/*
 * FreeMind - A Program for creating and viewing Mindmaps Copyright (C)
 * 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin and others.
 * 
 * See COPYING for Details
 * 
 * This program 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; either version 2 of the License, or (at your option) any later
 * version.
 * 
 * This program 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
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA.
 * 
 * Created on 25.02.2006
 */

package freemind.common;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JLabel;

import com.jgoodies.forms.builder.DefaultFormBuilder;

import freemind.controller.BlindIcon;
import freemind.main.Resources;

public class ThreeCheckBoxProperty extends PropertyBean implements
		PropertyControl {
	protected String mFalseValue = "false";

	protected String mTrueValue = "true";

	protected String mDontTouchValue = "don_t_touch";

	static public final String FALSE_VALUE = "false";

	static public final String TRUE_VALUE = "true";

	public static final String DON_T_TOUCH_VALUE = "don_t_touch";

	protected static final int DON_T_TOUCH_VALUE_INT = 2;

	protected static final int TRUE_VALUE_INT = 0;

	protected static final int FALSE_VALUE_INT = 1;

	private static final ImageIcon PLUS_IMAGE = new ImageIcon(Resources
			.getInstance().getResource("images/edit_add.png"));

	private static final ImageIcon MINUS_IMAGE = new ImageIcon(Resources
			.getInstance().getResource("images/edit_remove.png"));

	private static final Icon NO_IMAGE = new BlindIcon(15);

	String description;

	String label;

	int state = 0;

	JButton mButton = new JButton();

	/**
     */
	public ThreeCheckBoxProperty(String description, String label) {
		super();
		this.description = description;
		this.label = label;
		// setState(0);
		mButton.addActionListener(new ActionListener() {

			public void actionPerformed(ActionEvent e) {
				setState((getState() + 1) % 3);
				firePropertyChangeEvent();
			}

		});
	}

	private int getState() {
		return state;
	}

	public String getDescription() {
		return description;
	}

	public String getLabel() {
		return label;
	}

	public void setValue(String value) {
		if (value == null
				|| !(value.toLowerCase().equals(mTrueValue)
						|| value.toLowerCase().equals(mFalseValue) || value
						.toLowerCase().equals(mDontTouchValue))) {
			throw new IllegalArgumentException("Cannot set a boolean to "
					+ value);
		}
		setState(transformString(value));
	}

	private int transformString(String string) {
		if (string == null) {
			return DON_T_TOUCH_VALUE_INT;
		}
		if (string.toLowerCase().equals(mTrueValue)) {
			return TRUE_VALUE_INT;
		}
		if (string.toLowerCase().equals(mFalseValue)) {
			return FALSE_VALUE_INT;
		}
		return DON_T_TOUCH_VALUE_INT;
	}

	public String getValue() {
		switch (state) {
		case TRUE_VALUE_INT:
			return mTrueValue;
		case FALSE_VALUE_INT:
			return mFalseValue;
		case DON_T_TOUCH_VALUE_INT:
			return mDontTouchValue;
		}
		return null;
	}

	public void layout(DefaultFormBuilder builder, TextTranslator pTranslator) {
		JLabel label = builder.append(pTranslator.getText(getLabel()), mButton);
		String tooltiptext = pTranslator.getText(getDescription());
		label.setToolTipText(tooltiptext);
		mButton.setToolTipText(tooltiptext);
	}

	public void setEnabled(boolean pEnabled) {
		mButton.setEnabled(pEnabled);
	}

	/**
     * 
     */
	protected void setState(int newState) {
		state = newState;
		Icon[] icons;
		icons = new Icon[3]; // {MINUS_IMAGE, PLUS_IMAGE, NO_IMAGE};
		icons[TRUE_VALUE_INT] = PLUS_IMAGE;
		icons[FALSE_VALUE_INT] = MINUS_IMAGE;
		icons[DON_T_TOUCH_VALUE_INT] = NO_IMAGE;
		// mButton.setText(DISPLAY_VALUES[state]);
		mButton.setIcon(icons[state]);
	}

}