|
1
19
20 package org.netbeans.core;
21
22 import java.io.IOException  ;
23 import java.util.Enumeration ;
24 import java.util.logging.Level ;
25 import java.util.logging.Logger ;
26 import javax.swing.Action ;
27 import javax.swing.KeyStroke ;
28 import javax.swing.text.Keymap ;
29 import org.netbeans.core.NbKeymap.KeymapAction;
30 import org.openide.cookies.InstanceCookie;
31 import org.openide.filesystems.FileAttributeEvent;
32 import org.openide.filesystems.FileChangeAdapter;
33 import org.openide.filesystems.FileEvent;
34 import org.openide.filesystems.FileObject;
35 import org.openide.filesystems.Repository;
36 import org.openide.loaders.DataFolder;
37 import org.openide.loaders.DataObject;
38 import org.openide.util.Exceptions;
39 import org.openide.util.Lookup;
40 import org.openide.util.RequestProcessor;
41 import org.openide.util.Utilities;
42
43
48 class ShortcutsFolder {
49
50 private static final String PROFILES_FOLDER = "Keymaps";
51 private static final String SHORTCUTS_FOLDER = "Shortcuts";
52 private static final String CURRENT_PROFILE_ATTRIBUTE = "currentKeymap";
53
54 private static ShortcutsFolder shortcutsFolder;
55 private Listener listener = new Listener ();
56 private FileObject profilesFileObject;
57 private FileObject shortcutsFileObject;
58 private FileObject currentFolder;
59 private Logger debug = Logger.getLogger(ShortcutsFolder.class.getName ());
60
61
62 static void initShortcuts () {
63 if (shortcutsFolder != null) return;
64 shortcutsFolder = new ShortcutsFolder ();
65 }
66
67 private ShortcutsFolder () {
68 try {
69 FileObject root = Repository.getDefault ().
70 getDefaultFileSystem ().getRoot ();
71 profilesFileObject = root.getFileObject (PROFILES_FOLDER);
72 if (profilesFileObject == null)
73 profilesFileObject = root.createFolder (PROFILES_FOLDER);
74 profilesFileObject.addFileChangeListener (listener);
75
76 shortcutsFileObject = root.getFileObject (SHORTCUTS_FOLDER);
77 if (shortcutsFileObject == null)
78 shortcutsFileObject = root.createFolder (SHORTCUTS_FOLDER);
79 shortcutsFileObject.addFileChangeListener (listener);
80 } catch (IOException ex) {
81 Exceptions.printStackTrace(ex);
82 }
83 refresh ();
84 }
85
86 static void waitFinished () {
87 shortcutsFolder.listener.task.waitFinished ();
88 }
89
90 private void refresh () {
91
92 NbKeymap keymap = (NbKeymap) Lookup.getDefault ().lookup (Keymap .class);
94 keymap.removeBindings ();
95
96 readShortcuts (keymap, shortcutsFileObject);
98
99 String keymapName = (String ) profilesFileObject.getAttribute
101 (CURRENT_PROFILE_ATTRIBUTE);
102 if (keymapName == null || "".equals (keymapName))
103 keymapName = "NetBeans"; if (currentFolder != null)
105 currentFolder.removeFileChangeListener (listener);
106 currentFolder = Repository.getDefault ().getDefaultFileSystem ().
107 getRoot ().getFileObject (PROFILES_FOLDER + '/' + keymapName);
108 if (currentFolder == null) {
109 try {
110 currentFolder = profilesFileObject.createFolder(keymapName);
111 } catch (IOException ioe) {
112 Exceptions.printStackTrace(ioe);
113 }
114 }
115 if (currentFolder != null) {
116 readShortcuts (keymap, currentFolder);
117 currentFolder.addFileChangeListener (listener);
119 }
120 }
121
122
123 private void readShortcuts (NbKeymap keymap, FileObject fileObject) {
124 debug.fine("\nreadShortcuts " + fileObject);
125 DataFolder folder = DataFolder.findFolder (fileObject);
126 Enumeration en = folder.children (false);
127 while (en.hasMoreElements ()) {
128 DataObject dataObject = (DataObject) en.nextElement ();
129 if (dataObject instanceof DataFolder) continue;
130 InstanceCookie ic = (InstanceCookie) dataObject.getCookie
131 (InstanceCookie.class);
132 if (ic == null) continue;
133 try {
134 Action action = (Action ) ic.instanceCreate ();
135 String shortcuts = dataObject.getName ();
136 debug.fine(" " + shortcuts + " : " + action);
137 KeyStroke [] keyStrokes = Utilities.stringToKeys (shortcuts);
138 if (keyStrokes != null) {
139 addShortcut(keymap, action, keyStrokes);
140 } else { debug.warning("Unrecognized shortcut name from " + dataObject.getPrimaryFile().getPath()); }
143 } catch (ClassNotFoundException x) {
144 Logger.getLogger(ShortcutsFolder.class.getName()).log(Level.WARNING,
145 "{0} ignored; cannot load class {1}",
146 new Object [] {dataObject.getPrimaryFile().getPath(), ic.instanceName()});
147 } catch (Exception ex) {
148 Logger.getLogger(ShortcutsFolder.class.getName()).log(Level.WARNING, null, ex);
149 }
150 }
151 }
152
153 private static void addShortcut (
154 NbKeymap keymap,
155 Action action,
156 KeyStroke [] keyStrokes
157 ) {
158 Keymap currentKeymap = keymap;
159 int i, k = keyStrokes.length - 1;
160 for (i = 0; i < k; i++) {
161 Action a = currentKeymap.getAction (keyStrokes [i]);
162 if (a == null) {
163 a = keymap.createMapAction
164 (new NbKeymap.SubKeymap (null), keyStrokes [i]);
165 currentKeymap.addActionForKeyStroke (keyStrokes [i], a);
166 }
167 if (!(a instanceof KeymapAction)) return;
168 currentKeymap = ((KeymapAction) a).getSubMap ();
169 }
170 currentKeymap.addActionForKeyStroke (keyStrokes [k], action);
171 }
172
173 private class Listener extends FileChangeAdapter implements Runnable {
174
175 private RequestProcessor.Task task = new RequestProcessor ("ShortcutsFolder").create (this);
176
177 public void run () {
178 refresh ();
179 }
180
181 public void fileDataCreated (FileEvent fe) {
182 task.schedule (500);
183 }
184
185 public void fileChanged (FileEvent fe) {
186 task.schedule (500);
187 }
188
189 public void fileDeleted (FileEvent fe) {
190 task.schedule (500);
191 }
192
193 public void fileAttributeChanged (FileAttributeEvent fe) {
194 if (fe.getName () != null &&
195 !CURRENT_PROFILE_ATTRIBUTE.equals (fe.getName ())
196 ) return;
197 task.schedule (500);
198 }
199 }
200 }
201 |
Popular Tags |
Java API By Example, From Geeks To Geeks.