Java tutorial
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See the GNU Lesser General Public License for more details see http://opensource.org/licenses/lgpl-license.php. http://www.SOCR.ucla.edu http://wiki.stat.ucla.edu/socr It s Online, Therefore, It Exists! ****************************************************/ package edu.ucla.stat.SOCR.chart.demo; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.beans.PropertyChangeListener; import java.text.NumberFormat; import javax.swing.BoxLayout; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.Timer; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.block.ColumnArrangement; import org.jfree.chart.labels.StandardPieSectionLabelGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PiePlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.AreaRenderer; import org.jfree.chart.title.LegendTitle; import org.jfree.data.category.CategoryDataset; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.ui.HorizontalAlignment; import org.jfree.ui.VerticalAlignment; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperPieChart; import edu.ucla.stat.SOCR.chart.gui.HiddenPlot; import edu.ucla.stat.SOCR.chart.gui.Rotator; import edu.ucla.stat.SOCR.chart.gui.SOCRCategorySeriesLabelGenerator; /** * A simple demonstration application showing how to create a pie chart using data from a * {@link DefaultPieDataset}. This chart has a lot of labels and rotates, so it is useful for * testing the label distribution algorithm. */ public class PieChartDemo4 extends SuperPieChart implements PropertyChangeListener { public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("PieChartDemo4 doTest get called!"); int[][] pairs = new int[1][2]; pairs[0][0] = 1; // value pairs[0][1] = 0; // name chart = chartMaker.getPieChart("Pie Chart Demo4", dataTable, pairs, "2D clockwise"); chartPanel = new ChartPanel(chart, false); setChart(); } /* public void setChart(){ // update graph // System.out.println("setChart called"); JFreeChart chart1 = createChart(dataset); graphPanel.removeAll(); graphPanel.setLayout(new BoxLayout(graphPanel, BoxLayout.Y_AXIS)); chartPanel = new ChartPanel(chart1, false); chartPanel.setPreferredSize(new Dimension(CHART_SIZE_X,CHART_SIZE_Y)); if (legendPanelOn){ JFreeChart chart2 = createLegendChart(createLegend(dataset)); legendPanel = new ChartPanel(chart2,false); legendPanel.setPreferredSize(new Dimension(CHART_SIZE_X,CHART_SIZE_Y*2/3)); } graphPanel.add(chartPanel); JScrollPane legendPane = new JScrollPane(legendPanel); if (legendPanelOn){ legendPane.setPreferredSize(new Dimension(CHART_SIZE_X,CHART_SIZE_Y/3)); graphPanel.add(legendPane); } graphPanel.validate(); // get the GRAPH panel to the front if (tabbedPanelContainer.getTitleAt(tabbedPanelContainer.getSelectedIndex())!=ALL) { tabbedPanelContainer.setSelectedIndex(tabbedPanelContainer.indexOfComponent(graphPanel)); graphPanel.removeAll(); graphPanel.setLayout(new BoxLayout(graphPanel, BoxLayout.Y_AXIS)); graphPanel.add(chartPanel); legendPane = new JScrollPane(legendPanel); legendPane.setPreferredSize(new Dimension(CHART_SIZE_X,CHART_SIZE_Y/3)); if (legendPanelOn) graphPanel.add(legendPane); graphPanel.validate(); } else { graphPanel2.removeAll(); chartPanel.setPreferredSize(new Dimension(CHART_SIZE_X*2/3,CHART_SIZE_Y*2/3)); graphPanel2.add(chartPanel); legendPane = new JScrollPane(legendPanel); legendPane.setPreferredSize(new Dimension(CHART_SIZE_X*2/3,CHART_SIZE_Y/3)); if (legendPanelOn) graphPanel2.add(legendPane); graphPanel2.validate(); summaryPanel.validate(); } }*/ /* protected void setMixPanel(){ // System.out.println("setMixPanel called"); dataPanel2.removeAll(); graphPanel2.removeAll(); graphPanel2.setPreferredSize(new Dimension(CHART_SIZE_X*2/3,CHART_SIZE_Y*2/3)); graphPanel2.setLayout(new BoxLayout(graphPanel2, BoxLayout.Y_AXIS)); graphPanel2.add(chartPanel); if (legendPanelOn){ JScrollPane legendPane = new JScrollPane(legendPanel); legendPane.setPreferredSize(new Dimension(CHART_SIZE_X,CHART_SIZE_Y/3)); graphPanel2.add(legendPane); } graphPanel2.validate(); dataPanel2.add(new JLabel(" ")); dataPanel2.add(new JLabel("Data")); JScrollPane dt = new JScrollPane(dataTable); dt.setPreferredSize(new Dimension(CHART_SIZE_X/3, CHART_SIZE_Y*3/8)); dataPanel2.add(dt); JScrollPane st = new JScrollPane(summaryPanel); st.setPreferredSize(new Dimension(CHART_SIZE_X/3,CHART_SIZE_Y/6)); dataPanel2.add(st); st.validate(); dataPanel2.add(new JLabel(" ")); dataPanel2.add(new JLabel("Mapping")); mapPanel.setPreferredSize(new Dimension(CHART_SIZE_X/3, CHART_SIZE_Y/2)); dataPanel2.add(mapPanel); dataPanel2.validate(); mixPanel.removeAll(); mixPanel.add(graphPanel2, BorderLayout.WEST); mixPanel.add(new JScrollPane(dataPanel2), BorderLayout.CENTER); mixPanel.validate(); }*/ protected JFreeChart createChart(PieDataset dataset) { // create the chart... JFreeChart chart = ChartFactory.createPieChart(chartTitle, // chart title dataset, // dataset !legendPanelOn, // include legend true, false); // set the background color for the chart... chart.setBackgroundPaint(new Color(222, 222, 255)); PiePlot plot = (PiePlot) chart.getPlot(); plot.setBackgroundPaint(Color.white); plot.setCircular(true); for (int i = 0; i < pulloutFlag.length; i++) { //System.out.println("\""+pulloutFlag[i]+"\""); if (isPullout(i)) { Comparable key = dataset.getKey(i); plot.setExplodePercent(key, 0.30); } } plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} = {2}", NumberFormat.getNumberInstance(), NumberFormat.getPercentInstance())); plot.setNoDataMessage("No data available"); if (rotateOn) { Rotator rotator = new Rotator(plot); rotator.start(); } setCategorySummary(dataset); return chart; } public void doChart() { if (dataTable.isEditing()) dataTable.getCellEditor().stopCellEditing(); if (!hasExample) { showMessageDialog(DATA_MISSING_MESSAGE); resetChart(); return; } if (dependentIndex < 0 || independentIndex < 0 || independentLength == 0) { showMessageDialog(VARIABLE_MISSING_MESSAGE); resetChart(); return; } dataset = createDataset(false); // not a demo, so get data from the table JFreeChart chart1 = createChart(dataset); chartPanel = new ChartPanel(chart1, false); setChart(); //updateStatus("Chart has been updated, click GRAPH to view it."); } /** * Creates a sample dataset. * * @param sections the number of sections. * * @return A sample dataset. */ protected DefaultPieDataset createDataset(boolean isDemo) { if (isDemo) { dataset = createDataset(14); pulloutFlag = new String[14]; for (int i = 0; i < 14; i++) pulloutFlag[i] = "0"; pulloutFlag[2] = "1"; return dataset; } else return super.createDataset(false); } protected DefaultPieDataset createDataset(int sections) { DefaultPieDataset result = new DefaultPieDataset(); for (int i = 0; i < sections; i++) { double value = 100.0 * Math.random(); result.setValue("Section " + i, value); } return result; } }