| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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.

 */

package org.gvsig.gui.beans.graphic;

import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.FlowLayout;

import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;

import org.jfree.chart.ChartPanel;

import org.jfree.chart.JFreeChart;

import org.jfree.chart.plot.Plot;

import org.jfree.chart.plot.PlotOrientation;

import org.jfree.chart.plot.XYPlot;

import org.jfree.data.xy.XYSeries;

import org.jfree.data.xy.XYSeriesCollection;

/**

 * 

 * Nacho Brodin (brodin_ign@gva.es)

 */

public class GraphicChartPanel extends JPanel {

        private static final int        HEIGHT_MARGIN = 5;

        private static final int        WIDTH_MARGIN = 4;

        private JFreeChart                         chart;

        private ChartPanel                         jPanelChart = null;

        private XYSeries                         series[] = null;

        private XYSeriesCollection         dataset = null;

        private int                                 width = 300, height = 150;

        public GraphicChartPanel(int width, int height) {

                this.width = width;

                this.height = height;

                int nSeries = 3;

                series = new XYSeries[nSeries];

                dataset = new XYSeriesCollection();

                for(int iSerie = 0; iSerie < nSeries; iSerie++){

                        series[iSerie] = new XYSeries("");

                        for (int i = 0; i < 256; i++) 

                         series[iSerie].add(new Integer(i),  new Integer(i * (iSerie + 1)));

                        dataset.addSeries(series[iSerie]);

                }

            createChart();

                initialize();

                Plot plot = this.jPanelChart.getChart().getPlot();

        plot.setOutlineStroke(new BasicStroke(1));

        plot.setOutlinePaint(Color.magenta);

        }

        /**

         * This method initializes this                        

         * 

         */

        private void initialize() {

        FlowLayout flowLayout = new FlowLayout();

        flowLayout.setVgap(0);

        flowLayout.setHgap(0);

        this.setLayout(flowLayout);

        this.setSize(new java.awt.Dimension(width, height));

                this.setPreferredSize(new java.awt.Dimension(width, height));

                this.add(getChart(), null);        

        }

        /**

         * 

         * @return

         */

        public ChartPanel getChart(){

                if(jPanelChart == null){

                        jPanelChart = new ChartPanel(chart);

                        jPanelChart.setSize(new java.awt.Dimension(width - WIDTH_MARGIN, height - HEIGHT_MARGIN));

                        jPanelChart.setPreferredSize(new java.awt.Dimension(width - WIDTH_MARGIN, height - HEIGHT_MARGIN));

                        jPanelChart.setBorder(javax.swing.BorderFactory.createLineBorder(java.awt.Color.gray,1));

                }

                return         jPanelChart;

        }

           /**

     * Creates a chart.

     * 

     * @param dataset  the dataset.

     * 

     * @return A chart.

     */

    private void createChart() {

            chart = 

                     ChartFactory.createXYLineChart(null, null, null, 

                            dataset, 

                            PlotOrientation.VERTICAL,

                        false,

                        true, 

                        true);

        // color

        XYPlot plot = chart.getXYPlot();

        plot.getRenderer().setSeriesPaint(0, Color.red);

        plot.getRenderer().setSeriesPaint(1, Color.green); 

        plot.getRenderer().setSeriesPaint(2, Color.blue);

        plot.getRenderer().setSeriesPaint(3, Color.cyan);

        plot.getRenderer().setSeriesPaint(4, Color.black);

        plot.getRenderer().setSeriesPaint(5, Color.darkGray);

        plot.getRenderer().setSeriesPaint(6, Color.gray);

        plot.getRenderer().setSeriesPaint(7, Color.magenta);

        plot.getRenderer().setSeriesPaint(8, Color.yellow);

        plot.getRenderer().setSeriesPaint(9, Color.orange);

    }

    /**

     * Asigna nuevos valores para la gr?fica

     * @param values Matriz de [n?mero de gr?ficas][Valores por gr?fica]

     */

    public void setNewChart(int[][] values, String names[]){

            dataset.removeAllSeries();

            series = new XYSeries[values.length];

            for (int iGraf = 0; iGraf < values.length; iGraf++) {

                    series[iGraf] = new XYSeries(names[iGraf]);

                    for (int i = 0; i < values[iGraf].length; i++) {

                            series[iGraf].add(new Integer(i),  new Integer(values[iGraf][i]));

                    }

                    dataset.addSeries(series[iGraf]);

            }

            jPanelChart.repaint();

    }

    /**

     * Reemplaza los valores de la gr?fica

     * @param values Matriz de [n?mero de gr?ficas][Valores por gr?fica]

     */

    public void replaceValuesChart(int[][] values){

            for (int iGraf = 0; iGraf < values.length; iGraf++) {

                    for (int i = 0; i < values[iGraf].length; i++) {

                            series[iGraf].getDataItem(i).setY(values[iGraf][i]);

                    }

            }

            jPanelChart.repaint();

    }

    /**

     * Limpia la gr?fica

     */

    public void cleanChart(){

            dataset.removeAllSeries();

            jPanelChart.repaint();

    }

        /**

         * Asigna el tama?o del componente

         * @param w Nuevo ancho del componente padre

         * @param h Nuevo alto del componente padre

         */

        public void setComponentSize(int w, int h){

                width = w;

                height = h;

                this.setSize(new java.awt.Dimension(w, h));

                this.setPreferredSize(new java.awt.Dimension(w, h));

                jPanelChart.setSize(new java.awt.Dimension(w - WIDTH_MARGIN, h - HEIGHT_MARGIN));

                jPanelChart.setPreferredSize(new java.awt.Dimension(w - WIDTH_MARGIN, h - HEIGHT_MARGIN));

        }

}