Converted Observatory refs elements

runtime/observatory/lib/src/elements/token_stream_ref.dart

 // Copyright (c) 2013, 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.
 
-library class_ref_element;
-
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M
-  show IsolateRef, ClassRef;
+  show IsolateRef, TokenStreamRef;
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/helpers/uris.dart';
 
-class ClassRefElement extends HtmlElement implements Renderable {
-  static const tag = const Tag<ClassRefElement>('class-ref-wrapped');
+class TokenStreamRefElement extends HtmlElement implements Renderable {
+  static const tag = const Tag<TokenStreamRefElement>('token-stream-ref');
 
-  RenderingScheduler<ClassRefElement> _r;
+  RenderingScheduler<TokenStreamRefElement> _r;
 
-  Stream<RenderedEvent<ClassRefElement>> get onRendered => _r.onRendered;
+  Stream<RenderedEvent<TokenStreamRefElement>> get onRendered => _r.onRendered;
 
   M.IsolateRef _isolate;
-  M.ClassRef _class;
+  M.TokenStreamRef _token;
 
   M.IsolateRef get isolate => _isolate;
-  M.ClassRef get cls => _class;
+  M.TokenStreamRef get token => _token;
 
-  factory ClassRefElement(M.IsolateRef isolate, M.ClassRef cls,
+  factory TokenStreamRefElement(M.IsolateRef isolate, M.TokenStreamRef token,
       {RenderingQueue queue}) {
     assert(isolate != null);
-    assert(cls != null);
-    ClassRefElement e = document.createElement(tag.name);
+    assert(token != null);
+    TokenStreamRefElement e = document.createElement(tag.name);
     e._r = new RenderingScheduler(e, queue: queue);
     e._isolate = isolate;
-    e._class = cls;
+    e._token = token;
     return e;
   }
 
-  ClassRefElement.created() : super.created();
+  TokenStreamRefElement.created() : super.created();
 
   @override
   void attached() {
     super.attached();
     _r.enable();
   }
 
   @override
   void detached() {
     super.detached();
     _r.disable(notify: true);
     children = [];
   }
 
   void render() {
+    final text = (_token.name == null || _token.name == '')
+      ? 'TokenStream'
+      : _token.name;
     children = [
-      new AnchorElement(href: Uris.inspect(_isolate, object: _class))
-        ..text = _class.name
+      new AnchorElement(href: Uris.inspect(_isolate, object: _token))
+        ..text = text
     ];
   }
 }