private void InitializeFilterView(FilterView filterview)
{
var okButton = FindControl.FindChild <Button>(filterview, "btnOk");
okButton.Click += OnPopupButtonClick;
var cancelButton = FindControl.FindChild <Button>(filterview, "btnCancel");
cancelButton.Click += OnPopupButtonClick;
var clearButton = FindControl.FindChild <Button>(filterview, "btnClear");
clearButton.Click += OnPopupButtonClick;
filterview.LostFocus -= PopLostFocus;
filterview.LostFocus += PopLostFocus;
filterview.Focus();
filterview.UpdateLayout();
}
private void EvaluateDatagridColumn()
{
DataGridRow rowContainer = FindDataGridControl.GetRow(this, 0);
Type itemSourceType = (this.ItemsSource as IEnumerable).AsQueryable().ElementType;
foreach (ExtendedTemplateColumn col in this.Columns)
{
col.FieldNameType = ReflectionHelper.GetPropertyType(col.FieldName, itemSourceType);
col.IsNullableBinding = (col.FieldNameType == typeof(string)) || (Nullable.GetUnderlyingType(col.FieldNameType) != null);
if (col.IsDefaultBinding)
{
continue;
}
var datagridCell = FindDataGridControl.GetCell(this, 0, col.DisplayIndex);
var framework = FindControl.FindChild <FrameworkElement>((ContentPresenter)datagridCell.Content, string.Empty);
var textBlock = framework as TextBlock;
col.IsDefaultBinding = textBlock == null;
}
}
private void AutoFilterMouseDown(object sender, MouseButtonEventArgs e)
{
var columnHeader = FindControl.FindParent <DataGridColumnHeader>((ContentControl)sender);
_currentColumn = columnHeader.Column as ExtendedTemplateColumn;
if (_currentColumn == null)
{
return;
}
var popup = FindControl.FindChild <Popup>(columnHeader, "popupColumnFilter");
if (popup == null)
{
return;
}
popup.IsOpen = true;
var popupSize = new Size(popup.ActualWidth, popup.ActualHeight);
var position = new Point {
X = columnHeader.ActualWidth - 19, Y = columnHeader.ActualHeight
};
popup.PlacementRectangle = new Rect(position, popupSize);
var mainGrid = FindControl.FindParent <ExtendedDatagridControl>(popup);
mainGrid.FilterHelper.CurrentColumnInfo = new Model.ColumnInfo()
{
Column = _currentColumn
};
var filterViewControl = FindControl.FindChild <FilterView>(popup.Child, "ColumnValuesList");
filterViewControl.ListItems = mainGrid.FilterHelper.GetDistinctColumnValues();
InitializeFilterView(filterViewControl);
}
