private static void SetAyVisualStateGroups(DependencyObject d, AyVisualStateGroupCollection value)
{
d.SetValue(AyVisualStateGroupsPropertyKey, value);
INotifyCollectionChanged collection = (INotifyCollectionChanged)value;
collection.CollectionChanged += new NotifyCollectionChangedEventHandler(CollectionChanged);
}
public static AyVisualStateGroupCollection GetAyVisualStateGroups(DependencyObject d)
{
if (d == null)
{
throw new InvalidOperationException("The dependency object trying to attach to is set to null");
}
if (!WpfTreeHelper.IsInDesignMode)
{
AyVisualStateGroupCollection collection = d.GetValue(AyVisualStateManager.AyVisualStateGroupsProperty) as AyVisualStateGroupCollection;
if (collection == null)
{
collection = new AyVisualStateGroupCollection();
collection.Owner = d;
var _2 = d as FrameworkElement;
if (_2 != null)
{
Microsoft.Win32.SystemEvents.DisplaySettingsChanged += (sen, eargs) =>
{
if (System.Windows.SystemParameters.PrimaryScreenWidth > System.Windows.SystemParameters.PrimaryScreenHeight)
{
ScreenDirection = AyOrientation.Horizontal;
}
else
{
ScreenDirection = AyOrientation.Vertical;
}
WhenOwnerSizeChanged(new Size(_2.ActualWidth, _2.ActualHeight), collection, _2);
};
if (System.Windows.SystemParameters.PrimaryScreenWidth > System.Windows.SystemParameters.PrimaryScreenHeight)
{
ScreenDirection = AyOrientation.Horizontal;
}
else
{
ScreenDirection = AyOrientation.Vertical;
}
_2.SizeChanged += (sender, args) =>
{
var _nowSize = args.NewSize;
WhenOwnerSizeChanged(_nowSize, collection, _2);
};
}
SetAyVisualStateGroups(d, collection);
}
return(collection);
}
return(new AyVisualStateGroupCollection());
}
private static void WhenOwnerSizeChanged(Size _nowSize, AyVisualStateGroupCollection collection, FrameworkElement _2)
{
var _31 = collection.FirstOrDefault(x => x.Orientation == AyOrientation.Both);
if (_31 != null)
{
//执行
var _4 = _31.VisualStates;
foreach (var item in _4)
{
if (item.MinWindowWidth.HasValue && !item.MinWindowHeight.HasValue)
{
if (_nowSize.Width <= item.MinWindowWidth.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else if (!item.MinWindowWidth.HasValue && item.MinWindowHeight.HasValue)
{
if (_nowSize.Height <= item.MinWindowHeight.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else if (item.MinWindowWidth.HasValue && item.MinWindowHeight.HasValue)
{
if (_nowSize.Height <= item.MinWindowHeight.Value && _nowSize.Width <= item.MinWindowWidth.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else
if (item.MaxWindowWidth.HasValue && !item.MaxWindowHeight.HasValue)
{
if (_nowSize.Width > item.MaxWindowWidth.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else if (!item.MaxWindowWidth.HasValue && item.MaxWindowHeight.HasValue)
{
if (_nowSize.Height > item.MaxWindowHeight.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else if (item.MaxWindowWidth.HasValue && item.MaxWindowHeight.HasValue)
{
if (_nowSize.Height > item.MaxWindowHeight.Value && _nowSize.Width > item.MaxWindowWidth.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
}
}
var _3 = collection.FirstOrDefault(x => x.Orientation == ScreenDirection);
if (_3 != null)
{
var _4 = _3.VisualStates;
foreach (var item in _4)
{
if (item.MinWindowWidth.HasValue && !item.MinWindowHeight.HasValue)
{
if (_nowSize.Width <= item.MinWindowWidth.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else if (!item.MinWindowWidth.HasValue && item.MinWindowHeight.HasValue)
{
if (_nowSize.Height <= item.MinWindowHeight.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else if (item.MinWindowWidth.HasValue && item.MinWindowHeight.HasValue)
{
if (_nowSize.Height <= item.MinWindowHeight.Value && _nowSize.Width <= item.MinWindowWidth.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else
if (item.MaxWindowWidth.HasValue && !item.MaxWindowHeight.HasValue)
{
if (_nowSize.Width > item.MaxWindowWidth.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else if (!item.MaxWindowWidth.HasValue && item.MaxWindowHeight.HasValue)
{
if (_nowSize.Height > item.MaxWindowHeight.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
else if (item.MaxWindowWidth.HasValue && item.MaxWindowHeight.HasValue)
{
if (_nowSize.Height > item.MaxWindowHeight.Value && _nowSize.Width > item.MaxWindowWidth.Value)
{
ExecuteSetters(item, _2);
if (item.SetterMode == VisualStateSetteMode.Continue)
{
continue;
}
else
{
break;
}
}
}
}
}
}
static void CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
AyVisualStateGroupCollection sourceCollection = (AyVisualStateGroupCollection)sender;
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
if (e.NewItems != null)
{
foreach (AyVisualStateGroup item in e.NewItems)
{
item.Owner = sourceCollection.Owner;
}
}
break;
case NotifyCollectionChangedAction.Remove:
if (e.OldItems != null)
{
foreach (AyVisualStateGroup item in e.OldItems)
{
//item.Behavior.Dispose();
}
}
break;
case NotifyCollectionChangedAction.Replace:
if (e.NewItems != null)
{
foreach (AyVisualStateGroup item in e.NewItems)
{
item.Owner = sourceCollection.Owner;
}
}
if (e.OldItems != null)
{
foreach (AyVisualStateGroup item in e.OldItems)
{
//item.Behavior.Dispose();
}
}
break;
//when an item(s) is removed we should Dispose the BehaviorBinding
case NotifyCollectionChangedAction.Reset:
if (e.OldItems != null)
{
foreach (AyVisualStateGroup item in e.OldItems)
{
//item.Behavior.Dispose();
}
}
break;
case NotifyCollectionChangedAction.Move:
default:
break;
}
}