130 lines
3.5 KiB
Java
130 lines
3.5 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package java.beans;
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import java.awt.Component;
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import java.awt.Graphics;
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import java.awt.Rectangle;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.harmony.beans.internal.nls.Messages;
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public class PropertyEditorSupport implements PropertyEditor {
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Object source = null;
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List<PropertyChangeListener> listeners = new ArrayList<PropertyChangeListener>();
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Object oldValue = null;
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Object newValue = null;
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public PropertyEditorSupport(Object source) {
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if (source == null) {
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throw new NullPointerException(Messages.getString("beans.0C")); //$NON-NLS-1$
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}
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this.source = source;
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}
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public PropertyEditorSupport() {
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source = this;
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}
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public void paintValue(Graphics gfx, Rectangle box) {
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}
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public void setAsText(String text) throws IllegalArgumentException {
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if (newValue instanceof String) {
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setValue(text);
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} else {
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throw new IllegalArgumentException(text);
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}
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}
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public String[] getTags() {
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return null;
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}
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public String getJavaInitializationString() {
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return "???"; //$NON-NLS-1$
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}
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public String getAsText() {
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return newValue == null ? "null" : newValue.toString(); //$NON-NLS-1$
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}
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public void setValue(Object value) {
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this.oldValue = this.newValue;
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this.newValue = value;
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firePropertyChange();
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}
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public Object getValue() {
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return newValue;
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}
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public void setSource(Object source) {
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if (source == null) {
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throw new NullPointerException(Messages.getString("beans.0C")); //$NON-NLS-1$
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}
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this.source = source;
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}
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public Object getSource() {
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return source;
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}
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public synchronized void removePropertyChangeListener(
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PropertyChangeListener listener) {
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if (listeners != null) {
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listeners.remove(listener);
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}
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}
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public synchronized void addPropertyChangeListener(
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PropertyChangeListener listener) {
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listeners.add(listener);
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}
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public Component getCustomEditor() {
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return null;
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}
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public boolean supportsCustomEditor() {
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return false;
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}
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public boolean isPaintable() {
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return false;
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}
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public void firePropertyChange() {
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if (listeners.size() > 0) {
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PropertyChangeEvent event = new PropertyChangeEvent(source, null,
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oldValue, newValue);
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Iterator<PropertyChangeListener> iterator = listeners.iterator();
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while (iterator.hasNext()) {
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PropertyChangeListener listener = iterator.next();
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listener.propertyChange(event);
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}
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}
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}
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}
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