/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.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.new_plotter.engine.jfreechart.actions;

import java.awt.event.ActionEvent;

import com.rapidminer.gui.new_plotter.engine.jfreechart.JFreeChartPlotEngine;
import com.rapidminer.gui.new_plotter.gui.dialog.AddParallelLineDialog;
import com.rapidminer.gui.new_plotter.gui.dialog.ManageZoomDialog;
import com.rapidminer.gui.tools.ResourceAction;

/**
 * This action allows the user to manually zoom in/do a selection on the current chart.
 * 
 * @author Marco Boeck
 *
 */
public class ManageZoomAction extends ResourceAction {
	
	/** the {@link JFreeChartPlotEngine} instance for this action */
	private JFreeChartPlotEngine engine;
	
	
	/** the {@link AddParallelLineDialog} instance (used by all {@link AddParallelLineAction} instances) */
	private static ManageZoomDialog dialog;
	
	private static final long serialVersionUID = 7788302558857099622L;
	
	
	/**
	 * Creates a new {@link ResourceAction} which opens the manage zoom dialog
	 * when triggered. With its help, the user can precisely define the zoom/selection area.
	 * @param engine
	 */
	public ManageZoomAction(JFreeChartPlotEngine engine) {
		super(true, "plotter.popup_menu.manage_zoom");
		this.engine = engine;
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		manageZoom(engine);
	}
	
	/**
	 * Opens the manage zoom dialog.
	 * @param engine
	 */
	public static synchronized void manageZoom(final JFreeChartPlotEngine engine) {
		if (dialog == null) {
			dialog = new ManageZoomDialog();
		}

		dialog.setChartEngine(engine);
		dialog.showDialog();
	}

}