public ValueChangedEventArgs(IDependencyComponent component, IDependencyProperty property, IMaybe <object> oldValue, IMaybe <object> newValue)
{
Component = component;
Property = property;
OldValue = oldValue;
NewValue = newValue;
}
public void OnInheritanceParentChanged(IDependencyComponent oldParent, IDependencyComponent newParent)
{
var allSetProperties = new HashSet <IDependencyProperty>();
if (oldParent != null)
{
oldParent.PropertyChanged -= OnParentPropertyChanged;
foreach (var dp in oldParent.SetProperties)
{
if (Component.GetMetadata(dp).IsInherited)
{
allSetProperties.Add(dp);
}
}
}
if (newParent != null)
{
newParent.PropertyChanged += OnParentPropertyChanged;
foreach (var dp in newParent.SetProperties)
{
if (Component.GetMetadata(dp).IsInherited)
{
allSetProperties.Add(dp);
}
}
}
foreach (var dp in allSetProperties)
{
var oldValue = oldParent != null
? Maybe.FromValue(oldParent.GetValue(dp))
: Maybe.None <object>();
var newValue = newParent != null
? Maybe.FromValue(newParent.GetValue(dp))
: Maybe.None <object>();
if (Helpers.AreDifferent(oldValue, newValue))
{
ValueChanged?.Invoke(this, new ValueChangedEventArgs(Component, dp, oldValue, newValue));
}
}
}
public InheritanceValueSource(IDependencyComponent component, int order)
{
this.Component = component;
this.Order = order;
}
public ValueStoreBase(IDependencyComponent component, int order)
{
this.Component = component;
this.Order = order;
}
public IReadOnlyList <IValueSource> GetValueSources(IDependencyComponent component)
{
EnsureReadOnly();
return(storeFactories.Select((p, i) => p.Value(component, i)).ToImmutableArray());
}
public LocalValueStore(IDependencyComponent component, int order) : base(component, order)
{
}
public ValueStoreFake(IDependencyComponent component, int order) : base(component, order)
{
}
