public bool RemoveSelection(int i)
{
IRawElementProviderSimple[] selection
= selectionProvider.GetSelection();
if (selection == null || i < 0 || i > selection.Length - 1)
{
return(false);
}
AutomationPeer childPeer = selection[i].AutomationPeer;
if (childPeer == null)
{
return(false);
}
ISelectionItemProvider childItem = childPeer.GetPattern(
PatternInterface.SelectionItem) as ISelectionItemProvider;
if (childItem == null)
{
return(false);
}
try {
if (childItem.IsSelected)
{
childItem.RemoveFromSelection();
}
else
{
return(false);
}
} catch (InvalidOperationException e) {
// May happen, ie, if a ComboBox requires a selection
Log.Debug(e);
return(false);
}
return(true);
}
// This method is called from DataGrid.OnSelectedCellsChanged
// Raises the selection events when Cell selection changes
internal void RaiseAutomationCellSelectedEvent(SelectedCellsChangedEventArgs e)
{
// If the result of an AddToSelection or RemoveFromSelection is a single selected cell,
// then all we raise is the ElementSelectedEvent for single item
if (AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementSelected) &&
this.OwningDataGrid.SelectedCells.Count == 1 && e.AddedCells.Count == 1)
{
DataGridCellItemAutomationPeer cellPeer = GetCellItemPeer(e.AddedCells[0]);
if (cellPeer != null)
{
cellPeer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementSelected);
}
}
else
{
int i;
if (AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementAddedToSelection))
{
for (i = 0; i < e.AddedCells.Count; i++)
{
DataGridCellItemAutomationPeer cellPeer = GetCellItemPeer(e.AddedCells[i]);
if (cellPeer != null)
{
cellPeer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementAddedToSelection);
}
}
}
if (AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection))
{
for (i = 0; i < e.RemovedCells.Count; i++)
{
DataGridCellItemAutomationPeer cellPeer = GetCellItemPeer(e.RemovedCells[i]);
if (cellPeer != null)
{
cellPeer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection);
}
}
}
}
}
IRawElementProviderSimple IGridProvider.GetItem(int row, int column)
{
EnsureEnabled();
if (this.OwningDataGrid != null &&
this.OwningDataGrid.DataConnection != null &&
row >= 0 && row < _group.GroupItems.Count /*ItemCount*/ &&
column >= 0 && column < this.OwningDataGrid.Columns.Count)
{
DataGridRowGroupInfo groupInfo = this.OwningDataGrid.RowGroupInfoFromCollectionViewGroup(_group);
if (groupInfo != null)
{
// Adjust the row index to be relative to the DataGrid instead of the group
row = groupInfo.Slot - this.OwningDataGrid.RowGroupHeadersTable.GetIndexCount(0, groupInfo.Slot) + row + 1;
Debug.Assert(row >= 0, "Expected positive row.");
Debug.Assert(row < this.OwningDataGrid.DataConnection.Count, "Expected row smaller than this.OwningDataGrid.DataConnection.Count.");
int slot = this.OwningDataGrid.SlotFromRowIndex(row);
if (!this.OwningDataGrid.IsSlotVisible(slot))
{
object item = this.OwningDataGrid.DataConnection.GetDataItem(row);
this.OwningDataGrid.ScrollIntoView(item, this.OwningDataGrid.Columns[column]);
}
Debug.Assert(this.OwningDataGrid.IsSlotVisible(slot), "Expected OwningDataGrid.IsSlotVisible(slot) is true.");
DataGridRow dgr = this.OwningDataGrid.DisplayData.GetDisplayedElement(slot) as DataGridRow;
// the first cell is always the indentation filler cell if grouping is enabled, so skip it
Debug.Assert(column + 1 < dgr.Cells.Count, "Expected column + 1 smaller than dgr.Cells.Count.");
DataGridCell cell = dgr.Cells[column + 1];
AutomationPeer peer = CreatePeerForElement(cell);
if (peer != null)
{
