static TreeViewItem GetItemAndScrollIntoView(TreeView tree, ItemsControl parent, int i)
{
var peer = ItemsControlAutomationPeer.CreatePeerForElement(tree);
var scrollProvider = peer.GetPattern(PatternInterface.Scroll) as IScrollProvider;
var direction = ScrollAmount.SmallIncrement;
while (true)
{
var item = parent.ItemContainerGenerator.ContainerFromIndex(i) as TreeViewItem;
if (item != null)
{
item.BringIntoView();
InvokeUtility.DoEvents();
return(item);
}
if (scrollProvider.VerticalScrollPercent == 100)
{
direction = ScrollAmount.SmallDecrement;
}
if (direction == ScrollAmount.SmallDecrement && scrollProvider.VerticalScrollPercent == 0)
{
throw new NotSupportedException(ResourcesLocal3.Instance.ErrorNotFoundItem);
}
scrollProvider.Scroll(ScrollAmount.NoAmount, direction);
InvokeUtility.DoEvents();
}
}
private async void SetDepthListboxScrollPosition()
{
try
{
await Task.Delay(1000);
System.Windows.Application.Current.Dispatcher.Invoke(() =>
{
if (this.DepthListBox.Items.Count > 0)
{
try
{
// ListBoxからAutomationPeerを取得
var peer = ItemsControlAutomationPeer.CreatePeerForElement(this.DepthListBox);
// GetPatternでIScrollProviderを取得
var scrollProvider = peer.GetPattern(System.Windows.Automation.Peers.PatternInterface.Scroll) as IScrollProvider;
if (scrollProvider != null)
{
if (scrollProvider.VerticallyScrollable)
{
try
{
// パーセントで位置を指定してスクロール
scrollProvider.SetScrollPercent(
// 水平スクロールは今の位置
scrollProvider.HorizontalScrollPercent,
// 垂直方向50%
50.0);
}
catch
{
System.Diagnostics.Debug.WriteLine("■■■■■ SetDepthListboxScrollPosition scrollProvider null Error");
}
}
}
}
catch
{
System.Diagnostics.Debug.WriteLine("■■■■■ SetDepthListboxScrollPosition SetScrollPercent Error");
}
}
});
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("■■■■■ SetDepthListboxScrollPosition Exception: " + e);
}
}
private UIElement GetWrapper()
{
UIElement wrapper = null;
ItemsControlAutomationPeer itemsControlAutomationPeer = ItemsControlAutomationPeer;
if (itemsControlAutomationPeer != null)
{
ItemsControl owner = (ItemsControl)(itemsControlAutomationPeer.Owner);
if (owner != null)
{
wrapper = owner.ItemContainerGenerator.ContainerFromItem(Item) as UIElement;
}
}
return(wrapper);
}
internal RibbonGalleryItem GetOwningRibbonGalleryItem()
{
RibbonGalleryItem owningRibbonGalleryItem = null;
ItemsControlAutomationPeer itemsControlAutomationPeer = ItemsControlAutomationPeer;
if (itemsControlAutomationPeer != null)
{
RibbonGalleryCategory containingCategory = (RibbonGalleryCategory)(itemsControlAutomationPeer.Owner);
if (containingCategory != null)
{
owningRibbonGalleryItem = (RibbonGalleryItem)containingCategory.ItemContainerGenerator.ContainerFromItem(Item);
}
}
return(owningRibbonGalleryItem);
}
private void ThisIsCalledWhenPropertyIsChanged(object sender, EventArgs e)
{
// ItemsSourceプロパティの値が変更された場合、ListViewの垂直方向のスクロール位置を先頭に移動する
// (ItemsSourceプロパティのコレクションへの操作では、この処理は行われないので注意してください)
// ListViewからAutomationPeerを取得
var peer = ItemsControlAutomationPeer.CreatePeerForElement(AssociatedObject);
// GetPatternでIScrollProviderを取得
var scrollProvider = peer.GetPattern(PatternInterface.Scroll) as IScrollProvider;
if (scrollProvider.VerticallyScrollable)
{
scrollProvider.SetScrollPercent(
// 水平スクロールは今の位置
scrollProvider.HorizontalScrollPercent,
// 垂直方向は先頭！（０％）
0.0);
}
}
/// <summary>
/// DataGridを一番下までスクロールさせます。
/// </summary>
private static void OnAutoScrollToEndChanged(DependencyObject s, DependencyPropertyChangedEventArgs e)
{
var dataGrid = s as DataGrid;
var data = dataGrid.Items.SourceCollection as INotifyCollectionChanged;
var peer = ItemsControlAutomationPeer.CreatePeerForElement(dataGrid);
if (peer == null)
{
Log.Error(
"dataGridのItemsControlAutomationPeerが取得できません。");
return;
}
var handler = new NotifyCollectionChangedEventHandler(
(s1, e1) =>
{
var provider = peer.GetPattern(PatternInterface.Scroll)
as IScrollProvider;
if (provider == null || !provider.VerticallyScrollable)
{
// スクロールバーがない可能性。
return;
}
provider.SetScrollPercent(
