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 1997-2007 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.autoupdate.ui.wizards;
043:
044: import java.util.ArrayList;
045: import java.util.List;
046: import java.util.NoSuchElementException;
047: import javax.swing.event.ChangeListener;
048: import org.netbeans.modules.autoupdate.ui.UninstallUnitWizard;
049: import org.openide.WizardDescriptor;
050: import org.openide.util.NbBundle;
051:
052: /**
053: *
054: * @author Jiri Rechtacek
055: */
056: public final class UninstallUnitWizardIterator implements
057: WizardDescriptor.Iterator<WizardDescriptor> {
058:
059: private int index;
060: private List<WizardDescriptor.Panel<WizardDescriptor>> panels = new ArrayList<WizardDescriptor.Panel<WizardDescriptor>>();
061: private UninstallUnitWizardModel uninstallModel;
062:
063: public UninstallUnitWizardIterator(UninstallUnitWizardModel model) {
064: uninstallModel = model;
065: createPanels();
066: index = 0;
067: }
068:
069: public UninstallUnitWizardModel getModel() {
070: assert uninstallModel != null;
071: return uninstallModel;
072: }
073:
074: private void createPanels() {
075: assert panels != null && panels.isEmpty() : "Panels are still empty";
076: panels.add(new OperationDescriptionStep(uninstallModel));
077: panels.add(new UninstallStep(uninstallModel));
078: }
079:
080: public WizardDescriptor.Panel<WizardDescriptor> current() {
081: assert panels != null;
082: return panels.get(index);
083: }
084:
085: public String name() {
086: return NbBundle.getMessage(UninstallUnitWizard.class,
087: "UninstallUnitWizard_Title");
088: }
089:
090: public boolean hasNext() {
091: return index < panels.size() - 1;
092: }
093:
094: public boolean hasPrevious() {
095: return index > 0 && !(current() instanceof UninstallStep);
096: }
097:
098: public void nextPanel() {
099: if (!hasNext()) {
100: throw new NoSuchElementException();
101: }
102: index++;
103: }
104:
105: public void previousPanel() {
106: if (!hasPrevious()) {
107: throw new NoSuchElementException();
108: }
109: index--;
110: }
111:
112: // If nothing unusual changes in the middle of the wizard, simply:
113: public void addChangeListener(ChangeListener l) {
114: }
115:
116: public void removeChangeListener(ChangeListener l) {
117: }
118:
119: }
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