return(ProviderFromPeer(peer));
}
}
}
return(null);
}
public override void GetName_AttachedProperty0Event()
{
if (!EventsManager.Instance.AutomationSingletonExists)
{
EnqueueTestComplete();
return;
}
CreateAsyncTest(calendar,
() => {
List <AutomationPeer> buttonChildren = GetButtonChildren();
FrameworkElement fe = ((FrameworkElementAutomationPeer)buttonChildren [0]).Owner as FrameworkElement;
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(fe);
AutomationPropertyEventTuple tuple = null;
EventsManager.Instance.Reset();
tuple = EventsManager.Instance.GetAutomationEventFrom(peer, AutomationElementIdentifiers.NameProperty);
Assert.IsNull(tuple, "#0");
EventsManager.Instance.Reset();
fe.SetValue(AutomationProperties.NameProperty, "Attached Name");
tuple = EventsManager.Instance.GetAutomationEventFrom(peer, AutomationElementIdentifiers.NameProperty);
Assert.IsNotNull(tuple, "#1");
Assert.AreEqual("Attached Name", (string)tuple.NewValue, "#2");
Assert.AreEqual(CURRENT_MONTH, tuple.OldValue, "#3");
EventsManager.Instance.Reset();
fe.SetValue(AutomationProperties.NameProperty, "Name");
tuple = EventsManager.Instance.GetAutomationEventFrom(peer, AutomationElementIdentifiers.NameProperty);
Assert.IsNotNull(tuple, "#4");
Assert.AreEqual("Name", (string)tuple.NewValue, "#5");
Assert.AreEqual("Attached Name", (string)tuple.OldValue, "#6");
EventsManager.Instance.Reset();
fe.SetValue(AutomationProperties.NameProperty, null);
tuple = EventsManager.Instance.GetAutomationEventFrom(peer, AutomationElementIdentifiers.NameProperty);
Assert.IsNotNull(tuple, "#7");
Assert.AreEqual(CURRENT_MONTH, (string)tuple.NewValue, "#8");
Assert.AreEqual("Name", (string)tuple.OldValue, "#9");
});
}
public bool AddSelection(int i)
{
AutomationPeer childPeer = GetChildAt(i);
if (childPeer == null)
{
return(false);
}
ISelectionItemProvider childItem = childPeer.GetPattern(
PatternInterface.SelectionItem) as ISelectionItemProvider;
if (childItem == null)
{
return(false);
}
if (selectionProvider.CanSelectMultiple)
{
try {
childItem.AddToSelection();
} catch (InvalidOperationException e) {
Log.Debug(e);
return(false);
}
}
else
{
try {
childItem.Select();
} catch (ElementNotEnabledException e) {
Log.Debug(e);
return(false);
} catch (InvalidOperationException e) {
Log.Debug(e);
return(false);
}
}
return(true);
}
private void OnOwnerPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (!AutomationPeer.ListenerExists(AutomationEvents.PropertyChanged))
{
return;
}
Debug.Assert(sender == this.Owner);
if (string.IsNullOrEmpty(e.PropertyName) || (e.PropertyName == DataGridGroupAutomationPeer.GroupIsExpandedPropertyName))
{
if (this.Owner.IsExpanded)
{
this.RaisePropertyChangedEvent(ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, ExpandCollapseState.Collapsed, ExpandCollapseState.Expanded);
}
else
{
this.RaisePropertyChangedEvent(ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, ExpandCollapseState.Expanded, ExpandCollapseState.Collapsed);
}
}
}
public override object GetPattern(PatternInterface patternInterface)
{
if (patternInterface == PatternInterface.Scroll)
{
DataGridControl owner = this.DataGridControl;
ScrollViewer scrollViewer = owner.ScrollViewer;
if (scrollViewer != null)
{
AutomationPeer peer = UIElementAutomationPeer.CreatePeerForElement(scrollViewer);
if ((peer != null) && (peer is IScrollProvider))
{
peer.EventsSource = this;
return(peer);
}
}
}
return(m_innerDataGridContextAutomationPeer.GetPattern(patternInterface));
}
internal void AutomationGetSelectionContainerUIAPeer(out AutomationPeer ppPeer)
{
