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

samples/total/client/HtmlTable.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.
-
-/**
- * A class encapsulating the managemnet of the Html [:<table>:] representing the spreadsheet grid.
- */
-class HtmlTable {
-
-  DivElement _formulaCellSelectingDiv;
-  Spreadsheet _spreadsheet;
-  TableElement _table;
-
-  // Must be called after the creation of the <tbody> element
-  DivElement get formulaCellSelectingDiv() {
-    if (_formulaCellSelectingDiv == null) {
-      _formulaCellSelectingDiv = new Element.tag("div");
-      _formulaCellSelectingDiv.id = "formulaSelectingCell-${_spreadsheet.name}";
-      _formulaCellSelectingDiv.attributes["class"] = "formulaSelectingCell";
-    }
-    _table.nodes.add(_formulaCellSelectingDiv);
-    return _formulaCellSelectingDiv;
-  }
-
-  // FIXME
-  ElementEvents get on() => _table.on;
-
-  HtmlTable(this._spreadsheet, Element parent) {
-    Document doc = parent.document;
-
-    _table = new Element.tag("table");
-    _table.attributes["class"] = "spreadsheet";
-    _table.style.setProperty("position", "absolute");
-    _table.style.setProperty("z-index", "2");
-    _table.style.setProperty("left", "0");
-    _table.style.setProperty("top", "0");
-
-    parent.nodes.add(_table);
-  }
-
-  void addColumn(int col, int columnWidth) {
-    Document doc = _table.document;
-    bool first = true;
-    for (TableRowElement row in _table.rows) {
-      TableCellElement cell;
-      if (first) {
-        first = false;
-        cell = new Element.tag("td");
-        cell.width = HtmlUtils.toPx(columnWidth);
-        row.insertBefore(cell, row.cells[col]);
-      } else {
-        cell = row.insertCell(col);
-      }
-    }
-  }
-
-  void addRow(int row, int columns) {
-    TableRowElement rowElement = _table.insertRow(row);
-    rowElement.style.setProperty("height", HtmlUtils.toPx(CssStyles.DEFAULT_ROW_HEIGHT));
-    for (int col = 0; col <= columns; col++) {
-      TableCellElement cell = rowElement.insertCell(col);
-      // If the row being added is the first row, set the column widths
-      if (row == 0) {
-        cell.width = HtmlUtils.toPx(_spreadsheet.getColumnWidth(col));
-      }
-    }
-  }
-
-  // FIXME
-  void appendChild(Node child) {
-    _table.nodes.add(child);
-  }
-
-  void deleteRow(int index) {
-    _table.deleteRow(index);
-  }
-
-  Future<ElementRect> get rect() => _table.rect;
-
-  // FIXME?
-  TableRowElement getRowElement(int row) => _table.rows[row];
-
-  // Add or remove a class name from a table cell.
