// Called during Style/Template Seal when encountering a data trigger that
// has associated TriggerActions.
internal static void AddDataTriggerWithAction(TriggerBase triggerBase,
BindingBase binding, ref HybridDictionary dataTriggersWithActions )
{
if( dataTriggersWithActions == null )
{
dataTriggersWithActions = new HybridDictionary();
}
object existing = dataTriggersWithActions[binding];
if( existing == null )
{
// No existing trigger, we put given trigger as entry.
dataTriggersWithActions[binding] = triggerBase;
}
else
{
TriggerBase existingTriggerBase = existing as TriggerBase;
if( existingTriggerBase != null )
{
// Up-convert to list and replace.
List<TriggerBase> newList = new List<TriggerBase>();
newList.Add(existingTriggerBase);
newList.Add(triggerBase);
dataTriggersWithActions[binding] = newList;
}
else
{
Debug.Assert( existing is List<TriggerBase>,
"HybridDictionary for holding List<TriggerBase> is holding an instance of unexpected type " + existing.GetType() );
List<TriggerBase> existingList = (List<TriggerBase>)existing;
existingList.Add(triggerBase);
}
}
// Note the order in which we processed this trigger.
triggerBase.EstablishLayer();
}
// Called during Style/Template Seal when encountering a property trigger that
// has associated TriggerActions.
internal static void AddPropertyTriggerWithAction(TriggerBase triggerBase,
DependencyProperty property, ref FrugalMap triggersWithActions)
{
object existing = triggersWithActions[property.GlobalIndex];
if( existing == DependencyProperty.UnsetValue )
{
// No existing trigger, we put given trigger as entry.
triggersWithActions[property.GlobalIndex] = triggerBase;
}
else
{
TriggerBase existingTriggerBase = existing as TriggerBase;
if( existingTriggerBase != null )
{
List<TriggerBase> newList = new List<TriggerBase>();
newList.Add(existingTriggerBase);
newList.Add(triggerBase);
triggersWithActions[property.GlobalIndex] = newList;
}
else
{
Debug.Assert( existing is List<TriggerBase>,
"FrugalMap for holding List<TriggerBase> is holding an instance of unexpected type " + existing.GetType() );
List<TriggerBase> existingList = (List<TriggerBase>)existing;
existingList.Add(triggerBase);
}
}
// Note the order in which we processed this trigger.
triggerBase.EstablishLayer();
}
