/// <inheritdoc/>
public bool IsValid(FrameworkElement element, AutomationPeer peer)
{
if (peer?.GetAutomationControlType() == AutomationControlType.Button)
{
return(peer.GetPattern(PatternInterface.Invoke) != null ||
peer.GetPattern(PatternInterface.Toggle) != null);
}
return(true);
}
private void UpdateDOMEventHandlers(bool activate)
{
if (_activated != activate)
{
_activated = activate;
if (activate)
{
IScrollProvider scrollProvider = null;
AutomationPeer automationPeer = FrameworkElementAutomationPeer.CreatePeerForElement(AssociatedObject);
if (automationPeer != null)
{
scrollProvider = (IScrollProvider)automationPeer.GetPattern(PatternInterface.Scroll);
}
if (scrollProvider == null)
{
ScrollViewer scrollViewer = GetChildScrollViewer(AssociatedObject);
if (scrollViewer != null)
{
automationPeer = FrameworkElementAutomationPeer.CreatePeerForElement(scrollViewer);
if (automationPeer != null)
{
scrollProvider = (IScrollProvider)automationPeer.GetPattern(PatternInterface.Scroll);
}
}
}
if ((scrollProvider != null) && scrollProvider.VerticallyScrollable)
{
_scrollProvider = scrollProvider;
HtmlPage.Document.AttachEvent("DOMMouseScroll", OnBrowserDOMMouseScroll);
HtmlPage.Document.AttachEvent("onmousewheel", OnBrowserMouseWheel);
}
}
else
{
if (_scrollProvider != null)
{
_scrollProvider = null;
HtmlPage.Document.DetachEvent("DOMMouseScroll", OnBrowserDOMMouseScroll);
HtmlPage.Document.DetachEvent("onmousewheel", OnBrowserMouseWheel);
}
}
}
}
public override object GetPattern(PatternInterface patternInterface)
{
object peer = base.GetPattern(patternInterface);
RibbonTab wrapperTab = GetWrapper() as RibbonTab;
if (patternInterface == PatternInterface.ExpandCollapse &&
wrapperTab != null &&
wrapperTab.Ribbon != null &&
wrapperTab.Ribbon.IsMinimized)
{
peer = this;
}
if (patternInterface == PatternInterface.ScrollItem)
{
peer = this;
}
if (peer == null)
{
AutomationPeer wrapperPeer = GetWrapperPeer();
if (wrapperPeer != null)
{
peer = wrapperPeer.GetPattern(patternInterface);
}
}
return(peer);
}
/// <summary>
/// Gets the control pattern for the AutoCompleteBox that is associated
/// with this AutoCompleteBoxAutomationPeer.
/// </summary>
/// <param name="patternInterface">The desired PatternInterface.</param>
/// <returns>The desired AutomationPeer or null.</returns>
public override object GetPattern(PatternInterface patternInterface)
{
object iface = null;
AutoCompleteBox owner = OwnerAutoCompleteBox;
if (patternInterface == PatternInterface.Value)
{
iface = this;
}
else if (patternInterface == PatternInterface.ExpandCollapse)
{
iface = this;
}
else if (owner.SelectionAdapter != null)
{
AutomationPeer peer = owner.SelectionAdapter.CreateAutomationPeer();
if (peer != null)
{
iface = peer.GetPattern(patternInterface);
}
}
if (iface == null)
{
iface = base.GetPattern(patternInterface);
}
return(iface);
}
public void SelectionItemProvider_AddToSelection()
{
RadioButton radioButton = CreateConcreteFrameworkElement() as RadioButton;
StackPanel stackPanel = new StackPanel();
stackPanel.Children.Add(radioButton);
TestPanel.Children.Add(stackPanel);
Enqueue(() => {
AutomationPeer peer
= FrameworkElementAutomationPeer.CreatePeerForElement(radioButton);
ISelectionItemProvider selectionItem
= peer.GetPattern(PatternInterface.SelectionItem)
as ISelectionItemProvider;
Assert.IsNotNull(selectionItem);
radioButton.IsEnabled = false;
try {
selectionItem.AddToSelection();
Assert.Fail("InvalidOperationException not raised when disabled");
} catch (InvalidOperationException) { }
radioButton.IsEnabled = true;
try {
selectionItem.AddToSelection();
Assert.Fail("InvalidOperationException not raised when enabled");
} catch (InvalidOperationException) { }
});
EnqueueTestComplete();
}
private void InvokeScrollBar(int mouseDelta)
{
