    evant
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    Yes, Ext5 won't be for some time.

    It's closed because we won't be pursuing this any further with Ext4, I've made a note to look at it as something for Ext5.
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  8. 22 Oct 2012 11:53 PM #8
    Caius Caesar
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    Yeah well, It's a dashboard with individual items on it which can contain other items. Not really a way around it design wise. I was relying on Ext handling the dragdrop in a logical way.
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