def __init__(self, grammarController, state):
self.grammarController = grammarController
self.state = state
self._view = EditStateView(self, self.state)
self.log = logging.getLogger(__name__)
def __init__(self, grammarController, state):
self.grammarController = grammarController
self.state = state
self._view = EditStateView(self, self.state)
self.log = logging.getLogger(__name__)
class EditStateController(object):
"""Manages the edition of a state"""
def __init__(self, grammarController, state):
self.grammarController = grammarController
self.state = state
self._view = EditStateView(self, self.state)
self.log = logging.getLogger(__name__)
@property
def view(self):
return self._view
def displayErrorMessage(self, errorMessage):
if errorMessage is None:
self._view.errorImage.hide()
self._view.errorLabel.set_label("")
self._view.errorLabel.hide()
else:
self._view.errorLabel.set_label(errorMessage)
self._view.errorLabel.show()
self._view.errorImage.show()
def cancelButton_clicked_cb(self, event):
"""Callback executed when the user clicks on the cancel button"""
self._view.destroy()
def createButton_clicked_cb(self, event):
currentProject = self.grammarController.getCurrentProject()
"""callback executed when the user clicks on the create button"""
initialState = self._view.initialStateCheckButton.get_active()
stateName = self._view.nameEntry.get_text()
automata = currentProject.getGrammar().getAutomata()
errorMessage = None
# verify initialState is valid
if not initialState and automata.getInitialState() == self.state:
errorMessage = _("You cannot deactivate an initial state.")
self.displayErrorMessage(errorMessage)
return
# verify the name of the state is unique
found = False
if automata is not None:
for state in automata.getStates():
if state.getName() == stateName and state != self.state:
found = True
break
if found:
errorMessage = _("A state already has this name, please specify another one")
self.displayErrorMessage(errorMessage)
return
self.state.setName(stateName)
if initialState:
automata.setInitialState(self.state)
self._view.destroy()
self.grammarController.restart()
def run(self):
self._view.run()
class EditStateController(object):
"""Manages the edition of a state"""
def __init__(self, grammarController, state):
self.grammarController = grammarController
self.state = state
self._view = EditStateView(self, self.state)
self.log = logging.getLogger(__name__)
@property
def view(self):
return self._view
def displayErrorMessage(self, errorMessage):
if errorMessage is None:
self._view.errorImage.hide()
self._view.errorLabel.set_label("")
self._view.errorLabel.hide()
else:
self._view.errorLabel.set_label(errorMessage)
self._view.errorLabel.show()
self._view.errorImage.show()
def cancelButton_clicked_cb(self, event):
"""Callback executed when the user clicks on the cancel button"""
self._view.destroy()
def createButton_clicked_cb(self, event):
currentProject = self.grammarController.getCurrentProject()
"""callback executed when the user clicks on the create button"""
initialState = self._view.initialStateCheckButton.get_active()
stateName = self._view.nameEntry.get_text()
automata = currentProject.getGrammar().getAutomata()
errorMessage = None
# verify initialState is valid
if not initialState and automata.getInitialState() == self.state:
errorMessage = _("You cannot deactivate an initial state.")
self.displayErrorMessage(errorMessage)
return
# verify the name of the state is unique
found = False
if automata is not None:
for state in automata.getStates():
if state.getName() == stateName and state != self.state:
found = True
break
if found:
errorMessage = _(
"A state already has this name, please specify another one")
self.displayErrorMessage(errorMessage)
return
self.state.setName(stateName)
if initialState:
automata.setInitialState(self.state)
self._view.destroy()
self.grammarController.restart()
def run(self):
self._view.run()
