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96 lines
2.6 KiB
96 lines
2.6 KiB
import abc
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import subprocess
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from modules.util import process_reaper
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from .core import AbstractControl, action
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__all__ = ['ToggleControl', 'CommandToggleControl']
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class ToggleControl(AbstractControl, metaclass=abc.ABCMeta):
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"""
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Implements a simple toggle button
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The toggle button will show a text in upper or lower case, depending on the activation state of the button.
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A click on the button toggles the button by calling toggle()
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"""
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def __init__(self, letter: str, initial_state: bool = False):
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"""
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:param letter: The text to show on the toggle control. Will be upper- or lowercased when the button is activated or deactivated.
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:param initial_state: The initial state of the button (used only when there is no saved data yet)
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"""
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super().__init__()
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self.__letter = letter
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self.__state = initial_state
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def dump_state(self):
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return {'state': self.__state}
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def load_state(self, state):
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if 'state' in state:
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self.state = state['state']
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def toggle(self):
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"""
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Called when the button is clicked.
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"""
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self.state = not self.state
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@property
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def state(self) -> bool:
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"""
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:return: The current toggle state of the button
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"""
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return self.__state
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@state.setter
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def state(self, state: bool):
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"""
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Updates state and triggers enable() or disable() methods when state changed
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"""
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if self.__state == state:
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return
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if state:
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self.enable()
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else:
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self.disable()
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self.__state = state
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def enable(self):
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"""
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Called when the toggle button is enabled
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"""
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pass
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def disable(self):
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"""
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Called when the toggle button is disabled
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"""
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pass
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def respond_to(self, command):
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if command == ':toggle':
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self.toggle()
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return True
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def __str__(self):
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return action(
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self.create_pipe_command(':toggle'),
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self.__letter.upper() if self.state else self.__letter.lower()
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)
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class CommandToggleControl(ToggleControl):
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def __init__(self, letter: str, enable_command: list, disable_command: list, initial_state: bool = False):
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super().__init__(letter, initial_state)
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self.__enable_command = enable_command
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self.__disable_command = disable_command
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def enable(self):
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subprocess.call(self.__enable_command)
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def disable(self):
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subprocess.call(self.__disable_command)
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