1 | package org.greenstone.gsdl3_extension.mat;
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2 | import java.awt.Dimension;
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3 | import java.util.HashMap;
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4 | import java.util.Iterator;
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5 | import java.util.Set;
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6 |
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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 Title = null;
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26 | private static String Item = null;
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27 | private static HashMap map = new HashMap();
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28 |
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29 | public DrawXYChart(String str1, String str2, HashMap hp, int operation) {
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30 | super("Frequency V.S "+str2);
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31 | //Title = str1;
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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 | DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
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46 | //MetadataElement me = (MetadataElement) map.get(Item);
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47 | //Set tempMap = map.keySet();
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48 | Set s = map.keySet();
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49 | Iterator i = s.iterator();
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50 | //int counter = 1;
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51 |
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52 | while(i.hasNext()){
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53 | String metaName = (String)i.next();
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54 | Integer in = (Integer)map.get(metaName);
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55 | int number = in.intValue();
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56 | defaultcategorydataset.addValue(number,metaName,metaName);
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57 | //counter++;
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58 | }
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59 |
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60 | return defaultcategorydataset;
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61 | }
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62 |
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63 | private static CategoryDataset createDataset2() {
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64 | DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
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65 |
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66 | Set s = map.keySet();
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67 | Iterator i = s.iterator();
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68 | int counter = 0;
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69 |
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70 | while(i.hasNext()){
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71 | String metaName = (String)i.next();
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72 | Integer in = (Integer)map.get(metaName);
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73 | int number = in.intValue();
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74 | defaultcategorydataset.addValue(number , metaName, counter+"");
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75 | counter++;
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76 | }
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77 |
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78 | return defaultcategorydataset;
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79 | }
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80 |
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81 | private static JFreeChart createChart(CategoryDataset categorydataset) {
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82 | JFreeChart jfreechart
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83 | = ChartFactory.createBarChart3D("",Item,
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84 | "Frequency", categorydataset,
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85 | PlotOrientation.VERTICAL, false,
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86 | true, false);
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87 |
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88 | CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
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89 | CategoryAxis categoryaxis = categoryplot.getDomainAxis();
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90 | categoryaxis.setCategoryLabelPositions
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91 | (CategoryLabelPositions
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92 | .createUpRotationLabelPositions(0.39269908169872414));
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93 | CategoryItemRenderer categoryitemrenderer = categoryplot.getRenderer();
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94 | categoryitemrenderer.setBaseItemLabelsVisible(true);
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95 | BarRenderer barrenderer = (BarRenderer) categoryitemrenderer;
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96 | barrenderer.setItemMargin(0.2);
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97 | return jfreechart;
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98 | }
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99 |
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100 | public static JPanel createDemoPanel(int operation) {
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101 | JFreeChart jfreechart = createChart(createDataset());
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102 | if(operation == 2){
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103 | jfreechart = createChart(createDataset2());
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104 | }
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105 | return new ChartPanel(jfreechart);
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106 | }
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107 | /*
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108 | public static void main(String[] strings) {
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109 | DrawXYChart DrawXYChart
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110 | = new DrawXYChart("3D Bar Chart Demo 3", "title2",null,2);
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111 | DrawXYChart.pack();
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112 | RefineryUtilities.centerFrameOnScreen(DrawXYChart);
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113 | DrawXYChart.setVisible(true);
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114 | }
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115 | */
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116 | public void windowClosing(java.awt.event.WindowEvent event){
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117 | this.dispose();
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118 | }
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119 | }
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120 |
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