private bool Logic_ProvideValue(ObjectWriterContext ctx)
{
MarkupExtension currentInstance = (MarkupExtension) ctx.CurrentInstance;
object parentInstance = ctx.ParentInstance;
XamlMember parentProperty = ctx.ParentProperty;
if ((parentProperty != null) && !parentProperty.IsUnknown)
{
XamlType declaringType = null;
if (parentProperty.IsAttachable)
{
declaringType = parentProperty.DeclaringType;
}
else
{
declaringType = ctx.ParentType;
}
if ((declaringType != null) && (declaringType.SetMarkupExtensionHandler != null))
{
XamlSetMarkupExtensionEventArgs e = new XamlSetMarkupExtensionEventArgs(parentProperty, currentInstance, ctx.ServiceProviderContext, parentInstance) {
CurrentType = declaringType
};
declaringType.SetMarkupExtensionHandler(parentInstance, e);
if (e.Handled)
{
return true;
}
}
}
object obj4 = currentInstance;
if ((ctx.LiveDepth != 1) || !this._skipProvideValueOnRoot)
{
obj4 = this.Runtime.CallProvideValue(currentInstance, ctx.ServiceProviderContext);
}
if (ctx.ParentProperty != null)
{
if (obj4 != null)
{
if (!(obj4 is NameFixupToken))
{
ctx.CurrentType = this.GetXamlType(obj4.GetType());
}
}
else if (ctx.ParentProperty == XamlLanguage.Items)
{
ctx.CurrentType = ctx.ParentType.ItemType;
}
else
{
ctx.CurrentType = ctx.ParentProperty.Type;
}
ctx.CurrentInstance = obj4;
}
else
{
ctx.CurrentInstance = obj4;
}
return false;
}
public static void ReceiveMarkupExtension(object targetObject, XamlSetMarkupExtensionEventArgs eventArgs)
{
if (targetObject == null)
{
throw new ArgumentNullException("targetObject");
}
if (eventArgs == null)
{
throw new ArgumentNullException("eventArgs");
}
Condition condition = targetObject as Condition;
if (condition != null && eventArgs.Member.Name == "Binding" && eventArgs.MarkupExtension is BindingBase)
{
condition.Binding = eventArgs.MarkupExtension as BindingBase;
eventArgs.Handled = true;
}
}
public static void ReceiveMarkupExtension(object targetObject, XamlSetMarkupExtensionEventArgs eventArgs)
{
if (targetObject == null)
{
throw new ArgumentNullException("targetObject");
}
if (eventArgs == null)
{
throw new ArgumentNullException("eventArgs");
}
Setter setter = targetObject as Setter;
if (setter == null || eventArgs.Member.Name != "Value")
{
return;
}
MarkupExtension me = eventArgs.MarkupExtension;
if (me is StaticResourceExtension)
{
var sr = me as StaticResourceExtension;
setter.Value = sr.ProvideValueInternal(eventArgs.ServiceProvider, true /*allowDeferedReference*/);
eventArgs.Handled = true;
}
else if (me is DynamicResourceExtension || me is BindingBase)
{
setter.Value = me;
eventArgs.Handled = true;
}
}
// must be static
public void HandleMarkupExtension (object o, XamlSetMarkupExtensionEventArgs a)
{
}
public static void ReceiveMarkupExtension(object targetObject, XamlSetMarkupExtensionEventArgs eventArgs)
{
if (targetObject == null)
{
throw new ArgumentNullException("targetObject");
}
if (eventArgs == null)
{
throw new ArgumentNullException("eventArgs");
}
DataTrigger trigger = targetObject as DataTrigger;
if (trigger != null && eventArgs.Member.Name == "Binding" && eventArgs.MarkupExtension is BindingBase)
{
trigger.Binding = eventArgs.MarkupExtension as BindingBase;
eventArgs.Handled = true;
}
else
{
eventArgs.CallBase();
}
}
