internal bool RaiseRowValidate(RowColumnIndex currentCellIndex)
{
if (IsCurrentRowValidated)
{
return(true);
}
#if WinRT || UNIVERSAL
// In winrt and universal , the datagrid is from click notification. where we need to call parent validation to raise the cell validation for child grid.
if (dataGrid is DetailsViewDataGrid)
{
var parentDataGrid = dataGrid.GetParentDataGrid();
if (parentDataGrid.SelectedDetailsViewGrid == null || (parentDataGrid.SelectedDetailsViewGrid != null && dataGrid != parentDataGrid.SelectedDetailsViewGrid))
{
return(parentDataGrid.ValidationHelper.RaiseRowValidate(parentDataGrid.SelectionController.CurrentCellManager.CurrentRowColumnIndex));
}
}
#endif
if (dataGrid.IsInDetailsViewIndex(currentCellIndex.RowIndex))
{
if (dataGrid.SelectionController is GridBaseSelectionController)
{
var currentDetailsViewGrid = (dataGrid.SelectionController as GridBaseSelectionController).GetCurrentDetailsViewGrid(dataGrid);
return(currentDetailsViewGrid.ValidationHelper.RaiseRowValidate(currentDetailsViewGrid.SelectionController.CurrentCellManager.CurrentRowColumnIndex));
}
}
var dataRow = dataGrid.RowGenerator.Items.FirstOrDefault(item => item.RowIndex == currentCellIndex.RowIndex);
if (dataRow == null)
{
return(true);
}
errorMessages = new Dictionary <string, string>();
rowIndex = dataRow.RowIndex;
var validatingArgs = new RowValidatingEventArgs(dataRow.WholeRowElement.DataContext, currentCellIndex.RowIndex, errorMessages, dataGrid);
if (!dataGrid.RaiseRowValidatingEvent(validatingArgs))
{
dataRow.VisibleColumns.ForEach
(datacolbase =>
{
if (datacolbase.GridColumn == null)
{
return;
}
if (datacolbase.ColumnElement == null)
{
return;
}
var currentCell = datacolbase.ColumnElement as GridCell;
if (currentCell == null)
{
return;
}
if (validatingArgs.ErrorMessages.ContainsKey(datacolbase.GridColumn.MappingName))
{
currentCell.SetRowValidationError(validatingArgs.ErrorMessages[datacolbase.GridColumn.MappingName]);
}
else
{
if (currentCell.HasError)
{
currentCell.RemoveRowValidationError();
}
}
});
dataRow.WholeRowElement.SetError();
if (!dataRow.IsEditing)
{
dataGrid.SelectionController.CurrentCellManager.BeginEdit();
}
//WPF-31495 - Set CurrentCellVaildate only for isEditing datarow.
if (dataRow.IsEditing)
{
SetCurrentCellValidated(false);
}
return(false);
}
else
{
RemoveError(dataRow, false);
}
var args = new RowValidatedEventArgs(validatingArgs.RowData, validatingArgs.RowIndex, validatingArgs.ErrorMessages, dataGrid);
dataGrid.RaiseRowValidatedEvent(args);
SetCurrentRowValidated(true);
//this.dataGrid.VisualContainer.SuspendManipulationScroll = false;
errorMessages = null;
rowIndex = -1;
return(true);
}
