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// Copyright 2003, FreeHEP.
package org.freehep.graphicsio.exportchooser;
import java.awt.Component;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Properties;
import javax.swing.JCheckBox;
/**
*
* @author Mark Donszelmann
* @version $Id: freehep-graphicsio/src/main/java/org/freehep/graphicsio/exportchooser/OptionCheckBox.java 5641ca92a537 2005/11/26 00:15:35 duns $
*/
public class OptionCheckBox extends JCheckBox implements Options {
protected boolean initialState;
protected String key;
public OptionCheckBox(Properties options, String key, String text) {
super(text, new Boolean(options.getProperty(key, "false"))
.booleanValue());
this.key = key;
initialState = isSelected();
}
public boolean applyChangedOptions(Properties options) {
if (isSelected() != initialState) {
options.setProperty(key, Boolean.toString(isSelected()));
return true;
}
return false;
}
/**
* Enables (otherwise disables) the supplied component if this checkbox is
* checked. Can be called for multiple components.
*/
public void enables(final Component c) {
if (c.isEnabled()) {
c.setEnabled(isSelected());
// selecting
addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
c.setEnabled(isSelected());
}
});
// disabling
addPropertyChangeListener("enabled", new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
if (e.getNewValue().equals(Boolean.TRUE)) {
c.setEnabled(isSelected());
} else {
c.setEnabled(false);
}
}
});
}
}
/**
* Disabled (otherwise enables) the supplied component if this checkbox is
* checked. Can be called for multiple components.
*/
public void disables(final Component c) {
if (c.isEnabled()) {
c.setEnabled(!isSelected());
// selecting
addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
c.setEnabled(!isSelected());
}
});
// disabling
addPropertyChangeListener("enabled", new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
if (e.getNewValue().equals(Boolean.TRUE)) {
c.setEnabled(!isSelected());
} else {
c.setEnabled(false);
}
}
});
}
}
/**
* Shows (otherwise hides) the supplied component if this checkbox is
* checked. Can be called for multiple components.
*/
public void shows(final Component c) {
c.setVisible(isSelected());
addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
c.setVisible(isSelected());
}
});
}
/**
* Hides (otherwise shows) the supplied component if this checkbox is
* checked. Can be called for multiple components.
*/
public void hides(final Component c) {
c.setVisible(!isSelected());
addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
c.setVisible(!isSelected());
}
});
}
}
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