private static ListViewResizeBehavior GetOrCreateBehavior(ListView element)
{
var behavior = element.GetValue(GridViewColumnResizeBehaviorProperty) as ListViewResizeBehavior;
if (behavior == null) {
behavior = new ListViewResizeBehavior(element);
element.SetValue(ListViewResizeBehaviorProperty, behavior);
}
return behavior;
}
private static DoubleClickBehavior GetOrCreateBehavior(System.Windows.Controls.ListView element)
{
DoubleClickBehavior behavior = element.GetValue(DoubleClickBehaviorProperty) as DoubleClickBehavior;
if (behavior == null)
{
behavior = new DoubleClickBehavior(element);
element.SetValue(DoubleClickBehaviorProperty, behavior);
}
return(behavior);
}
private static EnterReleaseBehavior GetOrCreateBehavior(System.Windows.Controls.ListView element)
{
EnterReleaseBehavior behavior = element.GetValue(EnterReleaseBehaviorProperty) as EnterReleaseBehavior;
if (behavior == null)
{
behavior = new EnterReleaseBehavior(element);
element.SetValue(EnterReleaseBehaviorProperty, behavior);
}
return(behavior);
}
private static SelectionChangeBehavior GetOrCreateBehavior(System.Windows.Controls.ListView element)
{
SelectionChangeBehavior behavior = element.GetValue(ClickBehaviorProperty) as SelectionChangeBehavior;
if (behavior == null)
{
behavior = new SelectionChangeBehavior(element);
element.SetValue(ClickBehaviorProperty, behavior);
}
return(behavior);
}
public static void SetHasBindableSelectedItems(System.Windows.Controls.ListView source, bool value)
{
SelectionChangedHandler Handler = (SelectionChangedHandler)source.GetValue(SelectionChangedHandlerProperty);
if (value && Handler == null)
{
Handler = new SelectionChangedHandler(source);
source.SetValue(SelectionChangedHandlerProperty, Handler);
}
else if (!value && Handler != null)
{
source.ClearValue(SelectionChangedHandlerProperty);
}
}
public static object GetCommandParameter(System.Windows.Controls.ListView Element)
{
return(Element.GetValue(CommandParameterProperty));
}
public static bool GetIsToSelectedEnabled(ListView d)
{
return (bool)d.GetValue(IsToSelectedEnabledProperty);
}
public static bool GetCanUserSortColumns(ListView element)
{
return (bool)element.GetValue(CanUserSortColumnsProperty);
}
public static ColumnSortDirection GetSortDirection(ListView listView) {
return (ColumnSortDirection)listView.GetValue(SortDirectionProperty);
}
static Boolean GetIsLoadEventAttached( ListView owner )
{
return ( Boolean )owner.GetValue( IsLoadEventAttachedProperty );
}
public static bool GetAutoSort(ListView obj)
{
return (bool)obj.GetValue(AutoSortProperty);
}
public static ImageSource GetSortGlyphDescending(ListView obj)
{
return (ImageSource)obj.GetValue(SortGlyphDescendingProperty);
}
public static bool GetShowSortGlyph(ListView obj)
{
return (bool)obj.GetValue(ShowSortGlyphProperty);
}
public static UIElement GetEnableDragHover(ListView listView)
{
return (UIElement)listView.GetValue(EnableDragHoverProperty);
}
public static bool GetAutoScrollToSelectedItem(ListView element)
{
return (bool)element.GetValue(AutoScrollToSelectedItemProperty);
}
/// <summary>
/// Ruft den Wert der angefügten SortAtHeaderClick Abhängigkeitseigenschaft für eine bestimmte <see cref="System.Windows.Controls.ListView"/> ab.
/// </summary>
/// <param name="lv">Die <see cref="System.Windows.Controls.ListView"/> deren SortAtHeaderClick Wert abgerufen werden soll.</param>
public static bool GetSortAtHeaderClick(ListView lv)
{
return (bool)lv.GetValue(SortAtHeaderClickProperty);
}
public static ListViewSortMode GetSortMode(ListView listView) {
return (ListViewSortMode)listView.GetValue(SortModeProperty);
}
public static IList GetSelectedItems( ListView owner )
{
return ( IList )owner.GetValue( SelectedItemsProperty );
}
public static SortableGridViewColumn GetCurrentSortColumn(ListView listView) {
return (SortableGridViewColumn)listView.GetValue(CurrentSortColumnProperty);
}
public static Boolean GetAutoSizeColumns( ListView owner )
{
return ( Boolean )owner.GetValue( AutoSizeColumnsProperty );
}
private static void InitializeSortDirection(ListView listView)
{
#region Guards
var dataSource = listView.ItemsSource;
if (dataSource == null)
return;
var dataview = CollectionViewSource.GetDefaultView(dataSource);
if (dataview == null || dataview.SortDescriptions.Count == 0)
return;
SortInfo sortInfo = listView.GetValue(SortInfoProperty.DependencyProperty) as SortInfo;
if (sortInfo != null)
return;
#endregion
foreach (var columnHeader in listView.FindChildren<GridViewColumnHeader>(h => h.Role != GridViewColumnHeaderRole.Padding))
{
if (columnHeader.Column != null && dataview.SortDescriptions.Count > 0 &&
dataview.SortDescriptions[0].PropertyName.Equals(GetSortField(columnHeader.Column)))
{
sortInfo = new SortInfo();
sortInfo.LastSortColumn = columnHeader;
sortInfo.CurrentAdorner = new VisualAdorner(columnHeader, new ListSortDecorator());
AdornerLayer.GetAdornerLayer(columnHeader).Add(sortInfo.CurrentAdorner);
listView.SetValue(SortInfoProperty, sortInfo);
break;
}
}
}
public static ICommand GetSortCommand( ListView owner )
{
return ( ICommand )owner.GetValue( SortCommandProperty );
}
public static IItemComparer GetDefaultSortComparer(ListView element)
{
return (IItemComparer)element.GetValue(DefaultSortComparerProperty);
}
public static Visibility GetVisibility(ListView element)
{
return (Visibility)element.GetValue(IsVisibleProperty);
}
