edu.uara.wrappers.customcharts.CustomJFreeChart.java Source code

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Here is the source code for edu.uara.wrappers.customcharts.CustomJFreeChart.java

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/*
 * This file is part of the Factbook Generator.
 * 
 * The Factbook Generator 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 3 of the License, or
 * (at your option) any later version.
 * 
 * The Factbook Generator 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 The Factbook Generator.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2008, 2009 Bradley Brown, Dustin Yourstone, Jeffrey Hair, Paul Halvorsen, Tu Hoang
 */

package edu.uara.wrappers.customcharts;

import edu.uara.tableeditor.ITableObject;
import java.awt.Color;
import java.io.Serializable;

import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.Plot;

/**
 *CustomJFreeChart class
 * Purpose: generate charts for factbook generator
 * This is an abstract class to be extended by specific sub class to 
 * implement the specific type of charts.
 * @author Tu Hoang
 */
public abstract class CustomJFreeChart implements Serializable {
    public static final long serialVersionUID = 1;
    /*
     * Protected member holds instance of JFreeChart object
     */
    protected JFreeChart chart = null;

    /*
     * CustomeChartTypes Enum used to determine chart types
     */
    public static enum CustomChartTypes {
        JPieChart, JLineChart, JBarChart, JCombinedChart;
    }

    /**
     * Indicates which dataset is being used
     */
    public static enum DatasetTypes {
        PieDataset, XYDataset, CategoryDataset;
    }

    protected DatasetTypes currentDatasetType;
    protected CustomChartTypes currentChartType;

    public CustomChartTypes getCurrentChartType() {
        return currentChartType;
    }

    /*
     * Default constructor
     */
    public CustomJFreeChart() {

    }

    /**
     * write chart to png image
     */
    public void writeChartImage() {
        //chart.createBufferedImage(arg0, arg1)
    }

    /*
     * Getter return chart instance
     */
    public JFreeChart getChart() {
        return chart;
    }

    /**
     * redraw chart with updated data
     */
    public abstract void updateChart(CustomDatasetTable dsTable, ITableObject source);

    /**
     * change series color
     * @param series
     * @param color
     */
    public abstract void setSeriesColor(int series, Color color);

    /**
     * get current series color
     * @param series
     * @return
     */
    public abstract Color getSeriesColor(int series);

    /**
     * draw chart on a frame
     * @param frameTitle
     * @return
     */
    public ChartFrame drawChart(String frameTitle) {
        try {
            ChartFrame frame = new ChartFrame(frameTitle, chart);
            frame.pack();
            //frame.setVisible(true);
            return frame;
        } catch (Exception ex) {
            System.out.println(ex.getMessage());
            return null;
        }

    }

    /**
     * Get current dataset type that is being used
     * @return enumerator data represent the dataset type
     */
    public CustomJFreeChart.DatasetTypes getDatasetType() {
        return currentDatasetType;
    }

    /**
     * Get underline plot instance in JFreeChart object
     * @return subplot instance type Plot
     */
    public Plot getPlot() {
        return chart.getPlot();
    }
    //public abstract void generateChart();

}