+const static char* NODE_SOURCE = "source";
+
+//Widgets
+const static char* WDG_DOUBLEVALUE = "doublevalue";
+//Widget containers
+const static char* WDG_INFO = "label";
+const static char* WDG_GROUP = "groupbox";
+const static char* WDG_CHECK_GROUP = "check_groupbox";
+const static char* WDG_TOOLBOX = "toolbox";
+const static char* WDG_TOOLBOX_BOX = "box";
+const static char* WDG_SWITCH = "switch";
+const static char* WDG_SWITCH_CASE = "case";
+
+//Specific widget containers
+const static char* WDG_POINT_SELECTOR = "point_selector";