private static void OnPropertyChanged(DependencyObject dpo, DependencyPropertyChangedEventArgs e)
{
var uie = dpo as UIElement;
if (uie == null)
{
return;
}
BehaviorCollection itemBehaviors = Interaction.GetBehaviors(uie);
var newBehaviors = e.NewValue as StylizedBehaviorCollection;
var oldBehaviors = e.OldValue as StylizedBehaviorCollection;
if (newBehaviors == oldBehaviors)
{
return;
}
if (oldBehaviors != null)
{
foreach (var behavior in oldBehaviors)
{
int index = itemBehaviors.IndexOf(behavior);
if (index >= 0)
{
itemBehaviors.RemoveAt(index);
}
}
}
if (newBehaviors != null)
{
foreach (var behavior in newBehaviors)
{
int index = itemBehaviors.IndexOf(behavior);
if (index < 0)
{
if (behavior.IsFrozen)
{
itemBehaviors.Add(behavior.Clone() as Behavior);
}
else
{
itemBehaviors.Add(behavior);
}
}
}
}
}
private static void OnPropertyChanged(DependencyObject dpo, DependencyPropertyChangedEventArgs e)
{
var uie = dpo as UIElement;
if (uie == null)
{
return;
}
BehaviorCollection itemBehaviors = Interaction.GetBehaviors(uie);
var newBehaviors = e.NewValue as StylizedBehaviorCollection;
var oldBehaviors = e.OldValue as StylizedBehaviorCollection;
if (newBehaviors == oldBehaviors)
{
return;
}
if (oldBehaviors != null)
{
foreach (var behavior in oldBehaviors)
{
int index = itemBehaviors.IndexOf(behavior);
if (index >= 0)
{
itemBehaviors.RemoveAt(index);
}
}
}
if (newBehaviors != null)
{
foreach (var behavior in newBehaviors)
{
int index = itemBehaviors.IndexOf(behavior);
if (index < 0)
{
if (behavior is ICloneableBehavior)
{
itemBehaviors.Add((Behavior)((ICloneableBehavior)behavior).CloneBehavior());
}
else
{
throw new NotImplementedException("Behavior does not implement ICloneableBehavior");
}
}
}
}
}
private static void OnPropertyChanged(DependencyObject dpo, DependencyPropertyChangedEventArgs e)
{
bool designTime = System.ComponentModel.DesignerProperties.GetIsInDesignMode(new DependencyObject());
if (designTime)
{
return;
}
var uie = dpo as UIElement;
if (uie == null)
{
return;
}
BehaviorCollection itemBehaviors = Interaction.GetBehaviors(uie);
var newBehaviors = e.NewValue as StylizedBehaviorCollection;
var oldBehaviors = e.OldValue as StylizedBehaviorCollection;
if (newBehaviors == oldBehaviors)
{
return;
}
if (oldBehaviors != null)
{
foreach (var behavior in oldBehaviors)
{
int index = itemBehaviors.IndexOf(behavior);
if (index >= 0)
{
itemBehaviors.RemoveAt(index);
}
}
}
if (itemBehaviors != null)
{
while (itemBehaviors.Count > 0)
{
itemBehaviors[0].Detach();
itemBehaviors.RemoveAt(0);
}
}
if (newBehaviors != null)
{
foreach (var behavior in newBehaviors)
{
int index = itemBehaviors.IndexOf(behavior);
if (index < 0)
{
var dps = GetDependencyProperties(behavior, false);
var beh = (Behavior)Activator.CreateInstance(behavior.GetType());
foreach (var dp in dps)
{
beh.SetValue(dp, behavior.GetValue(dp));
}
beh.Attach(dpo);
itemBehaviors.Add(beh);
}
}
}
}