org.jfree.chart.demo.MouseOverDemo1.java Source code

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Here is the source code for org.jfree.chart.demo.MouseOverDemo1.java

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// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 

package org.jfree.chart.demo;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GradientPaint;
import java.awt.Paint;

import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartMouseEvent;
import org.jfree.chart.ChartMouseListener;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.entity.CategoryItemEntity;
import org.jfree.chart.event.RendererChangeEvent;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

// Referenced classes of package demo:
//         DemoPanel

public class MouseOverDemo1 extends ApplicationFrame {
    private static final long serialVersionUID = 1L;

    static class MyDemoPanel extends DemoPanel implements ChartMouseListener {

        private static final long serialVersionUID = 1L;
        private MyBarRenderer renderer;

        public void chartMouseMoved(ChartMouseEvent chartmouseevent) {
            org.jfree.chart.entity.ChartEntity chartentity = chartmouseevent.getEntity();
            if (!(chartentity instanceof CategoryItemEntity)) {
                renderer.setHighlightedItem(-1, -1);
                return;
            } else {
                CategoryItemEntity categoryitementity = (CategoryItemEntity) chartentity;
                CategoryDataset categorydataset = categoryitementity.getDataset();
                renderer.setHighlightedItem(categorydataset.getRowIndex(categoryitementity.getRowKey()),
                        categorydataset.getColumnIndex(categoryitementity.getColumnKey()));
                return;
            }
        }

        public void chartMouseClicked(ChartMouseEvent chartmouseevent) {
        }

        public MyDemoPanel(MyBarRenderer mybarrenderer) {
            super(new BorderLayout());
            renderer = mybarrenderer;
        }
    }

    static class MyBarRenderer extends BarRenderer {

        private static final long serialVersionUID = 1L;
        private int highlightRow;
        private int highlightColumn;

        public void setHighlightedItem(int i, int j) {
            if (highlightRow == i && highlightColumn == j) {
                return;
            } else {
                highlightRow = i;
                highlightColumn = j;
                notifyListeners(new RendererChangeEvent(this));
                return;
            }
        }

        public Paint getItemOutlinePaint(int i, int j) {
            if (i == highlightRow && j == highlightColumn)
                return Color.yellow;
            else
                return super.getItemOutlinePaint(i, j);
        }

        MyBarRenderer() {
            highlightRow = -1;
            highlightColumn = -1;
        }
    }

    public MouseOverDemo1(String s) {
        super(s);
        JPanel jpanel = createDemoPanel();
        jpanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(jpanel);
    }

    private static CategoryDataset createDataset() {
        String s = "First";
        String s1 = "Second";
        String s2 = "Third";
        String s3 = "Category 1";
        String s4 = "Category 2";
        String s5 = "Category 3";
        String s6 = "Category 4";
        String s7 = "Category 5";
        DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
        defaultcategorydataset.addValue(1.0D, s, s3);
        defaultcategorydataset.addValue(4D, s, s4);
        defaultcategorydataset.addValue(3D, s, s5);
        defaultcategorydataset.addValue(5D, s, s6);
        defaultcategorydataset.addValue(5D, s, s7);
        defaultcategorydataset.addValue(5D, s1, s3);
        defaultcategorydataset.addValue(7D, s1, s4);
        defaultcategorydataset.addValue(6D, s1, s5);
        defaultcategorydataset.addValue(8D, s1, s6);
        defaultcategorydataset.addValue(4D, s1, s7);
        defaultcategorydataset.addValue(4D, s2, s3);
        defaultcategorydataset.addValue(3D, s2, s4);
        defaultcategorydataset.addValue(2D, s2, s5);
        defaultcategorydataset.addValue(3D, s2, s6);
        defaultcategorydataset.addValue(6D, s2, s7);
        return defaultcategorydataset;
    }

    private static JFreeChart createChart(CategoryDataset categorydataset) {
        JFreeChart jfreechart = ChartFactory.createBarChart("Mouseover Demo 1", "Category", "Value",
                categorydataset, PlotOrientation.VERTICAL, true, true, false);
        CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
        categoryplot.setDomainGridlinesVisible(true);
        NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
        numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        MyBarRenderer mybarrenderer = new MyBarRenderer();
        mybarrenderer.setDrawBarOutline(true);
        categoryplot.setRenderer(mybarrenderer);
        ChartUtilities.applyCurrentTheme(jfreechart);
        GradientPaint gradientpaint = new GradientPaint(0.0F, 0.0F, Color.blue, 0.0F, 0.0F, new Color(0, 0, 64));
        GradientPaint gradientpaint1 = new GradientPaint(0.0F, 0.0F, Color.green, 0.0F, 0.0F, new Color(0, 64, 0));
        GradientPaint gradientpaint2 = new GradientPaint(0.0F, 0.0F, Color.red, 0.0F, 0.0F, new Color(64, 0, 0));
        mybarrenderer.setSeriesPaint(0, gradientpaint);
        mybarrenderer.setSeriesPaint(1, gradientpaint1);
        mybarrenderer.setSeriesPaint(2, gradientpaint2);
        return jfreechart;
    }

    public static JPanel createDemoPanel() {
        JFreeChart jfreechart = createChart(createDataset());
        CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
        MyBarRenderer mybarrenderer = (MyBarRenderer) categoryplot.getRenderer();
        MyDemoPanel mydemopanel = new MyDemoPanel(mybarrenderer);
        ChartPanel chartpanel = new ChartPanel(jfreechart);
        mydemopanel.addChart(jfreechart);
        chartpanel.addChartMouseListener(mydemopanel);
        mydemopanel.add(chartpanel);
        return mydemopanel;
    }

    public static void main(String args[]) {
        MouseOverDemo1 mouseoverdemo1 = new MouseOverDemo1("JFreeChart: MouseoverDemo1.java");
        mouseoverdemo1.pack();
        RefineryUtilities.centerFrameOnScreen(mouseoverdemo1);
        mouseoverdemo1.setVisible(true);
    }
}