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

samples/total/client/CSVReader.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.
-
-class CSVReader extends Reader {
-
-  CSVReader() : super() { }
-
-  void loadSpreadsheet(Spreadsheet spreadsheet, List<String> csv) {
-    Style defaultFormat = new Style();
-    // Hardcode $1000.12 format for now
-    Style currencyFormat = defaultFormat.setNumericFormatByIndex(4);
-    // Use % format for the interest rate
-    Style percentageFormat = defaultFormat.setNumericFormatByIndex(8);
-    for (int row = 0; row < csv.length; row++) {
-      List<String> cells = StringUtils.split(csv[row], ",".charCodeAt(0));
-      for (int col = 0; col < cells.length; col++) {
-        String formula = cells[col];
-        RowCol rowCol = new RowCol(row + 1, col + 1);
-        CellLocation location = new CellLocation(spreadsheet, rowCol);
-        spreadsheet.execute(new SetCellContentsCommand(location, formula));
-        if ((row == 1 && (col == 0 || col == 3)) || (row > 2 && col > 0)) {
-          spreadsheet.setCellStyle(location.rowCol, currencyFormat);
-        } else if (row == 2 && col == 2) {
-          spreadsheet.setCellStyle(location.rowCol, percentageFormat);
-        } else {
-          spreadsheet.setCellStyle(location.rowCol,  defaultFormat);
-        }
-      }
-    }
-  }
-
-  List<String> makeExample(String id) {
-    int years = 30;
-    int payments = years * 12;
-    List<String> csv = new List<String>(payments + 4);
-    csv[0] = "\"Loan Amount\",\"Interest Rate\",\"Years\",\"Monthly Payment\"";
-    csv[1] = "375000,.05375,${years},\"=ROUND((R2C1*((R2C2/12)/(1-POWER((1+(R2C2/12)),"
-        + "(-12*R2C3))))),2)\"";
-    csv[2] = "\"Payment #\",\"Balance\",\"Interest\",\"Principal\"";
-    csv[3] = "1,\"=R2C1\",\"=(RC[-1]*R2C2)/12\",\"=R2C4-RC[-1]\"";
-    for (int i = 4; i < payments + 3; i++) {
-      csv[i] = "\"=R[-1]C+1\",\"=R[-1]C-R[-1]C[2]\",\"=(RC[-1]*R2C2)/12\",\"=R2C4-RC[-1]\"";
-    }
-    csv[payments + 3] = "\"Totals\",\"=C364+D364\",\"=SUM(C4:C363)\",\"=SUM(D4:D363)\"";
-    return csv;
-  }
-}