Source Code Cross Referenced for ShortcutsFolder.java in  » IDE-Netbeans » library » org » netbeans » core » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » library » org.netbeans.core 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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.core;
043:
044:        import java.io.IOException;
045:        import java.util.Collection;
046:        import java.util.Enumeration;
047:        import java.util.LinkedList;
048:        import java.util.logging.Level;
049:        import java.util.logging.Logger;
050:        import javax.swing.Action;
051:        import javax.swing.KeyStroke;
052:        import javax.swing.text.Keymap;
053:        import org.netbeans.core.NbKeymap.KeymapAction;
054:        import org.openide.cookies.InstanceCookie;
055:        import org.openide.filesystems.FileAttributeEvent;
056:        import org.openide.filesystems.FileChangeAdapter;
057:        import org.openide.filesystems.FileEvent;
058:        import org.openide.filesystems.FileObject;
059:        import org.openide.filesystems.Repository;
060:        import org.openide.loaders.DataFolder;
061:        import org.openide.loaders.DataObject;
062:        import org.openide.util.Exceptions;
063:        import org.openide.util.Lookup;
064:        import org.openide.util.RequestProcessor;
065:        import org.openide.util.Utilities;
066:
067:        /**
068:         * Bridge to old layers based system.
069:         *
070:         * @author Jan Jancura
071:         */
072:        class ShortcutsFolder {
073:
074:            private static final String PROFILES_FOLDER = "Keymaps";
075:            private static final String SHORTCUTS_FOLDER = "Shortcuts";
076:            private static final String CURRENT_PROFILE_ATTRIBUTE = "currentKeymap";
077:
078:            private static ShortcutsFolder shortcutsFolder;
079:            private Listener listener = new Listener();
080:            private FileObject profilesFileObject;
081:            private FileObject shortcutsFileObject;
082:            private FileObject currentFolder;
083:            private Logger debug = Logger.getLogger(ShortcutsFolder.class
084:                    .getName());
085:            private Collection<DataObject> dataObjects;
086:
087:            static void initShortcuts() {
088:                if (shortcutsFolder != null)
089:                    return;
090:                shortcutsFolder = new ShortcutsFolder();
091:            }
092:
093:            private ShortcutsFolder() {
094:                try {
095:                    FileObject root = Repository.getDefault()
096:                            .getDefaultFileSystem().getRoot();
097:                    profilesFileObject = root.getFileObject(PROFILES_FOLDER);
098:                    if (profilesFileObject == null)
099:                        profilesFileObject = root.createFolder(PROFILES_FOLDER);
100:                    profilesFileObject.addFileChangeListener(listener);
101:
102:                    shortcutsFileObject = root.getFileObject(SHORTCUTS_FOLDER);
103:                    if (shortcutsFileObject == null)
104:                        shortcutsFileObject = root
105:                                .createFolder(SHORTCUTS_FOLDER);
106:                    shortcutsFileObject.addFileChangeListener(listener);
107:                } catch (IOException ex) {
108:                    Exceptions.printStackTrace(ex);
109:                }
110:                refresh();
111:            }
112:
113:            static void waitFinished() {
114:                shortcutsFolder.listener.task.waitFinished();
115:            }
116:
117:            private void refresh() {
118:
119:                // get keymap and delete old shortcuts
120:                NbKeymap keymap = (NbKeymap) Lookup.getDefault().lookup(
121:                        Keymap.class);
122:                keymap.removeBindings();
123:                dataObjects = new LinkedList<DataObject>();
124:
125:                // update main shortcuts
126:                readShortcuts(keymap, shortcutsFileObject);
127:
128:                // update shortcuts from profile
129:                String keymapName = (String) profilesFileObject
130:                        .getAttribute(CURRENT_PROFILE_ATTRIBUTE);
131:                if (keymapName == null || "".equals(keymapName))
132:                    keymapName = "NetBeans"; // NOI18N
133:                if (currentFolder != null)
134:                    currentFolder.removeFileChangeListener(listener);
135:                currentFolder = Repository.getDefault().getDefaultFileSystem()
136:                        .getRoot().getFileObject(
137:                                PROFILES_FOLDER + '/' + keymapName);
138:                if (currentFolder == null) {
139:                    try {
140:                        currentFolder = profilesFileObject
141:                                .createFolder(keymapName);
142:                    } catch (IOException ioe) {
143:                        Exceptions.printStackTrace(ioe);
