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Thread: onScroll event for TreePanel

  1. #1

    Default onScroll event for TreePanel

    If I have a tree panel that has enough nodes that a scroll bar appears, I would like to call a function if the scroll bar is clicked on or is being dragged up or down. (Either will work, so I just need to see which is easier). Does anyone know if there is an event built in for this? I did not see one in the API.

    Thanks.

  2. #2
    Sencha User Animal's Avatar
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    Default

    As for all Panels:

    Code:
    myPanel.body.on({
        scroll: handlerFunction
    });
    Remember that the body only exists when the Panel has been rendered.

  3. #3

    Default

    Thanks. I happened to be working with the new TreeGrid, so in my afterRender function, I have:
    Code:
            this.innerBody.on({
                scroll: this.removeLocaterArrow
            });
    The onScroll mouse event only exists in Html 5. Do you know how they accomplished this event?

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