org.jfree.chart.editor.DefaultPolarPlotEditor Maven / Gradle / Ivy
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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-present, by David Gilbert 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.]
*
* ----------------------
* DefaultPolarPlotEditor.java
* ----------------------
* (C) Copyright 2005-present, by David Gilbert and Contributors.
*
* Original Author: Martin Hoeller;
* Contributor(s): -;
*
*/
package org.jfree.chart.editor;
import java.awt.event.ActionEvent;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import org.jfree.chart.axis.NumberTickUnit;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.plot.PolarPlot;
import org.jfree.chart.ui.LCBLayout;
/**
* A panel for editing the properties of a {@link PolarPlot}.
*/
public class DefaultPolarPlotEditor extends DefaultPlotEditor
implements FocusListener {
/** A text field to enter a manual TickUnit. */
private JTextField manualTickUnit;
/** A text field to enter the angleOffset. */
private JTextField angleOffset;
/** The size for the manual TickUnit. */
private double manualTickUnitValue;
/** The value for the plot's angle offset. */
private double angleOffsetValue;
/**
* Standard constructor - constructs a panel for editing the properties of
* the specified plot.
*
* @param plot the plot, which should be changed.
*/
public DefaultPolarPlotEditor(PolarPlot plot) {
super(plot);
this.angleOffsetValue = plot.getAngleOffset();
this.angleOffset.setText(Double.toString(this.angleOffsetValue));
this.manualTickUnitValue = plot.getAngleTickUnit().getSize();
this.manualTickUnit.setText(Double.toString(this.manualTickUnitValue));
}
/**
* Creates a tabbed pane for editing the plot attributes.
*
* @param plot the plot.
*
* @return A tabbed pane.
*/
@Override
protected JTabbedPane createPlotTabs(Plot plot) {
JTabbedPane tabs = super.createPlotTabs(plot);
// TODO find a better localization key
tabs.insertTab(localizationResources.getString("General1"), null,
createPlotPanel(), null, 0);
tabs.setSelectedIndex(0);
return tabs;
}
private JPanel createPlotPanel() {
JPanel plotPanel = new JPanel(new LCBLayout(3));
plotPanel.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
plotPanel.add(new JLabel(localizationResources.getString(
"AngleOffset")));
this.angleOffset = new JTextField(Double.toString(
this.angleOffsetValue));
this.angleOffset.setActionCommand("AngleOffsetValue");
this.angleOffset.addActionListener(this);
this.angleOffset.addFocusListener(this);
plotPanel.add(this.angleOffset);
plotPanel.add(new JPanel());
plotPanel.add(new JLabel(localizationResources.getString(
"Manual_TickUnit_value")));
this.manualTickUnit = new JTextField(Double.toString(
this.manualTickUnitValue));
this.manualTickUnit.setActionCommand("TickUnitValue");
this.manualTickUnit.addActionListener(this);
this.manualTickUnit.addFocusListener(this);
plotPanel.add(this.manualTickUnit);
plotPanel.add(new JPanel());
return plotPanel;
}
/**
* Does nothing.
*
* @param event the event.
*/
@Override
public void focusGained(FocusEvent event) {
// don't need to do anything
}
/**
* Revalidates minimum/maximum range.
*
* @param event the event.
*/
@Override
public void focusLost(FocusEvent event) {
if (event.getSource() == this.angleOffset) {
validateAngleOffset();
}
else if (event.getSource() == this.manualTickUnit) {
validateTickUnit();
}
}
/**
* Handles actions from within the property panel.
* @param event an event.
*/
@Override
public void actionPerformed(ActionEvent event) {
String command = event.getActionCommand();
if (command.equals("AngleOffsetValue")) {
validateAngleOffset();
}
else if (command.equals("TickUnitValue")) {
validateTickUnit();
}
}
/**
* Validates the angle offset entered by the user.
*/
public void validateAngleOffset() {
double newOffset;
try {
newOffset = Double.parseDouble(this.angleOffset.getText());
}
catch (NumberFormatException e) {
newOffset = this.angleOffsetValue;
}
this.angleOffsetValue = newOffset;
this.angleOffset.setText(Double.toString(this.angleOffsetValue));
}
/**
* Validates the tick unit entered by the user.
*/
public void validateTickUnit() {
double newTickUnit;
try {
newTickUnit = Double.parseDouble(this.manualTickUnit.getText());
}
catch (NumberFormatException e) {
newTickUnit = this.manualTickUnitValue;
}
if (newTickUnit > 0.0 && newTickUnit < 360.0) {
this.manualTickUnitValue = newTickUnit;
}
this.manualTickUnit.setText(Double.toString(this.manualTickUnitValue));
}
@Override
public void updatePlotProperties(Plot plot) {
super.updatePlotProperties(plot);
PolarPlot pp = (PolarPlot) plot;
pp.setAngleTickUnit(new NumberTickUnit(this.manualTickUnitValue));
pp.setAngleOffset(this.angleOffsetValue);
}
}