private static object OnCoerceDetailsTemplateSelector(DependencyObject d, object baseValue)
{
var row = (DataGridRow)d;
return(DataGridHelper.GetCoercedTransferPropertyValue(
row,
baseValue,
DetailsTemplateSelectorProperty,
row.DataGridOwner,
DataGrid.RowDetailsTemplateSelectorProperty));
}
private static object OnCoerceValidationErrorTemplate(DependencyObject d, object baseValue)
{
var row = (DataGridRow)d;
return(DataGridHelper.GetCoercedTransferPropertyValue(
row,
baseValue,
ValidationErrorTemplateProperty,
row.DataGridOwner,
DataGrid.RowValidationErrorTemplateProperty));
}
private static object OnCoerceHeaderStyle(DependencyObject d, object baseValue)
{
var row = (DataGridRow)d;
return(DataGridHelper.GetCoercedTransferPropertyValue(
row,
baseValue,
HeaderStyleProperty,
row.DataGridOwner,
DataGrid.RowHeaderStyleProperty));
}
private static object OnCoerceStyle(DependencyObject d, object baseValue)
{
var cell = d as DataGridCell;
return(DataGridHelper.GetCoercedTransferPropertyValue(
cell,
baseValue,
StyleProperty,
cell.Column,
DataGridColumn.CellStyleProperty,
cell.DataGridOwner,
DataGrid.CellStyleProperty));
}
private static object OnCoerceIsReadOnly(DependencyObject d, object baseValue)
{
var cell = d as DataGridCell;
var column = cell.Column;
var dataGrid = cell.DataGridOwner;
// We dont use the cell & 'baseValue' here because this property is read only on cell.
// the column may coerce a default value to 'true', so we'll use it's effective value for IsReadOnly
// as the baseValue.
return(DataGridHelper.GetCoercedTransferPropertyValue(
column,
column.IsReadOnly,
DataGridColumn.IsReadOnlyProperty,
dataGrid,
DataGrid.IsReadOnlyProperty));
}
private static object OnCoerceDetailsVisibility(DependencyObject d, object baseValue)
{
var row = (DataGridRow)d;
object visibility = DataGridHelper.GetCoercedTransferPropertyValue(
row,
baseValue,
DetailsVisibilityProperty,
row.DataGridOwner,
DataGrid.RowDetailsVisibilityModeProperty);
if (visibility is DataGridRowDetailsVisibilityMode)
{
var visibilityMode = (DataGridRowDetailsVisibilityMode)visibility;
var hasDetailsTemplate = row.DetailsTemplate != null || row.DetailsTemplateSelector != null;
var isRealItem = row.Item != CollectionView.NewItemPlaceholder;
switch (visibilityMode)
{
case DataGridRowDetailsVisibilityMode.Collapsed:
visibility = Visibility.Collapsed;
break;
case DataGridRowDetailsVisibilityMode.Visible:
visibility = hasDetailsTemplate && isRealItem ? Visibility.Visible : Visibility.Collapsed;
break;
case DataGridRowDetailsVisibilityMode.VisibleWhenSelected:
visibility = row.IsSelected && hasDetailsTemplate && isRealItem ? Visibility.Visible : Visibility.Collapsed;
break;
default:
visibility = Visibility.Collapsed;
break;
}
}
return(visibility);
}