SpecialMenuItem.java

// This file is part of AceWiki.
// Copyright 2008-2013, AceWiki developers.
// 
// AceWiki is free software: you can redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
// 
// AceWiki is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
// even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License along with AceWiki. If
// not, see http://www.gnu.org/licenses/.

package ch.uzh.ifi.attempto.preditor;

import nextapp.echo.app.Extent;
import nextapp.echo.app.Font;
import nextapp.echo.app.event.ActionListener;
import ch.uzh.ifi.attempto.echocomp.Style;

/**
 * This abstract class represents a menu item that performs an action when the user clicks on it.
 * 
 * @author Tobias Kuhn
 */
public class SpecialMenuItem extends MenuItem {

	private static final long serialVersionUID = -2762672905600512854L;

	/**
	 * Creates a new special menu item.
	 * 
	 * @param text The text of the menu item.
	 * @param menuGroup The menu group to which this item should be assigned.
	 * @param actionCommand The action command.
	 * @param actionListener The action listener.
	 */
	public SpecialMenuItem(String text, String menuGroup, String actionCommand, ActionListener actionListener) {
		super(menuGroup);
		if (text == null) text = "";
		setText(text);
		if (actionCommand == null) actionCommand = "";
		setActionCommand(actionCommand);
		setForeground(Style.mediumForeground);
		if (actionListener != null) {
			addActionListener(actionListener);
		}
		updateStyle();
    }
	
	/**
	 * Creates a new special menu item.
	 * 
	 * @param text The text of the menu item.
	 * @param menuGroup The menu group to which this item should be assigned.
	 * @param actionCommand The action command.
	 */
	public SpecialMenuItem(String text, String menuGroup, String actionCommand) {
		this(text, menuGroup, actionCommand, null);
    }

	/**
	 * Creates a new special menu item.
	 * 
	 * @param text The text of the menu item.
	 * @param menuGroup The menu group to which this item should be assigned.
	 */
	public SpecialMenuItem(String text, String menuGroup) {
		this(text, menuGroup, text, null);
    }

	/**
	 * Creates a new special menu item.
	 * 
	 * @param text The text of the menu item.
	 */
	public SpecialMenuItem(String text) {
		this(text, "", text, null);
	}
    
    protected void updateStyle() {
		if (isHighlighted()) {
			setFont(new Font(Style.fontTypeface, Font.BOLD, new Extent(12)));
		} else {
			setFont(new Font(Style.fontTypeface, Font.PLAIN, new Extent(12)));
		}
    }
	
	protected String[] getContent() {
		return new String[] {"special", getText(), getMenuGroup(), getActionCommand()};
	}
    
}