/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2012, 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.]
*
* ----------------------------
* DefaultNumberAxisEditor.java
* ----------------------------
* (C) Copyright 2005-2009, Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): Arnaud Lelievre;
*
* Changes:
* --------
* 24-Nov-2005 : Version 1, based on NumberAxisPropertyEditor (DG);
* 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by
* Jess Thrysoee (DG);
* 27-Feb-2009 : Fixed bug 2612649, NullPointerException (DG);
* 03-Nov-2011 : Refactoring to use new DefaultValueAxisEditor (MH);
*/
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.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import org.jfree.chart.axis.Axis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.NumberTickUnit;
import org.jfree.chart.ui.LCBLayout;
/**
* A panel for editing the properties of a value axis.
*/
class DefaultNumberAxisEditor extends DefaultValueAxisEditor
implements FocusListener {
private double manualTickUnitValue;
private JTextField manualTickUnit;
/**
* Standard constructor: builds a property panel for the specified axis.
*
* @param axis the axis, which should be changed.
*/
public DefaultNumberAxisEditor(NumberAxis axis) {
super(axis);
this.manualTickUnitValue = axis.getTickUnit().getSize();
validateTickUnit();
}
@Override
protected JPanel createTickUnitPanel() {
JPanel tickUnitPanel = new JPanel(new LCBLayout(3));
tickUnitPanel.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
tickUnitPanel.add(new JPanel());
JCheckBox autoTickUnitSelectionCheckBox = new JCheckBox(
localizationResources.getString("Auto-TickUnit_Selection"),
isAutoTickUnitSelection());
autoTickUnitSelectionCheckBox.setActionCommand("AutoTickOnOff");
autoTickUnitSelectionCheckBox.addActionListener(this);
setAutoTickUnitSelectionCheckBox(autoTickUnitSelectionCheckBox);
tickUnitPanel.add(getAutoTickUnitSelectionCheckBox());
tickUnitPanel.add(new JPanel());
tickUnitPanel.add(new JLabel(localizationResources.getString(
"Manual_TickUnit_value")));
this.manualTickUnit = new JTextField(Double.toString(
this.manualTickUnitValue));
this.manualTickUnit.setEnabled(!isAutoTickUnitSelection());
this.manualTickUnit.setActionCommand("TickUnitValue");
this.manualTickUnit.addActionListener(this);
this.manualTickUnit.addFocusListener(this);
tickUnitPanel.add(this.manualTickUnit);
tickUnitPanel.add(new JPanel());
return tickUnitPanel;
}
/**
* Handles actions from within the property panel.
* @param event an event.
*/
@Override
public void actionPerformed(ActionEvent event) {
String command = event.getActionCommand();
if (command.equals("TickUnitValue")) {
validateTickUnit();
}
else {
// pass to the super-class for handling
super.actionPerformed(event);
}
}
@Override
public void focusLost(FocusEvent event) {
super.focusLost(event);
if (event.getSource() == this.manualTickUnit) {
validateTickUnit();
}
}
@Override
public void toggleAutoTick() {
super.toggleAutoTick();
if (isAutoTickUnitSelection()) {
this.manualTickUnit.setText(Double.toString(this.manualTickUnitValue));
this.manualTickUnit.setEnabled(false);
}
else {
this.manualTickUnit.setEnabled(true);
}
}
public void validateTickUnit() {
double newTickUnit;
try {
newTickUnit = Double.parseDouble(this.manualTickUnit.getText());
}
catch (NumberFormatException e) {
newTickUnit = this.manualTickUnitValue;
}
if (newTickUnit > 0.0) {
this.manualTickUnitValue = newTickUnit;
}
this.manualTickUnit.setText(Double.toString(this.manualTickUnitValue));
}
/**
* Sets the properties of the specified axis to match the properties
* defined on this panel.
*
* @param axis the axis.
*/
@Override
public void setAxisProperties(Axis axis) {
super.setAxisProperties(axis);
NumberAxis numberAxis = (NumberAxis) axis;
if (!isAutoTickUnitSelection()) {
numberAxis.setTickUnit(new NumberTickUnit(manualTickUnitValue));
}
}
}