001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.form;
043:
044: import java.util.*;
045: import java.beans.EventSetDescriptor;
046: import java.lang.reflect.Method;
047:
048: /**
049: * Represents one event of a component. Holds handlers attached to the event.
050: *
051: * @author Tomas Pavek
052: */
053:
054: public class Event {
055:
056: private static String[] NO_HANDLERS = {};
057:
058: private RADComponent component;
059: private EventSetDescriptor eventSetDescriptor;
060: private Method listenerMethod;
061: private boolean inCEDL; // CEDL - common event dispatching listener
062: private List<String> eventHandlers;
063:
064: Event(RADComponent component,
065: EventSetDescriptor eventSetDescriptor, Method listenerMethod) {
066: this .component = component;
067: this .eventSetDescriptor = eventSetDescriptor;
068: this .listenerMethod = listenerMethod;
069: }
070:
071: // --------
072:
073: public String getName() {
074: return listenerMethod.getName();
075: }
076:
077: public String getId() {
078: return FormEvents.getEventIdName(listenerMethod);
079: }
080:
081: public final RADComponent getComponent() {
082: return component;
083: }
084:
085: public final EventSetDescriptor getEventSetDescriptor() {
086: return eventSetDescriptor;
087: }
088:
089: public final Method getListenerMethod() {
090: return listenerMethod;
091: }
092:
093: public boolean hasEventHandlers() {
094: return eventHandlers != null && eventHandlers.size() > 0;
095: }
096:
097: public boolean hasEventHandler(String handler) {
098: return eventHandlers != null ? eventHandlers.contains(handler)
099: : false;
100: }
101:
102: public String[] getEventHandlers() {
103: if (eventHandlers == null || eventHandlers.size() == 0)
104: return NO_HANDLERS;
105:
106: String[] handlerNames = new String[eventHandlers.size()];
107: eventHandlers.toArray(handlerNames);
108: return handlerNames;
109: }
110:
111: // CEDL - common event dispatching listener
112: public final boolean isInCEDL() {
113: return inCEDL;
114: }
115:
116: // --------
117:
118: void setInCEDL(boolean isIn) {
119: inCEDL = isIn;
120: }
121:
122: boolean addEventHandler(String handlerName) {
123: if (eventHandlers == null)
124: eventHandlers = new ArrayList<String>(1);
125: else if (eventHandlers.contains(handlerName))
126: return false;
127:
128: eventHandlers.add(handlerName);
129: return true;
130: }
131:
132: boolean removeEventHandler(String handlerName) {
133: return eventHandlers != null
134: && eventHandlers.remove(handlerName);
135: }
136:
137: boolean renameEventHandler(String oldHandlerName,
138: String newHandlerName) {
139: if (eventHandlers == null)
140: return false;
141: int index = eventHandlers.indexOf(oldHandlerName);
142: if (index < 0 || eventHandlers.contains(newHandlerName))
143: return false;
144:
145: eventHandlers.set(index, newHandlerName);
146: return true;
147: }
148:
149: List getEventHandlerList() {
150: return eventHandlers;
151: }
152: }
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