ficxing folder hierarchy

examples/bouncingballs/bouncingballs.py

@@ -1,733 +0,0 @@
-"""
-Generated by Statechart compiler by Glenn De Jonghe, Joeri Exelmans, Simon Van Mierlo, and Yentl Van Tendeloo (for the inspiration)
-
-Model author: Simon Van Mierlo+Raphael Mannadiar
-Model name:   Bouncing_Balls_Python_Version
-Model description:
-Tkinter frame with bouncing balls in it.
-"""
-
-from sccd.runtime.statecharts_core import *
-from sccd.runtime.libs.ui import ui
-from sccd.runtime.libs.utils import utils
-import random
-
-# package "Bouncing_Balls_Python_Version"
-
-class MainApp(RuntimeClassBase):
-    def __init__(self, controller):
-        RuntimeClassBase.__init__(self, controller)
-        
-        
-        self.semantics.big_step_maximality = StatechartSemantics.TakeMany
-        self.semantics.internal_event_lifeline = StatechartSemantics.Queue
-        self.semantics.input_event_lifeline = StatechartSemantics.FirstComboStep
-        self.semantics.priority = StatechartSemantics.SourceParent
-        self.semantics.concurrency = StatechartSemantics.Single
-        
-        # build Statechart structure
-        self.build_statechart_structure()
-        
-        # call user defined constructor
-        MainApp.user_defined_constructor(self)
-    
-    def user_defined_constructor(self):
-        self.nr_of_fields = 0
-    
-    def user_defined_destructor(self):
-        pass
-    
-    
-    # builds Statechart structure
-    def build_statechart_structure(self):
-        
-        # state <root>
-        self.states[""] = State(0, "", self)
-        
-        # state /running
-        self.states["/running"] = State(1, "/running", self)
-        
-        # state /running/root
-        self.states["/running/root"] = ParallelState(2, "/running/root", self)
-        
-        # state /running/root/main_behaviour
-        self.states["/running/root/main_behaviour"] = State(3, "/running/root/main_behaviour", self)
-        
-        # state /running/root/main_behaviour/initializing
-        self.states["/running/root/main_behaviour/initializing"] = State(4, "/running/root/main_behaviour/initializing", self)
-        
-        # state /running/root/main_behaviour/running
-        self.states["/running/root/main_behaviour/running"] = State(5, "/running/root/main_behaviour/running", self)
-        
-        # state /running/root/cd_behaviour
-        self.states["/running/root/cd_behaviour"] = State(6, "/running/root/cd_behaviour", self)
-        
-        # state /running/root/cd_behaviour/waiting
-        self.states["/running/root/cd_behaviour/waiting"] = State(7, "/running/root/cd_behaviour/waiting", self)
-        
-        # state /running/root/cd_behaviour/creating
-        self.states["/running/root/cd_behaviour/creating"] = State(8, "/running/root/cd_behaviour/creating", self)
-        
-        # state /running/root/cd_behaviour/check_nr_of_fields
-        self.states["/running/root/cd_behaviour/check_nr_of_fields"] = State(9, "/running/root/cd_behaviour/check_nr_of_fields", self)
-        self.states["/running/root/cd_behaviour/check_nr_of_fields"].setEnter(self._running_root_cd_behaviour_check_nr_of_fields_enter)
-        self.states["/running/root/cd_behaviour/check_nr_of_fields"].setExit(self._running_root_cd_behaviour_check_nr_of_fields_exit)
-        
-        # state /running/root/cd_behaviour/stopped
-        self.states["/running/root/cd_behaviour/stopped"] = State(10, "/running/root/cd_behaviour/stopped", self)
-        
-        # state /running/stopped
-        self.states["/running/stopped"] = State(11, "/running/stopped", self)
-        
-        # add children
-        self.states[""].addChild(self.states["/running"])
-        self.states["/running"].addChild(self.states["/running/root"])
-        self.states["/running"].addChild(self.states["/running/stopped"])
-        self.states["/running/root"].addChild(self.states["/running/root/main_behaviour"])
-        self.states["/running/root"].addChild(self.states["/running/root/cd_behaviour"])
-        self.states["/running/root/main_behaviour"].addChild(self.states["/running/root/main_behaviour/initializing"])
-        self.states["/running/root/main_behaviour"].addChild(self.states["/running/root/main_behaviour/running"])
-        self.states["/running/root/cd_behaviour"].addChild(self.states["/running/root/cd_behaviour/waiting"])
-        self.states["/running/root/cd_behaviour"].addChild(self.states["/running/root/cd_behaviour/creating"])
-        self.states["/running/root/cd_behaviour"].addChild(self.states["/running/root/cd_behaviour/check_nr_of_fields"])
-        self.states["/running/root/cd_behaviour"].addChild(self.states["/running/root/cd_behaviour/stopped"])
-        self.states[""].fixTree()
-        self.states[""].default_state = self.states["/running"]
-        self.states["/running"].default_state = self.states["/running/root"]
-        self.states["/running/root/main_behaviour"].default_state = self.states["/running/root/main_behaviour/initializing"]
-        self.states["/running/root/cd_behaviour"].default_state = self.states["/running/root/cd_behaviour/waiting"]
-        
