Java tutorial
/* ------------------- * SelectionDemo1.java * ------------------- * (C) Copyright 2009-2014, by Object Refinery Limited. * */ package org.jfree.chart.demo.selection; import java.awt.BorderLayout; import java.awt.Color; 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.panel.selectionhandler.EntitySelectionManager; import org.jfree.chart.panel.selectionhandler.FreeRegionSelectionHandler; 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.time.Month; import org.jfree.data.time.RegularTimePeriod; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; public class SelectionDemo1 extends ApplicationFrame implements SelectionChangeListener<XYCursor> { private JTable table; private DefaultTableModel model; private TimeSeriesCollection dataset; /** * A demonstration application showing how to create a simple time series * chart. This example uses monthly data. * * @param title the frame title. */ public SelectionDemo1(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 = (TimeSeriesCollection) plot.getDataset(); JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT); split.add(chartPanel); this.model = new DefaultTableModel(new String[] { "Series:", "Item:", "Period:", "Value:" }, 0); this.table = new JTable(this.model); TableColumnModel tcm = this.table.getColumnModel(); 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 event information. */ 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); RegularTimePeriod p = this.dataset.getSeries(dc.series).getTimePeriod(dc.item); Number value = this.dataset.getY(dc.series, dc.item); this.model.addRow(new Object[] { seriesKey, new Integer(dc.item), p, value }); } } /** * Creates a chart. * * @param dataset a dataset. * * @return A chart. */ private static JFreeChart createChart(XYDataset dataset, DatasetSelectionExtension<XYCursor> ext) { JFreeChart chart = ChartFactory.createTimeSeriesChart("Stock Prices", "Date", "Price Per Unit", dataset); XYPlot plot = (XYPlot) chart.getPlot(); plot.setDomainPannable(true); plot.setRangePannable(true); plot.setDomainCrosshairVisible(true); plot.setRangeCrosshairVisible(true); XYLineAndShapeRenderer r = (XYLineAndShapeRenderer) plot.getRenderer(); r.setBaseShapesVisible(true); r.setBaseShapesFilled(true); r.setUseFillPaint(true); r.setSeriesFillPaint(0, r.lookupSeriesPaint(0)); r.setSeriesFillPaint(1, r.lookupSeriesPaint(1)); //add selection specific rendering IRSUtilities.setSelectedItemFillPaint(r, ext, Color.white); //register plot as selection change listener ext.addChangeListener(plot); return chart; } /** * Creates a dataset, consisting of two series of monthly data. * * @return The dataset. */ private static TimeSeriesCollection createDataset() { TimeSeries s1 = new TimeSeries("S1"); s1.add(new Month(1, 2009), 181.8); s1.add(new Month(2, 2009), 167.3); s1.add(new Month(3, 2009), 153.8); s1.add(new Month(4, 2009), 167.6); s1.add(new Month(5, 2009), 158.8); s1.add(new Month(6, 2009), 148.3); s1.add(new Month(7, 2009), 153.9); s1.add(new Month(8, 2009), 142.7); s1.add(new Month(9, 2009), 123.2); s1.add(new Month(10, 2009), 131.8); s1.add(new Month(11, 2009), 139.6); s1.add(new Month(12, 2009), 142.9); s1.add(new Month(1, 2010), 138.7); s1.add(new Month(2, 2010), 137.3); s1.add(new Month(3, 2010), 143.9); s1.add(new Month(4, 2010), 139.8); s1.add(new Month(5, 2010), 137.0); s1.add(new Month(6, 2010), 132.8); TimeSeries s2 = new TimeSeries("S2"); s2.add(new Month(1, 2009), 129.6); s2.add(new Month(2, 2009), 123.2); s2.add(new Month(3, 2009), 117.2); s2.add(new Month(4, 2009), 124.1); s2.add(new Month(5, 2009), 122.6); s2.add(new Month(6, 2009), 119.2); s2.add(new Month(7, 2009), 116.5); s2.add(new Month(8, 2009), 112.7); s2.add(new Month(9, 2009), 101.5); s2.add(new Month(10, 2009), 106.1); s2.add(new Month(11, 2009), 110.3); s2.add(new Month(12, 2009), 111.7); s2.add(new Month(1, 2010), 111.0); s2.add(new Month(2, 2010), 109.6); s2.add(new Month(3, 2010), 113.2); s2.add(new Month(4, 2010), 111.6); s2.add(new Month(5, 2010), 108.8); s2.add(new Month(6, 2010), 101.6); TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(s1); dataset.addSeries(s2); return dataset; } public final JPanel createDemoPanel() { XYDataset xydataset = createDataset(); //extend dataset and add selection change listener for the demo DatasetSelectionExtension<XYCursor> datasetExtension = new XYDatasetSelectionExtension(xydataset); datasetExtension.addChangeListener(this); //standard setup JFreeChart chart = createChart(xydataset, datasetExtension); ChartPanel panel = new ChartPanel(chart); panel.setMouseWheelEnabled(true); // add a selection handler RegionSelectionHandler selectionHandler = new FreeRegionSelectionHandler(); 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[] { xydataset }, dExManager)); return panel; } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(String[] args) { SelectionDemo1 demo = new SelectionDemo1("JFreeChart: SelectionDemo1"); demo.pack(); WindowUtils.centerFrameOnScreen(demo); demo.setVisible(true); } }