/// <summary>
/// Recursively registers all <see cref="ILogical"/>s in <paramref name="logicals"/> to the <paramref name="bindingContext"/>.
/// </summary>
/// <param name="logicals">A <see cref="Queue{T}"/> containing the root controls that will be recursively registered.</param>
/// <param name="bindingContext">The <see cref="BindingContext"/> the <see cref="ScalableObject"/>s will be registered to.</param>
public static void RegisterControls(Queue <IEnumerable <ILogical> > logicals, BindingContext bindingContext)
{
while (logicals.Count > 0)
{
IEnumerable <ILogical> children = logicals.Dequeue();
foreach (ILogical child in children)
{
logicals.Enqueue(child.GetLogicalChildren());
if (child is AvaloniaObject avaloniaObject)
{
ScalableObject scalableObject = new ScalableObject(avaloniaObject);
bindingContext.Add(scalableObject);
}
}
}
}
/// <summary>
/// Creates a new <see cref="ScalingManager"/> and sets up all bindings of the <paramref name="window"/>.
/// </summary>
/// <param name="window">The <see cref="ScalableWindow"/> to be managed by this <see cref="ScalingManager"/>.</param>
/// <param name="viewModel">The <see cref="IViewModel"/> implemented by the view model belonging to the <paramref name="window"/>.</param>
public ScalingManager(ScalableWindow window, IViewModel viewModel)
{
this.viewModel = viewModel;
this.window = window;
ScalableMainWindow = new ScalableObject(window);
BindingContext windowBindingContext = new BindingContext
{
ScalableMainWindow
};
Bindings.Add(window.GetType(), windowBindingContext);
Queue <IEnumerable <ILogical> > logicals = new Queue <IEnumerable <ILogical> >();
logicals.Enqueue(window.GetLogicalChildren());
RegisterControls(logicals, window.GetType());
MainWindowHeightScalable = ScalableMainWindow.Bindings.GetValueOrDefault(nameof(Layoutable.Height)) as Scalable <double>;
MainWindowWidthScalable = ScalableMainWindow.Bindings.GetValueOrDefault(nameof(Layoutable.Width)) as Scalable <double>;
double optimalWidth = window.Screens.Primary.WorkingArea.Width / 2;
double optimalHeight = window.Screens.Primary.WorkingArea.Height / 2;
double width = optimalWidth;
double height = optimalHeight;
for (int i = 1; i < 4; i++)
{
if (height < MainWindowHeightScalable.DefaultValue || width < MainWindowWidthScalable.DefaultValue)
{
width = optimalWidth + (i * 0.125d);
height = optimalHeight + (i * 0.125d);
}
}
double scalingFactor = Math.Min(width / MainWindowWidthScalable.DefaultValue, height / MainWindowHeightScalable.DefaultValue);
SetScaling(scalingFactor);
window.BeginResize += Window_BeginResize;
window.Resize += Window_Resize;
window.EndResize += Window_EndResize;
window.PropertyChanged += Window_PropertyChanged;
window.PositionChanged += Window_PositionChanged;
}