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2010-06-01T06:52:30Z

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в 18:01, 31 мая 2010

2010-05-31T18:01:45Z

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== JFreeChart: Thermometer Chart ==

== JFreeChart: Thermometer Demo ==



<source lang="java">

/* ===========================================================
* 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.]
*
* --------------------
* ThermometerDemo.java
* --------------------
* (C) Copyright 2002-2004, by Australian Antarctic Division and Contributors.
*
* Original Author: Bryan Scott (for Australian Antarctic Division).
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: ThermometerDemo.java,v 1.13 2004/04/26 19:12:03 taqua Exp $
*
* Changes (since 24-Apr-2002)
* ---------------------------
* 24-Apr-2002 : added standard source header (DG);
* 17-Sep-2002 : fixed errors reported by Checkstyle 2.3 (DG);
* 19-Nov-2003 : Added support for Left value display
*
*/
package org.jfree.chart.demo;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.text.DecimalFormat;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.JThermometer;
import org.jfree.chart.plot.MeterPlot;
import org.jfree.data.general.DefaultValueDataset;
/**
* A demonstration application for the thermometer plot.
*
* @author Bryan Scott
*/
public class ThermometerDemo extends JPanel {
/** Options for the value label position combo box. */
protected static final String[] OPTIONS = {
"None", "Right", "Left", "Bulb"};
/** Axis position options. */
protected static final String[] AXIS_OPTIONS = {
"None", "Right", "Left"};
/** The dataset. */
private DefaultValueDataset data = new DefaultValueDataset(20.0);
/** The meter plot (dial). */
private MeterPlot meterplot = new MeterPlot(this.data);
/** The meter chart (dial). */
private JFreeChart meterchart = new JFreeChart("Meter Chart",
JFreeChart.DEFAULT_TITLE_FONT,
this.meterplot, false);
/** The meter panel. */
private ChartPanel panelMeter = new ChartPanel(this.meterchart);
/** Panel 1. */
private JPanel jPanel1 = new JPanel();
/** Increment button for thermometer ?. */
private JButton butUp3 = new JButton();
/** Decrement button for thermometer ?. */
private JButton butDown3 = new JButton();
/** Panel 2. */
private JPanel jPanel2 = new JPanel();
/** Borderlayout 2. */
private BorderLayout borderLayout2 = new BorderLayout();
/** Panel 3. */
private JPanel jPanel3 = new JPanel();
/** Borderlayout 3. */
private BorderLayout borderLayout3 = new BorderLayout();
/** Panel 4. */
private JPanel jPanel4 = new JPanel();
/** Decrement button for thermometer ?. */
private JButton butDown2 = new JButton();
/** Increment button for thermometer ?. */
private JButton butUp2 = new JButton();
/** Panel 5. */
private JPanel jPanel5 = new JPanel();
/** Grid layout 1. */
private GridLayout gridLayout1 = new GridLayout();
/** Panel 6. */
private JPanel jPanel6 = new JPanel();
/** Increment button for thermometer ?. */
private JButton butUp1 = new JButton();
/** Decrement button for thermometer ?. */
private JButton butDown1 = new JButton();
/** Thermometer 1. */
private JThermometer thermo1 = new JThermometer();
/** Thermometer 2. */
private JThermometer thermo2 = new JThermometer();
/** Thermometer 2. */
private JThermometer thermo3 = new JThermometer();
/** Array of thermometers. */
private JThermometer[] thermo = new JThermometer[3];
/** Borderlayout 1. */
private BorderLayout borderLayout1 = new BorderLayout();
/** Panel 7. */
private JPanel jPanel7 = new JPanel();
/** Panel 8. */
private JPanel jPanel8 = new JPanel();
/** Panel 9. */
private JPanel jPanel9 = new JPanel();
/** Grid layout 2. */
private GridLayout gridLayout2 = new GridLayout();
/** Grid layout 3. */
private GridLayout gridLayout3 = new GridLayout();
/** Grid layout 4. */
private GridLayout gridLayout4 = new GridLayout();
/** Combo box 1 for value label position. */
private JComboBox pickShow0 = new JComboBox(OPTIONS);
/** Combo box 2 for value label position. */
private JComboBox pickShow1 = new JComboBox(OPTIONS);
/** Combo box 3 for value label position. */
private JComboBox pickShow2 = new JComboBox(OPTIONS);
/** Combo box 1 for axis position. */
private JComboBox pickAxis0 = new JComboBox(AXIS_OPTIONS);
