private void ClearClicked(object sender, RoutedEventArgs e)
{
try
{
var mainGrid = AutoFilterHelper.CurrentGrid;
if (mainGrid == null)
{
return;
}
_isLoading = true;
var distictictValues = AutoFilterHelper.CurrentDistictValues;
foreach (var distictictValue in distictictValues)
{
if (distictictValue.IsChecked)
{
distictictValue.IsChecked = false;
}
}
AutoFilterHelper.CurrentDistictValues = distictictValues;
AutoFilterHelper.RemoveAllFilter(CurrentGrid, CurrentColumn);
AutoFilterHelper.CurrentListBox.Items.Refresh();
AutoFilterHelper.RemoveAllFilter(mainGrid, AutoFilterHelper.CurrentColumName);
var sp = FindControls.FindParent <StackPanel>(AutoFilterHelper.CurrentListBox);
var popup = sp.Parent as Popup;
if (popup != null)
{
popup.Tag = "False";
}
}
finally
{
_isLoading = false;
}
}
private void Checked(object sender, RoutedEventArgs e)
{
if (_isLoading)
{
return;
}
try
{
var checkbox = (CheckBox)sender;
var value = Convert.ToString(checkbox.Content);
if (Convert.ToString(checkbox.Tag) != "(Select All)")
{
AutoFilterHelper.ApplyFilters(CurrentGrid, CurrentColumn, value);
}
else
{
_isLoading = true;
var distictictValues = AutoFilterHelper.CurrentDistictValues;
foreach (var distictictValue in distictictValues)
{
if (distictictValue.Name != "(Select All)" && distictictValue.IsSelectAll != "(Select All)")
{
distictictValue.IsChecked = true;
}
}
AutoFilterHelper.CurrentDistictValues = distictictValues;
AutoFilterHelper.RemoveAllFilter(CurrentGrid, CurrentColumn);
foreach (var c in distictictValues)
{
c.IsChecked = true;
}
var sp1 = FindControls.FindParent <StackPanel>(AutoFilterHelper.CurrentListBox);
var popup1 = sp1.Parent as Popup;
if (popup1 != null)
{
var clearButton = FindControls.FindChild <Button>(popup1.Child, "btnClear");
if (clearButton != null)
{
clearButton.IsEnabled = true;
}
}
AutoFilterHelper.CurrentListBox.UpdateLayout();
AutoFilterHelper.CurrentListBox.Items.Refresh();
return;
}
var sp = FindControls.FindParent <StackPanel>(AutoFilterHelper.CurrentListBox);
var popup = sp.Parent as Popup;
if (popup != null)
{
popup.Tag = "True";
}
AutoFilterHelper.CurrentListBox.UpdateLayout();
AutoFilterHelper.CurrentListBox.Items.Refresh();
}
finally
{
_isLoading = false;
}
}
public void ClearFilter(string columnName)
{
AutoFilterHelper.RemoveAllFilter(this, columnName);
Microsoft.Windows.Controls.Primitives.DataGridColumnHeader header =
FindControls.GetColumnHeaderFromColumn(Columns[GetColumnIndex(Columns, columnName)]);
if (header != null)
{
var popUp = FindControls.FindChild <Popup>(header, "popupDrag");
if (popUp != null)
{
popUp.Tag = "False";
}
}
}
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;
}
}
private void AutoFilterMouseDown(object sender, MouseButtonEventArgs e)
{
try
{
e.Handled = true;
if (e.ChangedButton == MouseButton.Right)
{
return;
}
var column = FindControls.FindParent <Microsoft.Windows.Controls.Primitives.DataGridColumnHeader>((ContentControl)sender);
var extendedColumn = column.Column as IExtendedColumn;
if (extendedColumn != null)
{
if (!extendedColumn.AllowAutoFilter)
{
return;
}
}
var popup = FindControls.FindChild <Popup>(column, "popupDrag");
if (popup == null)
{
return;
}
popup.IsOpen = true;
//Change the position of popup with the mouse
var popupSize = new Size(popup.ActualWidth, popup.ActualHeight);
var position = new Point {
X = column.ActualWidth - 19, Y = column.ActualHeight
};
popup.PlacementRectangle = new Rect(position, popupSize);
var listbox = FindControls.FindChild <ListBox>(popup.Child, "autoFilterList");
listbox.Focus();
listbox.LostFocus += PopLostFocus;
var clearButton = FindControls.FindChild <Button>(popup.Child, "btnClear");
//Get the data from
var mainGrid = FindControls.FindParent <ExtendedDataGrid>(popup);
if (mainGrid != null)
{
mainGrid.CommitEdit();
mainGrid.CommitEdit();
AutoFilterHelper.CurrentListBox = listbox;
AutoFilterHelper.CurrentGrid = mainGrid;
CurrentColumn = column.Column.SortMemberPath;
CurrentGrid = mainGrid;
if (AutoFilterHelper.CurrentColumName == CurrentColumn)
{
List <CheckedListItem> previousValues = AutoFilterHelper.CurrentDistictValues;
var currentValues = AutoFilterHelper.GetDistictValues(CurrentGrid, CurrentColumn);
foreach (var checkedListItem in currentValues)
{
if (previousValues.Count(c => c.Name == checkedListItem.Name && c.IsSelectAll != "(Select All)") == 0 && checkedListItem.IsSelectAll != "(Select All)")
{
previousValues.Add(new CheckedListItem {
Name = checkedListItem.Name, IsChecked = previousValues[0].IsChecked
});
}
}
if (clearButton != null)
{
clearButton.IsEnabled = AutoFilterHelper.CurrentDistictValues.Count(c => c.IsChecked) > 0;
clearButton.UpdateLayout();
}
AutoFilterHelper.CurrentDistictValues = previousValues;
AutoFilterHelper.CurrentDistictValues[0].IsSelectAll = "(Select All)";
listbox.ItemsSource = AutoFilterHelper.CurrentDistictValues;
listbox.UpdateLayout();
listbox.Items.Refresh();
return;
}
AutoFilterHelper.CurrentColumName = CurrentColumn;
var distict = AutoFilterHelper.GetDistictValues(CurrentGrid, CurrentColumn);
if (distict.Count(c => !c.IsChecked) == distict.Count)
{
if (Convert.ToString(popup.Tag) == "True")
{
_isLoading = true;
foreach (var checkedListItem in distict)
{
checkedListItem.IsChecked = true;
}
}
}
distict[0].IsSelectAll = "(Select All)";
listbox.ItemsSource = distict;
if (clearButton != null)
{
clearButton.IsEnabled = AutoFilterHelper.CurrentDistictValues.Count(c => c.IsChecked) > 0;
clearButton.Foreground = new SolidColorBrush(Colors.Black);
clearButton.UpdateLayout();
}
}
}
finally
{
_isLoading = false;
}
}
