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Eclipse 4 Plug-in Development by Example Beginner's Guide by Dr. Alex Blewitt

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Time for action – adding a double-click listener

Typically, a tree view is used to show content in a hierarchical manner. However, a tree on its own is not enough to be able to show all the details associated with an object. When the user double-clicks on an element, more details can be shown.

  1. At the end of the createPartControl() method of TimeZoneTreeView, register an anonymous inner class that implements the IDoubleClickListener interface with the addDoubleClickListener() method on the treeViewer. As with the example in Chapter 1, Creating Your First Plug-in, this will open a message dialog to verify that it works as expected.
    treeViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { Viewer ...

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