//wrl.ComPtr<xaml.Automation.Peers.FrameworkElementAutomationPeerStatics> spAutomationPeerStatics;
AutomationPeer spAutomationPeer;
UIElement spLoopingSelectorAsUI;
LoopingSelector pLoopingSelectorNoRef = null;
GetParentNoRef(out pLoopingSelectorNoRef);
//(pLoopingSelectorNoRef.QueryInterface(
// __uuidof(UIElement),
// &spLoopingSelectorAsUI));
spLoopingSelectorAsUI = this;
//(wf.GetActivationFactory(
// wrl_wrappers.Hstring(RuntimeClass_Microsoft_UI_Xaml_Automation_Peers_FrameworkElementAutomationPeer),
// &spAutomationPeerStatics));
//spAutomationPeerStatics.CreatePeerForElement(spLoopingSelectorAsUI, &spAutomationPeer);
spAutomationPeer = FrameworkElementAutomationPeer.CreatePeerForElement(spLoopingSelectorAsUI);
//spAutomationPeer.CopyTo(ppPeer);
ppPeer = spAutomationPeer;
}
private static void OnDrawerStateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var sideDrawer = d as RadSideDrawer;
var mainContent = sideDrawer.MainContent as FrameworkElement;
if (mainContent != null)
{
mainContent.IsHitTestVisible = (DrawerState)e.NewValue == DrawerState.Closed;
}
sideDrawer.CommandService.ExecuteCommand(CommandId.DrawerStateChanged, e.NewValue);
if (AutomationPeer.ListenerExists(AutomationEvents.PropertyChanged))
{
var peer = FrameworkElementAutomationPeer.FromElement(sideDrawer) as RadSideDrawerAutomationPeer;
if (peer != null)
{
peer.RaiseExpandCollapseAutomationEvent((DrawerState)e.OldValue, (DrawerState)e.NewValue);
}
}
}
// Token: 0x06005872 RID: 22642 RVA: 0x00188288 File Offset: 0x00186488
private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ToolTip toolTip = (ToolTip)d;
if ((bool)e.NewValue)
{
if (toolTip._parentPopup == null)
{
toolTip.HookupParentPopup();
}
}
else if (AutomationPeer.ListenerExists(AutomationEvents.ToolTipClosed))
{
AutomationPeer automationPeer = UIElementAutomationPeer.CreatePeerForElement(toolTip);
if (automationPeer != null)
{
automationPeer.RaiseAutomationEvent(AutomationEvents.ToolTipClosed);
}
}
Control.OnVisualStatePropertyChanged(d, e);
}
/// <summary>
/// Retrieves a UI Automation provider for each child element that is
/// selected.
/// </summary>
/// <returns>An array of UI Automation providers.</returns>
/// <remarks>
/// This API supports the .NET Framework infrastructure and is not
/// intended to be used directly from your code.
/// </remarks>
public IRawElementProviderSimple[] GetSelection()
{
Accordion owner = this.OwnerAccordion;
List <IRawElementProviderSimple> selection = new List <IRawElementProviderSimple>(owner.SelectedIndices.Count);
foreach (int index in owner.SelectedIndices)
{
AccordionItem item = owner.ItemContainerGenerator.ContainerFromIndex(index) as AccordionItem;
if (item != null)
{
AutomationPeer peer = FromElement(item);
if (peer != null)
{
selection.Add(this.ProviderFromPeer(peer));
}
}
}
return(selection.ToArray());
}
public override void GetChildren()
{
bool sliderLoaded = false;
Slider slider = new Slider();
slider.Loaded += (o, e) => sliderLoaded = true;
TestPanel.Children.Add(slider);
SliderAutomationPeerPoker sapp = new SliderAutomationPeerPoker(slider);
EnqueueConditional(() => sliderLoaded, "SliderLoaded #0");
Enqueue(() => {
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(slider);
Assert.IsNotNull(peer, "FrameworkElementAutomationPeer.CreatePeerForElement");
List <AutomationPeer> children = sapp.GetChildren();
Assert.IsNotNull(children, "GetChildren #0");
Assert.AreEqual(3, children.Count, "GetChildren #1");
});
EnqueueTestComplete();
}
// Return proxy representing the root of this WCP tree...
