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Java > Open Source Codes > org > jahia > sqlprofiler > gui > ChartPanel


1 package org.jahia.sqlprofiler.gui;
2
3 import javax.swing.JPanel JavaDoc;
4
5 import javax.swing.*;
6 import java.awt.*;
7 import java.awt.event.WindowEvent JavaDoc;
8 import org.jCharts.chartData.ChartDataException;
9 import org.jCharts.properties.PropertyException;
10 import org.jCharts.properties.PieChart2DProperties;
11 import org.jCharts.properties.LegendProperties;
12 import org.jCharts.properties.ChartProperties;
13 import org.jCharts.chartData.PieChartDataSet;
14 import org.jCharts.nonAxisChart.PieChart2D;
15 import org.jCharts.axisChart.AxisChart;
16 import org.jCharts.test.TestDataGenerator;
17 import org.jCharts.properties.LineChartProperties;
18 import org.jCharts.properties.PointChartProperties;
19 import org.jCharts.chartData.AxisChartDataSet;
20 import org.jCharts.types.ChartType;
21 import org.jCharts.properties.AxisProperties;
22 import org.jCharts.chartData.DataSeries;
23 import java.util.Date JavaDoc;
24 import java.text.SimpleDateFormat JavaDoc;
25 import java.util.ArrayList JavaDoc;
26 import java.util.Iterator JavaDoc;
27 import org.jahia.sqlprofiler.QueryEntry;
28 import org.jCharts.Chart;
29 import org.apache.log4j.Category;
30
31 /**
32  * <p>Title: </p>
33  * <p>Description: </p>
34  * <p>Copyright: Copyright (c) 2003</p>
35  * <p>Company: Jahia Ltd</p>
36  * @author not attributable
37  * @version 1.0
38  */
39
40 public class ChartPanel extends JPanel JavaDoc implements ChartModelListener {
41
42     /** used to log messages **/
43     private static final Category LOG =
44         Category.getInstance(ChartPanel.class);
45
46     private Chart chart;
47     private ChartModel chartModel;
48
49     public ChartPanel(ChartModel chartModel) throws
50         ChartDataException, PropertyException {
51         chartModel.addChartModelListener(this);
52         this.chartModel = chartModel;
53     }
54
55     public void paint(Graphics graphics) {
56
57         chart = chartModel.getChart(this.getSize());
58
59         if (chart != null) {
60             try {
61                 chart.setGraphics2D( (Graphics2D) graphics);
62                 chart.render();
63             } catch (PropertyException pe) {
64                 pe.printStackTrace();
65             } catch (ChartDataException cde) {
66                 cde.printStackTrace();
67             }
68         }
69     }
70
71     public void chartDataChanged(ChartModelEvent e) {
72         ChartModel chartModel = (ChartModel) e.getSource();
73         this.chartModel = chartModel; // in case it changed !
74 this.repaint();
75     }
76
77 }
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