public void SelectCurrentBySpace()
{
TreeViewExItem item = GetFocusedItem();
SelectSingleItem(item);
PresentationHelper.ForceFocus(item);
}
internal override void OnMouseDown(MouseButtonEventArgs e)
{
base.OnMouseDown(e);
_ItemForDeferredSelection = null;
TreeViewExItem item = GetTreeViewItemUnderMouse(e.GetPosition(treeViewEx));
if (item == null)
{
return;
}
if (e.ChangedButton != MouseButton.Left && !(e.ChangedButton == MouseButton.Right && item.ContextMenu != null))
{
return;
}
if (item.IsEditing)
{
return;
}
// Do not select on MouseDown if part of the selection list
// To enable drag'n'drop, this selction is done in MouseUp
if (treeViewEx.SelectedItems.Count > 1 && item.IsSelected)
{
_ItemForDeferredSelection = item;
return;
}
SelectSingleItem(item);
PresentationHelper.ForceFocus(item);
}
public void SelectLast()
{
TreeViewExItem item = TreeViewElementFinder.FindLast(treeViewEx, true);
if (item != null)
{
SelectSingleItem(item);
}
PresentationHelper.ForceFocus(item);
}
internal bool StopEditing()
{
if (_EditedItem == null)
{
return(false);
}
Keyboard.Focus(_EditedItem);
_EditedItem.IsEditing = false;
PresentationHelper.ForceFocus(_EditedItem);
_EditedItem = null;
return(true);
}
public void SelectNextFromKey()
{
TreeViewExItem item = GetFocusedItem();
item = TreeViewElementFinder.FindNext(item, true);
if (item == null)
{
return;
}
// if ctrl is pressed just focus it, so it can be selected by space. Otherwise select it.
if (!IsControlKeyDown)
{
SelectSingleItem(item);
}
PresentationHelper.ForceFocus(item);
}
public void SelectPreviousFromKey()
{
List <TreeViewExItem> items = TreeViewElementFinder.FindAll(treeViewEx, true).ToList();
TreeViewExItem item = GetFocusedItem();
item = treeViewEx.GetPreviousItem(item, items);
if (item == null)
{
return;
}
// if ctrl is pressed just focus it, so it can be selected by space. Otherwise select it.
if (!IsControlKeyDown)
{
SelectSingleItem(item);
}
PresentationHelper.ForceFocus(item);
}
public void SelectFromUiAutomation(TreeViewExItem item)
{
SelectSingleItem(item);
PresentationHelper.ForceFocus(item);
}
private void OnTreeViewExEditTextBoxLoaded(object sender, RoutedEventArgs e)
{
GetBindingExpression(TextProperty)?.UpdateTarget();
PresentationHelper.ForceFocus(this);
}