private object InContextFragmentRoot(object unused)
{
AutomationPeer peer = Peer;
AutomationPeer root = peer;
if (root == null)
{
return(null);
}
while (true)
{
AutomationPeer parent = root.GetParent();
if (parent == null)
{
break;
}
root = parent;
}
return(StaticWrap(root, peer));
}
public override void GetLabeledBy_AttachedProperty()
{
FrameworkElement fe = CreateConcreteFrameworkElement();
FrameworkElementAutomationPeerContract feap = CreateConcreteFrameworkElementAutomationPeer(fe);
Assert.IsNull(feap.GetLabeledBy(), "GetLabeledBy");
Assert.IsNull(feap.GetLabeledByCore_(), "GetLabeledByCore");
TextBlock labeledBy = new TextBlock();
labeledBy.Text = "LabeledBy text";
AutomationPeer labeledByPeer = FrameworkElementAutomationPeer.CreatePeerForElement(labeledBy);
fe.SetValue(AutomationProperties.LabeledByProperty, labeledBy);
Assert.AreSame(labeledByPeer, feap.GetLabeledBy(), "GetLabeledBy #1");
Assert.AreSame(labeledByPeer, feap.GetLabeledByCore_(), "GetLabeledByCore #1");
fe.SetValue(AutomationProperties.LabeledByProperty, null);
Assert.IsNull(feap.GetLabeledBy(), "GetLabeledBy #2");
Assert.IsNull(feap.GetLabeledByCore_(), "GetLabeledByCore #2");
}
private static void UpdateImportantForAccessibilityForAddedChild(UIElement parent, DependencyObject child)
{
var parentPeer = FrameworkElementAutomationPeer.FromElement(parent);
if (DoesHideDescendants(parent) ||
IsHiddenByAncestor(parentPeer))
{
if (child is UIElement childElement)
{
// If an ancestor is "hiding" the element, set AccessibilityView to Raw.
AutomationPeer childPeer = FrameworkElementAutomationPeer.FromElement(childElement);
AutomationProperties.SetAccessibilityView(childElement, AccessibilityView.Raw);
SetChildrenAccessibilityView(childPeer, AccessibilityView.Raw);
}
else
{
// If the parent or an ancestor is "hiding" the children, set AccessibilityView to Raw.
SetChildrenAccessibilityView(parentPeer, AccessibilityView.Raw);
}
}
}
IRawElementProviderSimple[] ITableItemProvider.GetRowHeaderItems()
{
if (this.OwningDataGrid != null &&
(this.OwningDataGrid.HeadersVisibility & DataGridHeadersVisibility.Row) == DataGridHeadersVisibility.Row)
{
DataGridAutomationPeer dataGridAutomationPeer = UIElementAutomationPeer.CreatePeerForElement(this.OwningDataGrid) as DataGridAutomationPeer;
DataGridItemAutomationPeer dataGridItemAutomationPeer = dataGridAutomationPeer.GetOrCreateItemPeer(_item);
if (dataGridItemAutomationPeer != null)
{
AutomationPeer rowHeaderAutomationPeer = dataGridItemAutomationPeer.RowHeaderAutomationPeer;
if (rowHeaderAutomationPeer != null)
{
List <IRawElementProviderSimple> providers = new List <IRawElementProviderSimple>(1);
providers.Add(ProviderFromPeer(rowHeaderAutomationPeer));
return(providers.ToArray());
}
}
}
return(null);
}
/// <summary>
/// Generates name from peer and list of children.
/// Warning! It has clearing the Name AP as a side effect!
/// </summary>
/// <param name="peer"></param>
/// <returns>Generated name.</returns>
private static string GenerateNameFromPeer(AutomationPeer peer)
{
// Clear Name attached property to unhide any name generated by peer
var element = GetUIElementFromAutomationPeer(peer);
if (element != null)
{
element.ClearValue(AutomationProperties.NameProperty);
}
var ownName = peer.GetName();
if (!string.IsNullOrEmpty(ownName))
{
// Own name present, we can use
return(ownName);
}
// Defer to children
return(GenerateNameFromChildren(peer.GetChildren()));
}
/// <summary>Responds to a list box selection change by raising a <see cref="E:System.Windows.Controls.Primitives.Selector.SelectionChanged" /> event. </summary>
/// <param name="e">Provides data for <see cref="T:System.Windows.Controls.SelectionChangedEventArgs" />. </param>
// Token: 0x06005130 RID: 20784 RVA: 0x0016C274 File Offset: 0x0016A474
protected override void OnSelectionChanged(SelectionChangedEventArgs e)
{
base.OnSelectionChanged(e);
if (this.SelectionMode == SelectionMode.Single)
{
ItemsControl.ItemInfo internalSelectedInfo = base.InternalSelectedInfo;
ListBoxItem listBoxItem = (internalSelectedInfo != null) ? (internalSelectedInfo.Container as ListBoxItem) : null;
if (listBoxItem != null)
{
this.UpdateAnchorAndActionItem(internalSelectedInfo);
}
}
if (AutomationPeer.ListenerExists(AutomationEvents.SelectionPatternOnInvalidated) || AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementSelected) || AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementAddedToSelection) || AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection))
{
ListBoxAutomationPeer listBoxAutomationPeer = UIElementAutomationPeer.CreatePeerForElement(this) as ListBoxAutomationPeer;
if (listBoxAutomationPeer != null)
{
listBoxAutomationPeer.RaiseSelectionEvents(e);
}
}
}
/// <summary>
/// Retrieves a UI Automation provider for each child element that is
/// selected.
