Add dynamic multicontrol

draft/library/wsf_js_widget/kernel/webcontrol/wsf_control.e

@@ -96,9 +96,6 @@ feature {WSF_PAGE_CONTROL, WSF_CONTROL} -- State management
 	read_state_changes (states: WSF_JSON_OBJECT)
 			-- Add a new entry in the `states_changes` JSON object with the `control_name` as key and the `state` as value
 		do
-			if state_changes.count > 0 then
-				states.put (state_changes, control_name)
-			end
 			if actions.count > 0 then
 				if not attached states.item ("actions") then
 					states.put (create {JSON_ARRAY}.make_array, "actions")
@@ -127,7 +124,7 @@ feature -- Rendering
 	render_tag (body: STRING; attrs: detachable STRING): STRING
 			-- Render this control with the specified body and attributes
 		do
-			Result := render_tag_with_generator_name (generator, body, attrs)
+			Result := render_tag_with_generator_name (js_class, body, attrs)
 		end
 
 	render_tag_with_generator_name (a_generator, body: STRING; attrs: detachable STRING): STRING
@@ -152,6 +149,11 @@ feature -- Rendering
 			Result := render_tag_with_tagname (tag_name, body, l_attributes, css_classes_string)
 		end
 
+	js_class: STRING
+		do
+			Result := generator
+		end
+
 feature -- Event handling
 
 	handle_callback (cname: LIST [STRING]; event: STRING; event_parameter: detachable ANY)
@@ -186,7 +188,6 @@ feature -- Properties
 
 	control_name_prefix: STRING assign set_control_name_prefix
 
-
 	set_control_name_prefix (p: STRING)
 		do
 			control_name_prefix := p