public override void ShowRootItemMenu(int parameter)
{
_ActiveItem.IsHighlighted = true;
var titles = _Titles = Array.ConvertAll(_Tags.GetTags(), t => new LocationItem(t));
var menu = new MarkdownList(this)
{
ItemsControlMaxHeight = View.ViewportHeight / 2,
ItemsSource = titles,
SelectedIndex = GetSelectedTagIndex(titles, View.GetCaretPosition().Position),
FilteredItems = new System.Windows.Data.ListCollectionView(titles)
};
menu.ScrollToSelectedItem();
menu.MouseLeftButtonUp += MenuItemSelect;
if (_Tags.Count > 100)
{
menu.EnableVirtualMode = true;
}
if (_TitleList != menu)
{
ListContainer.Children.Remove(_TitleList);
ListContainer.Children.Add(menu);
_TitleList = menu;
}
if (menu != null)
{
Canvas.SetLeft(menu, _ActiveItem.TransformToVisual(_ActiveItem.GetParent <Grid>()).Transform(new Point()).X - View.VisualElement.TranslatePoint(new Point(), View.VisualElement.GetParent <Grid>()).X);
Canvas.SetTop(menu, -1);
}
}
public void ShowRootItemMenu()
{
var titles = _Titles = Array.ConvertAll(_Tags.GetTags(), t => new LocationItem(t));
var menu = new MarkdownList(this)
{
ItemsControlMaxHeight = _View.ViewportHeight / 2,
ItemsSource = titles,
SelectedIndex = GetSelectedTagIndex(titles, _View.GetCaretPosition().Position),
FilteredItems = new System.Windows.Data.ListCollectionView(titles)
};
menu.ScrollToSelectedItem();
menu.MouseLeftButtonUp += MenuItemSelect;
if (_Tags.Count > 100)
{
ScrollViewer.SetCanContentScroll(menu, true);
}
if (_TitleList != menu)
{
_ListContainer.Children.Remove(_TitleList);
_ListContainer.Children.Add(menu);
_TitleList = menu;
}
if (menu != null)
{
Canvas.SetLeft(menu, _ActiveItem.TransformToVisual(_View.VisualElement).Transform(new Point()).X);
Canvas.SetTop(menu, -1);
}
}