/// </summary>
/// <returns>A collection of UI Automation providers.</returns>
/// <remarks>
/// This API supports the .NET Framework infrastructure and is not
/// intended to be used directly from your code.
/// </remarks>
IRawElementProviderSimple[] ISelectionProvider.GetSelection()
{
if (OwnerAutoCompleteBox.SelectionAdapter != null)
{
object selectedItem = OwnerAutoCompleteBox.SelectionAdapter.SelectedItem;
if (selectedItem != null)
{
UIElement uie = selectedItem as UIElement;
if (uie != null)
{
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(uie);
if (peer != null)
{
return(new IRawElementProviderSimple[] { ProviderFromPeer(peer) });
}
}
}
}
return(new IRawElementProviderSimple[] { });
}
public override void StructureChanged_Events()
{
if (!EventsManager.Instance.AutomationSingletonExists)
{
EnqueueTestComplete();
return;
}
AutomationPeer peer = null;
TabControl tabControl = CreateConcreteFrameworkElement() as TabControl;
CreateAsyncTest(tabControl,
() => {
peer = FrameworkElementAutomationPeer.CreatePeerForElement(tabControl);
Assert.IsNotNull(peer, "FrameworkElementAutomationPeer.CreatePeerForElement #0");
AutomationEventTuple tuple
= EventsManager.Instance.GetAutomationEventFrom(peer, AutomationEvents.StructureChanged);
Assert.IsNull(tuple, "GetAutomationEventFrom #0");
},
() => {
EventsManager.Instance.Reset();
tabControl.Items.Add(new TabItem()
{
Header = "Item 0"
});
},
() => {
AutomationEventTuple tuple
= EventsManager.Instance.GetAutomationEventFrom(peer, AutomationEvents.StructureChanged);
Assert.IsNotNull(tuple, "GetAutomationEventFrom #1");
},
() => {
EventsManager.Instance.Reset();
tabControl.Items.RemoveAt(0);
},
() => {
AutomationEventTuple tuple
= EventsManager.Instance.GetAutomationEventFrom(peer, AutomationEvents.StructureChanged);
Assert.IsNotNull(tuple, "GetAutomationEventFrom #2");
});
}
public void StructureChanged_Events()
{
if (!EventsManager.Instance.AutomationSingletonExists)
{
EnqueueTestComplete();
return;
}
bool scrollbarLoaded = false;
bool scrollbarLayoutUpdated = false;
ScrollBar scrollbar = new ScrollBar();
scrollbar.Orientation = Orientation.Vertical;
scrollbar.Loaded += (o, e) => scrollbarLoaded = true;
TestPanel.Children.Add(scrollbar);
ScrollBarAutomationPeerPoker sbapp = new ScrollBarAutomationPeerPoker(scrollbar);
EnqueueConditional(() => scrollbarLoaded, "ScrollBarLoaded #0");
Enqueue(() => {
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(scrollbar);
Assert.IsNotNull(peer, "FrameworkElementAutomationPeer.CreatePeerForElement");
List <AutomationPeer> children = sbapp.GetChildren();
Assert.IsNotNull(children, "GetChildren #0");
Assert.AreEqual(5, children.Count, "GetChildren #1");
scrollbar.LayoutUpdated += (o, e) => scrollbarLayoutUpdated = true;
EventsManager.Instance.Reset();
scrollbar.Orientation = Orientation.Horizontal;
});
EnqueueConditional(() => scrollbarLayoutUpdated, "ScrollBarLayoutUpdated #0");
Enqueue(() => {
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(scrollbar);
Assert.IsNotNull(peer, "FrameworkElementAutomationPeer.CreatePeerForElement");
AutomationEventTuple tuple = EventsManager.Instance.GetAutomationEventFrom(peer, AutomationEvents.StructureChanged);
Assert.IsNotNull(tuple, "AutomationEvents.StructureChanged #0");
});
EnqueueTestComplete();
}
public void IGridItemProvider_Methods()
{
AutomationPeer calendarAutomationPeer = null;
DateTime date = new DateTime(2000, 2, 2);
List <AutomationPeer> buttonChildren = null;
CreateAsyncTest(calendar,
() => {
calendarAutomationPeer = FrameworkElementAutomationPeer.CreatePeerForElement(calendar);
Assert.IsNotNull(calendarAutomationPeer, "#0");
buttonChildren = GetButtonChildren();
Assert.IsNotNull(buttonChildren.Count, "#1");
