Bug 5449 TVT Text Expansion/Truncations in new java class dialog
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/dialogfields/ListDialogField.java
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
			
		}
		
		public boolean isDeleted(Object element) {
			return false;
		}
	
		public void dispose() {
		}
		
		public Object[] getElements(Object obj) {
			return fElements.toArray();
		}
	
		
		
		public void selectionChanged(SelectionChangedEvent event) {
			doListSelected(event);
		}
	}
	
	
	private void doListSelected(SelectionChangedEvent event) {
		updateButtonState();
		if (fListAdapter != null) {
			fListAdapter.selectionChanged(this);
		}
	}	
}