| /* |
| * 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.netbeans.modules.css.visual; |
| |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeSupport; |
| |
| /** |
| * Descriptor of a filter. |
| * |
| * @author Jan Stola |
| */ |
| public class Filter { |
| /** Name of the property fired when the pattern changes. */ |
| public static final String PROPERTY_PATTERN = "pattern"; // NOI18N |
| /** Pattern of this filter. */ |
| private String pattern; |
| /** Property change support. */ |
| private PropertyChangeSupport changeSupport = new PropertyChangeSupport(this); |
| |
| /** |
| * Returns the pattern of this filter. |
| * |
| * @return pattern of this filter. |
| */ |
| public String getPattern() { |
| return pattern; |
| } |
| |
| /** |
| * Sets the pattern of this filter. |
| * |
| * @param pattern new pattern of this filter. |
| */ |
| void setPattern(String pattern) { |
| String oldPattern = this.pattern; |
| this.pattern = pattern; |
| changeSupport.firePropertyChange(PROPERTY_PATTERN, oldPattern, pattern); |
| } |
| |
| /** |
| * Registers a property change listener. |
| * |
| * @param listener listener to register. |
| */ |
| public void addPropertyChangeListener(PropertyChangeListener listener) { |
| changeSupport.addPropertyChangeListener(listener); |
| } |
| |
| /** |
| * Unregisters a property change listener. |
| * |
| * @param listener listener to unregister. |
| */ |
| public void removePropertyChangeListener(PropertyChangeListener listener) { |
| changeSupport.removePropertyChangeListener(listener); |
| } |
| |
| /** |
| * Unregisters all previously registered property change listeners. |
| */ |
| public void removePropertyChangeListeners() { |
| for (PropertyChangeListener listener : changeSupport.getPropertyChangeListeners()) { |
| removePropertyChangeListener(listener); |
| } |
| } |
| |
| } |