/* | |
Launch4j (http://launch4j.sourceforge.net/) | |
Cross-platform Java application wrapper for creating Windows native executables. | |
Copyright (c) 2004, 2007 Grzegorz Kowal | |
All rights reserved. | |
Redistribution and use in source and binary forms, with or without modification, | |
are permitted provided that the following conditions are met: | |
* Redistributions of source code must retain the above copyright notice, | |
this list of conditions and the following disclaimer. | |
* Redistributions in binary form must reproduce the above copyright notice, | |
this list of conditions and the following disclaimer in the documentation | |
and/or other materials provided with the distribution. | |
* Neither the name of the Launch4j nor the names of its contributors | |
may be used to endorse or promote products derived from this software without | |
specific prior written permission. | |
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
/* | |
* Created on Apr 30, 2005 | |
*/ | |
package net.sf.launch4j.binding; | |
import java.beans.PropertyChangeEvent; | |
import java.beans.PropertyChangeListener; | |
import java.util.HashMap; | |
import java.util.Iterator; | |
import java.util.Map; | |
import javax.swing.JComboBox; | |
import javax.swing.JComponent; | |
import javax.swing.JList; | |
import javax.swing.JRadioButton; | |
import javax.swing.JTextArea; | |
import javax.swing.JToggleButton; | |
import javax.swing.text.JTextComponent; | |
import org.apache.commons.beanutils.PropertyUtils; | |
/** | |
* Creates and handles bindings. | |
* | |
* @author Copyright (C) 2005 Grzegorz Kowal | |
*/ | |
public class Bindings implements PropertyChangeListener { | |
private final Map _bindings = new HashMap(); | |
private final Map _optComponents = new HashMap(); | |
private boolean _modified = false; | |
/** | |
* Used to track component modifications. | |
*/ | |
public void propertyChange(PropertyChangeEvent evt) { | |
String prop = evt.getPropertyName(); | |
if ("AccessibleValue".equals(prop) | |
|| "AccessibleText".equals(prop) | |
|| "AccessibleVisibleData".equals(prop)) { | |
_modified = true; | |
} | |
} | |
/** | |
* Any of the components modified? | |
*/ | |
public boolean isModified() { | |
return _modified; | |
} | |
public Binding getBinding(String property) { | |
return (Binding) _bindings.get(property); | |
} | |
private void registerPropertyChangeListener(JComponent c) { | |
c.getAccessibleContext().addPropertyChangeListener(this); | |
} | |
private void registerPropertyChangeListener(JComponent[] cs) { | |
for (int i = 0; i < cs.length; i++) { | |
cs[i].getAccessibleContext().addPropertyChangeListener(this); | |
} | |
} | |
private boolean isPropertyNull(IValidatable bean, Binding b) { | |
try { | |
for (Iterator iter = _optComponents.keySet().iterator(); iter.hasNext();) { | |
String property = (String) iter.next(); | |
if (b.getProperty().startsWith(property)) { | |
return PropertyUtils.getProperty(bean, property) == null; | |
} | |
} | |
return false; | |
} catch (Exception e) { | |
throw new BindingException(e); | |
} | |
} | |
/** | |
* Enables or disables all components bound to properties that begin with given prefix. | |
*/ | |
public void setComponentsEnabled(String prefix, boolean enabled) { | |
for (Iterator iter = _bindings.values().iterator(); iter.hasNext();) { | |
Binding b = (Binding) iter.next(); | |
if (b.getProperty().startsWith(prefix)) { | |
b.setEnabled(enabled); | |
} | |
} | |
} | |
/** | |
* Clear all components, set them to their default values. | |
* Clears the _modified flag. | |
*/ | |
public void clear(IValidatable bean) { | |
for (Iterator iter = _optComponents.values().iterator(); iter.hasNext();) { | |
((Binding) iter.next()).clear(bean); | |
} | |
for (Iterator iter = _bindings.values().iterator(); iter.hasNext();) { | |
((Binding) iter.next()).clear(bean); | |
} | |
_modified = false; | |
} | |
/** | |
* Copies data from the Java Bean to the UI components. | |
* Clears the _modified flag. | |
*/ | |
public void put(IValidatable bean) { | |
for (Iterator iter = _optComponents.values().iterator(); iter.hasNext();) { | |
((Binding) iter.next()).put(bean); | |
} | |
for (Iterator iter = _bindings.values().iterator(); iter.hasNext();) { | |
Binding b = (Binding) iter.next(); | |
if (isPropertyNull(bean, b)) { | |
b.clear(null); | |
} else { | |
b.put(bean); | |
} | |
} | |
_modified = false; | |
} | |
/** | |
* Copies data from UI components to the Java Bean and checks it's class invariants. | |
* Clears the _modified flag. | |
* @throws InvariantViolationException | |
* @throws BindingException | |
*/ | |
public void get(IValidatable bean) { | |
