/// <summary>
/// Shows a tooltip for the specified control.
/// </summary>
/// <param name="control">The control.</param>
private static void ShowToolTip(Control control)
{
if (control != null && control.IsVisible && control.GetVisualRoot() != null)
{
var cp = (control.GetVisualRoot() as IInputRoot)?.MouseDevice?.GetPosition(control);
if (cp.HasValue && control.IsVisible && new Rect(control.Bounds.Size).Contains(cp.Value))
{
var position = control.PointToScreen(cp.Value) + new Vector(0, 22);
if (s_popup == null)
{
s_popup = new PopupRoot();
s_popup.Content = new ToolTip();
}
else
{
((ISetLogicalParent)s_popup).SetParent(null);
}
((ISetLogicalParent)s_popup).SetParent(control);
((ToolTip)s_popup.Content).Content = GetTip(control);
s_popup.Position = position;
s_popup.Show();
s_current = control;
}
}
}
private void InternalSetContent(UIElement value)
{
if (_main == null)
{
_rootBorder = new Border();
_fullWindow = new Border()
{
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch,
Visibility = Visibility.Collapsed
};
_popupRoot = new PopupRoot();
_main = new Grid()
{
Children =
{
_rootBorder,
_fullWindow,
_popupRoot
}
};
ApplicationActivity.Instance?.SetContentView(_main);
}
_rootBorder.Child = _content = value;
}
private void HidePopupRootIfVisible()
{
if (_isVisible)
{
//---------------------
// If the popup being closed is the one with the highest zIndex, we decrement it to reduce the chances of reaching the maximum value:
//---------------------
int closingPopupZIndex = Canvas.GetZIndex(_popupRoot);
if (closingPopupZIndex == _currentZIndex)
{
--_currentZIndex;
}
//---------------------
// Hide the PopupRoot:
//---------------------
var popupRoot = _popupRoot;
popupRoot.INTERNAL_LinkedPopup = null;
popupRoot.Content = null;
INTERNAL_PopupsManager.RemovePopupRoot(popupRoot);
_popupRoot = null;
_isVisible = false;
}
else
{
// The popup is already hidden.
}
}
private void InternalSetContent(UIElement content)
{
if (_window == null)
{
_rootBorder = new Border();
_rootScrollViewer = new ScrollViewer()
{
VerticalScrollBarVisibility = ScrollBarVisibility.Disabled,
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled,
VerticalScrollMode = ScrollMode.Disabled,
HorizontalScrollMode = ScrollMode.Disabled,
Content = _rootBorder
};
_popupRoot = new PopupRoot();
_window = new Grid()
{
Children =
{
_rootScrollViewer,
_popupRoot
}
};
}
_rootBorder.Child = _content = content;
if (content != null)
{
WebAssemblyRuntime.InvokeJS($"Uno.UI.WindowManager.current.setRootContent(\"{_window.HtmlId}\");");
}
else
{
WebAssemblyRuntime.InvokeJS($"Uno.UI.WindowManager.current.setRootContent();");
}
}
private static IControl PopupRootTemplate(PopupRoot control)
{
return(new ContentPresenter
{
Name = "PART_ContentPresenter",
[~ContentPresenter.ContentProperty] = control[~ContentControl.ContentProperty],
});
}
private static IControl PopupRootTemplate(PopupRoot control, INameScope scope)
{
return(new ContentPresenter
{
Name = "PART_ContentPresenter",
[~ContentPresenter.ContentProperty] = control[~ContentControl.ContentProperty],
}.RegisterInNameScope(scope));
}
private void EnsurePopupRoot()
{
if (PopupRoot == null)
{
PopupRoot = new PopupRoot();
Canvas.SetZIndex(PopupRoot, PopupZIndex);
}
}
internal static void OnClickOnPopupOrWindow(object sender, PointerRoutedEventArgs e)
#endif
{
// Note: If a popup has StayOpen=True, the value of "StayOpen" of its parents is ignored.
// In other words, the parents of a popup that has StayOpen=True will always stay open
// regardless of the value of their "StayOpen" property.
