| // Copyright (c) 2014, 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_tree_element; |
| |
| import 'observatory_element.dart'; |
| import 'dart:html'; |
| import 'package:logging/logging.dart'; |
| import 'package:observatory/app.dart'; |
| import 'package:observatory/service.dart'; |
| import 'package:polymer/polymer.dart'; |
| |
| class ClassTreeRow extends TableTreeRow { |
| @reflectable final Isolate isolate; |
| @reflectable final Class cls; |
| ClassTreeRow(this.isolate, this.cls, TableTree tree, ClassTreeRow parent) |
| : super(tree, parent) { |
| assert(isolate != null); |
| assert(cls != null); |
| } |
| |
| void onShow() { |
| super.onShow(); |
| if (children.length == 0) { |
| for (var subclass in cls.subclasses) { |
| if (subclass.isPatch) { |
| continue; |
| } |
| var row = new ClassTreeRow(isolate, subclass, tree, this); |
| children.add(row); |
| } |
| } |
| var classCell = flexColumns[0]; |
| classCell.style.justifyContent = 'flex-start'; |
| var classRef = new Element.tag('class-ref'); |
| classRef.ref = cls; |
| classRef.style.alignSelf = 'center'; |
| classCell.children.add(classRef); |
| } |
| |
| bool hasChildren() { |
| return cls.subclasses.length > 0; |
| } |
| } |
| |
| |
| @CustomTag('class-tree') |
| class ClassTreeElement extends ObservatoryElement { |
| @observable Isolate isolate; |
| |
| TableTree tree; |
| |
| ClassTreeElement.created() : super.created(); |
| |
| @override |
| void attached() { |
| super.attached(); |
| var tableBody = shadowRoot.querySelector('#tableTreeBody'); |
| assert(tableBody != null); |
| tree = new TableTree(tableBody, 1); |
| if (isolate != null) { |
| _update(isolate.objectClass); |
| } |
| } |
| |
| isolateChanged(oldValue) { |
| isolate.getClassHierarchy().then((objectClass) { |
| _update(objectClass); |
| }); |
| } |
| |
| void _update(Class root) { |
| try { |
| var rootRow = new ClassTreeRow(isolate, root, tree, null); |
| rootRow.children.add(new ClassTreeRow(isolate, root, tree, rootRow)); |
| tree.initialize(rootRow); |
| } catch (e, stackTrace) { |
| Logger.root.warning('_update', e, stackTrace); |
| } |
| // Check if we only have one node at the root and expand it. |
| if (tree.rows.length == 1) { |
| tree.toggle(tree.rows[0]); |
| } |
| notifyPropertyChange(#tree, null, tree); |
| } |
| } |