void popup_Closed(object sender, EventArgs e)
{
Popup popup = (Popup)sender;
// navigate up to the header to obtain the filter property name
GridViewColumnHeader header = (GridViewColumnHeader)BaseWPFHelpers.FindElementOfTypeUp(popup, typeof(GridViewColumnHeader));
FilterColumn(header);
popup.Closed -= new EventHandler(popup_Closed);
}
private void RefreshItemsCommand(object sender, ExecutedRoutedEventArgs e)
{
GridViewColumnHeader header = (GridViewColumnHeader)BaseWPFHelpers.FindElementOfTypeUp((MenuItem)e.OriginalSource, typeof(GridViewColumnHeader));
Popup popup = (Popup)BaseWPFHelpers.FindElementOfType(header, typeof(Popup));
GridViewColumnWithFilterAndSorter column = (GridViewColumnWithFilterAndSorter)header.Column;
ReBuildFiltersList(column.SortPropertyName, (ObservableCollection <FilterItem>)popup.DataContext);
//popup.IsOpen = false;
}
private void RemoveFiltersCommand(object sender, ExecutedRoutedEventArgs e)
{
GridViewColumnHeader header = (GridViewColumnHeader)BaseWPFHelpers.FindElementOfTypeUp((MenuItem)e.OriginalSource, typeof(GridViewColumnHeader));
GridViewColumnWithFilterAndSorter column = (GridViewColumnWithFilterAndSorter)header.Column;
Popup popup = (Popup)BaseWPFHelpers.FindElementOfType(header, typeof(Popup));
//foreach (var filterItem in column.FilterItems)
//{
// filterItem.IsChecked = false;
//}
column.FilterItems = null;
popup.IsOpen = false;
}
/// <summary>
/// Handles the ShowFilter command to populate the filter list and display the popup
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ShowFilterCommand(object sender, ExecutedRoutedEventArgs e)
{
Button button = e.OriginalSource as Button;
if (button != null)
{
// navigate up to the header
GridViewColumnHeader header = (GridViewColumnHeader)BaseWPFHelpers.FindElementOfTypeUp(button, typeof(GridViewColumnHeader));
// then down to the popup
Popup popup = (Popup)BaseWPFHelpers.FindElementOfType(header, typeof(Popup));
if (popup != null)
{
// find the property name that we are filtering
GridViewColumnWithFilterAndSorter column = GetColumnFilters(header);
// open the popup to display this list
popup.Closed += new EventHandler(popup_Closed);
popup.DataContext = column.FilterItems;
popup.IsOpen = true;
}
}
}
