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
fDownButtonIndex= downButtonIndex;
	}
	
	
	
	private void buttonPressed(int index) {
		if (!managedButtonPressed(index)) {
			fListAdapter.customButtonPressed(this, index);
		}
	}
	
	/**
	 * Checks if the button pressed is handled internally
	 * @return Returns true if button has been handled.
	 */
	protected boolean managedButtonPressed(int index) {
		if (index == fRemoveButtonIndex) {
			remove();
		} else if (index == fUpButtonIndex) {
			up();
		} else if (index == fDownButtonIndex) {
			down();
		} else {
			return false;
		}
		return true;
	}