37 lines
895 B
Python
37 lines
895 B
Python
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# Copyright: Ankitects Pty Ltd and contributors
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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from __future__ import annotations
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import enum
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from aqt import AnkiQt
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class Change(enum.Enum):
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NO_CHANGE = 0
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BASIC_CHANGE = 1
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SCHEMA_CHANGE = 2
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class ChangeTracker:
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_changed = Change.NO_CHANGE
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def __init__(self, mw: AnkiQt):
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self.mw = mw
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def mark_basic(self):
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if self._changed == Change.NO_CHANGE:
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self._changed = Change.BASIC_CHANGE
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def mark_schema(self) -> bool:
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"If false, processing should be aborted."
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if self._changed != Change.SCHEMA_CHANGE:
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if not self.mw.confirm_schema_modification():
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return False
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self._changed = Change.SCHEMA_CHANGE
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return True
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def changed(self) -> bool:
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return self._changed != Change.NO_CHANGE
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