HashSet2 <Popup> listOfPopupThatMustBeClosed = new HashSet2 <Popup>();
List <PopupRoot> popupRootList = new List <PopupRoot>();
foreach (object obj in GetAllRootUIElements())
{
if (obj is PopupRoot)
{
PopupRoot root = (PopupRoot)obj;
popupRootList.Add(root);
if (root.INTERNAL_LinkedPopup != null)
{
listOfPopupThatMustBeClosed.Add(root.INTERNAL_LinkedPopup);
}
}
}
// We determine which popup needs to stay open after this click
foreach (PopupRoot popupRoot in popupRootList)
{
if (popupRoot.INTERNAL_LinkedPopup != null)
{
// We must prevent all the parents of a popup to be closed when:
// - this popup is set to StayOpen
// - or the click happend in this popup
Popup popup = popupRoot.INTERNAL_LinkedPopup;
if (popup.StayOpen || sender == popupRoot)
{
do
{
if (!listOfPopupThatMustBeClosed.Contains(popup))
{
break;
}
listOfPopupThatMustBeClosed.Remove(popup);
popup = popup.ParentPopup;
} while (popup != null);
}
}
}
foreach (Popup popup in listOfPopupThatMustBeClosed)
{
popup.CloseFromAnOutsideClick();
}
}
private void Close()
{
if (_popup != null)
{
_popup.Content = null;
_popup.Hide();
_popup = null;
}
}
public void Show()
{
if (FrameX == null)
{
return;
}
FrameX.Attach(this);
PopupRoot.Open();
ShowAnimation.Begin();
}
private void ShowPopupRootIfNotAlreadyVisible()
{
if (!_isVisible)
{
//---------------------
// Show the PopupRoot:
//---------------------
var child = this.Child;
// Get the window that is supposed to contain the popup:
Window parentWindow = GetParentWindowOfPopup();
// Create the popup root:
var popupRoot = INTERNAL_PopupsManager.CreateAndAppendNewPopupRoot(parentWindow);
_popupRoot = popupRoot;
_popupRoot.INTERNAL_LinkedPopup = this;
UpdatePopupParent();
// Clear the previous content if any:
if (_outerBorder != null)
{
_outerBorder.Child = null;
}
// Calculate the position of the parent of the popup, in case that the popup is in the Visual Tree:
_referencePosition = CalculateReferencePosition(parentWindow) ?? new Point();
// We make it transparent to clicks only if either the popup has a false "IsHitTestVisible", or the content of the popup has a false "IsHitTestVisible":
bool transparentToClicks = (!this.IsHitTestVisible) || (child is FrameworkElement && !((FrameworkElement)child).IsHitTestVisible);
// Create a surrounding border to enable positioning and alignment:
_outerBorder = new Border()
{
Margin = new Thickness(_referencePosition.X + this.HorizontalOffset, _referencePosition.Y + this.VerticalOffset, 0d, 0d),
Child = child,
HorizontalAlignment = this.HorizontalContentAlignment,
VerticalAlignment = this.VerticalContentAlignment,
INTERNAL_ForceEnableAllPointerEvents = INTERNAL_AllowDisableClickTransparency && !transparentToClicks, // This is here because we set "pointerEvents='none' to the PopupRoot, so we need to re-enable pointer events in the children (unless we have calculated that the popup should be "transparentToClicks").
};
// Make sure that after the OuterBorder raises the Loaded event, the PopupRoot also raises the Loaded event:
_outerBorder.Loaded += (s, e) => { popupRoot.INTERNAL_RaiseLoadedEvent(); };
popupRoot.Content = _outerBorder;
_isVisible = true;
// Show the popup in front of any potential previously displayed popup:
PutPopupInFront();
}
else
{
// The popup is already visible.
}
}
private void Open(Control control)
{
Close();
_popup = new PopupRoot {
Content = this
};
((ISetLogicalParent)_popup).SetParent(control);
_popup.Position = Popup.GetPosition(control, GetPlacement(control), _popup,
GetHorizontalOffset(control), GetVerticalOffset(control));
_popup.Show();
}
/// <summary>
/// The default template for the <see cref="PopupRoot"/> control.
