VIM-like-text-editor/mvc/controllers.py

46 lines
1.7 KiB
Python

from abc import ABC, abstractmethod
from mvc.views import CursesAdapter
from mvc.models import VimModel
class IStrategy(ABC):
def __init__(self, model: VimModel, adapter: CursesAdapter):
self.model = model
self.adapter = adapter
@abstractmethod
def HandleInput(self, symbolCode: int) -> bool:
pass
class Controller:
def __init__(self, strategy: IStrategy):
self.strategy = strategy
def SetController(self, strategy: IStrategy):
self.strategy = strategy
def HandleInput(self, symbolCode: int):
return self.strategy.HandleInput(symbolCode)
class EditStrategy(IStrategy):
def __init__(self, model: VimModel, adapter: CursesAdapter):
self.model = model
self.adapter = adapter
def HandleInput(self, symbolCode):
"""Обработка ввода пользователя"""
match symbolCode:
case self.adapter.KEY_ESCAPE: return False
case self.adapter.KEY_LEFT: self.model.MoveLeft()
case self.adapter.KEY_RIGHT: self.model.MoveRight()
case self.adapter.KEY_UP: self.model.MoveUp()
case self.adapter.KEY_DOWN: self.model.MoveDown()
case self.adapter.KEY_ENTER: self.model.Enter()
case self.adapter.KEY_BACKSPACE_1: self.model.Backspace()
case self.adapter.KEY_BACKSPACE_2: self.model.Backspace()
case self.adapter.KEY_CTRL_S: self.model.SaveFile()
case _:
if symbolCode > 127 or symbolCode < 0:
print("Only 1-byte symbols!")
return False
self.model.InsertSymbol(symbolCode)
self.model.Scroll(self.adapter.lines, self.adapter.cols)
return True