SCCD/examples/timer/python/target_py/target.py

"""
Generated by Statechart compiler by Glenn De Jonghe, Joeri Exelmans, Simon Van Mierlo, and Yentl Van Tendeloo (for the inspiration)

Date:   Fri Aug 05 16:08:36 2016

Model author: Simon Van Mierlo
Model name:   Timer

"""

from sccd.runtime.statecharts_core import *
from sccd.runtime.libs.ui import ui
from sccd.runtime.accurate_time import time
from sccd.runtime.statecharts_core import get_simulated_time

# package "Timer"

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.canvas = ui.append_canvas(ui.window,100,100,{'background':'#eee'})
        self.clock_text = self.canvas.element.create_text(25,25,{'text':'0.0'})
        self.actual_clock_text = self.canvas.element.create_text(25,50,{'text':'0.0'})
        interrupt_button = ui.append_button(ui.window, 'INTERRUPT');
        continue_button = ui.append_button(ui.window, 'CONTINUE');
        ui.bind_event(interrupt_button.element, ui.EVENTS.MOUSE_CLICK, self.controller, 'interrupt_clicked');
        ui.bind_event(continue_button.element, ui.EVENTS.MOUSE_CLICK, self.controller, 'continue_clicked');
    
    def user_defined_destructor(self):
        pass
    
    
    # user defined method
    def update_timers(self):
        self.canvas.element.itemconfigure(self.clock_text, text=str('%.2f' % get_simulated_time()))
        self.canvas.element.itemconfigure(self.actual_clock_text, text='%.2f' % time())
    
    
    # builds Statechart structure
    def build_statechart_structure(self):
        
        # state <root>
        self.states[""] = State(0, self)
        
        # state /running
        self.states["/running"] = State(1, self)
        self.states["/running"].setEnter(self._running_enter)
        self.states["/running"].setExit(self._running_exit)
        
        # state /interrupted
        self.states["/interrupted"] = State(2, self)
        
        # add children
        self.states[""].addChild(self.states["/running"])
        self.states[""].addChild(self.states["/interrupted"])
        self.states[""].fixTree()
        self.states[""].default_state = self.states["/running"]
        
        # transition /running
        _running_0 = Transition(self, self.states["/running"], [self.states["/running"]])
        _running_0.setAction(self._running_0_exec)
        _running_0.setTrigger(Event("_0after"))
        self.states["/running"].addTransition(_running_0)
        _running_1 = Transition(self, self.states["/running"], [self.states["/interrupted"]])
        _running_1.setAction(self._running_1_exec)
        _running_1.setTrigger(Event("interrupt_clicked", "ui"))
        self.states["/running"].addTransition(_running_1)
        
        # transition /interrupted
        _interrupted_0 = Transition(self, self.states["/interrupted"], [self.states["/interrupted"]])
        _interrupted_0.setAction(self._interrupted_0_exec)
        _interrupted_0.setTrigger(Event("interrupt_clicked", "ui"))
        self.states["/interrupted"].addTransition(_interrupted_0)
        _interrupted_1 = Transition(self, self.states["/interrupted"], [self.states["/running"]])
        _interrupted_1.setAction(self._interrupted_1_exec)
        _interrupted_1.setTrigger(Event("continue_clicked", "ui"))
        self.states["/interrupted"].addTransition(_interrupted_1)
    
    def _running_enter(self):
        self.addTimer(0, 0.05)
    
    def _running_exit(self):
        self.removeTimer(0)
    
    def _running_0_exec(self, parameters):
        self.update_timers()
    
    def _running_1_exec(self, parameters):
        self.update_timers()
    
    def _interrupted_0_exec(self, parameters):
        self.update_timers()
    
    def _interrupted_1_exec(self, parameters):
        self.update_timers()
    
    def initializeStatechart(self):
        # enter default state
        states = self.states["/running"].getEffectiveTargetStates()
        self.updateConfiguration(states)
        for state in states:
            if state.enter:
                state.enter()

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 = {}
        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", [])