public override void OnInitializeEditElement(DataColumnBase dataColumn, GridCaptionSummaryCell uiElement, object dataContext)
{
GridColumn column = dataColumn.GridColumn;
if (dataContext is Group)
{
var groupRecord = dataContext as Group;
if (this.DataGrid.CaptionSummaryRow == null)
{
var groupedColumn = this.GetGroupedColumn(groupRecord);
//WPF-20212 - If we add the column in GroupColumnDescription which is not placed in SfDataGrid column collections, skipped here to group by that column.
ColumnGroupDescription groupDesc = null;
if (groupedColumn == null)
{
groupDesc = this.DataGrid.View.GroupDescriptions[groupRecord.Level - 1] as ColumnGroupDescription;
if (groupDesc == null)
{
return;
}
}
string stringFormat = this.DataGrid.GroupCaptionTextFormat ?? this.DataGrid.GroupCaptionConstant;
var headerText = groupedColumn != null ? groupedColumn.HeaderText : groupDesc.PropertyName;
uiElement.Content = this.DataGrid.View.TopLevelGroup.GetGroupCaptionText(groupRecord, stringFormat, headerText);
}
else if (this.DataGrid.CaptionSummaryRow.ShowSummaryInRow)
{
uiElement.Content = SummaryCreator.GetSummaryDisplayTextForRow(groupRecord.SummaryDetails, this.DataGrid.View);
}
else
{
uiElement.Content = SummaryCreator.GetSummaryDisplayText(groupRecord.SummaryDetails, column.MappingName, this.DataGrid.View);
}
}
}
public override void OnUpdateEditBinding(DataColumnBase dataColumn, GridCaptionSummaryCell element, object dataContext)
{
GridColumn column = dataColumn.GridColumn;
if (element.DataContext is Group && this.DataGrid.View.GroupDescriptions.Count > 0)
{
var groupRecord = element.DataContext as Group;
var groupedColumn = this.GetGroupedColumn(groupRecord);
ColumnGroupDescription groupDesc = null;
//WPF-20212 - If we add the column in GroupColumnDescription which is not placed in SfDataGrid column collections, skipped here to group by that column.
if (groupedColumn == null)
{
groupDesc = this.DataGrid.View.GroupDescriptions[groupRecord.Level - 1] as ColumnGroupDescription;
if (groupDesc == null)
{
return;
}
}
// WPF-36158 When we defined GroupColumnDescription column name are not mentioned in SfGrid columns. So the header text are not applied to summary rows.
var headerText = groupedColumn != null ? groupedColumn.HeaderText : groupDesc.PropertyName;
if (this.DataGrid.CaptionSummaryRow == null)
{
if (this.DataGrid.View.GroupDescriptions.Count < groupRecord.Level)
{
return;
}
var stringFormat = this.DataGrid.GroupCaptionTextFormat ?? this.DataGrid.GroupCaptionConstant;
element.Content = this.DataGrid.View.TopLevelGroup.GetGroupCaptionText(groupRecord, stringFormat, headerText);
}
else if (this.DataGrid.CaptionSummaryRow.ShowSummaryInRow)
{
element.Content = SummaryCreator.GetSummaryDisplayTextForRow(groupRecord.SummaryDetails, this.DataGrid.View, headerText);
}
else
{
element.Content = SummaryCreator.GetSummaryDisplayText(groupRecord.SummaryDetails, column.MappingName, this.DataGrid.View);
}
}
}