if (!Focused || mouseDelta == 0)
{
return;
}
short mouseNum = (short)(mouseDelta / 120);
ScrollAmount scrollAmount = ScrollAmount.NoAmount;
if (mouseNum < 0)
{
//向下滑动
if (mouseNum >= -2)
{
scrollAmount = ScrollAmount.SmallIncrement;
}
else
{
scrollAmount = ScrollAmount.LargeIncrement;
}
}
else if (mouseNum > 0)
{
//向上滑动
if (mouseNum <= 2)
{
scrollAmount = ScrollAmount.SmallDecrement;
}
else
{
scrollAmount = ScrollAmount.LargeDecrement;
}
}
if (scrollAmount == ScrollAmount.NoAmount)
{
return;
}
//修复滚轮滚动Bug
//取得AutomationPeer
AutomationPeer automationPeer = FrameworkElementAutomationPeer.FromElement(this);
if (automationPeer == null)
{
automationPeer = FrameworkElementAutomationPeer.CreatePeerForElement(this);
}
//得到scroll provider
IScrollProvider scrollProvider = automationPeer.GetPattern(PatternInterface.Scroll) as IScrollProvider;
if (scrollProvider != null)
{
if (scrollProvider.VerticallyScrollable)
{
scrollProvider.Scroll(ScrollAmount.NoAmount, scrollAmount);
}
}
}
void itemscontrol_Loaded(object sender, RoutedEventArgs e)
{
AutomationPeer ap = FrameworkElementAutomationPeer.CreatePeerForElement(this.AssociatedObject as UIElement);
ScrollViewerAutomationPeer avap = (ScrollViewerAutomationPeer)ap.GetPattern(PatternInterface.Scroll);
_scrollViewer = (ScrollViewer)avap.Owner;
SetBinding(
DataContextProperty,
new Binding
{
Path = new PropertyPath("DataContext"),
Source = AssociatedObject,
Mode = BindingMode.TwoWay
});
_dt.Tick += (_, __) =>
{
_scrollViewer.ChangeView(_scrollViewer.HorizontalOffset + HorizontalSpeed,
_scrollViewer.VerticalOffset + VerticalSpeed,
null,
true);
_scrollViewer.UpdateLayout();
};
}
public void TestHasKeyboardFocusAfterPattern()
{
StackPanel panel = new StackPanel();
ComboBox fe = CreateConcreteFrameworkElement() as ComboBox;
fe.Items.Add("Item 0");
fe.Items.Add("Item 1");
Button button = new Button()
{
Content = "Button"
};
panel.Children.Add(fe);
panel.Children.Add(button);
AutomationPeer buttonPeer = FrameworkElementAutomationPeer.CreatePeerForElement(button);
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(fe);
IExpandCollapseProvider provider = null;
CreateAsyncTest(panel,
() => {
provider = (IExpandCollapseProvider)peer.GetPattern(PatternInterface.ExpandCollapse);
Assert.IsNotNull(provider, "#1");
},
() => provider.Expand(),
() => Assert.IsTrue(peer.HasKeyboardFocus(), "#2"),
() => button.Focus(),
() => Assert.IsTrue(buttonPeer.HasKeyboardFocus(), "#3"),
() => provider.Collapse(),
() => Assert.IsTrue(peer.HasKeyboardFocus(), "#4")
);
}
public void InvokeProvider_Events()
{
if (!EventsManager.Instance.AutomationSingletonExists)
{
EnqueueTestComplete();
return;
}
TestPanel.Children.Clear();
datagrid = CreateDataGrid();
IInvokeProvider provider = null;
AutomationEventTuple tuple = null;
AutomationPeer peer = null;
CreateAsyncTest(datagrid,
() => {
peer = GetDataGridColumnHeader(datagrid);
provider = (IInvokeProvider)peer.GetPattern(PatternInterface.Invoke);
Assert.IsNotNull(provider, "GetPattern #0");
EventsManager.Instance.Reset();
},
() => {
tuple = EventsManager.Instance.GetAutomationEventFrom(peer, AutomationEvents.InvokePatternOnInvoked);
Assert.IsNull(tuple, "GetAutomationEventFrom #0");
provider.Invoke();
},
() => {
tuple = EventsManager.Instance.GetAutomationEventFrom(peer, AutomationEvents.InvokePatternOnInvoked);
Assert.IsNotNull(tuple, "GetAutomationEventFrom #1");
});
}
public override object GetPattern(PatternInterface patternInterface)
{
// In .net4 ItemAutomationPeer implements VirtualizedItemPattern, then we would need to call base.GetPattern here.
object peer = null;
if (patternInterface == PatternInterface.ScrollItem)
{
peer = this;
}
else if (patternInterface == PatternInterface.ExpandCollapse)
{
// only if RibbonGroup is Collapsed this Pattern applies.
