static int[] GetActiveIndices(TreeView tree)
{
DependencyObject focusedElement = null;
if (tree.IsKeyboardFocusWithin)
{
focusedElement = Keyboard.FocusedElement as DependencyObject;
}
else if (tree.IsMouseCaptureWithin)
{
focusedElement = Mouse.Captured as DependencyObject;
}
if (focusedElement == null)
{
return(new int[0]);
}
var focusedVisual = (List <DependencyObject>)TreeUtilityInTarget.VisualTree(focusedElement, TreeRunDirection.Ancestors);
for (var i = 0; i < focusedVisual.Count; i++)
{
var item = focusedVisual[i] as TreeViewItem;
if (item == null)
{
continue;
}
var targetItemIndex = i;
i++;
for (; i < focusedVisual.Count; i++)
{
var findedTreeView = focusedVisual[i] as TreeView;
if (findedTreeView == null)
{
continue;
}
//TreeView in TreeView
if (findedTreeView != tree)
{
break;
}
//Get Keys.
var indices = new List <int>();
for (int j = targetItemIndex; j < i; j++)
{
var focusedItem = focusedVisual[j] as TreeViewItem;
if (focusedItem == null)
{
continue;
}
indices.Add(GetIndex(focusedItem, focusedVisual, j, i));
}
indices.Reverse();
return(indices.ToArray());
}
}
return(new int[0]);
}
static void GetIndices(IEnumerable <MenuItem> items, string[] headerTexts, int[] indices, int index)
{
int i = 0;
foreach (var e in items)
{
if (e.Header.ToString() == headerTexts[index])
{
indices[index] = i;
if (index == indices.Length - 1)
{
return;
}
//次のメニューを開く
IInvokeProvider invoker = new MenuItemAutomationPeer(e);
invoker.Invoke();
foreach (var popup in SearcherInTarget.ByType <Popup>(TreeUtilityInTarget.VisualTree(e)))
{
GetIndices(SearcherInTarget.ByType <MenuItem>(TreeUtilityInTarget.VisualTree(popup.Child)), headerTexts, indices, index + 1);
return;
}
break;
}
i++;
}
throw new NotSupportedException(ResourcesLocal3.Instance.ErrorNotFoundItem);
}
internal static ContextMenu OpenMenu(UIElement target, bool openByKey, out Clean cleaner)
{
cleaner = null;
FrameworkElement owner = null;
var tree = TreeUtilityInTarget.VisualTree(target, TreeRunDirection.Ancestors);
foreach (var e in tree)
{
var f = e as FrameworkElement;
if (f != null && f.ContextMenu != null)
{
owner = f;
break;
}
}
if (owner == null)
{
throw new NotSupportedException();
}
var menu = owner.ContextMenu;
if (openByKey)
{
target.Focus();
SendInputEx.SendKey(System.Windows.Forms.Keys.Apps);
}
else
{
int count = menu.CommandBindings.Count;
foreach (var e in TreeUtilityInTarget.VisualTree(target, TreeRunDirection.Ancestors))
{
var u = e as UIElement;
if (u != null && u.CommandBindings != null)
{
foreach (CommandBinding command in u.CommandBindings)
{
menu.CommandBindings.Add(command);
}
}
}
target.Focus();
menu.IsOpen = true;
InvokeUtility.DoEvents();
//数を元に戻す
cleaner = () =>
{
while (count < menu.CommandBindings.Count)
{
menu.CommandBindings.RemoveAt(menu.CommandBindings.Count - 1);
}
menu.IsOpen = false;
};
}
return(menu);
}
static ContextMenu GetContextMenu(UIElement target)
{
var tree = TreeUtilityInTarget.VisualTree(target, TreeRunDirection.Ancestors);
foreach (var e in tree)
{
var f = e as FrameworkElement;
if (f != null && f.ContextMenu != null)
{
return(f.ContextMenu);
}
}
throw new NotSupportedException();
}
static bool HasFocus(Visual visual)
{
foreach (var e in TreeUtilityInTarget.VisualTree(visual))
{
var uielement = e as UIElement;
if (uielement == null)
{
continue;
}
if (uielement.IsFocused)
{
return(true);
}
}
return(false);
}
static int GetItemCount(MenuItem item)
{
IInvokeProvider invoker = new MenuItemAutomationPeer(item);
invoker.Invoke();
foreach (var p in SearcherInTarget.ByType <Popup>(TreeUtilityInTarget.VisualTree(item)))
{
int count = 0;
foreach (var e in SearcherInTarget.ByType <MenuItem>(TreeUtilityInTarget.VisualTree(p.Child)))
{
count++;
}
return(count);
}
return(0);
}
static int GetActiveIndex(ListBox list)
{
DependencyObject focusedElement = null;
if (list.IsKeyboardFocusWithin)
{
focusedElement = Keyboard.FocusedElement as DependencyObject;
}
else if (list.IsMouseCaptureWithin)
{
focusedElement = Mouse.Captured as DependencyObject;
}
if (focusedElement == null)
{
return(-1);
}
var focusedVisual = (List <DependencyObject>)TreeUtilityInTarget.VisualTree(focusedElement, TreeRunDirection.Ancestors);
for (var i = 0; i < focusedVisual.Count; i++)
{
var item = focusedVisual[i] as ListBoxItem;
if (item == null)
{
continue;
}
i++;
for (; i < focusedVisual.Count; i++)
{
var findedListBox = focusedVisual[i] as ListBox;
if (findedListBox == null)
{
continue;
}
//ListBox in ListBox
if (findedListBox != list)
{
break;
}
return(list.ItemContainerGenerator.IndexFromContainer(item));
}
}
return(-1);
}
static int[] GetIndices(UIElement target, string[] headerTexts)
{
Clean cleaner = null;
try
{
var menu = OpenMenu(target, out cleaner);
int[] indices = new int[headerTexts.Length];
GetIndices(SearcherInTarget.ByType <MenuItem>(TreeUtilityInTarget.VisualTree(menu)), headerTexts, indices, 0);
return(indices);
}
finally
{
if (cleaner != null)
{
cleaner();
}
}
}
internal static int GetItemCount(UIElement target, bool openByKey)
{
Clean cleaner = null;
try
{
var menu = OpenMenu(target, openByKey, out cleaner);
int count = 0;
foreach (var e in SearcherInTarget.ByType <MenuItem>(TreeUtilityInTarget.VisualTree(menu)))
{
count++;
}
return(count);
}
finally
{
if (cleaner != null)
{
cleaner();
}
}
}
/// <summary>
/// Enumerate DependencyObject continuing to LogicalTree.
/// </summary>
/// <param name="start">Start DependencyObject.</param>
/// <param name="direction">Run direction.</param>
/// <returns>Enumerated DependencyObject.</returns>
#else
/// <summary>
/// LogicalTreeに連なるDependencyObjectを列挙。
/// </summary>
/// <param name="start">列挙を開始するDependencyObject。</param>
/// <param name="direction">走査方向。</param>
/// <returns>列挙されたDependencyObject。</returns>
#endif
public static IEnumerable <DependencyObject> LogicalTree(this DependencyObject start, TreeRunDirection direction = TreeRunDirection.Descendants)
{
return(TreeUtilityInTarget.LogicalTree(start, direction));
}