Rationalize Dart mojo and sky package structure

sky/framework/editing/editable_text.dart

Index: sky/framework/editing/editable_text.dart
diff --git a/sky/framework/editing/editable_text.dart b/sky/framework/editing/editable_text.dart
deleted file mode 100644
index c8a7bf7ed91577f701c82871e3043cd5c52e7570..0000000000000000000000000000000000000000
--- a/sky/framework/editing/editable_text.dart
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import '../fn.dart';
-import '../theme/colors.dart';
-import 'dart:async';
-import 'editable_string.dart';
-
-class EditableText extends Component {
-
-  static final Style _cursorStyle = new Style('''
-    width: 2px;
-    height: 1.2em;
-    vertical-align: top;
-    background-color: ${Blue[500]};'''
-  );
-
-  static final Style _composingStyle = new Style('''
-    text-decoration: underline;'''
-  );
-
-  EditableString value;
-  bool focused;
-  Timer _cursorTimer;
-  bool _showCursor = false;
-
-  EditableText({Object key, this.value, this.focused})
-      : super(key: key, stateful: true) {
-    onDidUnmount(() {
-      if (_cursorTimer != null)
-        _stopCursorTimer();
-    });
-  }
-
-  void _cursorTick(Timer timer) {
-    setState(() {
-      _showCursor = !_showCursor;
-    });
-  }
-
-  void _startCursorTimer() {
-    _showCursor = true;
-    _cursorTimer = new Timer.periodic(
-        new Duration(milliseconds: 500), _cursorTick);
-  }
-
-  void _stopCursorTimer() {
-    _cursorTimer.cancel();
-    _cursorTimer = null;
-    _showCursor = false;
-  }
-
-  UINode build() {
-    if (focused && _cursorTimer == null)
-      _startCursorTimer();
-    else if (!focused && _cursorTimer != null)
-      _stopCursorTimer();
-
-    List<UINode> children = new List<UINode>();
-
-    if (!value.composing.isValid) {
-      children.add(new TextFragment(value.text));
-    } else {
-      String beforeComposing = value.textBefore(value.composing);
-      if (!beforeComposing.isEmpty)
-        children.add(new TextFragment(beforeComposing));
-
-      String composing = value.textInside(value.composing);
-      if (!composing.isEmpty) {
-        children.add(new TextFragment(
-          composing,
-          key: 'composing',
-          style: _composingStyle
-        ));
-      }
-
-      String afterComposing = value.textAfter(value.composing);
-      if (!afterComposing.isEmpty)
-        children.add(new TextFragment(afterComposing));
-    }
-
-    if (_showCursor)
-      children.add(new Container(key: 'cursor', style: _cursorStyle));
-
-    return new Paragraph(
-      children: children
-    );
-  }
-}