105 lines
5.5 KiB
Python
105 lines
5.5 KiB
Python
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import curses
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class EditController:
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def __init__(self, model, view):
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self.model = model
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self.view = view
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def handle_input(self, symbolCode):
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"""Обработка ввода пользователя"""
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if symbolCode == 27: # EXIT
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return False
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elif symbolCode == curses.KEY_LEFT:
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if self.model.currentCol > 0:
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self.model.currentCol -= 1
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elif self.model.currentLine > 0:
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self.model.currentLine -= 1
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self.model.currentCol = len(self.model.displayBuffer[self.model.currentLine])
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elif symbolCode == curses.KEY_RIGHT:
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if self.model.currentCol < len(self.model.displayBuffer[self.model.currentLine]):
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self.model.currentCol += 1
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elif self.model.currentLine < len(self.model.displayBuffer) - 1:
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self.model.currentLine += 1
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self.model.currentCol = 0
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elif symbolCode == curses.KEY_UP:
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if self.model.currentLine > 0:
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self.model.currentLine -= 1
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self.model.currentCol = min(self.model.currentCol, len(self.model.displayBuffer[self.model.currentLine]))
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elif symbolCode == curses.KEY_DOWN:
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if self.model.currentLine < len(self.model.displayBuffer) - 1:
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self.model.currentLine += 1
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self.model.currentCol = min(self.model.currentCol, len(self.model.displayBuffer[self.model.currentLine]))
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# BACKSPACE
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elif symbolCode in (127, 8): # Backspace
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if self.model.currentCol > 0: # Если символ существует в текущей строке
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self.model.currentCol -= 1
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del self.model.displayBuffer[self.model.currentLine][self.model.currentCol] # Удаляем символ
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elif self.model.currentLine > 0: # Если текущая строка не первая
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# Объединяем текущую строку с предыдущей
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prev_line_length = len(self.model.displayBuffer[self.model.currentLine - 1])
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self.model.displayBuffer[self.model.currentLine - 1].extend(self.model.displayBuffer[self.model.currentLine])
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del self.model.displayBuffer[self.model.currentLine]
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self.model.currentLine -= 1
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self.model.currentCol = prev_line_length # Переходим в конец предыдущей строки
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# ENTER
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elif symbolCode == 10: # Enter
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# Разделяем текущую строку на две части
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new_line = self.model.displayBuffer[self.model.currentLine][self.model.currentCol:]
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self.model.displayBuffer[self.model.currentLine] = self.model.displayBuffer[self.model.currentLine][:self.model.currentCol]
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self.model.currentLine += 1 # Переходим на следующую строку
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self.model.displayBuffer.insert(self.model.currentLine, new_line) # Вставляем новую строку
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self.model.currentCol = 0 # Сбрасываем индекс колонки
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# Сохранение файла (Ctrl+S)
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elif symbolCode == 19: # Ctrl+S
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result = self.model.save_file()
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if result is True:
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self.view.screen.addstr(self.view.lines - 1, 0, f"File {self.model.file_path} saved successfully.")
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else:
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self.view.screen.addstr(self.view.lines - 1, 0, f"Error saving file: {result}")
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else:
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if self.model.currentCol <= len(self.model.displayBuffer[self.model.currentLine]): # проверяем, не превышает ли индекс колонки длину строки
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self.model.displayBuffer[self.model.currentLine].insert(self.model.currentCol, chr(symbolCode))
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self.model.currentCol += 1
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# Прокрутка экрана
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if self.model.currentLine < self.model.scrollY:
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self.model.scrollY = self.model.currentLine
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elif self.model.currentLine >= self.model.scrollY + self.view.lines - 1:
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self.model.scrollY = self.model.currentLine - self.view.lines + 2
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if self.model.currentCol < self.model.scrollX:
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self.model.scrollX = self.model.currentCol
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elif self.model.currentCol >= self.model.scrollX + self.view.cols:
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self.model.scrollX = self.model.currentCol - self.view.cols + 1
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return True
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def render(self):
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"""Отрисовка текущего состояния"""
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self.view.screen.clear()
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# Отображение видимой части текста
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for i in range(self.view.lines - 1):
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if i + self.model.scrollY < len(self.model.displayBuffer):
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line = ''.join(self.model.displayBuffer[i + self.model.scrollY])
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if self.model.scrollX < len(line):
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self.view.SetString(i, 0, line[self.model.scrollX:self.model.scrollX + self.view.cols])
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else:
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self.view.SetString(i, 0, '')
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else:
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self.view.SetString(i, 0, '')
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# Отображение панели режима
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self.view.EditModeBar(self.model.currentLine, len(self.model.displayBuffer), self.model.file_path)
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# Установка курсора
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self.view.SetCursor(self.model.currentLine - self.model.scrollY, self.model.currentCol - self.model.scrollX)
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self.view.Refresh()
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