Java tutorial
/* Copyright 2013 by Sean Luke and George Mason University Licensed under the Academic Free License version 3.0 See the file "LICENSE" for more information */ package edu.gmu.cs.sim.util.media.chart; import javax.swing.*; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import java.awt.*; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import edu.gmu.cs.sim.util.gui.LabelledList; import edu.gmu.cs.sim.util.gui.PropertyField; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.LogarithmicAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.event.AxisChangeEvent; import org.jfree.chart.plot.XYPlot; import org.jfree.data.general.Dataset; import org.jfree.data.xy.XYDataset; // From JFreeChart // from iText (www.lowagie.com/iText/) /* // looks like we'll have to move to these soon import com.itextpdf.text.*; import com.itextpdf.text.pdf.*; */ /** An abstract subclass of ChartGenerator for charts which involve X-Y data, such as Time Series, Histograms, and Scatter Plots. */ public abstract class XYChartGenerator extends ChartGenerator { /** The global attributes domain axis field. */ PropertyField xLabel; /** The global attributes range axis field. */ PropertyField yLabel; /** The global attributes logarithmic range axis check box. */ JCheckBox yLog; /** The global attributes logarithmic domain axis check box. */ JCheckBox xLog; public void setXAxisLogScaled(boolean isLogScaled) { xLog.setSelected(isLogScaled); } public boolean isXAxisLogScaled() { return xLog.isSelected(); } public void setYAxisLogScaled(boolean isLogScaled) { yLog.setSelected(isLogScaled); } public boolean isYAxisLogScaled() { return yLog.isSelected(); } public Dataset getSeriesDataset() { return ((XYPlot) (chart.getPlot())).getDataset(); } public void setSeriesDataset(Dataset obj) { ((XYPlot) (chart.getPlot())).setDataset((XYDataset) obj); } /** Assumes that the underlying Dataset is an XYDataset. Override this for other datasets. */ public int getSeriesCount() { return ((XYDataset) getSeriesDataset()).getSeriesCount(); } /** @deprecated Sets the name of the Range Axis label -- usually this is the Y axis. */ public void setRangeAxisLabel(String val) { setYAxisLabel(val); } /** Sets the name of the Y Axis label. */ public void setYAxisLabel(String val) { XYPlot xyplot = (XYPlot) (chart.getPlot()); xyplot.getRangeAxis().setLabel(val); xyplot.axisChanged(new AxisChangeEvent(xyplot.getRangeAxis())); yLabel.setValue(val); } /** @deprecated Returns the name of the Range Axis Label -- usually this is the Y axis. */ public String getRangeAxisLabel() { return getYAxisLabel(); } /** Returns the name of the Y Axis label. */ public String getYAxisLabel() { return ((XYPlot) (chart.getPlot())).getRangeAxis().getLabel(); } /** @deprecated Sets the name of the Domain Axis label -- usually this is the X axis. */ public void setDomainAxisLabel(String val) { setXAxisLabel(val); } /** Sets the name of the X Axis label. */ public void setXAxisLabel(String val) { XYPlot xyplot = (XYPlot) (chart.getPlot()); xyplot.getDomainAxis().setLabel(val); xyplot.axisChanged(new AxisChangeEvent(xyplot.getDomainAxis())); xLabel.setValue(val); } /** @deprecated Returns the name of the Domain Axis label -- usually this is the X axis. */ public String getDomainAxisLabel() { return getXAxisLabel(); } /** Returns the name of the X Axis label. */ public String getXAxisLabel() { return ((XYPlot) (chart.getPlot())).getDomainAxis().getLabel(); } /** Returns the underlying chart. **/ public JFreeChart getChart() { return chart; } protected void buildGlobalAttributes(LabelledList list) { // create the chart ((XYPlot) (chart.getPlot())).setDomainGridlinesVisible(false); ((XYPlot) (chart.getPlot())).setRangeGridlinesVisible(false); ((XYPlot) (chart.getPlot())).setDomainGridlinePaint(new Color(200, 200, 200)); ((XYPlot) (chart.getPlot())).setRangeGridlinePaint(new Color(200, 200, 200)); xLabel = new PropertyField() { public String newValue(String newValue) { setXAxisLabel(newValue); getChartPanel().repaint(); return newValue; } }; xLabel.setValue(getXAxisLabel()); list.add(new JLabel("X Label"), xLabel); yLabel = new PropertyField() { public String newValue(String newValue) { setYAxisLabel(newValue); getChartPanel().repaint(); return newValue; } }; yLabel.setValue(getYAxisLabel()); list.add(new JLabel("Y Label"), yLabel); xLog = new JCheckBox(); xLog.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent e) { if (xLog.isSelected()) { LogarithmicAxis logAxis = new LogarithmicAxis(xLabel.getValue()); logAxis.setStrictValuesFlag(false); chart.getXYPlot().setDomainAxis(logAxis); } else { chart.getXYPlot().setDomainAxis(new NumberAxis(xLabel.getValue())); } } }); yLog = new JCheckBox(); yLog.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent e) { if (yLog.isSelected()) { LogarithmicAxis logAxis = new LogarithmicAxis(yLabel.getValue()); logAxis.setStrictValuesFlag(false); chart.getXYPlot().setRangeAxis(logAxis); } else { chart.getXYPlot().setRangeAxis(new NumberAxis(yLabel.getValue())); } } }); Box box = Box.createHorizontalBox(); box.add(new JLabel("X")); box.add(xLog); box.add(new JLabel(" Y")); box.add(yLog); box.add(Box.createGlue()); list.add(new JLabel("Log Axis"), box); final JCheckBox xgridlines = new JCheckBox(); xgridlines.setSelected(false); ItemListener il = new ItemListener() { public void itemStateChanged(ItemEvent e) { if (e.getStateChange() == ItemEvent.SELECTED) { chart.getXYPlot().setDomainGridlinesVisible(true); } else { chart.getXYPlot().setDomainGridlinesVisible(false); } } }; xgridlines.addItemListener(il); final JCheckBox ygridlines = new JCheckBox(); ygridlines.setSelected(false); il = new ItemListener() { public void itemStateChanged(ItemEvent e) { if (e.getStateChange() == ItemEvent.SELECTED) { chart.getXYPlot().setRangeGridlinesVisible(true); } else { chart.getXYPlot().setRangeGridlinesVisible(false); } } }; ygridlines.addItemListener(il); box = Box.createHorizontalBox(); box.add(new JLabel("X")); box.add(xgridlines); box.add(new JLabel(" Y")); box.add(ygridlines); box.add(Box.createGlue()); list.add(new JLabel("Grid Lines"), box); } /** @deprecated */ public void setRangeAxisRange(double lower, double upper) { setYAxisRange(lower, upper); } public void setYAxisRange(double lower, double upper) { XYPlot xyplot = (XYPlot) (chart.getPlot()); xyplot.getRangeAxis().setRange(lower, upper); } /** @deprecated */ public void setDomainAxisRange(double lower, double upper) { setXAxisRange(lower, upper); } public void setXAxisRange(double lower, double upper) { XYPlot xyplot = (XYPlot) (chart.getPlot()); xyplot.getDomainAxis().setRange(lower, upper); } }