-        # transition /running/root/main_behaviour/initializing
-        _running_root_main_behaviour_initializing_0 = Transition(self, self.states["/running/root/main_behaviour/initializing"], [self.states["/running/root/main_behaviour/running"]])
-        _running_root_main_behaviour_initializing_0.setAction(self._running_root_main_behaviour_initializing_0_exec)
-        _running_root_main_behaviour_initializing_0.setTrigger(None)
-        self.states["/running/root/main_behaviour/initializing"].addTransition(_running_root_main_behaviour_initializing_0)
-        
-        # transition /running/root/main_behaviour/running
-        _running_root_main_behaviour_running_0 = Transition(self, self.states["/running/root/main_behaviour/running"], [self.states["/running/root/main_behaviour/running"]])
-        _running_root_main_behaviour_running_0.setAction(self._running_root_main_behaviour_running_0_exec)
-        _running_root_main_behaviour_running_0.setTrigger(Event("button_pressed", None))
-        _running_root_main_behaviour_running_0.setGuard(self._running_root_main_behaviour_running_0_guard)
-        self.states["/running/root/main_behaviour/running"].addTransition(_running_root_main_behaviour_running_0)
-        
-        # transition /running/root/cd_behaviour/waiting
-        _running_root_cd_behaviour_waiting_0 = Transition(self, self.states["/running/root/cd_behaviour/waiting"], [self.states["/running/root/cd_behaviour/creating"]])
-        _running_root_cd_behaviour_waiting_0.setAction(self._running_root_cd_behaviour_waiting_0_exec)
-        _running_root_cd_behaviour_waiting_0.setTrigger(Event("create_field", None))
-        self.states["/running/root/cd_behaviour/waiting"].addTransition(_running_root_cd_behaviour_waiting_0)
-        _running_root_cd_behaviour_waiting_1 = Transition(self, self.states["/running/root/cd_behaviour/waiting"], [self.states["/running/root/cd_behaviour/check_nr_of_fields"]])
-        _running_root_cd_behaviour_waiting_1.setAction(self._running_root_cd_behaviour_waiting_1_exec)
-        _running_root_cd_behaviour_waiting_1.setTrigger(Event("delete_field", None))
-        self.states["/running/root/cd_behaviour/waiting"].addTransition(_running_root_cd_behaviour_waiting_1)
-        
-        # transition /running/root/cd_behaviour/creating
-        _running_root_cd_behaviour_creating_0 = Transition(self, self.states["/running/root/cd_behaviour/creating"], [self.states["/running/root/cd_behaviour/waiting"]])
-        _running_root_cd_behaviour_creating_0.setAction(self._running_root_cd_behaviour_creating_0_exec)
-        _running_root_cd_behaviour_creating_0.setTrigger(Event("instance_created", None))
-        self.states["/running/root/cd_behaviour/creating"].addTransition(_running_root_cd_behaviour_creating_0)
-        
-        # transition /running/root/cd_behaviour/check_nr_of_fields
-        _running_root_cd_behaviour_check_nr_of_fields_0 = Transition(self, self.states["/running/root/cd_behaviour/check_nr_of_fields"], [self.states["/running/root/cd_behaviour/stopped"]])
-        _running_root_cd_behaviour_check_nr_of_fields_0.setAction(self._running_root_cd_behaviour_check_nr_of_fields_0_exec)
-        _running_root_cd_behaviour_check_nr_of_fields_0.setTrigger(Event("_0after"))
-        _running_root_cd_behaviour_check_nr_of_fields_0.setGuard(self._running_root_cd_behaviour_check_nr_of_fields_0_guard)
-        self.states["/running/root/cd_behaviour/check_nr_of_fields"].addTransition(_running_root_cd_behaviour_check_nr_of_fields_0)
-        _running_root_cd_behaviour_check_nr_of_fields_1 = Transition(self, self.states["/running/root/cd_behaviour/check_nr_of_fields"], [self.states["/running/root/cd_behaviour/waiting"]])
-        _running_root_cd_behaviour_check_nr_of_fields_1.setTrigger(None)
-        _running_root_cd_behaviour_check_nr_of_fields_1.setGuard(self._running_root_cd_behaviour_check_nr_of_fields_1_guard)
-        self.states["/running/root/cd_behaviour/check_nr_of_fields"].addTransition(_running_root_cd_behaviour_check_nr_of_fields_1)
-        
-        # transition /running/root
-        _running_root_0 = Transition(self, self.states["/running/root"], [self.states["/running/stopped"]])
-        _running_root_0.setAction(self._running_root_0_exec)
-        _running_root_0.setTrigger(Event("stop", None))
-        self.states["/running/root"].addTransition(_running_root_0)
-    
-    def _running_root_cd_behaviour_check_nr_of_fields_enter(self):
-        self.addTimer(0, 0.05)
-    
-    def _running_root_cd_behaviour_check_nr_of_fields_exit(self):
-        self.removeTimer(0)
-    
-    def _running_root_0_exec(self, parameters):
-        ui.close_window(ui.window)
-    
-    def _running_root_main_behaviour_initializing_0_exec(self, parameters):
-        self.raiseInternalEvent(Event("create_field", None, []))
-    
-    def _running_root_main_behaviour_running_0_exec(self, parameters):
-        event_name = parameters[0]
-        self.raiseInternalEvent(Event("create_field", None, []))
-    
-    def _running_root_main_behaviour_running_0_guard(self, parameters):
-        event_name = parameters[0]
-        return event_name == "create_new_field"
-    
