Source Code Cross Referenced for TreeBrowser.java in  » 6.0-JDK-Modules » java-3d » com » db » utils » tree » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » java 3d » com.db.utils.tree 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 2000-2001 Silvere Martin-Michiellot All Rights Reserved.
003:         *
004:         * Silvere Martin-Michiellot grants you ("Licensee") a non-exclusive,
005:         * royalty free, license to use, but not to modify or redistribute this
006:         * software in source and binary code form,
007:         * provided that i) this copyright notice and license appear on all copies of
008:         * the software; and ii) Licensee does not utilize the software in a manner
009:         * which is disparaging to Silvere Martin-Michiellot.
010:         *
011:         * This software is provided "AS IS," without a warranty of any kind. ALL
012:         * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
013:         * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
014:         * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. Silvere Martin-Michiellot
015:         * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
016:         * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
017:         * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
018:         * Silvere Martin-Michiellot OR ITS LICENSORS BE LIABLE
019:         * FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
020:         * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
021:         * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
022:         * OR INABILITY TO USE SOFTWARE, EVEN IF Silvere Martin-Michiellot HAS BEEN
023:         * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
024:         *
025:         * This software is not designed or intended for use in on-line control of
026:         * aircraft, air traffic, aircraft navigation or aircraft communications; or in
027:         * the design, construction, operation or maintenance of any nuclear
028:         * facility. Licensee represents and warrants that it will not use or
029:         * redistribute the Software for such purposes.
030:         *
031:         * @Author: Silvere Martin-Michiellot for Digital Biosphere
032:         * @Version: 1.1 (to stay in touch with h-anim)
033:         *
034:         */
035:
036:        package com.db.utils.tree;
037:
038:        import java.util.*;
039:        import javax.vecmath.*;
040:        import javax.media.j3d.*;
041:
042:        /**
043:         * This class to implement a SceneGraphBrowser.
044:         *
045:         * @author Silvere Martin-Michiellot
046:         * @version 1.0
047:         */
048:
049:        public class TreeBrowser extends Object {
050:
051:            private int indent = 1;
052:
053:            /** Creates new TreeBrowser */
054:            public TreeBrowser() {
055:
056:                super ();
057:
058:            }
059:
060:            //gets the number of spaces to right shift the string when it is displaying a node at a given level
061:            public int getIndent() {
062:
063:                return this .indent;
064:
065:            }
066:
067:            //sets the number of spaces to right shift the string when it is displaying a node at a given level
068:            public void setIndent(int indent) {
069:
070:                this .indent = indent;
071:
072:            }
073:
074:            //gets an indented hiearchical tree of all the nodes under locale
075:            //locale must not have been removed from the VirtualUniverse
076:            //otherwise a java.lang.IllegalStateException will be thrown
077:            public String getTree(javax.media.j3d.Locale locale) {
078:
079:                Enumeration enumeration;
080:                BranchGroup branchGroup;
081:                String string;
082:
083:                enumeration = locale.getAllBranchGraphs();
084:                string = new String("Printing tree of locale "
085:                        + locale.getClass().getName() + ":/n");
086:                while (enumeration.hasMoreElements()) {
087:                    branchGroup = (BranchGroup) enumeration.nextElement();
088:                    string.concat(this .getTree(branchGroup));
089:                }
090:
091:                return string;
092:
093:            }
094:
095:            //gets an indented hiearchical tree of all the nodes under group
096:            //CapabilityNotSetException are NOT caught
097:            //so you must first set the capabilities for each node of the branchGroup to allow read access
098:            //tree is indented
099:            public String getTree(Group group) {
100:
101:                return this .getTree(group, 0);
102:
103:            }
104:
105:            //gets an indented hiearchical tree of all the nodes under locale
106:            //locale must not have been removed from the VirtualUniverse
107:            //otherwise a java.lang.IllegalStateException will be thrown
108:            public String getPartialTree(javax.media.j3d.Locale locale) {
109:
110:                Enumeration enumeration;
111:                BranchGroup branchGroup;
112:                String string;
113:
114:                enumeration = locale.getAllBranchGraphs();
115:                string = new String("Printing tree of Locale "
116:                        + locale.getClass().getName() + ":/n");
117:                while (enumeration.hasMoreElements()) {
118:                    branchGroup = (BranchGroup) enumeration.nextElement();
119:                    string.concat(this .getPartialTree(branchGroup));
120:                }
121:
122:                return string;
123:
124:            }
125:
126:            //gets an indented hiearchical tree of all the nodes under group
127:            //CapabilityNotSetException are caught but nodes contents may therefore NOT be printed
128:            //so you must first set the capabilities for each node of the branchGroup to allow read access
129:            //tree is indented
130:            public String getPartialTree(Group group) {
131:
132:                return this .getPartialTree(group, 0);
133:
134:            }
135:
136:            private String getTree(Group group, int level) {
137:
138:                Enumeration enumeration;
139:                String string;
140:                String space;
141:                Object object;
142:
143:                enumeration = group.getAllChildren();
144:                string = new String("Printing tree of Group "
145:                        + group.getClass().toString() + ":/n");
146:                space = new String("");
147:                for (int i = 0; i < (level * this .getIndent()); i++) {
148:                    space.concat(" ");
149:                }
150:
151:                while (enumeration.hasMoreElements()) {
152:                    object = enumeration.nextElement();
153:                    if (object instanceof  Group) {
154:                        string.concat(this .getTree((Group) object, level + 1));
155:                    } else {
156:                        string.concat(space);
157:                        string.concat(object.getClass().toString() + "./n");
158:                    }
159:                }
160:
161:                return string;
162:
163:            }
164:
165:            private String getPartialTree(Group group, int level) {
166:
167:                Enumeration enumeration;
168:                String string;
169:                String space;
170:                Object object;
171:
172:                string = new String("Printing tree of Group "
173:                        + group.getClass().toString() + ":/n");
174:                space = new String("");
175:                for (int i = 0; i < (level * this .getIndent()); i++) {
176:                    space.concat(" ");
177:                }
178:                try {
179:                    enumeration = group.getAllChildren();
180:
181:                    while (enumeration.hasMoreElements()) {
182:                        object = enumeration.nextElement();
183:                        if (object instanceof  Group) {
184:                            string.concat(this .getTree((Group) object,
185:                                    level + 1));
186:                        } else {
187:                            string.concat(space);
188:                            string.concat(object.getClass().toString() + "./n");
189:                        }
190:                    }
191:
192:                } catch (CapabilityNotSetException exception) {
193:                    string.concat(space);
194:                    string.concat("Sub elements can't be displayed./n");
195:                }
196:
197:                return string;
198:
199:            }
200:
201:        }
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