/** Combo box 2 for axis position. */
private JComboBox pickAxis1 = new JComboBox(AXIS_OPTIONS);
/** Combo box 3 for axis position. */
private JComboBox pickAxis2 = new JComboBox(AXIS_OPTIONS);
/** An array of combo boxes. */
private JComboBox[] pickShow = new JComboBox[3];
/** An array of combo boxes. */
private JComboBox[] pickAxis = new JComboBox[3];
/** Panel 10. */
private JPanel jPanel10 = new JPanel();
/** Borderlayout 4. */
private BorderLayout borderLayout4 = new BorderLayout();
/** Panel 11. */
private JPanel jPanel11 = new JPanel();
/** Decrement button for thermometer ?. */
private JButton butDown4 = new JButton();
/** Increment button for thermometer ?. */
private JButton butUp4 = new JButton();
/**
* Default constructor.
*/
public ThermometerDemo() {
try {
jbInit();
}
catch (Exception ex) {
ex.printStackTrace();
}
}
// ****************************************************************************
// * COMMERCIAL SUPPORT / JFREECHART DEVELOPER GUIDE *
// * Please note that commercial support and documentation is available from: *
// * *
// * http://www.object-refinery.ru/jfreechart/support.html *
// * *
// * This is not only a great service for developers, but is a VERY IMPORTANT *
// * source of funding for the JFreeChart project. Please support us so that *
// * we can continue developing free software. *
// ****************************************************************************
/**
* Initialises the class.
*
* @throws Exception for any exception.
*/
void jbInit() throws Exception {
//data.setRange(new Double(-20), new Double(20));
this.thermo[0] = this.thermo1;
this.thermo[1] = this.thermo2;
this.thermo[2] = this.thermo3;
this.thermo[0].setValue(0.0);
this.thermo[1].setValue(0.2);
this.thermo[2].setValue(0.3);
this.thermo[0].setBackground(Color.white);
this.thermo[2].setBackground(Color.white);
this.thermo[0].setOutlinePaint(null);
this.thermo[1].setOutlinePaint(null);
this.thermo[2].setOutlinePaint(null);
this.thermo[0].setUnits(0);
this.thermo[1].setUnits(1);
this.thermo[2].setUnits(2);
//thermo[0].setFont(new Font("SansSerif", Font.BOLD, 20));
this.thermo[0].setShowValueLines(true);
this.thermo[0].setFollowDataInSubranges(true);
this.thermo[1].setValueLocation(1);
this.thermo[1].setForeground(Color.blue);
this.thermo[2].setForeground(Color.pink);
this.thermo[0].setRange(-10.0, 40.0);
this.thermo[0].setSubrangeInfo(0, -50.0, 20.0, -10.0, 22.0);
this.thermo[0].setSubrangeInfo(1, 20.0, 24.0, 18.0, 26.0);
this.thermo[0].setSubrangeInfo(2, 24.0, 100.0, 22.0, 40.0);
this.thermo[0].addSubtitle("Sea Water Temp");
this.thermo[1].addSubtitle("Air Temp", new Font("SansSerif", Font.PLAIN, 16));
this.thermo[2].addSubtitle("Ship Temp",
new Font("SansSerif", Font.ITALIC + Font.BOLD, 20));
this.thermo[1].setValueFormat(new DecimalFormat("#0.0"));
this.thermo[2].setValueFormat(new DecimalFormat("#0.00"));
this.pickShow[0] = this.pickShow0;
this.pickShow[1] = this.pickShow1;
this.pickShow[2] = this.pickShow2;
this.pickAxis[0] = this.pickAxis0;
this.pickAxis[1] = this.pickAxis1;
this.pickAxis[2] = this.pickAxis2;
this.pickAxis[0].setSelectedIndex(2);
this.pickAxis[1].setSelectedIndex(2);
this.pickAxis[2].setSelectedIndex(2);
setLayout(this.gridLayout1);
this.butDown3.setText("<");
this.butDown3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setValue(2, -1);
}
});
this.butUp3.setText(">");
this.butUp3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setValue(2, 1);
}
});
this.jPanel1.setLayout(this.borderLayout2);
this.jPanel3.setLayout(this.borderLayout3);
this.butDown2.setText("<");
this.butDown2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setValue(1, -1);
}
});
this.butUp2.setText(">");
this.butUp2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setValue(1, 1);
}
});
this.butUp1.setText(">");
this.butUp1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setValue(0, 1);
}
});
this.butDown1.setText("<");
this.butDown1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setValue(0, -1);
}
});
this.jPanel5.setLayout(this.borderLayout1);
this.pickShow0.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setShowValue(0);
}
});
this.pickShow1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setShowValue(1);
}
});
