Changes to run Swarm from the Editor and to suppress warnings.

samples/swarm/DataSource.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /** The top-level collection of all sections for a user. */
 // TODO(jimhug): This is known as UserData in the server model.
 class Sections implements Collection<Section> {
   final List<Section> _sections;
 
   Sections(this._sections);
@@ skipping 21 matching lines @@
   Iterator<Section> iterator() => _sections.iterator();
 
   // TODO(jimhug): Better support for switching between local dev and server.
   static bool get runningFromFile() {
     return window.location.protocol.startsWith('file:');
   }
 
   static String get home() {
     // TODO(jmesserly): window.location.origin not available on Safari 4.
     // Move this workaround to the DOM code. See bug 5389503.
-    return window.location.protocol + '//' + window.location.host;
+    return '${window.location.protocol}//${window.location.host}';
   }
 
   // This method is exposed for tests.
   static void initializeFromData(String data, void callback(Sections sects)) {
     final decoder = new Decoder(data);
     int nSections = decoder.readInt();
     final sections = new List<Section>();
 
     for (int i=0; i < nSections; i++) {
       sections.add(Section.decode(decoder));
     }
     callback(new Sections(sections));
   }
 
   static void initializeFromUrl(void callback(Sections sections)) {
     if (Sections.runningFromFile) {
       initializeFromData(CannedData.data['user.data'], callback);
     } else {
       // TODO(jmesserly): display an error if we fail here! Silent failure bad.
-      new XMLHttpRequest.get('$home/data/user.data',
+      new XMLHttpRequest.get('data/user.data',
           EventBatch.wrap((request) {
         // TODO(jimhug): Nice response if get error back from server.
         // TODO(jimhug): Might be more efficient to parse request in sections.
         initializeFromData(request.responseText, callback);
       }));
     }
   }
 
   Section findSectionById(String id) {
     return CollectionUtils.find(_sections, (section) => section.id == id);
@@ skipping 115 matching lines @@
       this.srcUrl, this.hasThumbnail, this.textBody,
       [this._htmlBody = null, bool unread = true, this.error = false])
     : unread = new ObservableValue<bool>(unread);
 
   String get htmlBody() {
     _ensureLoaded();
     return _htmlBody;
   }
 
   String get dataUri() {
-    return Uri.encodeComponent(id).replaceAll(
-          ',', '%2C').replaceAll('%2F', '/');
+    return Uri.encodeComponent(id).replaceAll('%2F', '/').
+        replaceAll('%253A', '%3A');
   }
 
   String get thumbUrl() {
     if (!hasThumbnail) return null;
 
     var home;
     if (Sections.runningFromFile) {
       home = 'http://dart.googleplex.com';
     } else {
       home = Sections.home;
     }
     // By default images from the real server are cached.
     // Bump the version flag if you change the thumbnail size, and you want to
     // get the new images. Our server ignores the query params but it gets
     // around appengine server side caching and the client side cache.
-    return '$home/data/$dataUri.jpg?v=0';
+    return 'data/$dataUri.jpg';
   }
 
   // TODO(jimhug): need to return a lazy Observable<String> and also
   //   add support for preloading.
   void _ensureLoaded() {
     if (_htmlBody !== null) return;
 
     var name = '$dataUri.html';
     if (Sections.runningFromFile) {
       _htmlBody = CannedData.data[name];
     } else {
       // TODO(jimhug): Remove this truly evil synchronoush xhr.
       final req = new XMLHttpRequest();
-      req.open('GET', '${Sections.home}/data/$name', false);
+      req.open('GET', 'data/$name', false);
       req.send();
       _htmlBody = req.responseText;
     }
   }
 
   static Article decodeHeader(Feed source, Decoder decoder) {
     final id = decoder.readString();
     final title = decoder.readString();
     final srcUrl = decoder.readString();
     final hasThumbnail = decoder.readBool();
     final author = decoder.readString();
     final dateInSeconds = decoder.readInt();
     final snippet = decoder.readString();
     final date = new Date.fromEpoch(dateInSeconds*1000, isUtc: true);
     return new Article(source, id, date, title, author, srcUrl, hasThumbnail,
         snippet);
   }
 }