/*****************************************************/
/*          This java file is a part of the          */
/*                                                   */
/*           -  Plouf's Java IRC Client  -           */
/*                                                   */
/*   Copyright (C)  2002 - 2004 Philippe Detournay   */
/*                                                   */
/*         All contacts : theplouf@yahoo.com         */
/*                                                   */
/*  PJIRC is free software; you can redistribute     */
/*  it and/or modify it under the terms of the GNU   */
/*  General Public License as published by the       */
/*  Free Software Foundation; version 2 or later of  */
/*  the License.                                     */
/*                                                   */
/*  PJIRC 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   */
/*  General Public License for more details.         */
/*                                                   */
/*  You should have received a copy of the GNU       */
/*  General Public License along with PJIRC; if      */
/*  not, write to the Free Software Foundation,      */
/*  Inc., 59 Temple Place, Suite 330, Boston,        */
/*  MA  02111-1307  USA                              */
/*                                                   */
/*****************************************************/

package irc.gui.pixx;

import irc.EventDispatcher;
import irc.Source;

import java.awt.Component;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Enumeration;

/**
 * Popupmenu handling for nicknames.
 */
public class NickMenuHandler implements ActionListener {
	private String _selectedNick;
	private String _whoisNick;
	private PopupMenu _menu;
	private Source _source;
	private Component _parent;
	private PixxConfiguration _pixxConfiguration;

	/**
	 * Create a new NickMenuHandler.
	 * 
	 * @param config
	 *          the pixx configuration.
	 * @param parent
	 *          a parent component for the popup menu.
	 * @param source
	 *          the source associated with this popup menu.
	 */
	public NickMenuHandler(PixxConfiguration config, Component parent, Source source) {
		_pixxConfiguration = config;
		_parent = parent;
		_source = source;
		_menu = new PopupMenu();
		_menu.addActionListener(this);
		_parent.add(_menu);
	}

	/**
	 * Release this instance.
	 */
	public void release() {
		_menu.removeActionListener(this);
		_parent.remove(_menu);
		_menu = null;
		_parent = null;
		_source = null;
		_pixxConfiguration = null;
	}

	private String parameters(String on, String[] params) {
		for (int i = 0; i < on.length() - 1; i++) {
			if (on.charAt(i) == '%') {
				char next = on.charAt(i + 1);
				if (next == '%') {
					String before = on.substring(0, i);
					String after = on.substring(i + 2);
					on = before + "%" + after;
				} else if ((next >= '1') && (next <= '9')) {
					int c = next - '1';
					if (c < params.length) {
						String before = on.substring(0, i);
						String after = on.substring(i + 2);
						on = before + params[c] + after;
					}
				}
			}
		}
		return on;
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		EventDispatcher.dispatchEventAsync(this, "actionPerformedEff", new Object[] { e });
	}

	/**
	 * Internally used.
	 * 
	 * @param e
	 */
	public void actionPerformedEff(ActionEvent e) {
		String cmd = e.getActionCommand();
		String[] params = new String[] { _selectedNick, _source.getName(),
				_pixxConfiguration.getIRCConfiguration().formatASL(_whoisNick), _whoisNick };
		for (int j = 0; j < _pixxConfiguration.getNickMenuVector().size(); j++) {
			String[] cmds = (String[]) _pixxConfiguration.getNickMenuVector().elementAt(j);
			if (cmds[0].equals(cmd)) {
				for (int i = 1; i < cmds.length; i++)
					_source.sendString(parameters(cmds[i], params));
			}
		}
	}

	/**
	 * Open and handle a popup menu for a nickname.
	 * 
	 * @param nick
	 *          the nickname.
	 * @param whois
	 *          the whois or asl nickname information.
	 * @param c
	 *          the component where the menu is to be displayed. This component
	 *          must be a child of the parent component for this menu.
	 * @param x
	 *          x-position relative to c.
	 * @param y
	 *          y-position relative to c.
	 */
	public void popup(String nick, String whois, Component c, int x, int y) {
		if (_pixxConfiguration.getNickMenuVector().size() == 0)
			return;
		_selectedNick = nick;
		_whoisNick = whois;

		_menu.removeAll();

		Enumeration keys = _pixxConfiguration.getNickMenuVector().elements();
		while (keys.hasMoreElements()) {
			String[] v = (String[]) keys.nextElement();
			if (v[0].equals("--"))
				_menu.addSeparator();
			else
				_menu.add(new MenuItem(v[0]));
		}

		_menu.show(c, x, y);
	}

}