/**
   * Update an ActionSetFieldCol column
   *
   * @param origCol The existing column in the grid
   * @param editColumn A copy (not clone) of the original column containing the modified values
   */
  public void updateColumn(final ActionSetFieldCol origColumn, final ActionSetFieldCol editColumn) {
    if (origColumn == null) {
      throw new IllegalArgumentException("origColumn cannot be null");
    }
    if (editColumn == null) {
      throw new IllegalArgumentException("editColumn cannot be null");
    }

    boolean bRedrawColumn = false;
    boolean bRedrawHeader = false;
    DynamicColumn<DTColumnConfig> column = getDynamicColumn(origColumn);

    // Update column's visibility
    if (origColumn.isHideColumn() != editColumn.isHideColumn()) {
      setColumnVisibility(origColumn, !editColumn.isHideColumn());
    }

    // Change in column's binding forces an update and redraw if FactField
    // is different; otherwise only need to update and redraw if the
    // FieldType has changed
    if (!isEqualOrNull(origColumn.getBoundName(), editColumn.getBoundName())) {
      if (!isEqualOrNull(origColumn.getFactField(), editColumn.getFactField())) {
        bRedrawColumn = true;
        updateCellsForDataType(editColumn, column);
      }

    } else if (!isEqualOrNull(origColumn.getFactField(), editColumn.getFactField())) {
      bRedrawColumn = true;
      updateCellsForDataType(editColumn, column);
    }

    // Update column's cell content if the Optional Value list has changed
    if (!isEqualOrNull(origColumn.getValueList(), editColumn.getValueList())) {
      bRedrawColumn = updateCellsForOptionValueList(editColumn, column);
    }

    // Update column header in Header Widget
    if (!origColumn.getHeader().equals(editColumn.getHeader())) {
      bRedrawHeader = true;
    }

    // Copy new values into original column definition
    populateModelColumn(origColumn, editColumn);

    if (bRedrawColumn) {
      int maxColumnIndex = widget.getGridWidget().getColumns().size() - 1;
      widget.getGridWidget().redrawColumns(column.getColumnIndex(), maxColumnIndex);
    }
    if (bRedrawHeader) {
      // Schedule redraw event after column has been redrawn
      Scheduler.get()
          .scheduleFinally(
              new ScheduledCommand() {
                public void execute() {
                  widget.getHeaderWidget().redraw();
                }
              });
    }
  }
 // Copy values from one (transient) model column into another
 private void populateModelColumn(
     final ActionSetFieldCol col, final ActionSetFieldCol editingCol) {
   col.setBoundName(editingCol.getBoundName());
   col.setType(editingCol.getType());
   col.setFactField(editingCol.getFactField());
   col.setHeader(editingCol.getHeader());
   col.setValueList(editingCol.getValueList());
   col.setDefaultValue(editingCol.getDefaultValue());
   col.setHideColumn(editingCol.isHideColumn());
   col.setUpdate(editingCol.isUpdate());
 }