Forgot to add directory

extern/shiny/Editor/PropertySortModel.hpp

@@ -0,0 +1,21 @@
+#ifndef SHINY_EDITOR_PROPERTYSORTMODEL_H
+#define SHINY_EDITOR_PROPERTYSORTMODEL_H
+
+#include <QSortFilterProxyModel>
+
+namespace sh
+{
+
+	class PropertySortModel : public QSortFilterProxyModel
+	{
+		Q_OBJECT
+
+	public:
+		PropertySortModel(QObject* parent);
+	protected:
+		bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
+	};
+
+}
+
+#endif