private bool IsSubClassOf(UIElement ui, Type type)
{
while (null != ui)
{
if ((ui.GetType() == type) ||
(ui.GetType().IsSubclassOf(type)))
{
return true;
}
ui = VisualTreeHelper.GetParent(ui) as UIElement;
}
return false;
}
public static IntPtr GetThumbnail(IntPtr hWnd, System.Windows.UIElement targetElement)
{
Debug.WriteLine($"{hWnd} {targetElement}");
DwmRegisterThumbnail(new WindowInteropHelper(Window.GetWindow(targetElement)).Handle, hWnd, out var thumbHandle);
var targetElementPoint = MainTools.GetDpiScaledGlobalControlPosition(targetElement);
Point targetElementOppositePoint;
if (targetElement.GetType().IsAssignableFrom(typeof(System.Windows.Controls.Control)))
{
var targetControl = (targetElement as System.Windows.Controls.Control);
targetElementOppositePoint = new Point(targetElementPoint.X + targetControl.ActualWidth,
targetElementPoint.Y + targetControl.ActualHeight);
}
else
{
targetElementOppositePoint = new Point(targetElementPoint.X, targetElementPoint.Y);
}
var targetRect = new Rect(targetElementPoint.X, targetElementPoint.Y, (int)(targetElementOppositePoint.X), (int)(targetElementOppositePoint.Y));
DwmQueryThumbnailSourceSize(thumbHandle, out var size);
var props = new DwmThumbnailProperties
{
fVisible = true,
dwFlags = DwmTnpVisible | DwmTnpRectdestination | DwmTnpOpacity,
opacity = 255,
rcDestination = new WinApi.Rect(0, 0, 100, 100)
};
DwmUpdateThumbnailProperties(thumbHandle, ref props);
return(thumbHandle);
}
protected override void AttachCore(UIElement element)
{
if (description == null)
{
string str = element.GetType().Name;
description = str;
}
}
private void InitializeView(UIElement view) {
var type = view.GetType();
var initializeMethod = type.GetMethod("InitializeComponent", BindingFlags.Public | BindingFlags.Instance);
if (initializeMethod == null)
return;
initializeMethod.Invoke(view, null);
}
public static void AnimateColor(SolidColorBrush from, SolidColorBrush to, UIElement control, double duration)
{
SolidColorBrush myBrush = new SolidColorBrush();
myBrush = from;
ColorAnimation myColorAnimation = new ColorAnimation();
myColorAnimation.From = from.Color;
myColorAnimation.To = to.Color;
myColorAnimation.Duration = new Duration(TimeSpan.FromSeconds(duration));
myBrush.BeginAnimation(SolidColorBrush.ColorProperty, myColorAnimation);
control.GetType().GetProperty("Background").SetValue(control, myBrush);
}
internal static IEditable CreateWrapperForUIElement(CanvasEditor editor, UIElement element)
{
IEditable result = null;
Assembly assembly = Assembly.GetAssembly(typeof(EditableWrapper));
string name = element.GetType().Name;
Type type = assembly.GetType(typeof(EditableWrapper).Namespace + ".Editable" + name);
if (type != null)
{
result = (IEditable)Activator.CreateInstance(type, new object[] { editor, element });
}
return result;
}
private void FindByName(UIElement element, List<WildcardPattern> patterns, ref List<UIElement> results)
{
foreach (string content in _contentProperties)
{
Type type = element.GetType();
var prop = type.GetProperty(content);
if (prop != null)
{
var enumerable = prop.GetValue(element, null) as System.Collections.IEnumerable;
if (enumerable != null)
{
foreach (object el in enumerable)
{
var fel = el as FrameworkElement;
if (fel != null)
{
foreach (var pattern in patterns)
{
if (pattern.IsMatch(fel.Name))
{
results.Add(fel);
}
}
}
}
foreach (object el in enumerable)
{
if (el is UIElement)
{
FindByName((UIElement)el, patterns, ref results);
}
}
}
else
{
var el = prop.GetValue(element, null) as UIElement;
if (el != null)
{
var fel = el as FrameworkElement;
if (fel != null)
{
foreach (var pattern in patterns)
{
if (pattern.IsMatch(fel.Name))
{
results.Add(fel);
}
}
FindByName(fel, patterns, ref results);
}
else
{
FindByName(el, patterns, ref results);
}
}
}
}
// if we didn't find it by now, just give up...
}
}
private void RegisterEvent(UIElement element, string triggerEvent)
{
var eventRef = element.GetType().GetEvent(triggerEvent);
if (eventRef != null)
{
var invokeMethod = eventRef.EventHandlerType.GetMethod("Invoke");
var parameters = invokeMethod.GetParameters();
if (parameters.Length == 2)
{
if (typeof(RoutedEventArgs).IsAssignableFrom(parameters[1].ParameterType))
{
eventRef.AddEventHandler(element, new RoutedEventHandler(InvokeProvider));
}
else if (typeof(EventArgs).IsAssignableFrom(parameters[1].ParameterType))
{
eventRef.AddEventHandler(element, new EventHandler(InvokeProvider));
}
}
}
}
void IViewAware.AttachView(UIElement view)
{
if (this.View != null)
throw new InvalidOperationException(String.Format("Tried to attach View {0} to ViewModel {1}, but it already has a view attached", view.GetType().Name, this.GetType().Name));
this.View = view;
this.logger.Info("Attaching view {0}", view);
var viewAsFrameworkElement = view as FrameworkElement;
if (viewAsFrameworkElement != null)
{
if (viewAsFrameworkElement.IsLoaded)
this.OnViewLoaded();
else
viewAsFrameworkElement.Loaded += (o, e) => this.OnViewLoaded();
}
}
