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.vmd.api.inspector;
043:
044: import java.util.ArrayList;
045: import java.util.Collections;
046: import java.util.List;
047: import org.netbeans.modules.vmd.api.model.Debug;
048: import org.netbeans.modules.vmd.inspector.InspectorWrapperTree;
049:
050: /**
051: *
052: * @author Karol Harezlak
053: */
054: /**
055: * This class keep tracking status of of the Mobility Visual Designer Navigator structure tree.
056: *
057: */
058: public final class InspectorFolderPath {
059:
060: private final List<InspectorFolder> path;
061: private static InspectorFolderPath instance;
062:
063: private InspectorFolderPath() {
064: path = new ArrayList<InspectorFolder>();
065: }
066:
067: /**
068: * DO NOT USE THIS METHOD.This method is only accessible from InspectorWrapperTree.class
069: */
070: public static InspectorFolderPath createInspectorPath() {
071: if (!Debug
072: .isFriend(
073: "org.netbeans.modules.vmd.inspector.InspectorWrapperTree$1",
074: "run")) { // NOI18N
075: throw new IllegalStateException(
076: "This method is accessible only from InspectorWrapperTree.class"); //NOI18N
077: }
078: instance = new InspectorFolderPath();
079: return instance;
080: }
081:
082: /**
083: * DO NOT USE THIS METHOD.This method is only accessible from InspectorWrapperTree.class
084: */
085: public InspectorFolderPath add(InspectorFolder pathElement) {
086: if (!Debug
087: .isFriend(
088: "org.netbeans.modules.vmd.inspector.InspectorWrapperTree$1",
089: "run")
090: && !Debug.isFriend(InspectorWrapperTree.class)) { // NOI18N
091: throw new IllegalStateException(
092: "This method is accessible only from InspectorWrapperTree.class"); //NOI18N
093: }
094: path.add(pathElement);
095: return this ;
096: }
097:
098: /**
099: * DO NOT USE THIS METHOD.This method is only accessible from InspectorWrapperTree.class
100: */
101: public void remove(InspectorFolder pathElement) {
102: if (!Debug
103: .isFriend(
104: "org.netbeans.modules.vmd.inspector.InspectorWrapperTree$1",
105: "run")
106: && !Debug.isFriend(InspectorWrapperTree.class)) {
107: throw new IllegalStateException(
108: "This method is accessible only from InspectorWrapperTree.class"); //NOI18N
109: }
110: assert path.lastIndexOf(pathElement) == (path.size() - 1) : "Path error"; // NOI18N
111: path.remove(path.size() - 1);
112: }
113:
114: /**
115: * Returns current path of the Mobility Visual Designer Navigator as a List<InspectorFolder>
116: * @return returns current path as List<InspectorFolder>
117: */
118: public List<InspectorFolder> getPath() {
119: return Collections.<InspectorFolder> unmodifiableList(path);
120: }
121:
122: /**
123: * Returns last element of the current path of the Mobility Visual Designer Navigator as InspectorFolder
124: * @return returns last element od path as InspectorFolder
125: */
126: public InspectorFolder getLastElement() {
127: int index = path.size() - 1;
128: if (index >= 0) {
129: return Collections.<InspectorFolder> unmodifiableList(path)
130: .get(index);
131: } else {
132: return null;
133: }
134: }
135:
136: @Override
137: public String toString() {
138: StringBuffer pathString = new StringBuffer();
139: for (InspectorFolder folder : path) {
140: pathString.append("/").append(folder.getTypeID()); // NOI18N
141: }
142:
143: return pathString.toString();
144: }
145: }
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