Calculator App for ChromeOS with fixes for templates/CSS to support this application.

samples/calculator/settings.dart

+// Copyright (c) 2012, 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.
+
+class Settings {
+  // theme values:
+  static final THEME_SIMPLE = 1;
+  static final THEME_BUTTON = 2;
+
+  SettingsDialog ui;
+  int theme;

[Jacob, 2012/04/05 18:06:01]

looks like 
int theme;
could be private

+
+  bool _dialogOpened;
+
+  Settings(this.ui, this.theme) : _dialogOpened = false {
+    ui.settings.on.click.add((MouseEvent e) {
+      mySettings.dialog();
+      e.cancelBubble = true;
+    });
+    ui.simpleTitle.on.click.add((MouseEvent e) {
+      ui.simple.checked = true;
+    });
+    ui.buttonTitle.on.click.add((MouseEvent e) {
+      ui.buttons.checked = true;
+    });
+
+  }
+
+  /**
+   * Settings dialog
+   */
+  void dialog() {
+    decorateDropdown();
+
+    if (!_dialogOpened) {
+      ui.simple.checked = theme == THEME_SIMPLE;
+      ui.buttons.checked = theme == THEME_BUTTON;
+
+      ui.settingsDialog.style.visibility = "visible";
+
+      _dialogOpened = true;
+    } else {
+      close();
+    }
+  }
+
+  void decorateDropdown() {
+    ui.settings.style.backgroundColor = _dialogOpened ?
+      "transparent" : "#333";

[Jacob, 2012/04/05 18:06:01]

make #333 a constant at the top of the file

+  }
+
+  bool get isOpen() => _dialogOpened;
+
+  /*
+   * Optional MouseEvent if passed if the source of event is from outside of
+   * the dialog then the dialog can be closed.
+   */
+  void close([MouseEvent e]) {
+    if (isOpen) {
+      if (ui.simple.checked) {
+        theme = THEME_SIMPLE;
+      } else if (ui.buttons.checked) {
+        theme = THEME_BUTTON;
+      }
+
+      if (e == null || !ui.settingsDialog.contains(e.srcElement)) {
+        decorateDropdown();
+        ui.settingsDialog.style.visibility = "hidden";
+        _dialogOpened = false;
+      }
+    }
+  }
+
+  bool get isSimple() => theme == THEME_SIMPLE;
+  bool get isButton() => theme == THEME_BUTTON;
+
+}