/// <summary>
/// Handles the QueryCellInfo event of the Model control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="args">The <see cref="Syncfusion.Windows.Controls.Grid.GridQueryCellInfoEventArgs"/> instance containing the event data.</param>
void Model_QueryCellInfo(object sender, GridQueryCellInfoEventArgs args)
{
var viewModel = this.AssociatedObject.DataContext as ViewModel;
if (args.Cell.RowIndex != 0)
{
GridDataStyleInfo style = args.Style as GridDataStyleInfo;
if (style.CellIdentity.TableCellType == GridDataTableCellType.GroupCaptionCell)
{
if (args.Style.CellValue != null)
{
string country = style.CellIdentity.Group.Key.ToString();
var pathLoc = viewModel.ProductsDetails.Where(o => o.Suppliers.Country == country);
if (pathLoc.Count() > 0)
{
var countryPath = pathLoc.ElementAt(0).Suppliers.Country;
args.Style.CellValue2 = "Images/" + countryPath + ".png";
args.Style.CellType = "DataBoundTemplate";
args.Style.CellItemTemplateKey = "sampleTemplate";
}
}
}
}
}
/// <summary>
/// Handles the QueryCellInfo event of the Model control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="Syncfusion.Windows.Controls.Grid.GridQueryCellInfoEventArgs"/> instance containing the event data.</param>
void Model_QueryCellInfo(object sender, GridQueryCellInfoEventArgs e)
{
GridDataTableModel _gridDataTableModel = sender as GridDataTableModel;
GridDataStyleInfo styleinfo = e.Style as GridDataStyleInfo;
//Updating the Unbound row values based on calculated summary values
if (styleinfo.CellIdentity.TableCellType == GridDataTableCellType.UnboundRecordCell)
{
e.Style.Background = Brushes.LightGray;
e.Style.Foreground = Brushes.Black;
e.Style.ReadOnly = true;
var columnIndex = _gridDataTableModel.ResolvePositionToVisibleColumnIndex(e.Style.ColumnIndex);
if (columnIndex >= 0)
{
var column = _gridDataTableModel.TableProperties.VisibleColumns[columnIndex];
if (column.MappingName == "Population")
{
e.Style.CellValue = PopulationSummary + ".00";
}
else if (column.MappingName == "Area")
{
e.Style.CellValue = AreaSummary + ".00";
}
else if (column.MappingName == "PopulationDensity")
{
e.Style.CellValue = PopulationDensitySummary + "";
}
else if (column.MappingName == "Status")
{
e.Style.CellValue = "Total count = " + TotoalCount_dataGrid1;
}
e.Style.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
}
}
//Updating the Unbound column value based on dictionary values
if (styleinfo.CellIdentity.TableCellType == GridDataTableCellType.UnboundColumnCell)
{
var dictkey = (_gridDataTableModel.View.Records[styleinfo.CellIdentity.RecordIndex].Data as CountryDetails).CountryName;
e.Style.CellValue = UnboundColumnDictionary_dataGrid1[dictkey];
}
}
protected override bool ShouldGridTryToHandlePreviewKeyDown(KeyEventArgs e)
{
// return false to indicate the CurrentCellUIElement should handle the key
// and the grid should ignore it.
bool isControlKey = (e.KeyboardDevice.Modifiers & ModifierKeys.Control) != ModifierKeys.None;
if (isControlKey)
{
return(true);
}
switch (e.Key)
{
case Key.Right:
case Key.Left:
case Key.Down:
case Key.Up:
{
// otherwise, move caret within textbox when cell is not in edit-mode.
return(!CurrentCell.IsEditing);
}
case Key.End:
case Key.Home:
{
CurrentCell.BeginEdit(true);
return(false);
}
case Key.Delete:
{
CurrentCell.BeginEdit(true);
return(false);
}
case Key.Enter:
{
if (this.CurrentStyle != null)
{
GridDataStyleInfo sif = this.CurrentStyle.GridModel[this.CurrentCell.RowIndex, this.CurrentCell.ColumnIndex] as GridDataStyleInfo;
if (sif != null && sif.CellIdentity.TableCellType != GridDataTableCellType.AddNewRecordCell)
{
e.Handled = true;
}
else if (sif != null && sif.CellIdentity.TableCellType == GridDataTableCellType.AddNewRecordCell && !CurrentCell.IsEditing)
{
e.Handled = true;
}
}
if (this.CurrentCell.IsEditing)
{
CurrentCell.EndEdit();
}
CurrentCell.MoveRight();
return(true);
break;
}
case Key.Back:
{
CurrentCell.BeginEdit(true);
return(false);
}
break;
}
return(base.ShouldGridTryToHandlePreviewKeyDown(e));
}
