private static unsafe object GetObjectValue (object target, IntPtr target_data, string prop_name, IntPtr parser, Value* value_ptr, out string error)
{
error = null;
IntPtr unmanaged_value = IntPtr.Zero;
object o_value = Value.ToObject (null, value_ptr);
if (error == null && unmanaged_value != IntPtr.Zero)
o_value = Value.ToObject (null, unmanaged_value);
if (o_value is String && SL3MarkupExpressionParser.IsStaticResource ((string) o_value)) {
MarkupExpressionParser mp = new SL3MarkupExpressionParser ((DependencyObject) target, prop_name, parser, target_data);
string str_value = o_value as String;
o_value = mp.ParseExpression (ref str_value);
}
return o_value;
}
private unsafe bool TrySetExpression (XamlCallbackData *data, string xmlns, object target, IntPtr target_data, Value* target_parent_ptr, string type_name, string prop_xmlns, string name, string full_name, Value* value_ptr, IntPtr value_data)
{
DependencyObject dob = target as DependencyObject;
object obj_value = Value.ToObject (null, value_ptr);
string str_value = obj_value as string;
if (str_value == null)
return false;
if (!str_value.StartsWith ("{"))
return false;
MarkupExpressionParser p = new SL3MarkupExpressionParser (target, name, data->parser, target_data);
string expression = str_value;
object o = p.ParseExpression (ref expression);
if (o == null)
return false;
if (o is Binding) {
Binding binding = o as Binding;
DependencyProperty prop = null;
if (dob != null) {
string full_type_name = type_name;
if (IsAttachedProperty (full_name))
GetNameForAttachedProperty (xmlns, prop_xmlns, full_name, out type_name, out full_type_name);
prop = LookupDependencyPropertyForBinding (data, dob, full_type_name, name);
if (prop == null && IsAttachedProperty (full_name))
prop = LookupDependencyPropertyForBinding (data, dob, full_name.Split ('.')[0], name);
}
// If it's null we should look for a regular CLR property
if (prop != null) {
BindingOperations.SetBinding (dob, prop, binding);
return true;
}
}
if (o is TemplateBindingExpression) {
// Applying a {TemplateBinding} to a DO which is not a FrameworkElement should silently discard
// the binding.
if (!(dob is FrameworkElement))
return true;
TemplateBindingExpression tb = o as TemplateBindingExpression;
IntPtr context = NativeMethods.sl3_xaml_loader_get_context (data->loader);
IntPtr source_ptr = NativeMethods.xaml_context_get_template_binding_source (context);
// Silently discard TemplateBindings which are not in ControlTemplates
FrameworkTemplate source_template = (FrameworkTemplate) NativeDependencyObjectHelper.Lookup (NativeMethods.xaml_context_get_source_template (context));
if (!(source_template is ControlTemplate))
return true;
DependencyObject templateSourceObject = NativeDependencyObjectHelper.FromIntPtr (source_ptr) as DependencyObject;
if (templateSourceObject == null)
return false;
DependencyProperty sourceProperty = DependencyProperty.Lookup (templateSourceObject.GetKind(),
tb.SourcePropertyName);
if (sourceProperty == null)
return false;
DependencyProperty prop = null;
if (dob != null)
prop = LookupDependencyPropertyForBinding (data, dob, type_name, name);
if (prop == null)
return false;
tb.TargetProperty = prop;
tb.SourceProperty = sourceProperty;
((FrameworkElement) dob).SetTemplateBinding (prop, tb);
return true;
}
if (IsAttachedProperty (full_name))
return TrySetAttachedProperty (data, xmlns, target, target_data, prop_xmlns, full_name, o);
PropertyInfo pi = target.GetType ().GetProperty (name, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.FlattenHierarchy);
o = ConvertType (pi, pi.PropertyType, o);
SetValue (data, target_data, pi, target, o);
return true;
}
private unsafe bool SetPropertyFromValue (XamlCallbackData *data, object target, IntPtr target_data, Value* target_parent_ptr, PropertyInfo pi, Value* value_ptr, IntPtr value_data, out string error)
{
error = null;
object obj_value = Value.ToObject (null, value_ptr);
if (pi.GetCustomAttributes (typeof (SetPropertyDelayedAttribute), true).Length > 0) {
if ((data->flags & XamlCallbackFlags.SettingDelayedProperty) == 0) {
Value v = *value_ptr;
NativeMethods.xaml_delay_set_property (data->parser, target_data, null, pi.Name, ref v);
return true;
}
}
if (obj_value is Binding && target is FrameworkElement) {
FrameworkElement fe = (FrameworkElement) target;
fe.SetBinding (DependencyProperty.Lookup (fe.GetKind (), pi.Name), (Binding) obj_value);
return true;
}
if (obj_value is StaticResource) {
StaticResource sr = (StaticResource)obj_value;
obj_value = "{StaticResource " + sr.ResourceKey + "}";
}
if (typeof (IList).IsAssignableFrom (pi.PropertyType) && !(obj_value is IList)) {
// This case is handled in the AddChild code
return true;
}
if (typeof (ResourceDictionary).IsAssignableFrom (pi.PropertyType) && !(obj_value is ResourceDictionary)) {
// This case is handled in the AddChild code
return true;
}
string str_value = obj_value as string;
if (str_value != null) {
IntPtr unmanaged_value;
if (pi.PropertyType == typeof (Type)) {
Type t = TypeFromString (data, str_value);
if (t != null) {
SetValue (data, target_data, pi, target, t);
return true;
}
}
if (pi.PropertyType == typeof (DependencyProperty)) {
DependencyProperty dp = DependencyPropertyFromString (data, target, target_parent_ptr, str_value);
if (dp != null) {
SetValue (data, target_data, pi, target, dp);
return true;
}
}
if (typeof (System.Windows.Data.Binding).IsAssignableFrom (pi.PropertyType) && SL3MarkupExpressionParser.IsBinding (str_value)) {
MarkupExpressionParser p = new SL3MarkupExpressionParser (null, pi.Name, data->parser, target_data);
string expression = str_value;
obj_value = p.ParseExpression (ref expression);
if (!(obj_value is Binding))
return false;
SetValue (data, target_data, pi, target, obj_value);
return true;
}
if (SL3MarkupExpressionParser.IsStaticResource (str_value)) {
MarkupExpressionParser p = new SL3MarkupExpressionParser (null, "", data->parser, target_data);
obj_value = p.ParseExpression (ref str_value);
obj_value = ConvertType (pi, pi.PropertyType, obj_value);
SetValue (data, target_data, pi, target, obj_value);
return true;
}
SetCLRPropertyFromString (data, target_data, target, pi, str_value, out error, out unmanaged_value);
try {
if (error == null && unmanaged_value != IntPtr.Zero)
obj_value = Value.ToObject (null, unmanaged_value);
else
return error == null;
} finally {
if (unmanaged_value != IntPtr.Zero)
Mono.NativeMethods.value_delete_value2 (unmanaged_value);
}
} else {
obj_value = Value.ToObject (pi.PropertyType, value_ptr);
}
obj_value = ConvertType (pi, pi.PropertyType, obj_value);
SetValue (data, target_data, pi, target, obj_value);
return true;
}
