Remove service-compiler related code.

samples/todomvc/todomvc_impl.dart

-// Copyright (c) 2015, the Dartino 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.md file.
-
-import 'model.dart';
-import 'dart/todomvc_presenter.dart';
-import 'dart/todomvc_presenter_model.dart';
-
-import 'dart/presentation_graph.dart' as node;
-
-class ItemPair {
-  final Item item;
-  final Immutable presentation;
-  ItemPair(this.item, this.presentation);
-}
-
-class TodoMVCImpl extends TodoMVCPresenter {
-
-  Model _model = new Model();
-
-  TodoMVCImpl() {
-    _model.createItem("My default todo");
-    _model.createItem("Some other todo");
-  }
-
-  void createItem(title) {
-    _model.createItem(title.str);
-  }
-
-  void clearItems() {
-    _model.clearItems();
-  }
-
-  // Cache of previously drawn items.
-  // TODO(zerny): use a map once we have a proper implementation.
-  List<ItemPair> _cachePrevious = new List();
-  List<ItemPair> _cacheCurrent = new List();
-
-  Immutable _lookup(Item item, int index) {
-    // Look for a cached item in the range [index; index + 1]
-    for (var i = 0; i < 2; ++i) {
-      var j = index + i;
-      if (j >= _cachePrevious.length) return null;
-      ItemPair cached = _cachePrevious[j];
-      if (cached.item == item) return cached.presentation;
-    }
-    return null;
-  }
-
-  void _add(int index, Item item, Immutable presentation) {
-    _cacheCurrent[index] = new ItemPair(item, presentation);
-  }
-
-  Immutable render(previous) {
-    // Swap previous and current cache and resize current to model-item count.
-    var tmp = _cachePrevious;
-    tmp.length = _model.todos.length;
-    _cachePrevious = _cacheCurrent;
-    _cacheCurrent = tmp;
-    return _renderList(0, previous);
-  }
-
-  Immutable _renderList(int index, Immutable previous) =>
-    (index == _model.todos.length)
-      ? node.nil(previous)
-      : node.cons(
-          _renderItemFromCache(index, node.getConsFst(previous)),
-          _renderList(index + 1, node.getConsSnd(previous)),
-          null,
-          null,
-          null,
-          previous);
-
-  Immutable _renderItemFromCache(int index, Immutable previous) {
-    Item item = _model.todos[index];
-    Cons cached = _lookup(item, index);
-    Immutable current = (cached == null)
-        ? _renderItem(item, previous)
-        : node.cons(
-              node.str(item.title, cached.fst),
-              node.truth(item.done, cached.snd),
-              // Reuse the handlers since we know that item is the same as the
-              // item used for the creating the cached handlers.
-              cached.deleteEvent,
-              cached.completeEvent,
-              cached.uncompleteEvent,
-              cached);
-    _add(index, item, current);
-    return current;
-  }
-
-  Immutable _renderItem(Item item, Immutable previous) =>
-    node.cons(
-        node.str(item.title, node.getConsFst(previous)),
-        node.truth(item.done, node.getConsSnd(previous)),
-        new EventHandler(() { _model.todos.remove(item); }),
-        new EventHandler(item.complete),
-        new EventHandler(item.uncomplete));
-}