-    def _running_root_cd_behaviour_waiting_0_exec(self, parameters):
-        self.big_step.outputEventOM(Event("create_instance", None, [self, "fields"]))
-    
-    def _running_root_cd_behaviour_waiting_1_exec(self, parameters):
-        association_name = parameters[0]
-        self.big_step.outputEventOM(Event("delete_instance", None, [self, association_name]))
-        self.nr_of_fields -= 1
-    
-    def _running_root_cd_behaviour_creating_0_exec(self, parameters):
-        association_name = parameters[0]
-        self.big_step.outputEventOM(Event("start_instance", None, [self, association_name]))
-        self.big_step.outputEventOM(Event("narrow_cast", None, [self, association_name, Event("set_association_name", None, [association_name])]))
-        self.nr_of_fields += 1
-    
-    def _running_root_cd_behaviour_check_nr_of_fields_0_exec(self, parameters):
-        self.raiseInternalEvent(Event("stop", None, []))
-    
-    def _running_root_cd_behaviour_check_nr_of_fields_0_guard(self, parameters):
-        return self.nr_of_fields == 0
-    
-    def _running_root_cd_behaviour_check_nr_of_fields_1_guard(self, parameters):
-        return self.nr_of_fields != 0
-    
-    def initializeStatechart(self):
-        # enter default state
-        self.default_targets = self.states["/running"].getEffectiveTargetStates()
-        RuntimeClassBase.initializeStatechart(self)
-
-class Field(RuntimeClassBase):
-    def __init__(self, controller):
-        RuntimeClassBase.__init__(self, controller)
-        
-        self.inports["field_ui"] = controller.addInputPort("field_ui", self)
-        
-        self.semantics.big_step_maximality = StatechartSemantics.TakeMany
-        self.semantics.internal_event_lifeline = StatechartSemantics.Queue
-        self.semantics.input_event_lifeline = StatechartSemantics.FirstComboStep
-        self.semantics.priority = StatechartSemantics.SourceParent
-        self.semantics.concurrency = StatechartSemantics.Single
-        
-        # build Statechart structure
-        self.build_statechart_structure()
-        
-        # user defined attributes
-        self.canvas = None
-        self.field_window = None
-        
-        # call user defined constructor
-        Field.user_defined_constructor(self)
-    
-    def user_defined_constructor(self):
-        self.field_window = ui.new_window(800,600,"BouncingBalls");
-        self.canvas = ui.append_canvas(self.field_window,800,550,{'background':'#eee'});
-        ui.bind_event(self.field_window, ui.EVENTS.WINDOW_CLOSE, self.controller, 'window_close', self.inports['field_ui']);
-        ui.bind_event(self.field_window, ui.EVENTS.KEY_PRESS, self.controller, 'key_press', self.inports['field_ui']);
-        ui.bind_event(self.canvas.element, ui.EVENTS.MOUSE_RIGHT_CLICK,    self.controller, 'right_click', self.inports['field_ui']);
-        ui.bind_event(self.canvas.element, ui.EVENTS.MOUSE_MOVE, self.controller, 'mouse_move', self.inports['field_ui']);
-        ui.bind_event(self.canvas.element, ui.EVENTS.MOUSE_RELEASE, self.controller, 'mouse_release', self.inports['field_ui']);
-    
-    def user_defined_destructor(self):
-        ui.close_window(self.field_window);
-    
-    
-    # builds Statechart structure
-    def build_statechart_structure(self):
-        
-        # state <root>
-        self.states[""] = State(0, "", self)
-        
-        # state /root
-        self.states["/root"] = State(1, "/root", self)
-        
-        # state /root/waiting
-        self.states["/root/waiting"] = State(2, "/root/waiting", self)
-        
-        # state /root/initializing
-        self.states["/root/initializing"] = State(3, "/root/initializing", self)
-        
-        # state /root/creating
-        self.states["/root/creating"] = State(4, "/root/creating", self)
-        
-        # state /root/packing
-        self.states["/root/packing"] = State(5, "/root/packing", self)
-        
-        # state /root/running
-        self.states["/root/running"] = ParallelState(6, "/root/running", self)
-        
-        # state /root/running/main_behaviour
-        self.states["/root/running/main_behaviour"] = State(7, "/root/running/main_behaviour", self)
-        
-        # state /root/running/main_behaviour/running
-        self.states["/root/running/main_behaviour/running"] = State(8, "/root/running/main_behaviour/running", self)
-        
-        # state /root/running/main_behaviour/creating
-        self.states["/root/running/main_behaviour/creating"] = State(9, "/root/running/main_behaviour/creating", self)
-        
-        # state /root/running/deleting_behaviour
-        self.states["/root/running/deleting_behaviour"] = State(10, "/root/running/deleting_behaviour", self)
-        
-        # state /root/running/deleting_behaviour/running
-        self.states["/root/running/deleting_behaviour/running"] = State(11, "/root/running/deleting_behaviour/running", self)
-        
-        # state /root/running/child_behaviour
-        self.states["/root/running/child_behaviour"] = State(12, "/root/running/child_behaviour", self)
-        
-        # state /root/running/child_behaviour/listening