-  void modifyClasses(Set<CellLocation> locations, String className, bool add,
-      int rows, int columns, int rowShift, int columnShift) {
-    List<Node> tableRows = _table.rows;
-    locations.forEach((CellLocation loc) {
-      if (!_inView(loc.rowCol, rows, columns, rowShift, columnShift)) {
-        return;
-      }
-      TableRowElement rowElement = tableRows[loc.row - rowShift];
-      TableCellElement cellElement = rowElement.cells[loc.col - columnShift];
-      if (add) {
-        cellElement.classes.add(className);
-      } else {
-        cellElement.classes.remove(className);
-      }
-    });
-  }
-
-  int numRows() => _table.rows.length;
-
-  int redraw(SelectionManager selectionManager,
-      int rows, int columns, int rowShift, int columnShift, int cellDisplay) {
-    List<Node> tableRows = _table.rows;
-    TableRowElement tableHeaderRow = tableRows[0];
-    List<Node> tableHeaderCells = tableHeaderRow.cells;
-    TableRowElement rowElement;
-    TableCellElement cellElement;
-    DOMTokenList cellClasses;
-
-    redrawHeaders(selectionManager, rows, columns, rowShift, columnShift, cellDisplay);
-
-    int rendered = 0;
-
-    // Render dirty cells
-    _spreadsheet.forEachDirtyCell((RowCol rowCol) {
-      if (!_inView(rowCol, rows, columns, rowShift, columnShift)) {
-        return;
-      }
-      rowElement = tableRows[rowCol.row - rowShift];
-      cellElement = rowElement.cells[rowCol.col - columnShift];
-      Cell cell = _spreadsheet.getCell(rowCol);
-      if (cell != null && cellDisplay == SpreadsheetPresenter.CELL_DISPLAY_VALUES) {
-        Style style = cell.style;
-        CSSStyleDeclaration cssStyle = cellElement.style;
-        setCellStyle(style, cssStyle);
-      } else {
-        cellElement.attributes.remove("style");
-      }
-
-      if (cell != null) {
-        // Force recalculation
-        String html = cell.toHtml();
-        switch (cellDisplay) {
-        case SpreadsheetPresenter.CELL_DISPLAY_VALUES:
-          break;
-        case SpreadsheetPresenter.CELL_DISPLAY_CONTENTS:
-          if (cell.isEmpty()) {
-            html = "<i>empty</i>";
-          } else if (cell.isFormula()) {
-            html = "${HtmlUtils.quoteHtml(cell.getContentString())}";
-          } else {
-            html = "&quot;${HtmlUtils.quoteHtml(cell.getContentString())}&quot;";
-          }
-          break;
-        case SpreadsheetPresenter.CELL_DISPLAY_PASTE_CONTENTS:
-          if (cell.isEmpty()) {
-            html = "<i>empty</i>";
-          } else {
-            html = HtmlUtils.quoteHtml(cell.getPasteContent());
-          }
-          break;
-        case SpreadsheetPresenter.CELL_DISPLAY_STYLES:
-          html = cell.getStyleAsHtml();
-          break;
-        case SpreadsheetPresenter.CELL_DISPLAY_DATATYPE:
-          html = HtmlUtils.quoteHtml(cell.getDatatypeAsString());
-          break;
-        case SpreadsheetPresenter.CELL_DISPLAY_DEPS:
-          StringBuffer sb = new StringBuffer();
-          Set<CellLocation> deps = cell.getDependencies();
-          if (deps == null) {
-            html = "--";
-          } else {
-            bool first = true;
-            deps.forEach((CellLocation cellLocation) {
-              if (!first) {
-                sb.add(",");
-              }
-              first = false;
-              sb.add(cellLocation.rowCol.toA1String());
-            });
-            html = HtmlUtils.quoteHtml(sb.toString());
-          }
-          break;
-        case SpreadsheetPresenter.CELL_DISPLAY_FORWARD_DEPS:
-          StringBuffer sb = new StringBuffer();
-          Set<CellLocation> deps = cell.dependents;
-          if (deps == null) {
-            html = "--";
-          } else {
-            bool first = true;
-            deps.forEach((CellLocation cellLocation) {
-              if (!first) {
-                sb.add(",");
-              }
-              first = false;
-              sb.add(cellLocation.rowCol.toA1String());
-            });