144:                    }
145:                }
146:                if (currentFolder != null) {
147:                    readShortcuts(keymap, currentFolder);
148:                    // add listener to current profile folder
149:                    currentFolder.addFileChangeListener(listener);
150:                }
151:            }
152:
153:            private void readShortcuts(NbKeymap keymap, FileObject fileObject) {
154:                debug.fine("\nreadShortcuts " + fileObject);
155:                DataFolder folder = DataFolder.findFolder(fileObject);
156:                Enumeration en = folder.children(false);
157:                while (en.hasMoreElements()) {
158:                    DataObject dataObject = (DataObject) en.nextElement();
159:                    if (dataObject instanceof  DataFolder)
160:                        continue;
161:                    InstanceCookie ic = dataObject
162:                            .getCookie(InstanceCookie.class);
163:                    if (ic == null)
164:                        continue;
165:                    try {
166:                        Action action = (Action) ic.instanceCreate();
167:                        String shortcuts = dataObject.getName();
168:                        debug.fine("  " + shortcuts + " : " + action);
169:                        KeyStroke[] keyStrokes = Utilities
170:                                .stringToKeys(shortcuts);
171:                        if (keyStrokes != null) {
172:                            addShortcut(keymap, action, keyStrokes);
173:                        } else { // see e.g. secondary exception in #74169
174:                            debug.warning("Unrecognized shortcut name from "
175:                                    + dataObject.getPrimaryFile().getPath()); // NOI18N
176:                        }
177:                        //remember DataObjects used to create the Actions so that there are
178:                        //the same Action instances in the menu
179:                        dataObjects.add(dataObject);
180:                    } catch (ClassNotFoundException x) {
181:                        Logger.getLogger(ShortcutsFolder.class.getName()).log(
182:                                Level.WARNING,
183:                                "{0} ignored; cannot load class {1}",
184:                                new Object[] {
185:                                        dataObject.getPrimaryFile().getPath(),
186:                                        ic.instanceName() });
187:                    } catch (Exception ex) {
188:                        Logger.getLogger(ShortcutsFolder.class.getName()).log(
189:                                Level.WARNING, null, ex);
190:                    }
191:                }
192:            }
193:
194:            private static void addShortcut(NbKeymap keymap, Action action,
195:                    KeyStroke[] keyStrokes) {
196:                Keymap currentKeymap = keymap;
197:                int i, k = keyStrokes.length - 1;
198:                for (i = 0; i < k; i++) {
199:                    Action a = currentKeymap.getAction(keyStrokes[i]);
200:                    if (a == null) {
201:                        a = keymap.createMapAction(
202:                                new NbKeymap.SubKeymap(null), keyStrokes[i]);
203:                        currentKeymap.addActionForKeyStroke(keyStrokes[i], a);
204:                    }
205:                    if (!(a instanceof  KeymapAction))
206:                        return;
207:                    currentKeymap = ((KeymapAction) a).getSubMap();
208:                }
209:                currentKeymap.addActionForKeyStroke(keyStrokes[k], action);
210:            }
211:
212:            private class Listener extends FileChangeAdapter implements 
213:                    Runnable {
214:
215:                private RequestProcessor.Task task = new RequestProcessor(
216:                        "ShortcutsFolder").create(this );
217:
218:                public void run() {
219:                    refresh();
220:                }
221:
222:                @Override
223:                public void fileDataCreated(FileEvent fe) {
224:                    task.schedule(500);
225:                }
226:
227:                @Override
228:                public void fileChanged(FileEvent fe) {
229:                    task.schedule(500);
230:                }
231:
232:                @Override
233:                public void fileDeleted(FileEvent fe) {
234:                    task.schedule(500);
235:                }
236:
237:                @Override
238:                public void fileAttributeChanged(FileAttributeEvent fe) {
239:                    if (fe.getName() != null
240:                            && !CURRENT_PROFILE_ATTRIBUTE.equals(fe.getName()))
241:                        return;
242:                    task.schedule(500);
243:                }
244:            }
245:        }
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