-        self.states["/root/running/child_behaviour/listening"] = State(13, "/root/running/child_behaviour/listening", self)
-        
-        # state /root/running/deleting_balls_behaviour
-        self.states["/root/running/deleting_balls_behaviour"] = State(14, "/root/running/deleting_balls_behaviour", self)
-        
-        # state /root/running/deleting_balls_behaviour/listening
-        self.states["/root/running/deleting_balls_behaviour/listening"] = State(15, "/root/running/deleting_balls_behaviour/listening", self)
-        
-        # state /root/deleting
-        self.states["/root/deleting"] = State(16, "/root/deleting", self)
-        
-        # state /root/deleted
-        self.states["/root/deleted"] = State(17, "/root/deleted", self)
-        
-        # add children
-        self.states[""].addChild(self.states["/root"])
-        self.states["/root"].addChild(self.states["/root/waiting"])
-        self.states["/root"].addChild(self.states["/root/initializing"])
-        self.states["/root"].addChild(self.states["/root/creating"])
-        self.states["/root"].addChild(self.states["/root/packing"])
-        self.states["/root"].addChild(self.states["/root/running"])
-        self.states["/root"].addChild(self.states["/root/deleting"])
-        self.states["/root"].addChild(self.states["/root/deleted"])
-        self.states["/root/running"].addChild(self.states["/root/running/main_behaviour"])
-        self.states["/root/running"].addChild(self.states["/root/running/deleting_behaviour"])
-        self.states["/root/running"].addChild(self.states["/root/running/child_behaviour"])
-        self.states["/root/running"].addChild(self.states["/root/running/deleting_balls_behaviour"])
-        self.states["/root/running/main_behaviour"].addChild(self.states["/root/running/main_behaviour/running"])
-        self.states["/root/running/main_behaviour"].addChild(self.states["/root/running/main_behaviour/creating"])
-        self.states["/root/running/deleting_behaviour"].addChild(self.states["/root/running/deleting_behaviour/running"])
-        self.states["/root/running/child_behaviour"].addChild(self.states["/root/running/child_behaviour/listening"])
-        self.states["/root/running/deleting_balls_behaviour"].addChild(self.states["/root/running/deleting_balls_behaviour/listening"])
-        self.states[""].fixTree()
-        self.states[""].default_state = self.states["/root"]
-        self.states["/root"].default_state = self.states["/root/waiting"]
-        self.states["/root/running/main_behaviour"].default_state = self.states["/root/running/main_behaviour/running"]
-        self.states["/root/running/deleting_behaviour"].default_state = self.states["/root/running/deleting_behaviour/running"]
-        self.states["/root/running/child_behaviour"].default_state = self.states["/root/running/child_behaviour/listening"]
-        self.states["/root/running/deleting_balls_behaviour"].default_state = self.states["/root/running/deleting_balls_behaviour/listening"]
-        
-        # transition /root/waiting
-        _root_waiting_0 = Transition(self, self.states["/root/waiting"], [self.states["/root/initializing"]])
-        _root_waiting_0.setAction(self._root_waiting_0_exec)
-        _root_waiting_0.setTrigger(Event("set_association_name", None))
-        self.states["/root/waiting"].addTransition(_root_waiting_0)
-        
-        # transition /root/initializing
-        _root_initializing_0 = Transition(self, self.states["/root/initializing"], [self.states["/root/creating"]])
-        _root_initializing_0.setAction(self._root_initializing_0_exec)
-        _root_initializing_0.setTrigger(None)
-        self.states["/root/initializing"].addTransition(_root_initializing_0)
-        
-        # transition /root/creating
-        _root_creating_0 = Transition(self, self.states["/root/creating"], [self.states["/root/packing"]])
-        _root_creating_0.setAction(self._root_creating_0_exec)
-        _root_creating_0.setTrigger(Event("instance_created", None))
-        self.states["/root/creating"].addTransition(_root_creating_0)
-        
-        # transition /root/packing
-        _root_packing_0 = Transition(self, self.states["/root/packing"], [self.states["/root/running"]])
-        _root_packing_0.setTrigger(Event("button_created", None))
-        self.states["/root/packing"].addTransition(_root_packing_0)
-        
-        # transition /root/running/main_behaviour/running
-        _root_running_main_behaviour_running_0 = Transition(self, self.states["/root/running/main_behaviour/running"], [self.states["/root/running/main_behaviour/creating"]])
-        _root_running_main_behaviour_running_0.setAction(self._root_running_main_behaviour_running_0_exec)
-        _root_running_main_behaviour_running_0.setTrigger(Event("right_click", self.getInPortName("field_ui")))
-        self.states["/root/running/main_behaviour/running"].addTransition(_root_running_main_behaviour_running_0)
-        
-        # transition /root/running/main_behaviour/creating
-        _root_running_main_behaviour_creating_0 = Transition(self, self.states["/root/running/main_behaviour/creating"], [self.states["/root/running/main_behaviour/running"]])
