public void UnapplySetter(AttachedTriggerBase trigger, Setter setter)
{
this.bindable.PropertyChanged -= OnBindablePropertyChanged;
var lastActiveTrigger = setters.Keys.LastOrDefault(t => t.IsActive);
bool affectsValue = lastActiveTrigger != trigger;
setters[trigger].Remove(setter);
if (setters[trigger].Count == 0)
{
setters[trigger] = null;
}
if (affectsValue)
{
if (lastActiveTrigger == null)
{
if (setter.OriginalValueBinding != null)
{
this.bindable.SetBinding(this.property, setter.OriginalValueBinding.Clone());
}
else
{
this.bindable.SetValue(this.property, this.originalValue);
}
}
else
{
setters[lastActiveTrigger].Last().Apply(this.bindable);
}
}
this.bindable.PropertyChanged += OnBindablePropertyChanged;
}
public void ApplySetter(AttachedTriggerBase trigger, Setter setter)
{
this.bindable.PropertyChanged -= OnBindablePropertyChanged;
var lastActiveTrigger = setters.Keys.Last(t => t.IsActive);
bool affectsValue = lastActiveTrigger == trigger;
if (!this.originalValueSet)
{
this.originalValue = this.bindable.GetValue(this.property);
this.originalValueSet = true;
}
if (setters[trigger] == null)
{
setters[trigger] = new List <Setter>();
}
setters[trigger].Add(setter);
if (affectsValue)
{
setter.Apply(this.bindable);
}
this.bindable.PropertyChanged += OnBindablePropertyChanged;
}
private void UnapplyTrigger(AttachedTriggerBase triggerToUnapply)
{
foreach (var setter in triggerToUnapply.Setters)
{
var target = setter.Target ?? this.attachedObject;
var valuesByProperty = GetSettersByBindable(target);
valuesByProperty[setter.Property].UnapplySetter(triggerToUnapply, setter);
}
}
public void RegisterTrigger(AttachedTriggerBase trigger)
{
if (setters.ContainsKey(trigger))
{
return;
}
setters[trigger] = null;
}
private void ApplyTrigger(AttachedTriggerBase triggerToApply)
{
foreach (var setter in triggerToApply.Setters)
{
var target = setter.Target ?? this.attachedObject;
var setterValueCollections = GetSettersByBindable(target);
setterValueCollections[setter.Property].ApplySetter(triggerToApply, setter);
}
}
public void UnregisterTrigger(AttachedTriggerBase trigger)
{
var settersToUnapply = setters[trigger];
if (settersToUnapply != null)
{
settersToUnapply.ForEach(s => this.UnapplySetter(trigger, s));
}
setters.Remove(trigger);
}