Assert.AreEqual(12, buttonChildren.Count, "#2");
},
() => { calendar.SelectedDate = date; },
() => {
int count = 0;
foreach (AutomationPeer peer in (from c in calendarAutomationPeer.GetChildren()
where c.GetType() == typeof(CalendarButtonAutomationPeer)
select c))
{
FrameworkElementAutomationPeer feap = peer as FrameworkElementAutomationPeer;
Assert.IsNotNull("#3");
IGridItemProvider gridItem = (IGridItemProvider)peer.GetPattern(PatternInterface.GridItem);
Assert.IsNotNull(gridItem, "#4");
Assert.AreEqual(feap.Owner.GetValue(Grid.ColumnProperty), gridItem.Column, "#5");
Assert.AreEqual((int)feap.Owner.GetValue(Grid.RowProperty), gridItem.Row, "#6");
Assert.AreEqual(1, gridItem.ColumnSpan, "#7");
Assert.AreEqual(1, gridItem.RowSpan, "#8");
Assert.AreEqual(calendarAutomationPeer, new PeerFromProvider().GetPeerFromProvider(gridItem.ContainingGrid), "#9");
count++;
}
Assert.AreEqual(12, count, "#10");
});
}
public void ValueProvider_Methods()
{
bool concreteLoaded = false;
ComboBoxConcrete concrete = CreateConcreteFrameworkElement() as ComboBoxConcrete;
concrete.Loaded += (o, e) => concreteLoaded = true;
concrete.Items.Add(new ComboBoxItem()
{
Content = "1"
});
concrete.Items.Add(new ComboBoxItem()
{
Content = "2"
});
concrete.Width = 300;
TestPanel.Children.Add(concrete);
EnqueueConditional(() => concreteLoaded, "ConcreteLoaded #0");
Enqueue(() => concrete.ApplyTemplate());
Enqueue(() => {
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(concrete);
Assert.IsNotNull(peer, "CreatePeerForElement #0");
IValueProvider value
= peer.GetPattern(PatternInterface.Value) as IValueProvider;
// Yes is returning null!
Assert.IsNull(value, "ValueProvider #0");
// We are going to try again using explicit cast
value = peer as IValueProvider;
Assert.IsNotNull(value, "ValueProvider #1");
// We can't change the value anyway
Assert.IsTrue(value.IsReadOnly, "IsReadOnly #0");
Assert.Throws <InvalidOperationException> (delegate {
value.SetValue("1");
}, "SetValue #0");
});
EnqueueTestComplete();
}
/// <summary>
/// Recursively sets AccessibilityView to <paramref name="accessibilityView"/> for <paramref name="parentPeer"/> children.
/// </summary>
/// <param name="parentPeer"></param>
/// <param name="accessibilityView"></param>
private static void SetChildrenAccessibilityView(AutomationPeer parentPeer, AccessibilityView accessibilityView)
{
if (parentPeer?.GetChildren() == null)
{
return;
}
foreach (AutomationPeer childPeer in parentPeer.GetChildren())
{
UIElement child = GetUIElementFromAutomationPeer(childPeer);
if (child != null)
{
AutomationProperties.SetAccessibilityView(child, accessibilityView);
// If element is hidden clear the generated label if any.
if (IsInGenerativeStateAndHidden(child))
{
child.ClearValue(AutomationProperties.NameProperty);
}
}
SetChildrenAccessibilityView(childPeer, accessibilityView);
}
}
protected override List <AutomationPeer> GetChildrenCore()
{
List <AutomationPeer> children = GetItemPeers();
DataGridColumnHeadersPresenter columnsHeaderPresenter = this.OwningDataGrid.ColumnHeadersPresenter;
// Add ColumnsHeaderPresenter if it is visible
if (columnsHeaderPresenter != null && columnsHeaderPresenter.IsVisible)
{
AutomationPeer columnsHeaderPresenterPeer = FrameworkElementAutomationPeer.CreatePeerForElement(columnsHeaderPresenter);
if (columnsHeaderPresenterPeer != null)
{
if (children == null)
{
children = new List <AutomationPeer>(1);
}
children.Insert(0, columnsHeaderPresenterPeer);
}
}
return(children);
}
/// <summary>
/// The KB should only show when we have an object that implements the
/// UIAutomation Text pattern. Therefore, we should test for this
/// pattern on any focused object that we get.
