/*FreeMind - A Program for creating and viewing Mindmaps
 *Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitri Polivaev 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 05.05.2005
 * Copyright (C) 2005 Dimitri Polivaev
 */
package freemind.controller.filter.condition;

import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Set;

import javax.swing.JComponent;
import javax.swing.JLabel;

import freemind.controller.Controller;
import freemind.main.Resources;
import freemind.main.XMLElement;
import freemind.modes.MindIcon;
import freemind.modes.MindMapNode;

public class IconContainedCondition implements Condition {
	static final String ICON = "icon";
	static final String NAME = "icon_contained_condition";
	private String iconName;

	public IconContainedCondition(String iconName) {
		this.iconName = iconName;
	}

	public boolean checkNode(Controller c, MindMapNode node) {
		return iconFirstIndex(node, iconName) != -1
				|| isStateIconContained(node, iconName);
	}

	static public int iconFirstIndex(MindMapNode node, String iconName) {
		List icons = node.getIcons();
		for (ListIterator i = icons.listIterator(); i.hasNext();) {
			MindIcon nextIcon = (MindIcon) i.next();
			if (iconName.equals(nextIcon.getName()))
				return i.previousIndex();
		}
		return -1;

	}

	static public int iconLastIndex(MindMapNode node, String iconName) {
		List icons = node.getIcons();
		ListIterator i = icons.listIterator(icons.size());
		while (i.hasPrevious()) {
			MindIcon nextIcon = (MindIcon) i.previous();
			if (iconName.equals(nextIcon.getName()))
				return i.nextIndex();
		}
		return -1;

	}

	private static boolean isStateIconContained(MindMapNode node,
			String iconName) {
		Set stateIcons = node.getStateIcons().keySet();
		for (Iterator stateIcon = stateIcons.iterator(); stateIcon.hasNext();) {
			String nextIcon = (String) stateIcon.next();
			if (iconName.equals(nextIcon))
				return true;
		}
		return false;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * javax.swing.ListCellRenderer#getListCellRendererComponent(javax.swing
	 * .JList, java.lang.Object, int, boolean, boolean)
	 */
	public JComponent getListCellRendererComponent() {
		JCondition component = new JCondition();
		String text = Resources.getInstance().getResourceString("filter_icon")
				+ ' '
				+ Resources.getInstance().getResourceString("filter_contains")
				+ ' ';
		component.add(new JLabel(text));
		component.add(MindIcon.factory(getIconName()).getRendererComponent());
		return component;
	}

	private String getIconName() {
		return iconName;
	}

	public void save(XMLElement element) {
		XMLElement child = new XMLElement();
		child.setName(NAME);
		child.setAttribute(ICON, iconName);
		element.addChild(child);
	}

	static Condition load(XMLElement element) {
		return new IconContainedCondition(element.getStringAttribute(ICON));
	}
}