added some convenience API methods for script variables

Ryven/custom_src/NodeInstance.py

@@ -469,9 +469,23 @@ def get_default_stylesheet():
         """Handy method for subclasses to access the application window's stylesheet for UI content."""
         return Design.ryven_stylesheet
 
+    # VARIABLES
+
     def get_vars_handler(self):
         return self.flow.parent_script.variables_handler
 
+    def get_var_val(self, name):
+        return self.get_vars_handler().get_var_val(name)
+
+    def set_var_val(self, name, val):
+        return self.get_vars_handler().set_var(name, val)
+
+    def register_var_receiver(self, name, method):
+        self.get_vars_handler().register_receiver(self, name, method)
+
+    def unregister_var_receiver(self, name):
+        self.get_vars_handler().unregister_receiver(self, name)
+
     # --------------------------------------------------------------------------------------
     # UI STUFF ----------------------------------------
 

Ryven/custom_src/builtin_nodes/GetVar_NodeInstance.py

@@ -29,7 +29,7 @@ def update_event(self, input_called=-1):
                 self.set_output_val(0, None)
 
         else:  # ->> value changed!
-            self.set_output_val(0, self.get_vars_handler().get_var_val(self.var_name))
+            self.set_output_val(0, self.get_var_val(self.var_name))
 
     def var_val_changed(self, name, val):
         self.update()

Ryven/custom_src/builtin_nodes/SetVar_NodeInstance.py

@@ -13,14 +13,14 @@ def __init__(self, params):
     def update_event(self, input_called=-1):
         if self.active and input_called == 0:
             self.var_name = self.input(1)
-            vars_handler = self.get_vars_handler()
-            if vars_handler.set_var(self.input(1), self.input(2)):
+            # vars_handler = self.get_vars_handler()
+            if self.set_var_val(self.input(1), self.input(2)):
                 self.set_output_val(1, self.input(2))
             self.exec_output(0)
         elif not self.active:
             self.var_name = self.input(0)
-            if self.get_vars_handler().set_var(self.input(0), self.input(1)):
-                self.set_output_val(0, self.get_vars_handler().get_var_val(self.var_name))
+            if self.set_var_val(self.input(0), self.input(1)):
+                self.set_output_val(0, self.get_var_val(self.var_name))
 
 
     def action_make_passive(self):