13.6. Configuring a View’s Actions
Problem
You need to make the items in a view do something when clicked, right-clicked, or double-clicked.
Solution
Configure the view’s actions. If
you’ve used a PDE template to create your plug-in,
edit the makeActions
method.
Discussion
In the previous two recipes, we created a plug-in that supports a
view based on an SWT tree control. To make the items created in the
previous recipe do something when the user interacts with them, edit
the code in the makeActions
method in
SampleView.java
. In the code, you can get access
to the item that was clicked, right-clicked, or double-clicked using
the following line:
Object obj = ((IStructuredSelection)selection).getFirstElement( )
Here’s how to modify the code in
makeActions
to create actions that will handle
menu selections when you right-click or double-click the items in the
view:
private void makeActions( ) { action1 = new Action( ) { public void run( ) { showMessage("You selected Action 1"); } }; action1.setText("Action 1"); action1.setToolTipText("Action 1 tooltip"); action1.setImageDescriptor(PlatformUI.getWorkbench( ).getSharedImages( ). getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK)); action2 = new Action( ) { public void run( ) { showMessage("You selected Action 2"); } }; action2.setTex("Action 2"); action2.setToolTipText("Action 2 tooltip"); action2.setImageDescriptor(PlatformUI.getWorkbench( ).getSharedImages( ). getImageDescriptor(ISharedImages.IMG_OBJS_TASK_TSK)); doubleClickAction = new ...
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