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