Converted Observatory refs elements

runtime/observatory/lib/src/elements/instance_ref_wrapper.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.
+
+import 'dart:html';
+
+import 'package:observatory/app.dart';
+import 'package:observatory/repositories.dart';
+import 'package:observatory/service_html.dart' show Instance;
+import 'package:observatory/src/elements/instance_ref.dart';
+import 'package:observatory/src/elements/helpers/tag.dart';
+import 'package:observatory/src/elements/shims/binding.dart';
+
+@bindable
+class InstanceRefElementWrapper extends HtmlElement {
+
+  static const binder = const Binder<InstanceRefElementWrapper>(const {
+      'ref': #ref
+    });
+
+  static const tag = const Tag<InstanceRefElementWrapper>('instance-ref');
+
+  Instance _instance;
+  Instance get ref => _instance;
+  void set ref(Instance ref) {
+    _instance = ref;
+    render();
+  }
+
+  InstanceRefElementWrapper.created() : super.created() {
+    binder.registerCallback(this);
+    createShadowRoot();
+    render();
+  }
+
+  @override
+  void attached() {
+    super.attached();
+    render();
+  }
+
+  void render() {
+    shadowRoot.children = [];
+    if (ref == null) return;
+
+    shadowRoot.children = [
+      new StyleElement()
+        ..text = '''
+        instance-ref-wrapped a[href]:hover {
+            text-decoration: underline;
+        }
+        instance-ref-wrapped a[href] {
+            color: #0489c3;
+            text-decoration: none;
+        }
+        instance-ref-wrapped .empathize {
+          font-style: italic;
+        }
+        instance-ref-wrapped .indent {
+          margin-left: 1.5em;
+          font: 400 14px 'Montserrat', sans-serif;
+          line-height: 150%;
+        }
+        instance-ref-wrapped .stackTraceBox {
+          margin-left: 1.5em;
+          background-color: #f5f5f5;
+          border: 1px solid #ccc;
+          padding: 10px;
+          font-family: consolas, courier, monospace;
+          font-size: 12px;
+          white-space: pre;
+          overflow-x: auto;
+        }''',
+      new InstanceRefElement(_instance.isolate, _instance,
+                             new InstanceRepository(_instance.isolate),
+                             queue: ObservatoryApplication.app.queue)
+    ];
+  }
+}