ScrollPatternIdentifiers.NoScroll,
100);
});
if ((bool)e.NewValue)
{
data.CollectionChanged += handler;
}
else
{
data.CollectionChanged -= handler;
}
}
public RibbonControlDataAutomationPeer(object item, ItemsControlAutomationPeer itemsControlPeer)
: base(item, itemsControlPeer)
{
}
static TreeViewItem GetItemAndScrollIntoView(TreeView tree, ItemsControl parent, int i)
{
var box = VisualTreeHelper.GetDescendantBounds(tree);
var peer = ItemsControlAutomationPeer.CreatePeerForElement(tree);
var scrollProvider = peer.GetPattern(PatternInterface.Scroll) as IScrollProvider;
var direction = ScrollAmount.SmallIncrement;
bool min1 = false;
bool max1 = false;
while (true)
{
var item = parent.ItemContainerGenerator.ContainerFromIndex(i) as TreeViewItem;
if (item != null)
{
item.BringIntoView();
InvokeUtility.DoEvents();
var top = item.TranslatePoint(new Point(), tree);
if (box.Contains(new Point(box.X, top.Y + item.ActualHeight / 2)))
{
return(item);
}
}
if (scrollProvider.VerticalScrollPercent == 100)
{
if (max1)
{
direction = ScrollAmount.SmallDecrement;
}
else
{
max1 = true;
}
}
if (direction == ScrollAmount.SmallDecrement && scrollProvider.VerticalScrollPercent == 0)
{
if (min1)
{
if (item != null)
{
return(item);
}
throw new NotSupportedException(ResourcesLocal3.Instance.ErrorNotFoundItem);
}
else
{
min1 = true;
}
}
if (!scrollProvider.VerticallyScrollable)
{
if (item != null)
{
return(item);
}
}
scrollProvider.Scroll(ScrollAmount.NoAmount, direction);
InvokeUtility.DoEvents();
}
}
///
public RibbonGalleryItemDataAutomationPeer(object owner, ItemsControlAutomationPeer itemsControlAutomationPeer, RibbonGalleryCategoryDataAutomationPeer parentCategoryDataAutomationPeer)
: base(owner, itemsControlAutomationPeer)
{
_parentCategoryDataAutomationPeer = parentCategoryDataAutomationPeer;
}
protected ItemAutomationPeer(object item, ItemsControlAutomationPeer itemsControlAutomationPeer) : base((FrameworkElement)itemsControlAutomationPeer.Owner)
{
}
public TreeGridRowDataItemAutomationPeer(object item, ItemsControlAutomationPeer itemsControlAutomationPeer)
: base(item, itemsControlAutomationPeer)
{
}
///
public RibbonGalleryCategoryDataAutomationPeer(object owner, ItemsControlAutomationPeer itemsControlAutomationPeer)
: base(owner, itemsControlAutomationPeer)
{
}
public PropertyItemAutomationPeer(object item, ItemsControlAutomationPeer itemsControlAutomationPeer) : base(item, itemsControlAutomationPeer)
{
}
public AccessibleItemAutomationPeer(object item, ItemsControlAutomationPeer itemsControlAutomationPeer)
: base(item, itemsControlAutomationPeer)
{
}
/// <summary>
/// Initializes a new instance of the TreeViewItemDataAutomationPeer class.
/// </summary>
/// <param name="item">The TreeViewItem.</param>
/// <param name="parent">The TreeViewList parent control instance for which to create the peer.</param>
public TreeViewItemDataAutomationPeer(object item, ItemsControlAutomationPeer parent)
: base(item, parent)
{
}
public CookiecutterDataItemAutomationPeer(CookiecutterTreeView treeView, object item, ItemsControlAutomationPeer itemsControlAutomationPeer, TreeViewDataItemAutomationPeer parentDataItemAutomationPeer)
: base(item, itemsControlAutomationPeer, parentDataItemAutomationPeer)
{
_treeView = treeView;
}
public CookiecutterInvokableDataItemAutomationPeer(CookiecutterTreeView treeView, object item, ItemsControlAutomationPeer itemsControlAutomationPeer, TreeViewDataItemAutomationPeer parentDataItemAutomationPeer)
: base(treeView, item, itemsControlAutomationPeer, parentDataItemAutomationPeer)
{
}
/// <summary>
/// Initialises a new instance of the <see cref="AccordionItemAutomationPeer"/> class.
/// </summary>
/// <param name="item">The item associated with this AutomationPeer</param>
/// <param name="itemsControlAutomationPeer">The Accordion that is associated with this item.</param>
public AccordionItemAutomationPeer(object item, ItemsControlAutomationPeer itemsControlAutomationPeer)
: base(item, itemsControlAutomationPeer)
{
}
