[18093] | 1 | package org.greenstone.gsdl3_extension.mat;
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| 2 |
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| 3 | import java.awt.Dimension;
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| 4 | import java.util.HashMap;
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| 5 | import java.util.Iterator;
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| 6 | import java.util.Set;
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| 7 | import javax.swing.JPanel;
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| 8 |
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| 9 | import org.jfree.chart.ChartFactory;
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| 10 | import org.jfree.chart.ChartPanel;
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| 11 | import org.jfree.chart.JFreeChart;
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| 12 | import org.jfree.chart.axis.CategoryAxis;
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| 13 | import org.jfree.chart.axis.CategoryLabelPositions;
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| 14 | import org.jfree.chart.plot.CategoryPlot;
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| 15 | import org.jfree.chart.plot.PlotOrientation;
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| 16 | import org.jfree.chart.renderer.category.BarRenderer;
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| 17 | import org.jfree.chart.renderer.category.CategoryItemRenderer;
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| 18 | import org.jfree.data.category.CategoryDataset;
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| 19 | import org.jfree.data.category.DefaultCategoryDataset;
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| 20 | import org.jfree.ui.ApplicationFrame;
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| 21 | import org.jfree.ui.RefineryUtilities;
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| 22 |
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| 23 | public class DrawXYChart extends ApplicationFrame
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| 24 | {
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| 25 | private static String Item = null;
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| 26 | private static HashMap map = new HashMap();
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| 27 |
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| 28 | public DrawXYChart(String str1, String str2, HashMap hp, int operation) {
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| 29 |
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| 30 | super("Frequency V.S "+str2);
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| 31 |
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| 32 | Item = str2;
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| 33 | map = hp;
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| 34 |
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| 35 | JPanel jpanel = createDemoPanel(operation);
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| 36 | jpanel.setPreferredSize(new Dimension(500, 270));
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| 37 | setContentPane(jpanel);
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| 38 |
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| 39 | pack();
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| 40 | RefineryUtilities.centerFrameOnScreen(this);
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| 41 | setVisible(true);
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| 42 | }
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| 43 |
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| 44 | private static CategoryDataset createDataset() {
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| 45 |
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| 46 | DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
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| 47 | Set s = map.keySet();
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| 48 | Iterator i = s.iterator();
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| 49 |
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| 50 | while(i.hasNext()){
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| 51 | String metaName = (String)i.next();
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| 52 | Integer in = (Integer)map.get(metaName);
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| 53 | int number = in.intValue();
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| 54 | defaultcategorydataset.addValue(number,metaName,metaName);
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| 55 | }
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| 56 | return defaultcategorydataset;
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| 57 | }
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| 58 |
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| 59 | private static CategoryDataset createDataset2() {
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| 60 |
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| 61 | DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
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| 62 | Set s = map.keySet();
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| 63 | Iterator i = s.iterator();
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| 64 | int counter = 0;
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| 65 |
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| 66 | while(i.hasNext()){
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| 67 | String metaName = (String)i.next();
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| 68 | Integer in = (Integer)map.get(metaName);
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| 69 | int number = in.intValue();
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| 70 | defaultcategorydataset.addValue(number , metaName, counter+"");
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| 71 | counter++;
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| 72 | }
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| 73 | return defaultcategorydataset;
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| 74 | }
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| 75 |
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| 76 | private static JFreeChart createChart(CategoryDataset categorydataset) {
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| 77 |
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| 78 | JFreeChart jfreechart = ChartFactory.createBarChart3D("",Item,"Frequency", categorydataset,PlotOrientation.VERTICAL, false,true, false);
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| 79 |
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| 80 | CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
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| 81 | CategoryAxis categoryaxis = categoryplot.getDomainAxis();
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| 82 | categoryaxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(0.39269908169872414));
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| 83 |
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| 84 | CategoryItemRenderer categoryitemrenderer = categoryplot.getRenderer();
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| 85 | categoryitemrenderer.setBaseItemLabelsVisible(true);
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| 86 |
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| 87 | BarRenderer barrenderer = (BarRenderer) categoryitemrenderer;
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| 88 | barrenderer.setItemMargin(0.2);
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| 89 |
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| 90 | return jfreechart;
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| 91 | }
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| 92 |
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| 93 | public static JPanel createDemoPanel(int operation) {
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| 94 |
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| 95 | JFreeChart jfreechart = createChart(createDataset());
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| 96 |
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| 97 | if(operation == 2){
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| 98 | jfreechart = createChart(createDataset2());
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| 99 | }
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| 100 | return new ChartPanel(jfreechart);
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| 101 | }
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| 102 |
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| 103 | /*
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| 104 | public static void main(String[] strings) {
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| 105 | DrawXYChart DrawXYChart
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| 106 | = new DrawXYChart("3D Bar Chart Demo 3", "title2",null,2);
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| 107 | DrawXYChart.pack();
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| 108 | RefineryUtilities.centerFrameOnScreen(DrawXYChart);
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| 109 | DrawXYChart.setVisible(true);
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| 110 | }
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| 111 | */
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| 112 |
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| 113 | public void windowClosing(java.awt.event.WindowEvent event){
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| 114 | this.dispose();
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| 115 | }
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| 116 | }
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| 117 |
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