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: package org.netbeans.modules.refactoring.spi.impl;
042:
043: import java.util.logging.Level;
044: import java.util.logging.LogRecord;
045: import java.util.logging.Logger;
046: import javax.swing.SwingUtilities;
047: import org.netbeans.modules.refactoring.api.impl.ActionsImplementationFactory;
048: import org.netbeans.modules.refactoring.api.ui.ExplorerContext;
049: import org.openide.nodes.Node;
050: import org.openide.util.HelpCtx;
051: import org.openide.util.Lookup;
052: import org.openide.util.NbBundle;
053: import org.openide.explorer.ExtendedDelete;
054: import org.openide.util.Exceptions;
055: import org.openide.util.lookup.Lookups;
056: import org.openide.util.lookup.ProxyLookup;
057:
058: /**
059: * @author Jan Becicka
060: */
061: public class SafeDeleteAction extends RefactoringGlobalAction implements
062: ExtendedDelete {
063:
064: private static final Logger LOGGER = Logger
065: .getLogger(SafeDeleteAction.class.getName());
066:
067: /**
068: * Creates a new instance of SafeDeleteAction
069: */
070: public SafeDeleteAction() {
071: super (NbBundle.getMessage(SafeDeleteAction.class,
072: "LBL_SafeDel_Action"), null);
073: putValue("noIconInMenu", Boolean.TRUE); // NOI18N
074: }
075:
076: public final void performAction(Lookup context) {
077: ActionsImplementationFactory.doDelete(context);
078: if (LOGGER.isLoggable(Level.FINEST)) {
079: LOGGER.log(Level.FINEST, "SafeDeleteAction.performAction",
080: new Exception());
081: }
082: }
083:
084: public org.openide.util.HelpCtx getHelpCtx() {
085: return HelpCtx.DEFAULT_HELP;
086: }
087:
088: protected boolean asynchronous() {
089: return false;
090: }
091:
092: protected boolean enable(Lookup context) {
093: return ActionsImplementationFactory.canDelete(context);
094: }
095:
096: protected Lookup getLookup(Node[] n) {
097: Lookup l = super .getLookup(n);
098: if (regularDelete) {
099: ExplorerContext con = l.lookup(ExplorerContext.class);
100: if (con != null) {
101: con.setDelete(true);
102: } else {
103: con = new ExplorerContext();
104: con.setDelete(true);
105: return new ProxyLookup(l, Lookups.singleton(con));
106: }
107: }
108: return l;
109: }
110:
111: private boolean regularDelete = false;
112:
113: public boolean delete(final Node[] nodes) {
114: if (enable(nodes)) {
115: if (java.awt.EventQueue.isDispatchThread()) {
116: regularDelete = true;
117: performAction(nodes);
118: regularDelete = false;
119: } else {
120: SwingUtilities.invokeLater(new Runnable() {
121: public void run() {
122: regularDelete = true;
123: performAction(nodes);
124: regularDelete = false;
125: }
126:
127: });
128: }
129: return true;
130: } else {
131: return false;
132: }
133: }
134: }
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