class ERView(object):
"""The view class for the ER application."""
def __init__(self):
self._model = ERModel()
def run(self):
"""Menu-driven command loop for the app."""
menu = "Main menu\n" + \
" 1 Schedule a patient\n" + \
" 2 Treat the next patient\n" + \
" 3 Treat all patients\n" \
" 4 Exit the program\n"
while True:
command = self._getCommand(4, menu)
if command == 1: self._schedule()
elif command == 2: self._treatNext()
elif command == 3: self._treatAll()
else: break
def _treatNext(self):
"""Treats one patient if there is one."""
patient = self._model.treatNext()
if patient is None:
print "No patients available to treat"
return False
else:
print patient, "is being treated"
return True
def _treatAll(self):
while self._treatNext():
pass
def _schedule(self):
"""Obtains patient info and schedules patient."""
name = raw_input("\nEnter the patient's name: ")
condition = self._getCondition()
self._model.schedule(Patient(name, condition))
print name, "is added to the", condition, "list\n"
def _getCondition(self):
"""Obtains condition info."""
menu = "Patient's condition:\n" + \
" 1 Critical\n" + \
" 2 Serious\n" + \
" 3 Fair\n"
number = self._getCommand(3, menu)
return Condition(number)
def _getCommand(self, high, menu):
"""Obtains and returns a command number."""
prompt = "Enter a number [1-" + str(high) + "]: "
commandRange = map(str, range(1, high + 1))
error = "Error, number must be 1 to " + str(high)
while True:
print menu
command = raw_input(prompt)
if command in commandRange:
return int(command)
else:
print error
class ERView(object):
"""The view class for the ER application."""
def __init__(self):
self._model = ERModel()
def run(self):
"""Menu-driven command loop for the app."""
menu = "Main menu\n" + \
" 1 Schedule a patient\n" + \
" 2 Treat the next patient\n" + \
" 3 Treat all patients\n" \
" 4 Exit the program\n"
while True:
command = self._getCommand(4, menu)
if command == 1: self._schedule()
elif command == 2: self._treatNext()
elif command == 3: self._treatAll()
else: break
def _treatNext(self):
"""Treats one patient if there is one."""
patient = self._model.treatNext()
if patient is None:
print "No patients available to treat"
return False
else:
print patient, "is being treated"
return True
def _treatAll(self):
while self._treatNext():
pass
def _schedule(self):
"""Obtains patient info and schedules patient."""
name = raw_input("\nEnter the patient's name: ")
condition = self._getCondition()
self._model.schedule(Patient(name, condition))
print name, "is added to the", condition, "list\n"
def _getCondition(self):
"""Obtains condition info."""
menu = "Patient's condition:\n" + \
" 1 Critical\n" + \
" 2 Serious\n" + \
" 3 Fair\n"
number = self._getCommand(3, menu)
return Condition(number)
def _getCommand(self, high, menu):
"""Obtains and returns a command number."""
prompt = "Enter a number [1-" + str(high) + "]: "
commandRange = map(str, range(1, high + 1))
error = "Error, number must be 1 to " + str(high)
while True:
print menu
command = raw_input(prompt)
if command in commandRange:
return int(command)
else:
print error
def __init__(self):
self._model = ERModel()
def __init__(self):
self._model = ERModel()