/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui.flow;

import java.awt.Insets;
import java.awt.event.ActionEvent;

import javax.swing.JButton;

import com.rapidminer.gui.look.ui.ExtensionButtonUI;
import com.rapidminer.gui.tools.ResourceAction;
import com.rapidminer.operator.OperatorChain;
import com.rapidminer.tools.I18N;

/**
 * 
 * @author Simon Fischer
 */
public class ExtensionButton extends JButton {
		
	private static final long serialVersionUID = -3435398786000739458L;
		
	private final int subprocessIndex;
	private final boolean add;
	
	public ExtensionButton(final OperatorChain chain, final int subprocessIndex, final boolean add) {
		super(new ResourceAction(add ? "add_subprocess" : "delete_subprocess") {
			private static final long serialVersionUID = 1L;
			@Override
			public void actionPerformed(ActionEvent e) {
				if (add) {
					chain.addSubprocess(subprocessIndex + 1);
				} else {
					chain.removeSubprocess(subprocessIndex);
				}
			}
		});
		this.setUI(new ExtensionButtonUI());
		this.subprocessIndex = subprocessIndex;
		this.add = add;
		setText(null);
		if (add) {
			if (subprocessIndex >= 0 && subprocessIndex < chain.getSubprocesses().size()) {
				setToolTipText(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_subprocess.tip.after", chain.getSubprocess(subprocessIndex).getName())); 
			}
			if (subprocessIndex == -1) {
				setToolTipText(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_subprocess.tip.before", chain.getSubprocess(0).getName()));
			}
		} else {
			if (subprocessIndex >= 0 && subprocessIndex < chain.getSubprocesses().size()) {
				setToolTipText(I18N.getMessage(I18N.getGUIBundle(), "gui.action.delete_subprocess.tip.after", chain.getSubprocess(subprocessIndex).getName())); 
			}
		}
		setMargin(new Insets(0, 0, 0, 0));
	}
	
	public int getSubprocessIndex() {
		return subprocessIndex;
	}

	public boolean isAdd() {
		return add;
	}

}