/// </summary>
/// <param name="control">The control being styled.</param>
/// <returns>The root of the instantiated template.</returns>
public static Control Template(PopupRoot control)
{
return new Border
{
[~Border.BackgroundProperty] = control[~PopupRoot.BackgroundProperty],
Child = new ContentPresenter
{
Name = "contentPresenter",
[~ContentPresenter.ContentProperty] = control[~PopupRoot.ContentProperty],
}
};
}
/// <summary>
/// The default template for the <see cref="PopupRoot"/> control.
/// </summary>
/// <param name="control">The control being styled.</param>
/// <returns>The root of the instantiated template.</returns>
public static Control Template(PopupRoot control)
{
return(new Border
{
[~Border.BackgroundProperty] = control[~TemplatedControl.BackgroundProperty],
Child = new ContentPresenter
{
Name = "contentPresenter",
[~ContentPresenter.ContentProperty] = control[~ContentControl.ContentProperty],
}
});
}
private void InternalSetContent(UIElement content)
{
if (_window == null)
{
_rootBorder = new Border();
_rootScrollViewer = new ScrollViewer()
{
VerticalScrollBarVisibility = ScrollBarVisibility.Disabled,
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled,
VerticalScrollMode = ScrollMode.Disabled,
HorizontalScrollMode = ScrollMode.Disabled,
Content = _rootBorder
};
_popupRoot = new PopupRoot();
FocusVisualLayer = new Canvas();
_window = new Grid()
{
IsVisualTreeRoot = true,
Children =
{
_rootScrollViewer,
_popupRoot,
FocusVisualLayer
}
};
}
_rootBorder.Child = _content = content;
if (content != null)
{
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && !_window.IsLoaded)
{
UIElement.LoadingRootElement(_window);
}
WebAssemblyRuntime.InvokeJS($"Uno.UI.WindowManager.current.setRootContent({_window.HtmlId});");
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && !_window.IsLoaded)
{
UIElement.RootElementLoaded(_window);
}
}
else
{
WebAssemblyRuntime.InvokeJS($"Uno.UI.WindowManager.current.setRootContent();");
if (FeatureConfiguration.FrameworkElement.WasmUseManagedLoadedUnloaded && _window.IsLoaded)
{
UIElement.RootElementUnloaded(_window);
}
}
}
private static void DisposeTooltip()
{
if (s_popup != null)
{
// Clear the ToolTip's Content in case it has control content: this will
// reset its visual parent allowing it to be used again.
((ToolTip)s_popup.Content).Content = null;
// Dispose of the popup.
s_popup.Dispose();
s_popup = null;
}
}
public PopupRootAutomationPeer(PopupRoot owner)
: base(owner)
{
if (owner.IsVisible)
{
StartTrackingFocus();
}
else
{
owner.Opened += OnOpened;
}
owner.Closed += OnClosed;
}
static void Popup_PopupMoved(object sender, EventArgs e)
{
Popup popup = (Popup)sender;
PopupRoot popupRoot = popup.PopupRoot;
// Hide the popup if the parent element is not visible (for example, if the user scrolls and the TextBox becomes hidden under another control, cf. ZenDesk #628):
if (popup.PlacementTarget is FrameworkElement && popupRoot != null)
{
bool isParentVisible = INTERNAL_PopupsManager.IsPopupParentVisibleOnScreen(popup);
popupRoot.Visibility = (isParentVisible ? Visibility.Visible : Visibility.Collapsed);
}
}
private PopupRoot CreateTarget()
{
var result = new PopupRoot
{
Template = new FuncControlTemplate <PopupRoot>(_ =>
new ContentPresenter
{
Name = "PART_ContentPresenter",
}),
};
result.ApplyTemplate();
return(result);
}
private PopupRoot CreateTarget(TopLevel popupParent)
{
var result = new PopupRoot(popupParent, popupParent.PlatformImpl.CreatePopup())
{
Template = new FuncControlTemplate <PopupRoot>((parent, scope) =>
new ContentPresenter
{
Name = "PART_ContentPresenter",
[!ContentPresenter.ContentProperty] = parent[!PopupRoot.ContentProperty],
}.RegisterInNameScope(scope)),
};
result.ApplyTemplate();
return(result);
}
private PopupRoot CreateTarget()
{
var result = new PopupRoot
{
Template = new FuncControlTemplate <PopupRoot>(parent =>
new ContentPresenter
{
Name = "PART_ContentPresenter",
[!ContentPresenter.ContentProperty] = parent[!PopupRoot.ContentProperty],
}),
};
result.ApplyTemplate();
return(result);
}
private void HidePopupRootIfVisible()
{
if (_isVisible)
{
//---------------------
// Hide the PopupRoot:
//---------------------
var popupRoot = _popupRoot;
popupRoot.INTERNAL_LinkedPopup = null;
popupRoot.Content = null;
INTERNAL_PopupsManager.RemovePopupRoot(popupRoot);
_popupRoot = null;
_isVisible = false;
}
else
{
// The popup is already hidden.
