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.spi.debugger;
043:
044: import java.util.Set;
045: import org.openide.util.RequestProcessor;
046:
047: /**
048: * Represents implementation of one or more actions.
049: *
050: * @author Jan Jancura
051: */
052: public abstract class ActionsProvider {
053:
054: /**
055: * Returns set of actions supported by this ActionsProvider.
056: *
057: * @return set of actions supported by this ActionsProvider
058: */
059: public abstract Set getActions();
060:
061: /**
062: * Called when the action is called (action button is pressed).
063: *
064: * @param action an action which has been called
065: */
066: public abstract void doAction(Object action);
067:
068: /**
069: * Should return a state of given action.
070: *
071: * @param action action
072: */
073: public abstract boolean isEnabled(Object action);
074:
075: /**
076: * Adds property change listener.
077: *
078: * @param l new listener.
079: */
080: public abstract void addActionsProviderListener(
081: ActionsProviderListener l);
082:
083: /**
084: * Removes property change listener.
085: *
086: * @param l removed listener.
087: */
088: public abstract void removeActionsProviderListener(
089: ActionsProviderListener l);
090:
091: /**
092: * Post the action and let it process asynchronously.
093: * The default implementation just delegates to {@link #doAction}
094: * in a separate thread and returns immediately.
095: *
096: * @param action The action to post
097: * @param actionPerformedNotifier run this notifier after the action is
098: * done.
099: * @since 1.5
100: */
101: public void postAction(final Object action,
102: final Runnable actionPerformedNotifier) {
103: RequestProcessor.getDefault().post(new Runnable() {
104: public void run() {
105: try {
106: doAction(action);
107: } finally {
108: actionPerformedNotifier.run();
109: }
110: }
111: });
112: }
113:
114: }
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