this.pickShow2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setShowValue(2);
}
});
this.pickAxis0.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setShowAxis(0);
}
});
this.pickAxis1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setShowAxis(1);
}
});
this.pickAxis2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setShowAxis(2);
}
});
this.jPanel9.setLayout(this.gridLayout2);
this.gridLayout2.setColumns(1);
this.jPanel8.setLayout(this.gridLayout3);
this.jPanel7.setLayout(this.gridLayout4);
this.jPanel5.setBorder(BorderFactory.createEtchedBorder());
this.jPanel3.setBorder(BorderFactory.createEtchedBorder());
this.jPanel1.setBorder(BorderFactory.createEtchedBorder());
this.jPanel6.setBackground(Color.white);
this.jPanel2.setBackground(Color.white);
this.jPanel9.setBackground(Color.white);
this.jPanel10.setLayout(this.borderLayout4);
this.butDown4.setText("<");
this.butDown4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setMeterValue(-1.1);
}
});
this.butUp4.setText(">");
this.butUp4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(final ActionEvent e) {
setMeterValue(1.1);
}
});
this.jPanel1.add(this.thermo3, BorderLayout.CENTER);
this.jPanel1.add(this.jPanel2, BorderLayout.SOUTH);
this.jPanel2.add(this.butDown3, null);
this.jPanel2.add(this.butUp3, null);
this.jPanel1.add(this.jPanel9, BorderLayout.NORTH);
this.jPanel9.add(this.pickShow2, null);
this.jPanel9.add(this.pickAxis2, null);
add(this.jPanel10, null);
this.jPanel10.add(this.jPanel11, BorderLayout.SOUTH);
this.jPanel11.add(this.butDown4, null);
this.jPanel11.add(this.butUp4, null);
this.jPanel4.add(this.butDown2, null);
this.jPanel4.add(this.butUp2, null);
this.jPanel3.add(this.jPanel8, BorderLayout.NORTH);
this.jPanel8.add(this.pickShow1, null);
this.jPanel8.add(this.pickAxis1, null);
this.jPanel3.add(this.thermo2, BorderLayout.CENTER);
this.jPanel3.add(this.jPanel4, BorderLayout.SOUTH);
add(this.jPanel5, null);
this.jPanel5.add(this.thermo1, BorderLayout.CENTER);
this.jPanel5.add(this.jPanel6, BorderLayout.SOUTH);
this.jPanel6.add(this.butDown1, null);
this.jPanel6.add(this.butUp1, null);
this.jPanel5.add(this.jPanel7, BorderLayout.NORTH);
this.jPanel7.add(this.pickShow0, null);
this.jPanel7.add(this.pickAxis0, null);
add(this.jPanel3, null);
add(this.jPanel1, null);
this.jPanel10.add(this.panelMeter, BorderLayout.CENTER);
}
/**
* Starting point for the demo application.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final ThermometerDemo panel = new ThermometerDemo();
final JFrame frame = new JFrame();
frame.getContentPane().setLayout(new BorderLayout(5, 5));
frame.setDefaultCloseOperation(3);
frame.setTitle("Thermometer Test");
frame.getContentPane().add(panel, BorderLayout.CENTER);
frame.setSize(700, 400);
final Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
frame.setLocation((d.width - frame.getSize().width) / 2,
(d.height - frame.getSize().height) / 2);
frame.setVisible(true);
}
/**
* Sets the value of one of the thermometers.
*
* @param thermometer the thermometer index.
* @param value the value.
*/
private void setValue(final int thermometer, final double value) {
if ((thermometer >= 0) && (thermometer < 3)) {
try {
this.thermo[thermometer].setValue(
this.thermo[thermometer].getValue().doubleValue() + value
);
}
catch (Exception ex) {
ex.printStackTrace();
}
}
}
/**
* Sets the meter value.
*
* @param value the value.
*/
private void setMeterValue(final double value) {
try {
double newValue = value;
if (this.data.getValue() != null) {
newValue += this.data.getValue().doubleValue();
}
this.data.setValue(new Double(newValue));
}
catch (Exception ex) {
System.err.println(ex.getMessage());
}
}
/**
* Sets the value label position for one of the thermometers.
*
* @param thermometer the thermometer index.
*/
private void setShowValue(final int thermometer) {
if ((thermometer >= 0) && (thermometer < 3)) {
this.thermo[thermometer].setValueLocation(this.pickShow[thermometer].
getSelectedIndex());
}
}
/**
* Sets the axis position for one of the thermometers.
*
* @param thermometer the thermometer index.
*/
private void setShowAxis(final int thermometer) {
if ((thermometer >= 0) && (thermometer < 3)) {
this.thermo[thermometer].setShowAxisLocation(this.pickAxis[thermometer].
getSelectedIndex());
}
}
}