}
}
/// <summary>
/// Called when the pointer leaves a control with an attached tooltip.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event args.</param>
private static void ControlPointerLeave(object sender, PointerEventArgs e)
{
var control = (Control)sender;
if (control == s_current)
{
if (s_popup != null)
{
// Clear the ToolTip's Content in case it has control content: this will
// reset its visual parent allowing it to be used again.
((ToolTip)s_popup.Content).Content = null;
// Dispose of the popup.
s_popup.Dispose();
s_popup = null;
}
s_show.OnNext(null);
}
}
public static void RemovePopupRoot(PopupRoot popupRoot)
{
string uniquePopupRootIdentifier = popupRoot.INTERNAL_UniqueIndentifier;
if (PopupRootIdentifierToInstance.ContainsKey(uniquePopupRootIdentifier))
{
Window parentWindow = popupRoot.INTERNAL_ParentWindow;
//--------------------------------------
// Stop listening to clicks anywhere in the popup (this was used to close other popups that are not supposed to stay open):
//--------------------------------------
#if MIGRATION
popupRoot.RemoveHandler(UIElement.MouseLeftButtonDownEvent, new MouseButtonEventHandler(INTERNAL_PopupsManager.OnClickOnPopupOrWindow));
#else
popupRoot.RemoveHandler(UIElement.PointerPressedEvent, new PointerEventHandler(INTERNAL_PopupsManager.OnClickOnPopupOrWindow));
#endif
//--------------------------------------
// Remove from the DOM:
//--------------------------------------
CSHTML5.Interop.ExecuteJavaScriptAsync(
@"
var popupRoot = document.getElementByIdSafe($0);
$1.removeChild(popupRoot);
", uniquePopupRootIdentifier, parentWindow.INTERNAL_RootDomElement);
//--------------------------------------
// Remove from the list of popups:
//--------------------------------------
PopupRootIdentifierToInstance.Remove(uniquePopupRootIdentifier);
}
else
{
throw new Exception("No PopupRoot with the following identifier was found: " + uniquePopupRootIdentifier + ". Please contact support.");
}
}
/// <summary>
/// Shows a tooltip for the specified control.
/// </summary>
/// <param name="control">The control.</param>
private static void ShowToolTip(Control control)
{
if (control != null && control.IsVisible && control.GetVisualRoot() != null)
{
if (s_popup != null)
{
throw new AvaloniaInternalException("Previous ToolTip not disposed.");
}
var cp = (control.GetVisualRoot() as IInputRoot)?.MouseDevice?.GetPosition(control);
var position = control.PointToScreen(cp ?? new Point(0, 0)) + new Vector(0, 22);
s_popup = new PopupRoot();
((ISetLogicalParent)s_popup).SetParent(control);
s_popup.Content = new ToolTip {
Content = GetTip(control)
};
s_popup.Position = position;
s_popup.Show();
s_current = control;
}
}
/// <summary>
/// Shows a tooltip for the specified control.
