Delete proxy and total samples, which have bit-rotted.

samples/total/client/GeneralCommand.dart

Index: samples/total/client/GeneralCommand.dart
===================================================================
--- samples/total/client/GeneralCommand.dart	(revision 9011)
+++ samples/total/client/GeneralCommand.dart	(working copy)
@@ -1,145 +0,0 @@
-// 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.
-
-/**
- * A function type for the action of a [GeneralCommand]
- */
-typedef void ActionFunction();
-
-/**
- * A [Command] that calls a supplied action function to modify the spreadsheet.
- *
- * This class holds the entire sequence of cell operations - change contents and change style -
- * used to exact the action. The command will take care of marking changed cells as dirty.
- *
- * Note that only cell modifications are tracked. For example, changes to the row/column
- * sizes that occur in the action function are not tracked by the spreadsheet.
- */
-class GeneralCommand extends Command {
-
-  ActionFunction _action;
-  List<UndoableAction> _deltas;
-
-  // This is here to handle derived classes that have their own action
-  // function that cannot be passed during construction.
-  void set action(ActionFunction action) {
-    _action = action;
-  }
-
-  /**
-   * Create a new command with the given action and a description.
-   */
-  GeneralCommand(Spreadsheet spreadsheet, this._action, String description)
-      : super(spreadsheet, description) {
-  }
-
-  void execute() {
-    _deltas = new List<UndoableAction>();
-    _spreadsheet.trackDeltas(_deltas);
-
-    // Perform the action on the spreadsheet
-    _action();
-    _spreadsheet.trackDeltas(null);
-
-    print("${_deltas.length} deltas");
-  }
-
-  void unexecute() {
-    // Revert content changes
-    int count = _deltas.length;
-    for (int i = count - 1; i >= 0; --i) {
-      _deltas[i].undoAction(_spreadsheet);
-    };
-    _deltas = null;
-  }
-}
-
-/**
- * A command to remove a block of cells and shift cells up to fill the gap.
- */
-class RemoveBlockAndShiftUpCommand extends GeneralCommand {
-  RowCol _maxCorner;
-  RowCol _minCorner;
-
-  /**
-   * Create a new command.
-   *
-   * [minCorner] is the top left corner of the block to remove, while [maxCorner] is the
-   * bottom right corner. The removed block includes both corners.
-   */
-  RemoveBlockAndShiftUpCommand(Spreadsheet spreadsheet, this._minCorner, this._maxCorner)
-      : super(spreadsheet, null, "Remove/Shift Up") {
-    // Set the action here because we cannot reference a field (_spreadheet) in the super call.
-    action = () {
-      _spreadsheet.removeBlockAndShiftUp(_minCorner, _maxCorner);
-    };
-  }
-}
-
-/**
- * A command to remove a block of cells and shift cells left to fill the gap.
- */
-class RemoveBlockAndShiftLeftCommand extends GeneralCommand {
-  RowCol _maxCorner;
-  RowCol _minCorner;
-
-  /**
-   * Create a new command.
-   *
-   * [minCorner] is the top left corner of the block to remove, while [maxCorner] is the
-   * bottom right corner. The removed block includes both corners.
-   */
-  RemoveBlockAndShiftLeftCommand(Spreadsheet spreadsheet, this._minCorner, this._maxCorner)
-      : super(spreadsheet, null, "Remove/Shift Left") {
-    // Set the action here because we cannot reference a field (_spreadheet) in the super call.
-    action = () {
-      _spreadsheet.removeBlockAndShiftLeft(_minCorner, _maxCorner);
-    };
-  }
-}
-
-/**
- * The command for removing columns from the spreadsheet.
- */
-class RemoveColumnsCommand extends GeneralCommand {
-  int _maxColumn;
-  int _minColumn;
-
-  /**
-   * Create a new command.
-   *
-   * [minColumn] is the leftmost column to remove, while [maxColumn] is the rightmost
-   * column to be removed.
-   */
-  RemoveColumnsCommand(Spreadsheet spreadsheet, this._minColumn, this._maxColumn)
-      : super(spreadsheet, null, "Remove Columns") {
-    // Set the action here because we cannot reference a field (_spreadheet) in the super call.
-    action = () {
-      _spreadsheet.removeColumns(_minColumn, _maxColumn);
-    };
-  }
-}
-
-/**
- * The command for removing rows from the spreadsheet.
- */
-class RemoveRowsCommand extends GeneralCommand {
-  Map<CellLocation, Formula> _changedFormulas;
-  int _maxRow;
-  int _minRow;
-
-  /**
-   * Create a new command.
-   *
-   * [minRow] is the topmost row to remove, while [maxRow] is the bottommost
-   * row to be removed.
-   */
-  RemoveRowsCommand(Spreadsheet spreadsheet, this._minRow, this._maxRow)
-      : super(spreadsheet, null, "Remove Rows") {
-    // Set the action here because we cannot reference a field (_spreadheet) in the super call.
-    action = () {
-      _spreadsheet.removeRows(_minRow, _maxRow);
-    };
-  }
-}