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/*******************************************************************************
* Copyright (c) 2007 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.utility.internal.model.value;
import java.util.Arrays;
import org.eclipse.jpt.utility.internal.model.Model;
import org.eclipse.jpt.utility.internal.model.event.PropertyChangeEvent;
import org.eclipse.jpt.utility.internal.model.listener.PropertyChangeListener;
/**
* Extend ItemAspectListValueModelAdapter to listen to one or more
* properties of each item in the wrapped list model.
*/
public class ItemPropertyListValueModelAdapter
extends ItemAspectListValueModelAdapter
{
/** The names of the items' properties that we listen to. */
protected final String[] propertyNames;
/** Listener that listens to all the items in the list. */
protected final PropertyChangeListener itemPropertyListener;
// ********** constructors **********
/**
* Construct an adapter for the specified item property.
*/
public ItemPropertyListValueModelAdapter(ListValueModel listHolder, String propertyName) {
this(listHolder, new String[] {propertyName});
}
/**
* Construct an adapter for the specified item properties.
*/
public ItemPropertyListValueModelAdapter(ListValueModel listHolder, String propertyName1, String propertyName2) {
this(listHolder, new String[] {propertyName1, propertyName2});
}
/**
* Construct an adapter for the specified item properties.
*/
public ItemPropertyListValueModelAdapter(ListValueModel listHolder, String propertyName1, String propertyName2, String propertyName3) {
this(listHolder, new String[] {propertyName1, propertyName2, propertyName3});
}
/**
* Construct an adapter for the specified item properties.
*/
public ItemPropertyListValueModelAdapter(ListValueModel listHolder, String[] propertyNames) {
super(listHolder);
this.propertyNames = propertyNames;
this.itemPropertyListener = this.buildItemPropertyListener();
}
/**
* Construct an adapter for the specified item property.
*/
public ItemPropertyListValueModelAdapter(CollectionValueModel collectionHolder, String propertyName) {
this(collectionHolder, new String[] {propertyName});
}
/**
* Construct an adapter for the specified item properties.
*/
public ItemPropertyListValueModelAdapter(CollectionValueModel collectionHolder, String propertyName1, String propertyName2) {
this(collectionHolder, new String[] {propertyName1, propertyName2});
}
/**
* Construct an adapter for the specified item properties.
*/
public ItemPropertyListValueModelAdapter(CollectionValueModel collectionHolder, String propertyName1, String propertyName2, String propertyName3) {
this(collectionHolder, new String[] {propertyName1, propertyName2, propertyName3});
}
/**
* Construct an adapter for the specified item properties.
*/
public ItemPropertyListValueModelAdapter(CollectionValueModel collectionHolder, String[] propertyNames) {
this(new CollectionListValueModelAdapter(collectionHolder), propertyNames);
}
// ********** initialization **********
protected PropertyChangeListener buildItemPropertyListener() {
return new PropertyChangeListener() {
public void propertyChanged(PropertyChangeEvent e) {
ItemPropertyListValueModelAdapter.this.itemAspectChanged(e);
}
@Override
public String toString() {
return "item property listener: " + Arrays.asList(ItemPropertyListValueModelAdapter.this.propertyNames);
}
};
}
// ********** behavior **********
@Override
protected void startListeningToItem(Model item) {
for (int i = this.propertyNames.length; i-- > 0; ) {
item.addPropertyChangeListener(this.propertyNames[i], this.itemPropertyListener);
}
}
@Override
protected void stopListeningToItem(Model item) {
for (int i = this.propertyNames.length; i-- > 0; ) {
item.removePropertyChangeListener(this.propertyNames[i], this.itemPropertyListener);
}
}
}
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