public static VisualTree ( |
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start | 列挙を開始するDependencyObject。 | |
direction | TreeRunDirection | 走査方向。 |
리턴 | IEnumerable |
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 VisualTree. /// </summary> /// <param name="start">Start DependencyObject.</param> /// <param name="direction">Run direction.</param> /// <returns>Enumerated DependencyObject.</returns> #else /// <summary> /// VisualTree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> VisualTree(this DependencyObject start, TreeRunDirection direction = TreeRunDirection.Descendants) { return(TreeUtilityInTarget.VisualTree(start, direction)); }