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.welcome;
043:
044: import java.beans.PropertyChangeListener;
045: import java.beans.PropertyChangeSupport;
046: import java.util.prefs.Preferences;
047: import org.openide.util.NbPreferences;
048:
049: /**
050: *
051: * @author S. Aubrecht
052: */
053: public class WelcomeOptions {
054:
055: private static WelcomeOptions theInstance;
056:
057: private static final String PROP_SHOW_ON_STARTUP = "showOnStartup";
058: private static final String PROP_LAST_ACTIVE_TAB = "lastActiveTab";
059: private static final String PROP_START_COUNTER = "startCounter";
060:
061: private PropertyChangeSupport propSupport;
062:
063: /** Creates a new instance of WelcomeOptions */
064: private WelcomeOptions() {
065: }
066:
067: private Preferences prefs() {
068: return NbPreferences.forModule(WelcomeOptions.class);
069: }
070:
071: public static synchronized WelcomeOptions getDefault() {
072: if (null == theInstance) {
073: theInstance = new WelcomeOptions();
074: }
075: return theInstance;
076: }
077:
078: public void setShowOnStartup(boolean show) {
079: boolean oldVal = isShowOnStartup();
080: prefs().putBoolean(PROP_SHOW_ON_STARTUP, show);
081: if (null != propSupport)
082: propSupport.firePropertyChange(PROP_SHOW_ON_STARTUP,
083: oldVal, show);
084: }
085:
086: public boolean isShowOnStartup() {
087: return prefs().getBoolean(PROP_SHOW_ON_STARTUP, true);
088: }
089:
090: public void setLastActiveTab(int tabIndex) {
091: int oldVal = getLastActiveTab();
092: prefs().putInt(PROP_LAST_ACTIVE_TAB, tabIndex);
093: if (null != propSupport)
094: propSupport.firePropertyChange(PROP_LAST_ACTIVE_TAB,
095: oldVal, tabIndex);
096: }
097:
098: public int getLastActiveTab() {
099: return prefs().getInt(PROP_LAST_ACTIVE_TAB, -1);
100: }
101:
102: public boolean isSecondStart() {
103: return prefs().getInt(PROP_START_COUNTER, -1) == 2;
104: }
105:
106: public void incrementStartCounter() {
107: int count = prefs().getInt(PROP_START_COUNTER, 0) + 1;
108: if (count > 3)
109: return; //we're just interested in the first and second start so don't bother any more then
110: prefs().putInt(PROP_START_COUNTER, count);
111: }
112:
113: public void addPropertyChangeListener(PropertyChangeListener l) {
114: if (null == propSupport)
115: propSupport = new PropertyChangeSupport(this );
116: propSupport.addPropertyChangeListener(l);
117: }
118:
119: public void removePropertyChangeListener(PropertyChangeListener l) {
120: if (null == propSupport)
121: return;
122: propSupport.removePropertyChangeListener(l);
123: }
124: }
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