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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D API, it supports a wide range of chart types including
bar charts, pie charts, line charts, XY-plots, time series plots, Sankey charts
and more.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2013, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* -----------------
* JThermometer.java
* -----------------
* A plot that displays a single value in a thermometer type display.
*
* (C) Copyright 2000-2008, Australian Antarctic Division and Contributors.
*
* Original Author: Bryan Scott.
* Contributor(s): David Gilbert (for Object Refinery Limited);
* Irv Thomae;
*
* Changes (from 17-Sep-2002)
* --------------------------
* 17-Sep-2002 : Reviewed with Checkstyle utility (DG);
* 18-Sep-2003 : Integrated new methods contributed by Irv Thomae (DG);
* 08-Jan-2004 : Renamed AbstractTitle --> Title and moved to new package (DG);
* 31-May-2005 : Fixed typo in method name (DG);
*
*/
package org.jfree.chart.plot;
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.Paint;
import java.io.Serializable;
import java.text.DecimalFormat;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.title.TextTitle;
import org.jfree.chart.title.Title;
import org.jfree.data.general.DefaultValueDataset;
import org.jfree.ui.RectangleInsets;
/**
* An initial quick and dirty. The concept behind this class would be to
* generate a gui bean that could be used within JBuilder, Netbeans etc...
*/
public class JThermometer extends JPanel implements Serializable {
/** For serialization. */
private static final long serialVersionUID = 1079905665515589820L;
/** The dataset. */
private DefaultValueDataset data;
/** The chart. */
private JFreeChart chart;
/** The chart panel. */
private ChartPanel panel;
/** The thermometer plot. */
private ThermometerPlot plot = new ThermometerPlot();
/**
* Default constructor.
*/
public JThermometer() {
super(new CardLayout());
this.plot.setInsets(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
this.data = new DefaultValueDataset();
this.plot.setDataset(this.data);
this.chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT,
this.plot, false);
this.panel = new ChartPanel(this.chart);
add(this.panel, "Panel");
setBackground(getBackground());
}
/**
* Adds a subtitle to the chart.
*
* @param subtitle the subtitle.
*/
public void addSubtitle(Title subtitle) {
this.chart.addSubtitle(subtitle);
}
/**
* Adds a subtitle to the chart.
*
* @param subtitle the subtitle.
*/
public void addSubtitle(String subtitle) {
this.chart.addSubtitle(new TextTitle(subtitle));
}
/**
* Adds a subtitle to the chart.
*
* @param subtitle the subtitle.
* @param font the subtitle font.
*/
public void addSubtitle(String subtitle, Font font) {
this.chart.addSubtitle(new TextTitle(subtitle, font));
}
/**
* Sets the value format for the thermometer.
*
* @param df the formatter.
*/
public void setValueFormat(DecimalFormat df) {
this.plot.setValueFormat(df);
}
/**
* Sets the lower and upper bounds for the thermometer.
*
* @param lower the lower bound.
* @param upper the upper bound.
*/
public void setRange(double lower, double upper) {
this.plot.setRange(lower, upper);
}
/**
* Sets the range.
*
* @param range the range type.
* @param displayLow the low value.
* @param displayHigh the high value.
*/
public void setSubrangeInfo(int range, double displayLow,
double displayHigh) {
this.plot.setSubrangeInfo(range, displayLow, displayHigh);
}
/**
* Sets the range.
*
* @param range the range type.
* @param rangeLow the low value for the range.
* @param rangeHigh the high value for the range.
* @param displayLow the low value for display.
* @param displayHigh the high value for display.
*/
public void setSubrangeInfo(int range,
double rangeLow, double rangeHigh,
double displayLow, double displayHigh) {
this.plot.setSubrangeInfo(range, rangeLow, rangeHigh, displayLow,
displayHigh);
}
/**
* Sets the location at which the temperature value is displayed.
*
* @param loc the location.
*/
public void setValueLocation(int loc) {
this.plot.setValueLocation(loc);
this.panel.repaint();
}
/**
* Sets the value paint.
*
* @param paint the paint.
*/
public void setValuePaint(Paint paint) {
this.plot.setValuePaint(paint);
}
/**
* Returns the value of the thermometer.
*
* @return The value.
*/
public Number getValue() {
if (this.data != null) {
return this.data.getValue();
}
else {
return null;
}
}
/**
* Sets the value of the thermometer.
*
* @param value the value.
*/
public void setValue(double value) {
setValue(new Double(value));
}
/**
* Sets the value of the thermometer.
*
* @param value the value.
*/
public void setValue(Number value) {
if (this.data != null) {
this.data.setValue(value);
}
}
/**
* Sets the unit type.
*
* @param i the unit type.
*/
public void setUnits(int i) {
if (this.plot != null) {
this.plot.setUnits(i);
}
}
/**
* Sets the outline paint.
*
* @param p the paint.
*/
public void setOutlinePaint(Paint p) {
if (this.plot != null) {
this.plot.setOutlinePaint(p);
}
}
/**
* Sets the foreground color.
*
* @param fg the foreground color.
*/
@Override
public void setForeground(Color fg) {
super.setForeground(fg);
if (this.plot != null) {
this.plot.setThermometerPaint(fg);
}
}
/**
* Sets the background color.
*
* @param bg the background color.
*/
@Override
public void setBackground(Color bg) {
super.setBackground(bg);
if (this.plot != null) {
this.plot.setBackgroundPaint(bg);
}
if (this.chart != null) {
this.chart.setBackgroundPaint(bg);
}
if (this.panel != null) {
this.panel.setBackground(bg);
}
}
/**
* Sets the value font.
*
* @param f the font.
*/
public void setValueFont(Font f) {
if (this.plot != null) {
this.plot.setValueFont(f);
}
}
/**
* Returns the tick label font.
*
* @return The tick label font.
*/
public Font getTickLabelFont() {
ValueAxis axis = this.plot.getRangeAxis();
return axis.getTickLabelFont();
}
/**
* Sets the tick label font.
*
* @param font the font.
*/
public void setTickLabelFont(Font font) {
ValueAxis axis = this.plot.getRangeAxis();
axis.setTickLabelFont(font);
}
/**
* Increases or decreases the tick font size.
*
* @param delta the change in size.
*/
public void changeTickFontSize(int delta) {
Font f = getTickLabelFont();
String fName = f.getFontName();
Font newFont = new Font(fName, f.getStyle(), (f.getSize() + delta));
setTickLabelFont(newFont);
}
/**
* Sets the tick font style.
*
* @param style the style.
*/
public void setTickFontStyle(int style) {
Font f = getTickLabelFont();
String fName = f.getFontName();
Font newFont = new Font(fName, style, f.getSize());
setTickLabelFont(newFont);
}
/**
* Sets the flag that controls whether or not the display range follows the
* data value.
*
* @param flag the new value of the flag.
*/
public void setFollowDataInSubranges(boolean flag) {
this.plot.setFollowDataInSubranges(flag);
}
/**
* Sets the flag that controls whether or not value lines are displayed.
*
* @param b the new flag value.
*/
public void setShowValueLines(boolean b) {
this.plot.setShowValueLines(b);
}
/**
* Sets the location for the axis.
*
* @param location the location.
*/
public void setShowAxisLocation(int location) {
this.plot.setAxisLocation(location);
}
/**
* Returns the location for the axis.
*
* @return The location.
*/
public int getShowAxisLocation() {
return this.plot.getAxisLocation();
}
}
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