-            html = HtmlUtils.quoteHtml(sb.toString());
-          }
-          break;
-        }
-
-        cellElement.innerHTML = html;
-        ++rendered;
-
-        cell.clearStyleDirty();
-      } else {
-        cellElement.innerHTML = "";
-      }
-    });
-
-    // Set row/column styles for empty cells
-    RowColStyle sheetStyle = _spreadsheet.getSheetStyle();
-    for (int r = 1; r <= rows; r++) {
-      int row = r + rowShift;
-      rowElement = tableRows[r];
-      RowColStyle rowStyle = _spreadsheet.getRowStyle(row);
-      for (int c = 1; c <= columns; c++) {
-        int col = c + columnShift;
-        Cell cell = _spreadsheet.getCell(new RowCol(row, col));
-        // Non-null cells have already been rendered above
-        if (cell != null) {
-          continue;
-        }
-        RowColStyle columnStyle = _spreadsheet.getColumnStyle(col);
-        Style style = RowColStyle.merge3(sheetStyle, rowStyle, columnStyle);
-        cellElement = rowElement.cells[c];
-        CSSStyleDeclaration cssStyle = cellElement.style;
-        if (cellDisplay == SpreadsheetPresenter.CELL_DISPLAY_VALUES) {
-          if (style != null) {
-            setCellStyle(style, cssStyle);
-          } else {
-            cssStyle.removeProperty("background-color");
-          }
-        } else if (cellDisplay == SpreadsheetPresenter.CELL_DISPLAY_STYLES) {
-          if (style != null) {
-            cellElement.innerHTML = style.toHtml();
-          } else {
-            cellElement.innerHTML = "";
-          }
-        }
-      }
-    }
-
-    return rendered;
-  }
-
-  void redrawHeaders(SelectionManager selectionManager,
-      int rows, int columns, int rowShift, int columnShift, int cellDisplay) {
-    List<Node> tableRows = _table.rows;
-    TableRowElement tableHeaderRow = tableRows[0];
-    List<Node> tableHeaderCells = tableHeaderRow.cells;
-    TableCellElement cellElement;
-    Set<String> cellClasses;
-
-    // Redraw first column header
-    TableCellElement firstColumnCell = tableHeaderCells[0];
-    firstColumnCell.classes.add("cornerHeader");
-    firstColumnCell.width = HtmlUtils.toPx(_spreadsheet.getColumnWidth(0));
-
-    RowColStyle sheetStyle = _spreadsheet.getSheetStyle();
-
-    bool displayStyles = cellDisplay == SpreadsheetPresenter.CELL_DISPLAY_STYLES;
-
-    // Redraw column headers
-    for (int c = 0; c <= columns; c++) {
-      // Column headers - physical row 0 contains the column numbers
-      cellElement = tableHeaderCells[c];
-      cellClasses = cellElement.classes;
-      cellElement.width = HtmlUtils.toPx(_spreadsheet.getColumnWidth(c == 0 ? 0 : c + columnShift));
-      if (displayStyles) {
-        cellClasses.remove("columnHeader");
-        cellClasses.remove("columnHeader-selected");
-      } else {
-        if (selectionManager.isColumnSelected(c + columnShift)) {
-          cellClasses.remove("columnHeader");
-          cellClasses.add("columnHeader-selected");
-        } else {
-          cellClasses.remove("columnHeader-selected");
-          cellClasses.add("columnHeader");
-        }
-      }
-
-      int col = c + columnShift;
-      String html = c == 0 ? HtmlUtils.quoteHtml(_spreadsheet.name) : StringUtils.columnString(col);
-      if (displayStyles) {
-        RowColStyle s;
-        if (c == 0) {
-          s = _spreadsheet.getSheetStyle();
-          if (s != null) {
-            html += s.style.toHtml();
-          }
-        } else {
-          s = _spreadsheet.getColumnStyle(col);
-          if (s != null) {
-            html = "${html}: ${s.style.toHtml()}";
-          }
-        }
-      }
-      cellElement.innerHTML = html;
-    }
-
-    // Redraw first row header
-    TableRowElement firstTableRow = tableRows[0];
-    firstTableRow.style.setProperty("height", HtmlUtils.toPx(_spreadsheet.getRowHeight(0)));
-
-    // Redraw row headers
-    for (int r = 1; r <= rows; r++) {
-      TableRowElement tableRow = tableRows[r];
-      tableRow.style.setProperty("height",
