protected override FrameworkElement GenerateEditingElement(DataGridCell cell, object dataItem)
{
//return base.GenerateEditingElement(cell, dataItem);
var bind = new Binding(LevelPath);
bind.Converter = IndentConverter;
var be = new BindingEvaluator(bind);
be.DataContext = dataItem;
var left = (double)be.Value + 16;
var element = base.GenerateEditingElement(cell, dataItem);
element.Margin = new Thickness(element.Margin.Left + left, element.Margin.Top, element.Margin.Right, element.Margin.Bottom);
return element;
}
static void CreateCells(ISheet sheet, DataGridColumn col,
IEnumerable source, int colIndex)
{
int rowIndex = 0;
#region header
var headerStyle = GetHeaderCellStyle(sheet.Workbook);
var rowHeader = sheet.GetOrCreateRow(rowIndex++);
var cellHeader = rowHeader.GetOrCreateCell(colIndex);
cellHeader.SetCellValue(GetHeaderText(col.Header));
cellHeader.SetCellType(CellType.String);
cellHeader.CellStyle = headerStyle;
#endregion
var cellStyle = GetCellStyle(col, sheet);
if (col is DataGridBoundColumn)
{
var c = (DataGridBoundColumn)col;
var be = new BindingEvaluator(c.Binding);
foreach (var obj in source)
{
IRow row = sheet.GetOrCreateRow(rowIndex++);
ICell cell = row.GetOrCreateCell(colIndex);
cell.CellStyle = cellStyle;
be.DataContext = obj;
cell.SetCellValue(be.Value);
}
}
else if (col is System.Windows.Controls.DataGridComboBoxColumn)
{
var c = (System.Windows.Controls.DataGridComboBoxColumn)col;
var be = new BindingEvaluator(c.SelectedValueBinding);
var bValue = new BindingEvaluator(new Binding(c.SelectedValuePath));
var bDisplay = new BindingEvaluator(new Binding(c.DisplayMemberPath));
var itemSource = new Dictionary<object, object>();
foreach (var i in c.ItemsSource)
{
bValue.DataContext = i;
bDisplay.DataContext = i;
var value = bValue.Value;
if (value != null)
itemSource[value] = bDisplay.Value;
}
foreach (var obj in source)
{
IRow row = sheet.GetOrCreateRow(rowIndex++);
ICell cell = row.GetOrCreateCell(colIndex);
cell.CellStyle = cellStyle;
be.DataContext = obj;
var value = be.Value;
if (itemSource.ContainsKey(value))
cell.SetCellValue(itemSource[value]);
else
cell.SetCellValue(be.Value);
}
}
else if (col is System.Windows.Controls.DataGridTemplateColumn)
{
var c = (DataGridTemplateColumn)col;
var x = DataGridHelper.GetAttachedBinding(c);
if (x == null) return;
foreach (var obj in source)
{
var be = new BindingEvaluator(new Binding(x));
be.DataContext = obj;
IRow row = sheet.GetOrCreateRow(rowIndex++);
ICell cell = row.GetOrCreateCell(colIndex);
cell.CellStyle = cellStyle;
cell.SetCellValue(be.Value);
}
}
sheet.AutoSizeColumn(colIndex);
}