/// <summary>
/// Initializes a new instance of the <see cref="WindowControlBoxBehavior"/> class.
/// </summary>
public WindowControlBoxBehavior()
{
h = (s, e) =>
{
var isDesign = DesignTimeHelper.GetIsInDesignMode();
var hWnd = new WindowInteropHelper(this.AssociatedObject).Handle;
if (!isDesign && hWnd != IntPtr.Zero && (!this.AllowMaximize || !this.AllowMinimize))
{
var windowLong = NativeMethods.GetWindowLong(hWnd, WindowLong.Style).ToInt32();
if (!this.AllowMaximize)
{
windowLong = windowLong & ~Constants.WS_MAXIMIZEBOX;
}
if (!this.AllowMinimize)
{
windowLong = windowLong & ~Constants.WS_MINIMIZEBOX;
}
NativeMethods.SetWindowLong(hWnd, WindowLong.Style, ( IntPtr )windowLong);
}
};
}
private static void OnSelectedItemsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (!DesignTimeHelper.GetIsInDesignMode())
{
if (e.OldValue != null)
{
//Probabilmente c'è un handler da sganciare
var handler = d.GetValue(selectionHandlerProperty) as SelectionHandler;
if (handler != null)
{
handler.StopSync();
d.ClearValue(selectionHandlerProperty);
}
}
if (e.NewValue != null)
{
//C'è un handler da agganciare
var handler = new SelectionHandler();
handler.SartSync(d.CastTo <ListView>(), e.NewValue.CastTo <IList>());
d.SetValue(selectionHandlerProperty, handler);
}
}
}
static void OnContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var isDesignMode = DesignTimeHelper.GetIsInDesignMode();
if (!isDesignMode)
{
Ensure.That(d.GetType()).Is <ItemsControl>();
d.CastTo <ItemsControl>().Loaded += onLoaded;
}
}
private static void OnCommandChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (!DesignTimeHelper.GetIsInDesignMode())
{
var textBox = d as TextBox;
if (textBox != null)
{
textBox.Loaded += onLoaded;
}
}
}
static void OnCueBannerPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
var isDesignMode = DesignTimeHelper.GetIsInDesignMode();
if (!isDesignMode)
{
//Ensure.That( sender.GetType() ).Is<TextBoxBase>();
var control = ( UIElement )sender;
control.AddHandler(FrameworkElement.LoadedEvent, onLoaded, true);
}
}
private static void OnSortCommandChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (!DesignTimeHelper.GetIsInDesignMode())
{
var listView = Ensure.That(d as ListView)
.Named("d")
.WithMessage("This behavior can be attached only to ListView(s).")
.IsNotNull()
.GetValue();
if (!ListViewManager.GetIsLoadEventAttached(listView))
{
listView.Loaded += onLoaded;
ListViewManager.SetIsLoadEventAttached(listView, true);
}
}
}
static void OnContentPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs args)
{
if (!DesignTimeHelper.GetIsInDesignMode())
{
var control = ( FrameworkElement )d;
if (!control.IsLoaded)
{
control.Loaded += (s, e) =>
{
var layer = AdornerLayer.GetAdornerLayer(control);
Debug.WriteLineIf(layer == null, "Overlay: cannot find any AdornerLayer on the given element.");
if (layer != null)
{
var content = GetContent(control);
if (content != null)
{
var a = new ContentOverlayAdorner(control, content);
layer.Add(a);
SetOverlayAdorner(control, a);
}
}
};
control.Unloaded += (s, e) =>
{
var layer = AdornerLayer.GetAdornerLayer(control);
Debug.WriteLineIf(layer == null, "Overlay: cannot find any AdornerLayer on the given element.");
if (layer != null)
{
var a = GetOverlayAdorner(control);
if (a != null)
{
layer.Remove(a);
SetOverlayAdorner(control, null);
}
}
};
}
}
}
private static void OnChanged(DependencyObject owner, DependencyPropertyChangedEventArgs e)
{
var isLoadedAttached = GetOnLoadedAttached(owner);
if (!isLoadedAttached && !DesignTimeHelper.GetIsInDesignMode())
{
var fe = owner as FrameworkElement;
if (fe != null)
{
fe.Loaded += OnLoaded;
}
var fce = owner as FrameworkContentElement;
if (fce != null)
{
fce.Loaded += OnLoaded;
}
SetOnLoadedAttached(owner, true);
}
}
private static void OnItemRemoveCommandChanged(DependencyObject target, DependencyPropertyChangedEventArgs e)
{
if (!DesignTimeHelper.GetIsInDesignMode())
{
Ensure.That(target.GetType())
.WithMessage("This behavior can be attached to ListView(s) only.")
.Is <ListView>();
var lv = ( ListView )target;
if ((e.NewValue != null) && (e.OldValue == null))
{
lv.KeyDown += onKeyDown;
}
else if ((e.NewValue == null) && (e.OldValue != null))
{
lv.KeyDown -= onKeyDown;
}
}
}
static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (!DesignTimeHelper.GetIsInDesignMode())
{
var control = ( FrameworkElement )d;
if (!control.IsLoaded && !Gethandled(control))
{
control.Loaded += (s, rea) => HandleStatusChanged(control);
Sethandled(control, true);
}
else if (control.IsLoaded && e.Property == StatusProperty)
{
HandleStatusChanged(control);
}
else if (control.IsLoaded && e.Property == ContentProperty)
{
HandleContentChanged(control);
}
}
}