/// </summary>
/// <param name="focusedObject">The object being focused</param>
/// <returns>True if the touch KB should show, false otherwise.</returns>
private static bool ShouldShow(DependencyObject focusedObject)
{
UIElement uiElement;
UIElement3D uiElement3D;
ContentElement contentElement;
AutomationPeer peer = null;
if ((uiElement = focusedObject as UIElement) != null)
{
peer = uiElement.GetAutomationPeer();
}
else if ((uiElement3D = focusedObject as UIElement3D) != null)
{
peer = uiElement3D.GetAutomationPeer();
}
else if ((contentElement = focusedObject as ContentElement) != null)
{
peer = contentElement.GetAutomationPeer();
}
return(peer?.GetPattern(PatternInterface.Text) != null);
}
internal void RaiseAutomationInvokeEvents(DataGridEditingUnit editingUnit, DataGridColumn column, DataGridRow row)
{
switch (editingUnit)
{
case DataGridEditingUnit.Cell:
{
DataGridCell cell = row.Cells[column.Index];
AutomationPeer peer = FromElement(cell);
if (peer != null)
{
peer.InvalidatePeer();
}
else
{
peer = CreatePeerForElement(cell);
}
if (peer != null)
{
#if DEBUG_AUTOMATION
Debug.WriteLine(peer.ToString() + ".RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked)");
#endif
peer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked);
}
break;
}
case DataGridEditingUnit.Row:
{
DataGridItemAutomationPeer peer = GetOrCreateItemPeer(row.DataContext);
#if DEBUG_AUTOMATION
Debug.WriteLine("DataGridItemAutomationPeer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked)");
#endif
peer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked);
break;
}
}
}
internal void RaiseSelectionEvents(CurrentSelectionChangedEventArgs args)
{
if (AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementSelected))
{
CalendarSelectableCellnfoAutomationPeer peer = GetOrCreatePeerFromDateTime(args.NewSelection);
if (peer != null)
{
peer.RaiseAutomationEvent(AutomationEvents.AutomationFocusChanged);
peer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementSelected);
}
}
if (AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementAddedToSelection))
{
CalendarSelectableCellnfoAutomationPeer peer = GetOrCreatePeerFromDateTime(args.NewSelection);
if (peer != null)
{
peer.RaiseAutomationEvent(AutomationEvents.AutomationFocusChanged);
peer.RaiseAutomationEvent(AutomationEvents.SelectionItemPatternOnElementAddedToSelection);
}
}
}
protected override List <AutomationPeer> GetChildrenCore()
{
List <AutomationPeer> children = new List <AutomationPeer>();
AutoCompleteTextBox owner = OwnerAutoCompleteBox;
// TextBox part.
TextBox textBox = owner.TextBox;
if (textBox != null)
{
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(textBox);
if (peer != null)
{
children.Insert(0, peer);
}
}
// TODO: Consult UIA experts to determine whether the IsDropDownOpen
// check should be present.
// Include SelectionAdapter's children.
if (owner.IsDropDownOpen && owner.SelectionAdapter != null)
{
AutomationPeer selectionAdapterPeer = owner.SelectionAdapter.CreateAutomationPeer();
if (selectionAdapterPeer != null)
{
List <AutomationPeer> listChildren = selectionAdapterPeer.GetChildren();
if (listChildren != null)
{
foreach (AutomationPeer child in listChildren)
{
children.Add(child);
}
}
}
}
return(children);
}
/// <summary>
/// The override of ButtonBase.OnClick.
/// Informs the owning datagrid to sort itself after the execution of usual button stuff
/// </summary>
protected override void OnClick()
{
if (!SuppressClickEvent)
{
if (AutomationPeer.ListenerExists(AutomationEvents.InvokePatternOnInvoked))
{
AutomationPeer peer = UIElementAutomationPeer.CreatePeerForElement(this);
if (peer != null)
{
peer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked);
}
}
base.OnClick();
if (Column != null &&
Column.DataGridOwner != null)
{
Column.DataGridOwner.PerformSort(Column);
}
}
}
