public PropertyState HasValue(ReferenceStep referenceStep)
{
PropertyReference propertyReference1 = new PropertyReference(referenceStep);
object second = null;
PropertyState propertyState1 = PropertyState.Unset;
bool flag = false;
SceneNode[] selectedNodes = this.designerContext.SelectionManager.SelectedNodes;
if (selectedNodes != null && selectedNodes.Length > 0)
{
foreach (SceneNode node in selectedNodes)
{
PropertyReference propertyReference2 = this.FilterProperty(node, propertyReference1);
if (propertyReference2 != null)
{
PropertyState propertyState2 = node.IsSet(propertyReference2);
object computedValue = node.GetComputedValue(propertyReference2);
if (!flag)
{
second = this.CopyIfFreezable(computedValue);
propertyState1 = propertyState2;
flag = true;
}
else
{
if (propertyState2 != propertyState1)
{
propertyState1 = PropertyState.Mixed;
break;
}
if (!PropertyUtilities.Compare(computedValue, second, node.ViewModel.DefaultView))
{
object obj = MixedProperty.Mixed;
propertyState1 = PropertyState.Mixed;
break;
}
}
}
}
}
if (!flag)
{
propertyState1 = this.designerContext.AmbientPropertyManager.GetAmbientValue(propertyReference1) == DependencyProperty.UnsetValue ? PropertyState.Unset : PropertyState.Set;
}
return(propertyState1);
}
public object GetValue(PropertyReference propertyReference, PropertyReference.GetValueFlags flags)
{
object second = null;
bool flag = false;
SceneNode[] selectedNodes = this.designerContext.SelectionManager.SelectedNodes;
if (selectedNodes != null && selectedNodes.Length > 0)
{
foreach (SceneNode node in selectedNodes)
{
PropertyReference propertyReference1 = this.FilterProperty(node, propertyReference);
if (propertyReference1 != null)
{
object obj = (flags & PropertyReference.GetValueFlags.Computed) == PropertyReference.GetValueFlags.Local ? node.GetLocalValue(propertyReference1) : node.GetComputedValue(propertyReference1);
if (!flag)
{
second = this.CopyIfFreezable(obj);
flag = true;
}
else if (!PropertyUtilities.Compare(obj, second, node.ViewModel.DefaultView))
{
second = MixedProperty.Mixed;
break;
}
}
}
}
if (!flag)
{
if (this.designerContext.AmbientPropertyManager.IsAmbientProperty(propertyReference))
{
second = this.designerContext.AmbientPropertyManager.GetAmbientValue(propertyReference);
}
else
{
ReferenceStep referenceStep = propertyReference[propertyReference.Count - 1];
second = referenceStep.GetDefaultValue(referenceStep.TargetType);
}
}
return(second);
}
private static bool CompareFreezables(Freezable firstFreezable, Freezable secondFreezable, int depth)
{
if (firstFreezable == null && secondFreezable == null)
{
return(true);
}
if (firstFreezable == null || secondFreezable == null || firstFreezable.GetType() != secondFreezable.GetType())
{
return(false);
}
IEnumerator enumerator1 = (IEnumerator)firstFreezable.GetLocalValueEnumerator();
IEnumerator enumerator2 = (IEnumerator)secondFreezable.GetLocalValueEnumerator();
while (enumerator1.MoveNext())
{
if (!enumerator2.MoveNext() || !PropertyUtilities.Compare(enumerator1.Current, enumerator2.Current, depth + 1))
{
return(false);
}
}
return(!enumerator2.MoveNext());
}
public static bool Compare(object first, object second, SceneView view)
{
if (first == null && second == null)
{
return(true);
}
if (first == null || second == null || first.GetType() != second.GetType())
{
return(false);
}
if (first.Equals(second))
{
return(true);
}
if (PropertyUtilities.AreEasingFunctions(first, second, view))
{
return(PropertyUtilities.CompareEasingFunctions(first, second, view));
}
first = view.ConvertToWpfValue(first);
second = view.ConvertToWpfValue(second);
return(PropertyUtilities.Compare(first, second, 0));
}
