private static void TargetUiElement_GotFocus(object sender, RoutedEventArgs e)
{
if (sender is TextBox)
{
TextBox tx = sender as TextBox;
object parent = FindAncestorByType(tx, typeof(GenLibrary.GenControls.TreeListViewItem), false);
if (parent is GenLibrary.GenControls.TreeListViewItem)
{
GenLibrary.GenControls.TreeListViewItem item = parent as GenLibrary.GenControls.TreeListViewItem;
if (item.Header is MVVM.TreeListView.TreeListViewItemViewModel)
{
MVVM.TreeListView.TreeListViewItemViewModel header = item.Header as MVVM.TreeListView.TreeListViewItemViewModel;
header.IsSelected = true;
}
}
}
}
static void TargetUiElement_IsKeyboardFocusWithinChanged(object sender, DependencyPropertyChangedEventArgs e)
{
var targetUiElement = (UIElement)sender;
if (targetUiElement is GenControls.TreeListViewItem) //让其支持TreeListView
{
GenControls.TreeListViewItem trItem = targetUiElement as GenControls.TreeListViewItem;
if (trItem.Header is MVVM.TreeListView.TreeListViewItemViewModel)
{
MVVM.TreeListView.TreeListViewItemViewModel header = trItem.Header as MVVM.TreeListView.TreeListViewItemViewModel;
header.IsSelected = true;
}
}
else
{
ListBox.SetIsSelected(targetUiElement, true); //设置选择，可用于datagrid/treeview等其他类型，仅仅适合于单选
}
}
private static void Item_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (sender is GenControls.TreeListView)
{
GenControls.TreeListView item = sender as GenControls.TreeListView;
if (item.DataContext != null)
{
if (item.DataContext is MVVM.TreeListView.TreeListViewItemViewModel)
{
MVVM.TreeListView.TreeListViewItemViewModel data = item.DataContext as MVVM.TreeListView.TreeListViewItemViewModel;
if (data.Children.Count > 0)
{
data.Children[0].IsNotRootFirst = false;
}
}
}
}
}