RibbonGroup wrapperGroup = GetWrapper() as RibbonGroup;
if (wrapperGroup != null && wrapperGroup.IsCollapsed)
{
peer = this;
}
}
if (peer == null)
{
AutomationPeer wrapperPeer = GetWrapperPeer();
if (wrapperPeer != null)
{
peer = wrapperPeer.GetPattern(patternInterface);
}
}
return(peer);
}
public override object GetPattern(PatternInterface patternInterface)
{
object result = null;
FrameworkElement owner = GetWrapper();
if (owner != null)
{
RibbonMenuItem menuItemOwner = owner as RibbonMenuItem;
if (menuItemOwner == null)
{
AutomationPeer wrapperPeer = GetWrapperPeer();
if (wrapperPeer != null)
{
result = wrapperPeer.GetPattern(patternInterface);
}
}
else
{
MenuItemRole role = menuItemOwner.Role;
if (patternInterface == PatternInterface.ExpandCollapse)
{
if ((role == MenuItemRole.TopLevelHeader || role == MenuItemRole.SubmenuHeader) &&
menuItemOwner.HasItems)
{
result = this;
}
}
else if (patternInterface == PatternInterface.Toggle)
{
result = this;
}
else if (patternInterface == PatternInterface.Invoke)
{
if ((role == MenuItemRole.TopLevelItem || role == MenuItemRole.SubmenuItem) &&
!menuItemOwner.HasItems)
{
result = this;
}
}
else if (patternInterface == PatternInterface.Transform)
{
if (menuItemOwner.IsSubmenuOpen && (menuItemOwner.CanUserResizeHorizontally || menuItemOwner.CanUserResizeVertically))
{
result = this;
}
}
else
{
AutomationPeer wrapperPeer = GetWrapperPeer();
if (wrapperPeer != null)
{
result = wrapperPeer.GetPattern(patternInterface);
}
}
}
}
return(result);
}
/// <inheritdoc/>
public bool IsValid(FrameworkElement element, AutomationPeer peer)
{
if (peer?.GetPattern(PatternInterface.Selection) is ISelectionProvider provider)
{
if (provider.IsSelectionRequired)
{
return(provider.GetSelection().Length > 0);
}
}
return(true);
}
public void IGridProvider_Methods()
{
Calendar calendar = CreateConcreteFrameworkElement() as Calendar;
AutomationPeer peer = FrameworkElementAutomationPeer.CreatePeerForElement(calendar);
IGridProvider gridProvider = null;
IRawElementProviderSimple cell = null;
AutomationPeer cellPeer = null;
CreateAsyncTest(calendar,
() => {
Assert.IsNotNull(peer, "#0");
gridProvider = peer.GetPattern(PatternInterface.Grid) as IGridProvider;
Assert.IsNotNull(gridProvider, "#1");
// IGridProvider.RowCount
calendar.DisplayMode = CalendarMode.Month;
Assert.AreEqual(6, gridProvider.RowCount, "RowCount #0"); // First row displays day titles
calendar.DisplayMode = CalendarMode.Decade;
Assert.AreEqual(3, gridProvider.RowCount, "RowCount #1");
calendar.DisplayMode = CalendarMode.Year;
Assert.AreEqual(3, gridProvider.RowCount, "RowCount #2");
// IGridProvider.ColumnCount
calendar.DisplayMode = CalendarMode.Month;
Assert.AreEqual(7, gridProvider.ColumnCount, "ColumnCount #0");
calendar.DisplayMode = CalendarMode.Decade;
Assert.AreEqual(4, gridProvider.ColumnCount, "ColumnCount #1");
calendar.DisplayMode = CalendarMode.Year;
Assert.AreEqual(4, gridProvider.ColumnCount, "ColumnCount #2");
// IGridProvider.GetItem
calendar.DisplayMode = CalendarMode.Month;
cell = gridProvider.GetItem(0, 3);
Assert.IsNotNull(cell, "GetItem #0");
cellPeer = new PeerFromProvider().GetPeerFromProvider(cell);
Assert.AreEqual(typeof(CalendarDayButton).Name, cellPeer.GetClassName(), "GetItem.ClassName #0");
calendar.DisplayMode = CalendarMode.Year;
cell = gridProvider.GetItem(2, 3);
Assert.IsNotNull(cell, "GetItem #1");
cellPeer = new PeerFromProvider().GetPeerFromProvider(cell);
Assert.AreEqual(typeof(CalendarButton).Name, cellPeer.GetClassName(), "GetItem.ClassName #1");
calendar.DisplayMode = CalendarMode.Decade;
cell = gridProvider.GetItem(2, 3);
Assert.IsNotNull(cell, "GetItem #2");
cellPeer = new PeerFromProvider().GetPeerFromProvider(cell);
Assert.AreEqual(typeof(CalendarButton).Name, cellPeer.GetClassName(), "GetItem.ClassName #2");
cell = gridProvider.GetItem(10, 10);
Assert.IsNull(cell, "GetItem #3");
});
}