public void List_SelectionChanged(object sender, EventArgs e)
{
if (!IgnoreChanges)
{
IgnoreChanges = true;
FilterProperties = new FilterItemProperites {
Ids = ItemsList.GetSelectedIds()
};
IgnoreChanges = false;
}
}
public void Dispose()
{
BindingOperations.ClearBinding(this, ItemsListProperty);
BindingOperations.ClearBinding(this, FilterPropertiesProperty);
if (ItemsList != null)
{
ItemsList.SelectionChanged -= List_SelectionChanged;
ItemsList = null;
}
FilterProperties = null;
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (Template != null)
{
var closeCommand = isPrimaryFilter ? mainModel.CloseSubFilterCommand : mainModel.CloseAdditionalFilterCommand;
MenuHost = Template.FindName("PART_MenuHost", this) as FrameworkElement;
if (MenuHost != null)
{
MenuHost.InputBindings.Add(new KeyBinding(closeCommand, new KeyGesture(Key.Back)));
MenuHost.InputBindings.Add(new KeyBinding(closeCommand, new KeyGesture(Key.Escape)));
MenuHost.InputBindings.Add(new XInputBinding(closeCommand, XInputButton.B));
}
ButtonBack = Template.FindName("PART_ButtonBack", this) as ButtonBase;
if (ButtonBack != null)
{
ButtonBack.Command = closeCommand;
}
ButtonClear = Template.FindName("PART_ButtonClear", this) as ButtonBase;
if (ButtonClear != null)
{
ButtonClear.Command = new RelayCommand <object>(a =>
{
FilterProperties = null;
IgnoreChanges = true;
ItemsList?.SetSelection(null);
IgnoreChanges = false;
});
BindingTools.SetBinding(ButtonClear,
FocusBahaviors.FocusBindingProperty,
mainModel,
nameof(mainModel.SubFilterVisible));
}
ItemsHost = Template.FindName("PART_ItemsHost", this) as ItemsControl;
if (ItemsHost != null)
{
AssignItemListPanel(ItemsHost);
BindingTools.SetBinding(
ItemsHost,
ItemsControl.ItemsSourceProperty,
this,
nameof(ItemsList));
}
}
}
