/* -------------------
* SelectionDemo2.java
* -------------------
* (C) Copyright 2009, by Object Refinery Limited.
*
*/
package org.jfree.chart.demo.selection;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.util.Random;
import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTable;
import javax.swing.border.EmptyBorder;
import javax.swing.border.TitledBorder;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableColumnModel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.panel.selectionhandler.CircularRegionSelectionHandler;
import org.jfree.chart.panel.selectionhandler.EntitySelectionManager;
import org.jfree.chart.panel.selectionhandler.MouseClickSelectionHandler;
import org.jfree.chart.panel.selectionhandler.RegionSelectionHandler;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.item.IRSUtilities;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.chart.demo.ApplicationFrame;
import org.jfree.chart.ui.NumberCellRenderer;
import org.jfree.chart.ui.WindowUtils;
import org.jfree.data.extension.DatasetIterator;
import org.jfree.data.extension.DatasetSelectionExtension;
import org.jfree.data.extension.impl.DatasetExtensionManager;
import org.jfree.data.extension.impl.XYCursor;
import org.jfree.data.extension.impl.XYDatasetSelectionExtension;
import org.jfree.data.general.Dataset;
import org.jfree.data.general.SelectionChangeEvent;
import org.jfree.data.general.SelectionChangeListener;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
/**
* A demo scatter plot.
*/
public class SelectionDemo2 extends ApplicationFrame
implements SelectionChangeListener<XYCursor> {
private JTable table;
private DefaultTableModel model;
private XYSeriesCollection dataset;
/**
* A demonstration application showing a scatter plot.
*
* @param title the frame title.
*/
public SelectionDemo2(String title) {
super(title);
ChartPanel chartPanel = (ChartPanel) createDemoPanel();
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
JFreeChart chart = chartPanel.getChart();
XYPlot plot = (XYPlot) chart.getPlot();
this.dataset = (XYSeriesCollection) plot.getDataset();
JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
split.add(chartPanel);
this.model = new DefaultTableModel(new String[] {"Series:", "Item:", "X:", "Y:"}, 0);
this.table = new JTable(this.model);
TableColumnModel tcm = this.table.getColumnModel();
tcm.getColumn(2).setCellRenderer(new NumberCellRenderer());
tcm.getColumn(3).setCellRenderer(new NumberCellRenderer());
JPanel p = new JPanel(new BorderLayout());
JScrollPane scroller = new JScrollPane(this.table);
p.add(scroller);
p.setBorder(BorderFactory.createCompoundBorder(
new TitledBorder("Selected Items: "),
new EmptyBorder(4, 4, 4, 4)));
split.add(p);
setContentPane(split);
}
/**
* The selection changed, so we change the table model.
*
* @param event the event.
*/
@Override
public void selectionChanged(SelectionChangeEvent<XYCursor> event) {
while (this.model.getRowCount() > 0) {
this.model.removeRow(0);
}
XYDatasetSelectionExtension ext = (XYDatasetSelectionExtension)
event.getSelectionExtension();
DatasetIterator<XYCursor> iter = ext.getSelectionIterator(true);
while (iter.hasNext()) {
XYCursor dc = iter.next();
Comparable seriesKey = this.dataset.getSeriesKey(dc.series);
Number x = this.dataset.getX(dc.series, dc.item);
Number y = this.dataset.getX(dc.series, dc.item);
this.model.addRow(new Object[] { seriesKey, new Integer(dc.item),
x, y});
}
}
private static JFreeChart createChart(XYDataset dataset,
DatasetSelectionExtension<XYCursor> ext) {
JFreeChart chart = ChartFactory.createScatterPlot("SelectionDemo2",
"X", "Y", dataset);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setNoDataMessage("NO DATA");
plot.setDomainPannable(true);
plot.setRangePannable(true);
plot.setDomainZeroBaselineVisible(true);
plot.setRangeZeroBaselineVisible(true);
plot.setDomainGridlineStroke(new BasicStroke(0.0f));
plot.setRangeGridlineStroke(new BasicStroke(0.0f));
plot.setDomainMinorGridlinesVisible(true);
plot.setRangeMinorGridlinesVisible(true);
XYLineAndShapeRenderer r = (XYLineAndShapeRenderer) plot.getRenderer();
r.setSeriesFillPaint(0, r.lookupSeriesPaint(0));
r.setSeriesFillPaint(1, r.lookupSeriesPaint(1));
r.setSeriesFillPaint(2, r.lookupSeriesPaint(2));
r.setUseFillPaint(true);
NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
domainAxis.setAutoRangeIncludesZero(false);
domainAxis.setTickMarkInsideLength(2.0f);
domainAxis.setTickMarkOutsideLength(2.0f);
domainAxis.setMinorTickMarksVisible(true);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setTickMarkInsideLength(2.0f);
rangeAxis.setTickMarkOutsideLength(2.0f);
rangeAxis.setMinorTickMarksVisible(true);
//add selection specific rendering
IRSUtilities.setSelectedItemFillPaint(r, ext, Color.white);
//register plot as selection change listener
ext.addChangeListener(plot);
return chart;
}
public static XYDataset createDataset() {
Random rgen = new Random();
XYSeriesCollection dataset = new XYSeriesCollection();
for (int s = 0; s < 3; s++) {
XYSeries series = new XYSeries("S" + s);
for (int i = 0; i < 100; i++) {
double x = rgen.nextGaussian() * 200;
double y = rgen.nextGaussian() * 200;
series.add(x, y);
}
dataset.addSeries(series);
}
return dataset;
}
/**
* Creates a panel for the demo (used by SuperDemo.java).
*
* @return A panel.
*/
public JPanel createDemoPanel() {
XYDataset dataset = createDataset();
//extend dataset and add selection change listener for the demo
DatasetSelectionExtension<XYCursor> datasetExtension
= new XYDatasetSelectionExtension(dataset);
datasetExtension.addChangeListener(this);
//standard setup
JFreeChart chart = createChart(dataset, datasetExtension);
ChartPanel panel = new ChartPanel(chart);
panel.setMouseWheelEnabled(true);
// add a selection handler
RegionSelectionHandler selectionHandler
= new CircularRegionSelectionHandler();
panel.addMouseHandler(selectionHandler);
panel.addMouseHandler(new MouseClickSelectionHandler());
panel.removeMouseHandler(panel.getZoomHandler());
// add a selection manager
DatasetExtensionManager dExManager = new DatasetExtensionManager();
dExManager.registerDatasetExtension(datasetExtension);
panel.setSelectionManager(new EntitySelectionManager(panel,
new Dataset[] { dataset }, dExManager));
return panel;
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
SelectionDemo2 demo = new SelectionDemo2(
"JFreeChart: SelectionDemo2.java");
demo.pack();
WindowUtils.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}