/*
Copyright 2008-2011 Gephi
Authors : Eduardo Ramos <eduramiba@gmail.com>
Website : http://www.gephi.org

This file is part of Gephi.

DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

Copyright 2011 Gephi Consortium. All rights reserved.

The contents of this file are subject to the terms of either the GNU
General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License.  When distributing the software, include this License Header
Notice in each file and include the License files at
/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
License Header, with the fields enclosed by brackets [] replaced by
your own identifying information:
"Portions Copyrighted [year] [name of copyright owner]"

If you wish your version of this file to be governed by only the CDDL
or only the GPL Version 3, indicate your decision by adding
"[Contributor] elects to include this software in this distribution
under the [CDDL or GPL Version 3] license." If you do not indicate a
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your version of this file under either the CDDL, the GPL Version 3 or
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However, if you add GPL Version 3 code and therefore, elected the GPL
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Contributor(s):

Portions Copyrighted 2011 Gephi Consortium.
 */
package org.gephi.utils.sparklines;

import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.image.BufferedImage;
import javax.swing.JComponent;

/**
 * <p>Simple component that holds a <code>SparklineGraph</code> and auto-repaints it when mouse interaction happens if desired
 * (indicate it with <code>updateMouseXPosition</code> parameter in constructors).</p>
 * <p>It also takes care to update sparkline width and height to the component width and height when resized</p>
 * @author Eduardo Ramos
 */
public class SparklineComponent extends JComponent {

    private Number[] xValues, yValues;
    private Number yMinValue, yMaxValue;
    private SparklineParameters sparklineParameters;

    public SparklineComponent(Number[] yValues, SparklineParameters sparklineParameters, boolean updateMouseXPosition) {
        this(null, yValues, null, null, sparklineParameters, updateMouseXPosition);
    }

    public SparklineComponent(Number[] yValues, Number yMinValue, Number yMaxValue, SparklineParameters sparklineParameters, boolean updateMouseXPosition) {
        this(null, yValues, yMinValue, yMaxValue, sparklineParameters, updateMouseXPosition);
    }

    public SparklineComponent(Number[] xValues, Number[] yValues, SparklineParameters sparklineParameters, boolean updateMouseXPosition) {
        this(xValues, yValues, null, null, sparklineParameters, updateMouseXPosition);
    }

    public SparklineComponent(Number[] xValues, Number[] yValues, Number yMinValue, Number yMaxValue, SparklineParameters sparklineParameters, boolean updateMouseXPosition) {
        this.xValues = xValues;
        this.yValues = yValues;
        this.yMinValue = yMinValue;
        this.yMaxValue = yMaxValue;
        this.sparklineParameters = sparklineParameters;
        if (updateMouseXPosition) {
            initEvents();
        }
    }

    private void initEvents() {
        MouseEvents listener = new MouseEvents();
        addMouseListener(listener);
        addMouseMotionListener(listener);
    }

    @Override
    protected void paintComponent(Graphics g) {
        sparklineParameters.setWidth(getWidth());
        sparklineParameters.setHeight(getHeight());
        BufferedImage image = SparklineGraph.draw(xValues, yValues, yMinValue, yMaxValue, sparklineParameters);
        g.drawImage(image, 0, 0, this);
    }

    class MouseEvents extends MouseAdapter implements MouseMotionListener {

        @Override
        public void mouseEntered(MouseEvent e) {
            sparklineParameters.setHighlightedValueXPosition(e.getX());
            repaint();
        }

        @Override
        public void mouseExited(MouseEvent e) {
            sparklineParameters.setHighlightedValueXPosition(null);
            repaint();
        }

        @Override
        public void mouseMoved(MouseEvent e) {
            sparklineParameters.setHighlightedValueXPosition(e.getX());
            repaint();
        }
    }
}
