protected override Task ShowAsync(IWindowControl windowContent, bool isModal, string title)
{
// Show as a child window
if (Data.UI_UseChildWindows && App.Current?.ChildWindowsParent is MetroWindow metroWindow)
{
// Create the child window
var childWin = new RCPChildWindow();
// Configure the window
ConfigureChildWindow(childWin, windowContent, isModal);
// Set the window instance
windowContent.WindowInstance = new ChildWindowInstance(childWin);
// Set the title
if (title != null)
{
windowContent.WindowInstance.Title = title;
}
// Show the window
return(metroWindow.ShowChildWindowAsync(childWin));
}
// or show as a normal window
else
{
return(base.ShowAsync(windowContent, isModal, title));
}
}
protected void ConfigureChildWindow(RCPChildWindow window, IWindowControl windowContent, bool isModal)
{
// Place the content within a transitioning content control for a transition when the window is opened
var content = new TransitioningContentControl()
{
FocusVisualStyle = null,
IsTabStop = false,
Transition = Data.UI_EnableAnimations ? TransitionType.Left : TransitionType.Normal,
UseLayoutRounding = true,
Content = windowContent.UIContent,
RestartTransitionOnContentChange = true
};
// For some reason the transition doesn't start automatically here, so we manually reload it on load (might be because the Loaded event fires twice, probably once before it gets shown)
void Content_Loaded(object s, RoutedEventArgs e) => content.ReloadTransition();
void Content_Unloaded(object s, RoutedEventArgs e)
{
// Make sure to unsubscribe to the events
content.Unloaded -= Content_Unloaded;
content.Loaded -= Content_Loaded;
}
content.Loaded += Content_Loaded;
content.Unloaded += Content_Unloaded;
// Set window properties
window.Content = content;
window.IsModal = isModal;
window.CanMaximize = windowContent.IsResizable;
}
public ChildWindowInstance(RCPChildWindow window)
{
_window = window ?? throw new ArgumentNullException(nameof(window));
Window.Closing += Window_Closing;
Window.IsOpenChanged += Window_IsOpenChanged;
OpenChildWindows.Add(window);
}
