private void UnChecked(object sender, RoutedEventArgs e)
{
if (_isLoading)
{
return;
}
try
{
_isLoading = true;
var checkbox = (CheckBox)sender;
var listBox = FindControls.FindParent <ListBox>(checkbox);
AutoFilterHelper.CurrentListBox = listBox;
var popup = (Popup)((StackPanel)(listBox.Parent)).Parent;
var grid = FindControls.FindParent <ExtendedDataGrid>(popup);
CurrentGrid = AutoFilterHelper.CurrentGrid = grid;
var value = Convert.ToString(checkbox.Content);
if (Convert.ToString(checkbox.Tag) != "(Select All)")
{
var distictValues = AutoFilterHelper.CurrentListBox.ItemsSource as List <CheckedListItem>;
if (distictValues != null)
{
var countOfFiltersSelected = distictValues.Count(c => c.IsChecked && c.Name != "(Select All)" && c.IsSelectAll != "(Select All)");
if (countOfFiltersSelected == distictValues.Count - 1)
{
_isLoading = true;
distictValues[0].IsChecked = false;
AutoFilterHelper.CurrentListBox.UpdateLayout();
AutoFilterHelper.CurrentListBox.Items.Refresh();
}
bool isFilterApplicable = !string.IsNullOrEmpty(((DataView)CurrentGrid.ItemsSource).RowFilter) && ((DataView)CurrentGrid.ItemsSource).RowFilter.Contains(CurrentColumn + " IN ");
if (!isFilterApplicable)
{
if (string.IsNullOrEmpty(((DataView)CurrentGrid.ItemsSource).RowFilter))
{
var actualValues = ((DataView)CurrentGrid.ItemsSource).Table.Rows.Cast <DataRow>().Select(row => Convert.ToString(row[CurrentColumn])).Where(val => val != value).ToList();
AutoFilterHelper.ApplyFilters(CurrentGrid, CurrentColumn, actualValues);
var distictictValues = AutoFilterHelper.CurrentDistictValues;
distictictValues[0].IsChecked = false;
AutoFilterHelper.CurrentDistictValues = distictictValues;
AutoFilterHelper.CurrentListBox.Items.Refresh();
popup.Tag = distictictValues.Count(c => c.IsChecked) == 0 ? "False" : "True";
CurrentGrid.Items.Refresh();
CurrentGrid.UpdateLayout();
return;
}
else
{
AutoFilterHelper.CurrentDistictValues[0].IsChecked = countOfFiltersSelected == distictValues.Count - 1;
AutoFilterHelper.CurrentListBox.Items.Refresh();
AutoFilterHelper.CurrentListBox.UpdateLayout();
popup.Tag = AutoFilterHelper.CurrentDistictValues.Count(c => c.IsChecked) == 0 ? "False" : "True";
CurrentGrid.Items.Refresh();
CurrentGrid.UpdateLayout();
}
}
else
{
AutoFilterHelper.RemoveFilters(CurrentGrid, CurrentColumn, value);
var distictictValues = AutoFilterHelper.CurrentDistictValues;
popup.Tag = distictictValues.Count(c => c.IsChecked) == 0 ? "False" : "True";
}
}
}
else
{
_isLoading = true;
var distictictValues = AutoFilterHelper.CurrentDistictValues;
distictictValues[0].IsChecked = false;
foreach (var distictictValue in distictictValues)
{
if (distictictValue.Name != "(Select All)" && distictictValue.IsSelectAll != "(Select All)")
{
distictictValue.IsChecked = false;
}
}
AutoFilterHelper.CurrentDistictValues = distictictValues;
AutoFilterHelper.RemoveAllFilter(CurrentGrid, CurrentColumn);
AutoFilterHelper.CurrentListBox.Items.Refresh();
var countOfFiltersSelected = distictictValues.Count(c => c.IsChecked && c.Name != "(Select All)");
popup.Tag = countOfFiltersSelected == 0?"False":"True";
}
AutoFilterHelper.CurrentGrid.Items.Refresh();
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
finally
{
_isLoading = false;
}
}
