///// <summary>
///// Sets the Columns property. This dependency property
///// indicates whether to use templates for the specified column.
///// </summary>
//public static void SetColumns(DependencyObject d, AutoGenerateColumnCollection value)
//{
// d.SetValue(ColumnsProperty, value);
//}
private static void OnColumnsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue != null)
{
AutoGenerateColumnCollection coll = e.NewValue as AutoGenerateColumnCollection;
//coll.CollectionChanged += AutoGenerateColumn_CollectionChanged;
DataGrid grid = coll.Owner as DataGrid;
if (grid != null)
{
grid.AutoGeneratingColumn += _grid_AutoGeneratingColumn;
}
}
if (e.OldValue != null)
{
AutoGenerateColumnCollection coll = e.OldValue as AutoGenerateColumnCollection;
//coll.CollectionChanged -= AutoGenerateColumn_CollectionChanged;
DataGrid grid = coll.Owner as DataGrid;
if (grid != null)
{
grid.AutoGeneratingColumn -= _grid_AutoGeneratingColumn;
}
}
}
private static AutoGenerateColumnCollection GetColumnsInternal(DependencyObject d)
{
var collection = (AutoGenerateColumnCollection)d.GetValue(ColumnsProperty);
if (collection == null)
{
collection = new AutoGenerateColumnCollection(d);
d.SetValue(ColumnsProperty, collection);
}
return(collection);
}
public static void _grid_AutoGeneratingColumn(object sender, DataGridAutoGeneratingColumnEventArgs e)
{
DataGrid grid = sender as DataGrid;
if (grid == null)
{
return;
}
AutoGenerateColumnCollection coll = GetColumns(grid);
foreach (AutoGenerateColumn col in coll)
{
if (e.PropertyName == col.Column)
{
CustomDataGridTemplateColumn templateColumn = new CustomDataGridTemplateColumn();
templateColumn.Header = e.Column.Header;
if (col.CellTemplate != null)
{
templateColumn.CellTemplate = col.CellTemplate;
}
if (col.CellEditingTemplate != null)
{
templateColumn.CellEditingTemplate = col.CellEditingTemplate;
}
if (col.Binding != null)
{
templateColumn.Binding = col.Binding;
}
templateColumn.SortMemberPath = e.Column.SortMemberPath;
e.Column = templateColumn;
return;
}
}
if (e.Column.GetType() == typeof(DataGridTextColumn))
{
// Set the edit style to a style containing a custom context menu in order to handle ContextMenuOpening
((DataGridTextColumn)e.Column).EditingElementStyle = (Style)Application.Current.Resources["TextColumnEditStyle"];
return;
}
return;
}
