Bug 6638 "Add Method Overrides" menu pick
It would be nice to have an "Add Method Overrides" menu pick (analogous to the "Add Unimplemented Methods" menu pick in certain context menus) that would bring up a selection box of currently-unoverridden base-class methods and insert stubs for the selected methods.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/SelectionStatusDialog.java
*/	
	public Object getFirstResult() {
		Object[] result= getResult();
		if (result == null || result.length == 0)
			return null;
		return result[0];	
	}
	
	/**
	 * Sets a result element at the given position.
	 */
	protected void setResult(int position, Object element) {
		Object[] result= getResult();
		result[position]= element;
		setResult(Arrays.asList(result));
	}
	/**
	 * Compute the result and return it.
	 */
	protected abstract void computeResult();
	  
	/*
	 * @see Window#configureShell(shell)
	 */
	protected void configureShell(Shell shell) {
		super.configureShell(shell);
		if (fImage != null)
			shell.setImage(fImage);
	}