private DataGridItemPropertyRoute(DataGridItemPropertyBase itemProperty, DataGridItemPropertyRoute parent)
{
Debug.Assert(itemProperty != null);
m_itemProperty = itemProperty;
m_parent = parent;
}
internal static DataGridItemPropertyRoute Combine(DataGridItemPropertyBase itemProperty, DataGridItemPropertyRoute ancestors)
{
if (itemProperty == null)
{
return(ancestors);
}
if (ancestors == null)
{
return(DataGridItemPropertyRoute.Create(itemProperty));
}
var collection = itemProperty.ContainingCollection;
if (collection == null)
{
throw new InvalidOperationException();
}
if (collection.Owner != ancestors.Current)
{
throw new InvalidOperationException();
}
return(new DataGridItemPropertyRoute(itemProperty, ancestors));
}
internal static PropertyRoute ToPropertyRoute(DataGridItemPropertyRoute itemProperty)
{
if (itemProperty == null)
{
return(null);
}
return(PropertyRoute.Combine(PropertyRouteBuilder.ToSegment(itemProperty.Current), PropertyRouteBuilder.ToPropertyRoute(itemProperty.Parent)));
}
internal PropertyRouteBuilder(DataGridItemPropertyRoute route)
{
if (route == null)
{
return;
}
for (var c = route; c != null; c = c.Parent)
{
this.PushAncestor(c.Current);
}
}
internal static DataGridItemPropertyRoute Create(DataGridItemPropertyBase itemProperty)
{
if (itemProperty == null)
{
return(null);
}
var collection = itemProperty.ContainingCollection;
if (collection == null)
{
return(new DataGridItemPropertyRoute(itemProperty));
}
return(new DataGridItemPropertyRoute(
itemProperty,
DataGridItemPropertyRoute.Create(collection.Owner)));
}
protected virtual bool OnReceiveWeakEvent(Type managerType, object sender, EventArgs e)
{
if ((managerType == null) || (sender == null) || (e == null))
{
return(false);
}
if (managerType == typeof(CollectionChangedEventManager))
{
var eventArgs = ( NotifyCollectionChangedEventArgs )e;
if (m_itemProperties == sender)
{
this.OnItemPropertiesCollectionChanged(sender, eventArgs);
}
else if (m_detailDescriptions == sender)
{
}
}
else if (managerType == typeof(InitializeItemPropertyEventManager))
{
var eventArgs = ( InitializeItemPropertyEventArgs )e;
if (m_itemProperties == sender)
{
var itemProperty = eventArgs.ItemProperty;
var itemPropertyRoute = DataGridItemPropertyRoute.Create(itemProperty);
ItemsSourceHelper.SetPropertyDescriptionsFromItemProperty(m_defaultPropertyDescriptions, null, null, m_itemType, itemPropertyRoute);
ItemsSourceHelper.InitializePropertyDescriptions(m_defaultPropertyDescriptions, itemPropertyRoute, m_itemType, this.DefaultPropertyDescriptionsCreated);
}
}
else
{
return(false);
}
return(true);
}
internal static string Parse(DataGridItemPropertyBase itemProperty)
{
return(PropertyRouteParser.Parse(PropertyRouteBuilder.ToPropertyRoute(DataGridItemPropertyRoute.Create(itemProperty))));
}