-        _root_running_main_behaviour_creating_0.setAction(self._root_running_main_behaviour_creating_0_exec)
-        _root_running_main_behaviour_creating_0.setTrigger(Event("instance_created", None))
-        self.states["/root/running/main_behaviour/creating"].addTransition(_root_running_main_behaviour_creating_0)
-        
-        # transition /root/running/deleting_behaviour/running
-        _root_running_deleting_behaviour_running_0 = Transition(self, self.states["/root/running/deleting_behaviour/running"], [self.states["/root/running/deleting_behaviour/running"]])
-        _root_running_deleting_behaviour_running_0.setAction(self._root_running_deleting_behaviour_running_0_exec)
-        _root_running_deleting_behaviour_running_0.setTrigger(Event("delete_ball", None))
-        self.states["/root/running/deleting_behaviour/running"].addTransition(_root_running_deleting_behaviour_running_0)
-        
-        # transition /root/running/child_behaviour/listening
-        _root_running_child_behaviour_listening_0 = Transition(self, self.states["/root/running/child_behaviour/listening"], [self.states["/root/running/child_behaviour/listening"]])
-        _root_running_child_behaviour_listening_0.setAction(self._root_running_child_behaviour_listening_0_exec)
-        _root_running_child_behaviour_listening_0.setTrigger(Event("button_pressed", None))
-        self.states["/root/running/child_behaviour/listening"].addTransition(_root_running_child_behaviour_listening_0)
-        
-        # transition /root/running/deleting_balls_behaviour/listening
-        _root_running_deleting_balls_behaviour_listening_0 = Transition(self, self.states["/root/running/deleting_balls_behaviour/listening"], [self.states["/root/running/deleting_balls_behaviour/listening"]])
-        _root_running_deleting_balls_behaviour_listening_0.setAction(self._root_running_deleting_balls_behaviour_listening_0_exec)
-        _root_running_deleting_balls_behaviour_listening_0.setTrigger(Event("key_press", self.getInPortName("field_ui")))
-        _root_running_deleting_balls_behaviour_listening_0.setGuard(self._root_running_deleting_balls_behaviour_listening_0_guard)
-        self.states["/root/running/deleting_balls_behaviour/listening"].addTransition(_root_running_deleting_balls_behaviour_listening_0)
-        
-        # transition /root/deleting
-        _root_deleting_0 = Transition(self, self.states["/root/deleting"], [self.states["/root/deleted"]])
-        _root_deleting_0.setAction(self._root_deleting_0_exec)
-        _root_deleting_0.setTrigger(None)
-        self.states["/root/deleting"].addTransition(_root_deleting_0)
-        
-        # transition /root/running
-        _root_running_0 = Transition(self, self.states["/root/running"], [self.states["/root/deleting"]])
-        _root_running_0.setAction(self._root_running_0_exec)
-        _root_running_0.setTrigger(Event("window_close", self.getInPortName("field_ui")))
-        self.states["/root/running"].addTransition(_root_running_0)
-    
-    def _root_running_0_exec(self, parameters):
-        self.big_step.outputEventOM(Event("delete_instance", None, [self, "buttons"]))
-        self.big_step.outputEventOM(Event("delete_instance", None, [self, "balls"]))
-    
-    def _root_waiting_0_exec(self, parameters):
-        association_name = parameters[0]
-        self.association_name = association_name
-    
-    def _root_initializing_0_exec(self, parameters):
-        self.big_step.outputEventOM(Event("create_instance", None, [self, "buttons", "Button", self.field_window, 'create_new_field', 'Spawn New Window']))
-    
-    def _root_creating_0_exec(self, parameters):
-        association_name = parameters[0]
-        self.big_step.outputEventOM(Event("start_instance", None, [self, association_name]))
-    
-    def _root_running_main_behaviour_running_0_exec(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        button = parameters[2]
-        self.big_step.outputEventOM(Event("create_instance", None, [self, "balls", "Ball", self.canvas, x, y]))
-    
-    def _root_running_main_behaviour_creating_0_exec(self, parameters):
-        association_name = parameters[0]
-        self.big_step.outputEventOM(Event("start_instance", None, [self, association_name]))
-        self.big_step.outputEventOM(Event("narrow_cast", None, [self, association_name, Event("set_association_name", None, [association_name])]))
-    
-    def _root_running_deleting_behaviour_running_0_exec(self, parameters):
-        association_name = parameters[0]
-        self.big_step.outputEventOM(Event("delete_instance", None, [self, association_name]))
-    
-    def _root_running_child_behaviour_listening_0_exec(self, parameters):
-        event_name = parameters[0]
-        self.big_step.outputEventOM(Event("narrow_cast", None, [self, 'parent', Event("button_pressed", None, [event_name])]))
-    
-    def _root_running_deleting_balls_behaviour_listening_0_exec(self, parameters):
-        key = parameters[0]
-        self.big_step.outputEventOM(Event("narrow_cast", None, [self, 'balls', Event("delete_self", None, [])]))
-    
-    def _root_running_deleting_balls_behaviour_listening_0_guard(self, parameters):
