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Groovy example source code file (JListProperties.groovy)
This example Groovy source code file (JListProperties.groovy) is included in the DevDaily.com
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The Groovy JListProperties.groovy source code
/*
* Copyright 2007-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package groovy.swing.binding;
import org.codehaus.groovy.binding.*;
import javax.swing.*;
import javax.swing.event.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.HashMap;
import java.util.Map;
/**
* @author Andres Almiray
* @since Groovy 1.7.5
*/
public class JListProperties {
public static Map<String, TriggerBinding> getSyntheticProperties() {
Map<String, TriggerBinding> result = new HashMap();
// to match property name
result.put(JList.class.getName() + "#selectedValue", new TriggerBinding() {
public FullBinding createBinding(SourceBinding source, TargetBinding target) {
return new JListSelectedElementBinding((PropertyBinding) source, target, "selectedValue");
}
});
// to match JSR-295
result.put(JList.class.getName() + "#selectedElement", new TriggerBinding() {
public FullBinding createBinding(SourceBinding source, TargetBinding target) {
return new JListSelectedElementBinding((PropertyBinding) source, target, "selectedElement");
}
});
// to match property name
result.put(JList.class.getName() + "#selectedValues", new TriggerBinding() {
public FullBinding createBinding(SourceBinding source, TargetBinding target) {
return new JListSelectedElementBinding((PropertyBinding) source, target, "selectedValues");
}
});
// to match JSR-295
result.put(JList.class.getName() + "#selectedElements", new TriggerBinding() {
public FullBinding createBinding(SourceBinding source, TargetBinding target) {
return new JListSelectedElementBinding((PropertyBinding) source, target, "selectedElements");
}
});
result.put(JList.class.getName() + "#selectedIndex", new TriggerBinding() {
public FullBinding createBinding(SourceBinding source, TargetBinding target) {
return new JListSelectedElementBinding((PropertyBinding) source, target, "selectedIndex");
}
});
result.put(JList.class.getName() + "#selectedIndices", new TriggerBinding() {
public FullBinding createBinding(SourceBinding source, TargetBinding target) {
return new JListSelectedElementBinding((PropertyBinding) source, target, "selectedIndices");
}
});
// to match JSR-295
result.put(JList.class.getName() + "#elements", new TriggerBinding() {
public FullBinding createBinding(SourceBinding source, TargetBinding target) {
return new JListElementsBinding((PropertyBinding) source, target);
}
});
return result;
}
}
class JListElementsBinding extends AbstractSyntheticBinding implements ListDataListener, PropertyChangeListener {
JList boundList;
public JListElementsBinding(PropertyBinding propertyBinding, TargetBinding target) {
super(propertyBinding, target, JList.class, "elements");
}
protected void syntheticBind() {
boundList = (JList) ((PropertyBinding)sourceBinding).getBean();
boundList.addPropertyChangeListener("model", this);
boundList.getModel().addListDataListener(this);
}
protected void syntheticUnbind() {
boundList.removePropertyChangeListener("model", this);
boundList.getModel().removeListDataListener(this);
}
public void propertyChange(PropertyChangeEvent event) {
update();
((ListModel) event.getOldValue()).removeListDataListener(this);
((ListModel) event.getNewValue()).addListDataListener(this);
}
public void intervalAdded(ListDataEvent e) {
update();
}
public void intervalRemoved(ListDataEvent e) {
update();
}
public void contentsChanged(ListDataEvent e) {
update();
}
}
class JListSelectedElementBinding extends AbstractSyntheticBinding implements PropertyChangeListener, ListSelectionListener {
JList boundList;
protected JListSelectedElementBinding(PropertyBinding source, TargetBinding target, String propertyName) {
super(source, target, JList.class, propertyName);
}
public synchronized void syntheticBind() {
boundList = (JList) ((PropertyBinding)sourceBinding).getBean();
boundList.addPropertyChangeListener("selectionModel", this);
boundList.addListSelectionListener(this);
}
public synchronized void syntheticUnbind() {
boundList.removePropertyChangeListener("selectionModel", this);
boundList.removeListSelectionListener(this);
boundList = null;
}
public void setTargetBinding(TargetBinding target) {
super.setTargetBinding(target);
}
public void propertyChange(PropertyChangeEvent event) {
update();
}
public void valueChanged(ListSelectionEvent e) {
update();
}
}
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