/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.cayenne.swing; import java.awt.Component; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; /** * A binding for connecting to children that implement BoundComponent. * * @since 1.2 */ public class PropertyBinding extends BindingBase { protected BoundComponent boundComponent; protected String boundExpression; public PropertyBinding(BoundComponent boundComponent, String propertyExpression, String boundExpression) { super(propertyExpression); this.boundExpression = boundExpression; this.boundComponent = boundComponent; this.boundComponent.addPropertyChangeListener(boundExpression, new PropertyChangeListener() { public void propertyChange(PropertyChangeEvent event) { setValue(event.getNewValue()); } }); } public Component getView() { return boundComponent.getView(); } public void updateView() { boundComponent.bindingUpdated(boundExpression, getValue()); } }