/*
* (non-Javadoc)
*
* @see org.eclipse.wst.sse.ui.views.contentoutline.ContentOutlineConfiguration#getMenuListener(org.eclipse.jface.viewers.TreeViewer)
*/
public IMenuListener getMenuListener(TreeViewer viewer) {
IMenuListener listener = null;
if (fMenuHelper == null && viewer.getInput() instanceof DTDModelImpl) {
fMenuHelper = new DTDContextMenuHelper((DTDModelImpl) viewer.getInput());
fMenuHelper.createMenuListenersFor(viewer);
}
if (fMenuHelper != null) {
listener = fMenuHelper.getMenuListener();
}
return listener;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.sse.ui.views.contentoutline.ContentOutlineConfiguration#unconfigure(org.eclipse.jface.viewers.TreeViewer)
*/
public void unconfigure(TreeViewer viewer) {
super.unconfigure(viewer);
fViewerContributions.remove(viewer);
if (fMenuHelper != null) {
fMenuHelper.removeMenuListenersFor(viewer);
fMenuHelper = null;
}
}