xyticklabeldemo.java

这是一个segy数据显示程序

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * --------------------
 * XYTickLabelDemo.java
 * --------------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  Matthias Rose;
 * Contributor(s):   -;
 *
 * $Id: XYTickLabelDemo.java,v 1.9 2004/04/27 14:53:09 mungady Exp $
 *
 * Changes
 * -------
 * 15-Jul-2002 : Version 1 (MR);
 *
 */


package org.jfree.chart.demo;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.AxisLocation;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.SymbolicAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.StandardXYItemRenderer;
import org.jfree.data.XYSeries;
import org.jfree.data.XYSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.Spacer;

/**
 * An example which shows some bugs with tick labels in version 0.9.13
 *
 * @author Matthias Rose
 */
public class XYTickLabelDemo extends ApplicationFrame implements ActionListener {

    /** The default font size. */
    private static final int DEFAULT_FONT_SIZE = 13; // causes some overlapping 

    /** The chart */
    private JFreeChart chart;

    /** Tick labels vertical? */
    private JCheckBox verticalTickLabelsCheckBox;

    /** Plot horizontal? */
    private JCheckBox horizontalPlotCheckBox;

    /** SymbolicAxes? */
    private JCheckBox symbolicAxesCheckBox;

    /** Tick labels font size entry field */
    private JTextField fontSizeTextField;

    /**
     * A demonstration application showing some bugs with tick labels in version 0.9.13
     *
     * @param title  the frame title.
     */
    public XYTickLabelDemo(final String title) {

        super(title);
        this.chart = createChart();
        final ChartPanel chartPanel = new ChartPanel(this.chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(600, 270));

        final JPanel mainPanel = new JPanel(new BorderLayout());
        setContentPane(mainPanel);
        mainPanel.add(chartPanel);

        final JPanel optionsPanel = new JPanel();
        mainPanel.add(optionsPanel, BorderLayout.SOUTH);
        
        this.symbolicAxesCheckBox = new JCheckBox("Symbolic axes");
        this.symbolicAxesCheckBox.addActionListener(this);
        optionsPanel.add(this.symbolicAxesCheckBox);

        this.verticalTickLabelsCheckBox = new JCheckBox("Tick labels vertical");
        this.verticalTickLabelsCheckBox.addActionListener(this);
        optionsPanel.add(this.verticalTickLabelsCheckBox);

        this.fontSizeTextField = new JTextField(3);
        this.fontSizeTextField.addActionListener(this);
        optionsPanel.add(new JLabel("Font size:"));
        optionsPanel.add(this.fontSizeTextField);
        final ValueAxis axis = this.chart.getXYPlot().getDomainAxis();
        this.fontSizeTextField.setText(DEFAULT_FONT_SIZE + "");

        final XYPlot plot = this.chart.getXYPlot();
        Font ft = axis.getTickLabelFont();
        ft = ft.deriveFont((float) DEFAULT_FONT_SIZE);
        plot.getDomainAxis().setTickLabelFont(ft);
        plot.getRangeAxis().setTickLabelFont(ft);
        plot.getDomainAxis(1).setTickLabelFont(ft);
        plot.getRangeAxis(1).setTickLabelFont(ft);

        this.horizontalPlotCheckBox = new JCheckBox("Plot horizontal");
        this.horizontalPlotCheckBox.addActionListener(this);
        optionsPanel.add(this.horizontalPlotCheckBox);       
    }

    /**
     * When a checkbox is changed ...
     * 
     * @param event  the event.
     */
    public void actionPerformed(final ActionEvent event) {
        final ValueAxis[] axes = new ValueAxis[4];
        final XYPlot plot = this.chart.getXYPlot();
        axes[0] = plot.getDomainAxis();
        axes[1] = plot.getRangeAxis();
        axes[2] = plot.getDomainAxis(1);
        axes[3] = plot.getRangeAxis(1);

        final Object source = event.getSource();
        
        if (source == this.symbolicAxesCheckBox) {

            final boolean val = this.symbolicAxesCheckBox.isSelected();
        
            for (int i = 0; i < axes.length; i++) {
                ValueAxis axis = axes[i];
                final String label = axis.getLabel();
                final int maxTick = (int) axis.getUpperBound();
                final String[] tickLabels = new String[maxTick];
                final Font ft = axis.getTickLabelFont();
                for (int itk = 0; itk < maxTick; itk++) {
                    tickLabels[itk] = "Label " + itk;
                }
                axis = val ? new SymbolicAxis(label, tickLabels) : new NumberAxis(label);  
                axis.setTickLabelFont(ft);
                axes[i] = axis;
            }
            plot.setDomainAxis(axes[0]);
            plot.setRangeAxis(axes[1]);
            plot.setDomainAxis(1, axes[2]);
            plot.setRangeAxis(1, axes[3]);     

