diff -r 2bdc3ac5e77c -r 55a55a9ec2c2 src/modeleditcontext.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/modeleditcontext.cpp	Sun Sep 22 11:51:41 2019 +0300
@@ -0,0 +1,14 @@
+#include "modeleditcontext.h"
+
+Model::EditContext::EditContext(Model& model) :
+	model{model}
+{
+}
+
+void Model::EditContext::setObjectProperty(
+	modelobjects::BaseObject* object,
+	modelobjects::Property property,
+	const QVariant& value)
+{
+	object->setProperty(property, value);
+}