try { | |
for (Iterator iter = _optComponents.values().iterator(); iter.hasNext();) { | |
((Binding) iter.next()).get(bean); | |
} | |
for (Iterator iter = _bindings.values().iterator(); iter.hasNext();) { | |
Binding b = (Binding) iter.next(); | |
if (!isPropertyNull(bean, b)) { | |
b.get(bean); | |
} | |
} | |
bean.checkInvariants(); | |
for (Iterator iter = _optComponents.keySet().iterator(); iter.hasNext();) { | |
String property = (String) iter.next(); | |
IValidatable component = (IValidatable) PropertyUtils.getProperty(bean, | |
property); | |
if (component != null) { | |
component.checkInvariants(); | |
} | |
} | |
_modified = false; // XXX | |
} catch (InvariantViolationException e) { | |
e.setBinding(getBinding(e.getProperty())); | |
throw e; | |
} catch (Exception e) { | |
throw new BindingException(e); | |
} | |
} | |
private Bindings add(Binding b) { | |
if (_bindings.containsKey(b.getProperty())) { | |
throw new BindingException(Messages.getString("Bindings.duplicate.binding")); | |
} | |
_bindings.put(b.getProperty(), b); | |
return this; | |
} | |
/** | |
* Add an optional (nullable) Java Bean component of type clazz. | |
*/ | |
public Bindings addOptComponent(String property, Class clazz, JToggleButton c, | |
boolean enabledByDefault) { | |
Binding b = new OptComponentBinding(this, property, clazz, c, enabledByDefault); | |
if (_optComponents.containsKey(property)) { | |
throw new BindingException(Messages.getString("Bindings.duplicate.binding")); | |
} | |
_optComponents.put(property, b); | |
return this; | |
} | |
/** | |
* Add an optional (nullable) Java Bean component of type clazz. | |
*/ | |
public Bindings addOptComponent(String property, Class clazz, JToggleButton c) { | |
return addOptComponent(property, clazz, c, false); | |
} | |
/** | |
* Handles JEditorPane, JTextArea, JTextField | |
*/ | |
public Bindings add(String property, JTextComponent c, String defaultValue) { | |
registerPropertyChangeListener(c); | |
return add(new JTextComponentBinding(property, c, defaultValue)); | |
} | |
/** | |
* Handles JEditorPane, JTextArea, JTextField | |
*/ | |
public Bindings add(String property, JTextComponent c) { | |
registerPropertyChangeListener(c); | |
return add(new JTextComponentBinding(property, c, "")); | |
} | |
/** | |
* Handles JToggleButton, JCheckBox | |
*/ | |
public Bindings add(String property, JToggleButton c, boolean defaultValue) { | |
registerPropertyChangeListener(c); | |
return add(new JToggleButtonBinding(property, c, defaultValue)); | |
} | |
/** | |
* Handles JToggleButton, JCheckBox | |
*/ | |
public Bindings add(String property, JToggleButton c) { | |
registerPropertyChangeListener(c); | |
return add(new JToggleButtonBinding(property, c, false)); | |
} | |
/** | |
* Handles JRadioButton | |
*/ | |
public Bindings add(String property, JRadioButton[] cs, int defaultValue) { | |
registerPropertyChangeListener(cs); | |
return add(new JRadioButtonBinding(property, cs, defaultValue)); | |
} | |
/** | |
* Handles JRadioButton | |
*/ | |
public Bindings add(String property, JRadioButton[] cs) { | |
registerPropertyChangeListener(cs); | |
return add(new JRadioButtonBinding(property, cs, 0)); | |
} | |
/** | |
* Handles JTextArea | |
*/ | |
public Bindings add(String property, JTextArea textArea, String defaultValue) { | |
registerPropertyChangeListener(textArea); | |
return add(new JTextComponentBinding(property, textArea, defaultValue)); | |
} | |
/** | |
* Handles JTextArea lists | |
*/ | |
public Bindings add(String property, JTextArea textArea) { | |
registerPropertyChangeListener(textArea); | |
return add(new JTextAreaBinding(property, textArea)); | |
} | |
/** | |
* Handles Optional JTextArea lists | |
*/ | |
public Bindings add(String property, String stateProperty, | |
JToggleButton button, JTextArea textArea) { | |
registerPropertyChangeListener(button); | |
registerPropertyChangeListener(textArea); | |
return add(new OptJTextAreaBinding(property, stateProperty, button, textArea)); | |
} | |
/** | |
* Handles JList | |
*/ | |
public Bindings add(String property, JList list) { | |
registerPropertyChangeListener(list); | |
return add(new JListBinding(property, list)); | |
} | |
/** | |
* Handles JComboBox | |
*/ | |
public Bindings add(String property, JComboBox combo, int defaultValue) { | |
registerPropertyChangeListener(combo); | |
return add(new JComboBoxBinding(property, combo, defaultValue)); | |
} | |
/** | |
* Handles JComboBox | |
*/ | |
public Bindings add(String property, JComboBox combo) { | |
registerPropertyChangeListener(combo); | |
return add(new JComboBoxBinding(property, combo, 0)); | |
} | |
} |