/// </summary>
/// <param name="control">The control.</param>
private static void ShowToolTip(Control control)
{
if (control != null)
{
if (s_popup == null)
{
s_popup = new PopupRoot
{
Content = new ToolTip(),
};
((ISetLogicalParent)s_popup).SetParent(control);
}
var cp = MouseDevice.Instance?.GetPosition(control);
var position = control.PointToScreen(cp ?? new Point(0, 0)) + new Vector(0, 22);
((ToolTip)s_popup.Content).Content = GetTip(control);
s_popup.Position = position;
s_popup.Show();
s_current = control;
}
}
public static void Close(this PopupRoot window) => window.Hide();
private void CloseAnimation_OnCompleted(object sender, object e)
{
PopupRoot.Close();
FrameX?.Deattach(this);
}
public static PopupRoot CreateAndAppendNewPopupRoot(Window parentWindow)
{
// Generate a unique identifier for the PopupRoot:
CurrentPopupRootIndentifier++;
string uniquePopupRootIdentifier = "INTERNAL_Cshtml5_PopupRoot_" + CurrentPopupRootIndentifier.ToString();
//--------------------------------------
// Create a DIV for the PopupRoot in the DOM tree:
//--------------------------------------
CSHTML5.Interop.ExecuteJavaScriptAsync(
@"
var popupRoot = document.createElement('div');
popupRoot.setAttribute('id', $0);
popupRoot.style.position = 'absolute';
popupRoot.style.width = '100%';
popupRoot.style.height = '100%';
popupRoot.style.overflowX = 'hidden';
popupRoot.style.overflowY = 'hidden';
popupRoot.style.pointerEvents = 'none';
$1.appendChild(popupRoot);
", uniquePopupRootIdentifier, parentWindow.INTERNAL_RootDomElement);
//--------------------------------------
// Get the PopupRoot DIV:
//--------------------------------------
object popupRootDiv;
#if OPENSILVER
if (true)
#elif BRIDGE
if (Interop.IsRunningInTheSimulator)
#endif
{ popupRootDiv = new INTERNAL_HtmlDomElementReference(uniquePopupRootIdentifier, null); }
else
{
popupRootDiv = Interop.ExecuteJavaScriptAsync("document.getElementByIdSafe($0)", uniquePopupRootIdentifier);
}
//--------------------------------------
// Create the C# class that points to the PopupRoot DIV:
//--------------------------------------
var popupRoot = new PopupRoot(uniquePopupRootIdentifier, parentWindow);
popupRoot.INTERNAL_OuterDomElement
= popupRoot.INTERNAL_InnerDomElement
= popupRootDiv;
//--------------------------------------
// Listen to clicks anywhere in the popup (this is used to close other popups that are not supposed to stay open):
//--------------------------------------
#if MIGRATION
popupRoot.AddHandler(UIElement.MouseLeftButtonDownEvent, new MouseButtonEventHandler(INTERNAL_PopupsManager.OnClickOnPopupOrWindow), true);
#else
popupRoot.AddHandler(UIElement.PointerPressedEvent, new PointerEventHandler(INTERNAL_PopupsManager.OnClickOnPopupOrWindow), true);
#endif
//--------------------------------------
// Remember the PopupRoot for later use:
//--------------------------------------
PopupRootIdentifierToInstance.Add(uniquePopupRootIdentifier, popupRoot);
return(popupRoot);
}
// Token: 0x060027A0 RID: 10144 RVA: 0x000B2FD9 File Offset: 0x000B11D9
public PopupRootAutomationPeer(PopupRoot owner) : base(owner)
{
}
/// <summary>
/// Shows a tooltip for the specified control.
/// </summary>
/// <param name="control">The control.</param>
private static void ShowToolTip(Control control)
{
if (control != null)
{
if (s_popup == null)
{
s_popup = new PopupRoot
{
Content = new ToolTip(),
};
((ISetLogicalParent)s_popup).SetParent(control);
}
var cp = MouseDevice.Instance?.GetPosition(control);
var position = control.PointToScreen(cp.HasValue ? cp.Value : new Point(0, 0)) + new Vector(0, 22);
((ToolTip)s_popup.Content).Content = GetTip(control);
s_popup.SetPosition(position);
s_popup.Show();
s_current = control;
}
}