        }
        
        if (source == this.symbolicAxesCheckBox || source == this.verticalTickLabelsCheckBox) {
            final boolean val = this.verticalTickLabelsCheckBox.isSelected();
                        
            for (int i = 0; i < axes.length; i++) {
                axes[i].setVerticalTickLabels(val);
            }
            
        } 
        else if (source == this.symbolicAxesCheckBox || source == this.horizontalPlotCheckBox) {
            
            final PlotOrientation val = this.horizontalPlotCheckBox.isSelected()
                ? PlotOrientation.HORIZONTAL : PlotOrientation.VERTICAL;
            this.chart.getXYPlot().setOrientation(val);
            
        } 
        else if (source == this.symbolicAxesCheckBox || source == this.fontSizeTextField) {
            final String s = this.fontSizeTextField.getText();
            if (s.length() > 0) {
                final float sz = Float.parseFloat(s);
                for (int i = 0; i < axes.length; i++) {
                    final ValueAxis axis = axes[i];
                    Font ft = axis.getTickLabelFont();
                    ft = ft.deriveFont(sz);
                    axis.setTickLabelFont(ft);
                }
            }
        }       
    }

    /**
     * Creates the demo chart.
     * 
     * @return The chart.
     */
    private JFreeChart createChart() {

        // create some sample data
        
        final XYSeries series1 = new XYSeries("Something");
        series1.add(0.0, 30.0);
        series1.add(1.0, 10.0);
        series1.add(2.0, 40.0);
        series1.add(3.0, 30.0);
        series1.add(4.0, 50.0);
        series1.add(5.0, 50.0);
        series1.add(6.0, 70.0);
        series1.add(7.0, 70.0);
        series1.add(8.0, 80.0);

        final XYSeriesCollection dataset1 = new XYSeriesCollection();
        dataset1.addSeries(series1);
  
        final XYSeries series2 = new XYSeries("Something else");
        series2.add(0.0, 5.0);
        series2.add(1.0, 4.0);
        series2.add(2.0, 1.0);
        series2.add(3.0, 5.0);
        series2.add(4.0, 0.0);

        final XYSeriesCollection dataset2 = new XYSeriesCollection();
        dataset2.addSeries(series2);
  
        // create the chart
        
        final JFreeChart result = ChartFactory.createXYLineChart(
            "Tick Label Demo", 
            "Domain Axis 1",
            "Range Axis 1",
            dataset1, 
            PlotOrientation.VERTICAL,
            false, 
            true, 
            false
        );

        result.setBackgroundPaint(Color.white);
        final XYPlot plot = result.getXYPlot();
        plot.setOrientation(PlotOrientation.VERTICAL);
        plot.setBackgroundPaint(Color.lightGray);
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
        plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
        
        final StandardXYItemRenderer renderer = (StandardXYItemRenderer) plot.getRenderer();
        renderer.setPaint(Color.black);
       
        // DOMAIN AXIS 2
        final NumberAxis xAxis2 = new NumberAxis("Domain Axis 2");
        xAxis2.setAutoRangeIncludesZero(false);
        plot.setDomainAxis(1, xAxis2);
       
        // RANGE AXIS 2
        final DateAxis yAxis1 = new DateAxis("Range Axis 1");
        plot.setRangeAxis(yAxis1);
        
        final DateAxis yAxis2 = new DateAxis("Range Axis 2");
        plot.setRangeAxis(1, yAxis2);
        plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);

        plot.setDataset(1, dataset2);    
        plot.mapDatasetToDomainAxis(1, 1);
        plot.mapDatasetToRangeAxis(1, 1);    
        
        return result;        
    }

    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(final String[] args) {

        final XYTickLabelDemo demo = new XYTickLabelDemo("Tick Label Demo");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }
}