-          HtmlUtils.toPx(_spreadsheet.getRowHeight(r + rowShift)));
-      List<Node> rowCells = tableRow.cells;
-      // Row headers - physical column 0 contains the row numbers
-      cellElement = rowCells[0];
-      cellClasses = cellElement.classes;
-      if (displayStyles) {
-        cellClasses.remove("rowHeader");
-        cellClasses.remove("rowHeader-selected");
-      } else {
-        if (selectionManager.isRowSelected(r + rowShift)) {
-          cellClasses.remove("rowHeader");
-          cellClasses.add("rowHeader-selected");
-        } else {
-          cellClasses.remove("rowHeader-selected");
-          cellClasses.add("rowHeader");
-        }
-      }
-
-      int row = r + rowShift;
-      String html = StringUtils.rowString(row);
-      if (displayStyles) {
-        RowColStyle rowStyle = _spreadsheet.getRowStyle(row);
-        if (rowStyle != null) {
-          html = "${html}: ${rowStyle.style.toHtml()}";
-        }
-      }
-      cellElement.innerHTML = html;
-    }
-  }
-
-  void removeColumn(int col) {
-    for (TableRowElement row in _table.rows) {
-      row.deleteCell(col);
-    }
-  }
-
-  // Remove innerHTML and class names from the entire visible portion of the table
-  void resetTableContents(int rows, int columns) {
-    List<Node> tableRows = _table.rows;
-    for (int r = 0; r <= rows; r++) {
-      TableRowElement tableRow = tableRows[r];
-      List<Node> tableRowCells = tableRow.cells;
-      int oldLen = tableRowCells.length;
-      for (int c = 0; c <= columns; c++) {
-        TableCellElement cellElement = tableRowCells[c];
-        cellElement.attributes.remove("class");
-        // TODO:  can the style attribute be removed entirely?
-        cellElement.style.cssText = "";
-        cellElement.innerHTML = "";
-      }
-      // Delete extra cells
-      for (int c = oldLen - 1; c > columns; c--) {
-        tableRow.deleteCell(c);
-      }
-    }
-  }
-
-  void setCellContents(int row, int col, String value) {
-    TableRowElement rowElement = _table.rows[row];
-    TableCellElement cellElement = rowElement.cells[col];
-    cellElement.innerHTML = HtmlUtils.quoteHtml(value);
-  }
-
-  void setCellCursor() {
-    _table.style.setProperty("cursor", "cell");
-  }
-
-  // Renders aspects of a cell's style that require styling the containing <TD> element,
-  // namely text alignment, text color, and background color.
-  void setCellStyle(Style style, CSSStyleDeclaration cssStyle) {
-    String textAlignment = style.getTextAlignmentString();
-    cssStyle.setProperty("text-align", textAlignment);
-
-    int textColor = style.textColor;
-    if (textColor != Style.BLACK && textColor != Style.UNSET) {
-      String textColorString = Formats.getHtmlColor(textColor);
-      cssStyle.setProperty("color", textColorString);
-    } else {
-      cssStyle.removeProperty("color");
-    }
-
-    int backgroundColor = style.backgroundColor;
-    if (backgroundColor != Style.UNSET && backgroundColor != Style.WHITE) {
-      String backgroundColorString = Formats.getHtmlColor(backgroundColor);
-      cssStyle.setProperty("background-color", backgroundColorString);
-    } else {
-      cssStyle.removeProperty("background-color");
-    }
-  }
-
-  void setColResizeCursor() {
-    _table.style.setProperty("cursor", "col-resize");
-  }
-
-  void setDefaultCursor() {
-    _table.style.removeProperty("cursor");
-  }
-
-  void setRowResizeCursor() {
-    _table.style.setProperty("cursor", "row-resize");
-  }
-
-  void setWidth(int width) {
-    _table.style.setProperty("width", HtmlUtils.toPx(width));
-  }
-
-  // Return true if the given (row, col) is within the viewport of this presenter.
-  bool _inView(RowCol rowCol, int rows, int columns, int rowShift, int columnShift) {
-    int row = rowCol.row - rowShift;
-    if (row <= 0 || row > rows) {
-      return false;
-    }
-    int col = rowCol.col - columnShift;
-    if (col <= 0 || col > columns) {
-      return false;
-    }
-    return true;
-  }
-}