void ComboBox_GotFocus(object sender, RoutedEventArgs e)
{
var item = WpfTreeNavigation.TryFindParent <ListBoxItem>((ComboBox)sender);
if (item != null)
{
item.IsSelected = true;
}
}
public new void Focus()
{
var firstButton = WpfTreeNavigation.TryFindChild <Button>(this);
if (firstButton == null)
{
return;
}
firstButton.Focus();
}
public new void Focus()
{
var firstButton = WpfTreeNavigation.TryFindChild <Button>(this);
if (firstButton != null)
{
firstButton.Focus();
}
else
{
TreeView.Focus();
}
}
void WatchListAutoCompleteCell_CommandEntered(object sender, EventArgs e)
{
if (SelectedNode == null)
{
return;
}
if (WatchType != WatchListType.Watch)
{
return;
}
var cell = ((WatchListAutoCompleteCell)sender);
SelectedNode.Name = cell.CommandText;
if (WatchType == WatchListType.Watch)
{
ParentPad.RefreshPad();
}
for (int i = 0; i < MyList.Items.Count; i++)
{
TreeViewItem child = (TreeViewItem)MyList.ItemContainerGenerator.ContainerFromIndex(i);
child.IsSelected = false;
}
// find TreeviewItem
var treeViewItem = WpfTreeNavigation.TryFindParent <TreeViewItem>(cell);
if (treeViewItem == null)
{
return;
}
// find textblock
var tb = WpfTreeNavigation.TryFindChild <TextBlock>(treeViewItem);
if (tb == null)
{
return;
}
// change visibility
cell.Visibility = Visibility.Collapsed;
tb.Visibility = Visibility.Visible;
}
void MyList_PreviewMouseDoubleClick(object sender, MouseButtonEventArgs e)
{
if (WatchType != WatchListType.Watch)
{
return;
}
TreeViewItem treeViewItem = null;
if (e.OriginalSource is TextBlock)
{
var tb = (TextBlock)e.OriginalSource;
// find TreeviewItem
treeViewItem = WpfTreeNavigation.TryFindParent <TreeViewItem>(tb);
if (treeViewItem == null)
{
return;
}
// try find TreeViewItem parent of the current node
// if parent != null, we will not alow edit the value
var treeViewItemParent = WpfTreeNavigation.TryFindParent <TreeViewItem>(treeViewItem, false);
if (treeViewItemParent == null)
{
// find cell
var cell = WpfTreeNavigation.TryFindChild <WatchListAutoCompleteCell>(treeViewItem);
// change visibility
tb.Visibility = Visibility.Collapsed;
cell.Visibility = Visibility.Visible;
e.Handled = true;
}
}
if (!e.Handled)
{
ExpandChildren(SelectedNode, treeViewItem);
}
}
static T TryFindChild <T>(DependencyObject root) where T : DependencyObject
{
return(WpfTreeNavigation.TryFindChild <T>(root));
}