</source>



== JFreeChart: Thermometer Demo 2 ==



<source lang="java">

/* ===========================================================
* 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.]
*
* ---------------------
* ThermometerDemo2.java
* ---------------------
* (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: ThermometerDemo2.java,v 1.8 2004/04/26 19:12:03 taqua Exp $
*
* Changes
* -------
* 17-Sep-2002 : Version 1 (DG);
* 11-Oct-2002 : Fixed errors reported by Checkstyle (DG);
*
*/
package org.jfree.chart.demo;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Insets;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.ThermometerPlot;
import org.jfree.data.general.DefaultValueDataset;
import org.jfree.ui.ApplicationFrame;
/**
* A simple demonstration application showing how to create a thermometer.
*
*/
public class ThermometerDemo2 extends ApplicationFrame {
/**
* Creates a new demo.
*
* @param title the frame title.
*/
public ThermometerDemo2(final String title) {
super(title);
// create a dataset...
final DefaultValueDataset dataset = new DefaultValueDataset(new Double(43.0));
// create the chart...
final ThermometerPlot plot = new ThermometerPlot(dataset);
final JFreeChart chart = new JFreeChart("Thermometer Demo 2", // chart title
JFreeChart.DEFAULT_TITLE_FONT,
plot, // plot
false); // include legend

// NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
// plot.setInsets(new Insets(5, 5, 5, 5));
//plot.setRangeInfo(ThermometerPlot.NORMAL, 0.0, 55.0, 0.0, 100.0);
//plot.setRangeInfo(ThermometerPlot.WARNING, 55.0, 75.0, 0.0, 100.0);
//plot.setRangeInfo(ThermometerPlot.CRITICAL, 75.0, 100.0, 0.0, 100.0);
plot.setThermometerStroke(new BasicStroke(2.0f));
plot.setThermometerPaint(Color.lightGray);
// OPTIONAL CUSTOMISATION COMPLETED.
// add the chart to a panel...
final ChartPanel chartPanel = new ChartPanel(chart);
setContentPane(chartPanel);
}
// ****************************************************************************
// * JFREECHART DEVELOPER GUIDE *
// * The JFreeChart Developer Guide, written by David Gilbert, is available *
// * to purchase from Object Refinery Limited: *
// * *
// * http://www.object-refinery.ru/jfreechart/guide.html *
// * *
// * Sales are used to provide funding for the JFreeChart project - please *
// * support us so that we can continue developing free software. *
// ****************************************************************************

/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final ThermometerDemo2 demo = new ThermometerDemo2("Thermometer Demo 2");
demo.pack();
demo.setVisible(true);
}
}

</source>

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в 18:01, 31 мая 2010