-        key = parameters[0]
-        return key == ui.KEYCODES.DELETE
-    
-    def _root_deleting_0_exec(self, parameters):
-        self.big_step.outputEventOM(Event("narrow_cast", None, [self, 'parent', Event("delete_field", None, [self.association_name])]))
-    
-    def initializeStatechart(self):
-        # enter default state
-        self.default_targets = self.states["/root"].getEffectiveTargetStates()
-        RuntimeClassBase.initializeStatechart(self)
-
-class Button(RuntimeClassBase):
-    def __init__(self, controller, tkparent, event_name, button_text):
-        RuntimeClassBase.__init__(self, controller)
-        
-        self.inports["button_ui"] = controller.addInputPort("button_ui", self)
-        
-        self.semantics.big_step_maximality = StatechartSemantics.TakeMany
-        self.semantics.internal_event_lifeline = StatechartSemantics.Queue
-        self.semantics.input_event_lifeline = StatechartSemantics.FirstComboStep
-        self.semantics.priority = StatechartSemantics.SourceParent
-        self.semantics.concurrency = StatechartSemantics.Single
-        
-        # build Statechart structure
-        self.build_statechart_structure()
-        
-        # call user defined constructor
-        Button.user_defined_constructor(self, tkparent, event_name, button_text)
-    
-    def user_defined_constructor(self, tkparent, event_name, button_text):
-        self.event_name = event_name;
-        button = ui.append_button(tkparent, event_name);
-        ui.bind_event(button.element, ui.EVENTS.MOUSE_CLICK, self.controller, 'mouse_click', self.inports['button_ui']);
-    
-    def user_defined_destructor(self):
-        pass
-    
-    
-    # builds Statechart structure
-    def build_statechart_structure(self):
-        
-        # state <root>
-        self.states[""] = State(0, "", self)
-        
-        # state /initializing
-        self.states["/initializing"] = State(1, "/initializing", self)
-        
-        # state /running
-        self.states["/running"] = State(2, "/running", self)
-        
-        # add children
-        self.states[""].addChild(self.states["/initializing"])
-        self.states[""].addChild(self.states["/running"])
-        self.states[""].fixTree()
-        self.states[""].default_state = self.states["/initializing"]
-        
-        # transition /initializing
-        _initializing_0 = Transition(self, self.states["/initializing"], [self.states["/running"]])
-        _initializing_0.setAction(self._initializing_0_exec)
-        _initializing_0.setTrigger(None)
-        self.states["/initializing"].addTransition(_initializing_0)
-        
-        # transition /running
-        _running_0 = Transition(self, self.states["/running"], [self.states["/running"]])
-        _running_0.setAction(self._running_0_exec)
-        _running_0.setTrigger(Event("mouse_click", self.getInPortName("button_ui")))
-        _running_0.setGuard(self._running_0_guard)
-        self.states["/running"].addTransition(_running_0)
-    
-    def _initializing_0_exec(self, parameters):
-        self.big_step.outputEventOM(Event("narrow_cast", None, [self, 'parent', Event("button_created", None, [])]))
-    
-    def _running_0_exec(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        button = parameters[2]
-        self.big_step.outputEventOM(Event("narrow_cast", None, [self, 'parent', Event("button_pressed", None, [self.event_name])]))
-    
-    def _running_0_guard(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        button = parameters[2]
-        return button == ui.MOUSE_BUTTONS.LEFT
-    
-    def initializeStatechart(self):
-        # enter default state
-        self.default_targets = self.states["/initializing"].getEffectiveTargetStates()
-        RuntimeClassBase.initializeStatechart(self)
-
-class Ball(RuntimeClassBase):
-    def __init__(self, controller, canvas, x, y):
-        RuntimeClassBase.__init__(self, controller)
-        
-        self.inports["ball_ui"] = controller.addInputPort("ball_ui", self)
-        
-        self.semantics.big_step_maximality = StatechartSemantics.TakeMany
-        self.semantics.internal_event_lifeline = StatechartSemantics.Queue
-        self.semantics.input_event_lifeline = StatechartSemantics.FirstComboStep
-        self.semantics.priority = StatechartSemantics.SourceParent
-        self.semantics.concurrency = StatechartSemantics.Single
-        
-        # build Statechart structure
-        self.build_statechart_structure()
-        
-        # user defined attributes
-        self.canvas = None
-        
-        # call user defined constructor
-        Ball.user_defined_constructor(self, canvas, x, y)
-    
-    def user_defined_constructor(self, canvas, x, y):
-        self.canvas = canvas;
-        self.r = 20.0;
-        self.vel = {'x': random.uniform(-5.0, 5.0), 'y': random.uniform(-5.0, 5.0)};
-        self.mouse_pos = {};
-        self.smooth = 0.4; # value between 0 and 1
-        
-        circle = self.canvas.add_circle(x, y, self.r, {'fill':'#000'});
-        ui.bind_event(circle, ui.EVENTS.MOUSE_PRESS, self.controller, 'mouse_press', self.inports["ball_ui"]);
