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.BasicStroke; import java.awt.Color; import java.awt.Polygon; import java.awt.Shape; import java.awt.geom.Rectangle2D; import java.beans.PropertyChangeListener; 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.labels.StandardCategoryItemLabelGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.DefaultDrawingSupplier; import org.jfree.chart.plot.DrawingSupplier; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperCategoryChart; import edu.ucla.stat.SOCR.chart.gui.SOCRCategorySeriesLabelGenerator; /** * A line chart demo showing the use of a custom drawing supplier. */ public class LineChartDemo5 extends SuperCategoryChart implements PropertyChangeListener { /** * Creates a sample dataset. * @param isDemo true use the demo data, false use data from the JTable * @return a sample dataset. */ protected CategoryDataset createDataset(boolean isDemo) { if (isDemo) { // row keys... String series1 = "First"; String series2 = "Second"; String series3 = "Third"; // column keys... String type1 = "Type 1"; String type2 = "Type 2"; String type3 = "Type 3"; String type4 = "Type 4"; String type5 = "Type 5"; String type6 = "Type 6"; String type7 = "Type 7"; String type8 = "Type 8"; // create the dataset... DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(1.0, series1, type1); dataset.addValue(4.0, series1, type2); dataset.addValue(3.0, series1, type3); dataset.addValue(5.0, series1, type4); dataset.addValue(5.0, series1, type5); dataset.addValue(7.0, series1, type6); dataset.addValue(7.0, series1, type7); dataset.addValue(8.0, series1, type8); dataset.addValue(5.0, series2, type1); dataset.addValue(7.0, series2, type2); dataset.addValue(6.0, series2, type3); dataset.addValue(8.0, series2, type4); dataset.addValue(4.0, series2, type5); dataset.addValue(4.0, series2, type6); dataset.addValue(2.0, series2, type7); dataset.addValue(1.0, series2, type8); dataset.addValue(4.0, series3, type1); dataset.addValue(3.0, series3, type2); dataset.addValue(2.0, series3, type3); dataset.addValue(3.0, series3, type4); dataset.addValue(6.0, series3, type5); dataset.addValue(3.0, series3, type6); dataset.addValue(4.0, series3, type7); dataset.addValue(3.0, series3, type8); return dataset; } else return super.createDataset(false); } public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog(chartTitle + " doTest get called!"); int no_series = dataTable.getRowCount() - 1; int no_category = dataTable.getColumnCount() - 2; int[][] pairs = new int[no_category][2]; for (int i = 0; i < no_category; i++) { pairs[i][0] = i + 1; //column i store category i pairs[i][1] = 0; //column 0 stores series name } chart = chartMaker.getCategoryChart("Line", chartTitle, "Type", "Value", dataTable, no_category, pairs, "horizontal"); chartPanel = new ChartPanel(chart, false); setChart(); } /** * Creates a sample chart. * * @param dataset the dataset. * * @return a chart. */ protected JFreeChart createChart(CategoryDataset dataset) { JFreeChart chart = ChartFactory.createLineChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation !legendPanelOn, // include legend true, // tooltips false // urls ); chart.setBackgroundPaint(Color.white); Shape[] shapes = new Shape[3]; int[] xpoints; int[] ypoints; // right-pointing triangle xpoints = new int[] { -3, 3, -3 }; ypoints = new int[] { -3, 0, 3 }; shapes[0] = new Polygon(xpoints, ypoints, 3); // vertical rectangle shapes[1] = new Rectangle2D.Double(-2, -3, 3, 6); // left-pointing triangle xpoints = new int[] { -3, 3, 3 }; ypoints = new int[] { 0, -3, 3 }; shapes[2] = new Polygon(xpoints, ypoints, 3); DrawingSupplier supplier = new DefaultDrawingSupplier(DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_STROKE_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_STROKE_SEQUENCE, shapes); CategoryPlot plot = chart.getCategoryPlot(); plot.setOrientation(PlotOrientation.HORIZONTAL); plot.setBackgroundPaint(Color.lightGray); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); plot.setDrawingSupplier(supplier); // set the stroke for each series... plot.getRenderer().setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 10.0f, 6.0f }, 0.0f)); plot.getRenderer().setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 6.0f, 6.0f }, 0.0f)); plot.getRenderer().setSeriesStroke(2, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 2.0f, 6.0f }, 0.0f)); // customise the renderer... LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer(); renderer.setBaseShapesVisible(true); renderer.setBaseItemLabelsVisible(true); renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); renderer.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator()); // customise the range axis... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); rangeAxis.setAutoRangeIncludesZero(false); rangeAxis.setUpperMargin(0.12); setCategorySummary(dataset); return chart; } protected JFreeChart createLegend(CategoryDataset dataset) { JFreeChart chart = ChartFactory.createLineChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls ); chart.setBackgroundPaint(Color.white); Shape[] shapes = new Shape[3]; int[] xpoints; int[] ypoints; // right-pointing triangle xpoints = new int[] { -3, 3, -3 }; ypoints = new int[] { -3, 0, 3 }; shapes[0] = new Polygon(xpoints, ypoints, 3); // vertical rectangle shapes[1] = new Rectangle2D.Double(-2, -3, 3, 6); // left-pointing triangle xpoints = new int[] { -3, 3, 3 }; ypoints = new int[] { 0, -3, 3 }; shapes[2] = new Polygon(xpoints, ypoints, 3); DrawingSupplier supplier = new DefaultDrawingSupplier(DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_STROKE_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_STROKE_SEQUENCE, shapes); CategoryPlot plot = chart.getCategoryPlot(); plot.setOrientation(PlotOrientation.HORIZONTAL); plot.setBackgroundPaint(Color.lightGray); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); plot.setDrawingSupplier(supplier); // set the stroke for each series... plot.getRenderer().setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 10.0f, 6.0f }, 0.0f)); plot.getRenderer().setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 6.0f, 6.0f }, 0.0f)); plot.getRenderer().setSeriesStroke(2, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 2.0f, 6.0f }, 0.0f)); // customise the renderer... LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer(); renderer.setBaseShapesVisible(true); renderer.setBaseItemLabelsVisible(true); renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); renderer.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator()); return chart; } }