64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
# Copyright 2015 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from abc import ABC, abstractmethod
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import logging
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log = logging.getLogger("subiquitycore.controller")
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def view(func):
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n = func.__name__
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def f(self, *args, **kw):
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m = getattr(self, n)
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self.view_stack.append((m, args, kw))
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return func(self, *args, **kw)
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return f
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class BaseController(ABC):
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"""Base class for controllers."""
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signals = []
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def __init__(self, common):
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self.ui = common['ui']
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self.signal = common['signal']
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self.opts = common['opts']
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self.loop = common['loop']
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self.prober = common['prober']
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self.controllers = common['controllers']
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self.view_stack = []
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def register_signals(self):
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"""Defines signals associated with controller from model."""
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signals = []
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for sig, cb in self.signals:
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signals.append((sig, getattr(self, cb)))
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self.signal.connect_signals(signals)
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def prev_view(self):
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self.view_stack.pop()
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meth, args, kw = self.view_stack.pop()
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meth(*args, **kw)
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@abstractmethod
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def cancel(self):
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pass
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@abstractmethod
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def default(self):
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pass
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