Dartest CL - Please review

client/samples/total/src/TotalLib.dart

 // Copyright (c) 2011, 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("TotalLib");
 #import("dart:html");
 
 #source("Cell.dart");
 #source("CellContents.dart");
 #source("CellLocation.dart");
@@ skipping 33 matching lines @@
 #source("SpreadsheetLayout.dart");
 #source("SpreadsheetListener.dart");
 #source("SpreadsheetPresenter.dart");
 #source("StringUtils.dart");
 #source("Style.dart");
 #source("SYLKReader.dart");
 #source("UndoStack.dart");
 #source("Value.dart");
 #source("ValuePicker.dart");
 #source("ZoomTracker.dart");
+
+class Total {
+  static final int DEFAULT_VISIBLE_COLUMNS = 10;
+  static final int DEFAULT_VISIBLE_ROWS = 25;
+
+  Spreadsheet _spreadsheet;
+  SpreadsheetPresenter _presenter;
+
+  Total() {
+    Element recalcButton = document.query("#recalcButton");
+    recalcButton.innerHTML = "Recalculate";
+    recalcButton.on.click.add((Event e) {
+      _presenter.recalculateAll();
+    });
+  }
+
+  void run() {
+    _spreadsheet = new Spreadsheet();
+    SYLKReader reader = new SYLKReader();
+    reader.request("mortgage", (String data) {
+        reader.loadFromString(_spreadsheet, data);
+        _presenter = new SpreadsheetPresenter(_spreadsheet, window,
+            0, 0, DEFAULT_VISIBLE_ROWS, DEFAULT_VISIBLE_COLUMNS);
+        _spreadsheet.setListener(_presenter);
+        _presenter.recalculateViewport();
+      });
+  }
+}