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.
At the end of the
createPartControl()method ofTimeZoneTreeView, register an anonymous inner class that implements theIDoubleClickListenerinterface with theaddDoubleClickListener()method on thetreeViewer. 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 viewer = event.getViewer(); Shell shell = viewer.getControl().getShell(); MessageDialog.openInformation(shell, "Double click", "Double click detected"); } });Run the Eclipse instance, and open the view. Double-click on the tree...