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.
- At the end of the create method in
TimeZoneTreeView
, register a lambda block that implements theIDoubleClickListener
interface 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(event -> { Viewer viewer = event.getViewer(); Shell shell = viewer.getControl().getShell(); MessageDialog.openInformation(shell, ...
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