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Thread: Java Frontend Frameworks with TreeViews which allows lazy loading

  1. #1
    Junior Member
    Join Date
    Sep 2017
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    Default Java Frontend Frameworks with TreeViews which allows lazy loading

    Hi guys!

    I need to develop a GUI for an existing command line application, which is based on JDK7. This application accesses an online service via REST. To show the data on the screen, I need to show it in a tree and also the tree needs to allow lazy loading. It seems that Swing/JavaFX does not support lazy loading for their TreeViews?

    Can somebody recommend a Java Frontend Framework which is able to generate TreeViews with lazy loading?


  2. #2
    Join Date
    Apr 2014
    Thanked 7 Times in 7 Posts

    Default Re: Java Frontend Frameworks with TreeViews which allows lazy loading

    The Swing JTree does indeed support lazy loading. Refer to the javax.swing.event.TreeWillExpandListener. Once properly registered, that listener will be called for you whenever the user wants to expand or collapse a tree node. That's where you'll do the work to populate the node's children.

    The JTree is complicated at first, but it's fairly well designed in my opinion. Give it a chance, it can do some pretty cool stuff. Just not necessarily how you might think at first.

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