-        ui.bind_event(circle, ui.EVENTS.MOUSE_MOVE, self.controller, 'mouse_move', self.inports['ball_ui']);
-        ui.bind_event(circle, ui.EVENTS.MOUSE_RELEASE, self.controller, 'mouse_release', self.inports['ball_ui']);
-        self.element = circle;
-    
-    def user_defined_destructor(self):
-        self.canvas.remove_element(self.element);
-    
-    
-    # builds Statechart structure
-    def build_statechart_structure(self):
-        
-        # state <root>
-        self.states[""] = State(0, "", self)
-        
-        # state /main_behaviour
-        self.states["/main_behaviour"] = State(1, "/main_behaviour", self)
-        
-        # state /main_behaviour/initializing
-        self.states["/main_behaviour/initializing"] = State(2, "/main_behaviour/initializing", self)
-        
-        # state /main_behaviour/bouncing
-        self.states["/main_behaviour/bouncing"] = State(3, "/main_behaviour/bouncing", self)
-        self.states["/main_behaviour/bouncing"].setEnter(self._main_behaviour_bouncing_enter)
-        self.states["/main_behaviour/bouncing"].setExit(self._main_behaviour_bouncing_exit)
-        
-        # state /main_behaviour/dragging
-        self.states["/main_behaviour/dragging"] = State(4, "/main_behaviour/dragging", self)
-        
-        # state /main_behaviour/selected
-        self.states["/main_behaviour/selected"] = State(5, "/main_behaviour/selected", self)
-        
-        # state /deleted
-        self.states["/deleted"] = State(6, "/deleted", self)
-        
-        # add children
-        self.states[""].addChild(self.states["/main_behaviour"])
-        self.states[""].addChild(self.states["/deleted"])
-        self.states["/main_behaviour"].addChild(self.states["/main_behaviour/initializing"])
-        self.states["/main_behaviour"].addChild(self.states["/main_behaviour/bouncing"])
-        self.states["/main_behaviour"].addChild(self.states["/main_behaviour/dragging"])
-        self.states["/main_behaviour"].addChild(self.states["/main_behaviour/selected"])
-        self.states[""].fixTree()
-        self.states[""].default_state = self.states["/main_behaviour"]
-        self.states["/main_behaviour"].default_state = self.states["/main_behaviour/initializing"]
-        
-        # transition /main_behaviour/initializing
-        _main_behaviour_initializing_0 = Transition(self, self.states["/main_behaviour/initializing"], [self.states["/main_behaviour/bouncing"]])
-        _main_behaviour_initializing_0.setAction(self._main_behaviour_initializing_0_exec)
-        _main_behaviour_initializing_0.setTrigger(Event("set_association_name", None))
-        self.states["/main_behaviour/initializing"].addTransition(_main_behaviour_initializing_0)
-        
-        # transition /main_behaviour/bouncing
-        _main_behaviour_bouncing_0 = Transition(self, self.states["/main_behaviour/bouncing"], [self.states["/main_behaviour/bouncing"]])
-        _main_behaviour_bouncing_0.setAction(self._main_behaviour_bouncing_0_exec)
-        _main_behaviour_bouncing_0.setTrigger(Event("_0after"))
-        self.states["/main_behaviour/bouncing"].addTransition(_main_behaviour_bouncing_0)
-        _main_behaviour_bouncing_1 = Transition(self, self.states["/main_behaviour/bouncing"], [self.states["/main_behaviour/selected"]])
-        _main_behaviour_bouncing_1.setAction(self._main_behaviour_bouncing_1_exec)
-        _main_behaviour_bouncing_1.setTrigger(Event("mouse_press", self.getInPortName("ball_ui")))
-        _main_behaviour_bouncing_1.setGuard(self._main_behaviour_bouncing_1_guard)
-        self.states["/main_behaviour/bouncing"].addTransition(_main_behaviour_bouncing_1)
-        
-        # transition /main_behaviour/dragging
-        _main_behaviour_dragging_0 = Transition(self, self.states["/main_behaviour/dragging"], [self.states["/main_behaviour/dragging"]])
-        _main_behaviour_dragging_0.setAction(self._main_behaviour_dragging_0_exec)
-        _main_behaviour_dragging_0.setTrigger(Event("mouse_move", self.getInPortName("ball_ui")))
-        self.states["/main_behaviour/dragging"].addTransition(_main_behaviour_dragging_0)
-        _main_behaviour_dragging_1 = Transition(self, self.states["/main_behaviour/dragging"], [self.states["/main_behaviour/bouncing"]])
-        _main_behaviour_dragging_1.setAction(self._main_behaviour_dragging_1_exec)
-        _main_behaviour_dragging_1.setTrigger(Event("mouse_release", self.getInPortName("ball_ui")))
-        self.states["/main_behaviour/dragging"].addTransition(_main_behaviour_dragging_1)
-        
-        # transition /main_behaviour/selected
-        _main_behaviour_selected_0 = Transition(self, self.states["/main_behaviour/selected"], [self.states["/main_behaviour/dragging"]])
-        _main_behaviour_selected_0.setAction(self._main_behaviour_selected_0_exec)
-        _main_behaviour_selected_0.setTrigger(Event("mouse_press", self.getInPortName("ball_ui")))
-        _main_behaviour_selected_0.setGuard(self._main_behaviour_selected_0_guard)
-        self.states["/main_behaviour/selected"].addTransition(_main_behaviour_selected_0)
-        _main_behaviour_selected_1 = Transition(self, self.states["/main_behaviour/selected"], [self.states["/deleted"]])
