public PasteAction(IWorkbenchPart part, GraphicalViewer viewer) {
super(part);
fGraphicalViewer = viewer;
setText(Messages.PasteAction_0);
setId(ActionFactory.PASTE.getId());
ISharedImages sharedImages = PlatformUI.getWorkbench().getSharedImages();
setImageDescriptor(sharedImages.getImageDescriptor(ISharedImages.IMG_TOOL_PASTE));
setDisabledImageDescriptor(
sharedImages.getImageDescriptor(ISharedImages.IMG_TOOL_PASTE_DISABLED));
setEnabled(false);
/** Listen to window activation to udpate Paste Action if clipboard contents has changed */
getWorkbenchPart()
.getSite()
.getWorkbenchWindow()
.getWorkbench()
.addWindowListener(windowListener);
/** Listen to mouse click position so that the Paste Action can paste objects at that point */
((GraphicalEditPart) fGraphicalViewer.getRootEditPart())
.getFigure()
.addMouseListener(mouseListener);
}
@Override
public void dispose() {
super.dispose();
getWorkbenchPart()
.getSite()
.getWorkbenchWindow()
.getWorkbench()
.removeWindowListener(windowListener);
((GraphicalEditPart) fGraphicalViewer.getRootEditPart())
.getFigure()
.removeMouseListener(mouseListener);
fGraphicalViewer = null;
}
private RootModel getRootModel() {
GraphicalViewer viewer = (GraphicalViewer) getWorkbenchPart().getAdapter(GraphicalViewer.class);
RootModel root = (RootModel) viewer.getRootEditPart().getContents().getModel();
return root;
}