-        _main_behaviour_selected_1.setAction(self._main_behaviour_selected_1_exec)
-        _main_behaviour_selected_1.setTrigger(Event("delete_self", None))
-        self.states["/main_behaviour/selected"].addTransition(_main_behaviour_selected_1)
-    
-    def _main_behaviour_bouncing_enter(self):
-        self.addTimer(0, (20 - self.getSimulatedTime() % 20) / 1000.0)
-    
-    def _main_behaviour_bouncing_exit(self):
-        self.removeTimer(0)
-    
-    def _main_behaviour_initializing_0_exec(self, parameters):
-        association_name = parameters[0]
-        self.association_name = association_name
-    
-    def _main_behaviour_bouncing_0_exec(self, parameters):
-        pos = self.element.get_position();    
-        if pos.x-self.r <= 0 or pos.x+self.r >= self.canvas.get_width():
-            self.vel['x'] = -self.vel['x'];
-        if pos.y-self.r <= 0 or pos.y+self.r >= self.canvas.get_height():
-            self.vel['y'] = -self.vel['y'];
-        self.element.move(self.vel['x'], self.vel['y']);
-    
-    def _main_behaviour_bouncing_1_exec(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        button = parameters[2]
-        self.element.set_color("#ff0");
-    
-    def _main_behaviour_bouncing_1_guard(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        button = parameters[2]
-        return button == ui.MOUSE_BUTTONS.LEFT
-    
-    def _main_behaviour_dragging_0_exec(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        button = parameters[2]
-        dx = x - self.mouse_pos['x'];
-        dy = y - self.mouse_pos['y'];
-        
-        self.element.move(dx, dy);
-        
-        # keep ball within boundaries
-        pos = self.element.get_position();
-        if pos.x-self.r <= 0 :
-            pos.x = self.r + 1;
-        elif pos.x+self.r >= self.canvas.width :
-            pos.x = self.canvas.width-self.r-1;
-        if pos.y-self.r <= 0 :
-            pos.y = self.r + 1;
-        elif pos.y+self.r >= self.canvas.height :
-            pos.y = self.canvas.height-self.r-1;
-        self.element.set_position(pos.x, pos.y);
-        self.mouse_pos = {'x':x, 'y':y};
-        self.vel = {
-            'x': (1-self.smooth)*dx + self.smooth*self.vel['x'],
-            'y': (1-self.smooth)*dy + self.smooth*self.vel['y']
-        };
-    
-    def _main_behaviour_dragging_1_exec(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        self.element.set_color("#f00");
-    
-    def _main_behaviour_selected_0_exec(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        button = parameters[2]
-        self.mouse_pos = {'x':x, 'y':y};
-    
-    def _main_behaviour_selected_0_guard(self, parameters):
-        x = parameters[0]
-        y = parameters[1]
-        button = parameters[2]
-        return button == ui.MOUSE_BUTTONS.LEFT
-    
-    def _main_behaviour_selected_1_exec(self, parameters):
-        self.big_step.outputEventOM(Event("narrow_cast", None, [self, 'parent', Event("delete_ball", None, [self.association_name])]))
-    
-    def initializeStatechart(self):
-        # enter default state
-        self.default_targets = self.states["/main_behaviour"].getEffectiveTargetStates()
-        RuntimeClassBase.initializeStatechart(self)
-
-class ObjectManager(ObjectManagerBase):
-    def __init__(self, controller):
-        ObjectManagerBase.__init__(self, controller)
-    
-    def instantiate(self, class_name, construct_params):
-        if class_name == "MainApp":
-            instance = MainApp(self.controller)
-            instance.associations = {}
-            instance.associations["fields"] = Association("Field", 0, -1)
-        elif class_name == "Field":
-            instance = Field(self.controller)
-            instance.associations = {}
-            instance.associations["balls"] = Association("Ball", 0, -1)
-            instance.associations["buttons"] = Association("Button", 0, -1)
-            instance.associations["parent"] = Association("MainApp", 1, 1)
-        elif class_name == "Button":
-            instance = Button(self.controller, construct_params[0], construct_params[1], construct_params[2])
-            instance.associations = {}
-            instance.associations["parent"] = Association("Field", 1, 1)
-        elif class_name == "Ball":
-            instance = Ball(self.controller, construct_params[0], construct_params[1], construct_params[2])
-            instance.associations = {}
-            instance.associations["parent"] = Association("Field", 1, 1)
-        else:
-            raise Exception("Cannot instantiate class " + class_name)
-        return instance
-
-class Controller(EventLoopControllerBase):
-    def __init__(self, event_loop_callbacks, finished_callback = None, behind_schedule_callback = None):
-        if finished_callback == None: finished_callback = None
-        if behind_schedule_callback == None: behind_schedule_callback = None
-        EventLoopControllerBase.__init__(self, ObjectManager(self), event_loop_callbacks, finished_callback, behind_schedule_callback)
-        self.addInputPort("ui")
-        self.object_manager.createInstance("MainApp", [])