mirror of https://gitlab.com/pamhyr/pamhyr2
85 lines
2.2 KiB
Python
85 lines
2.2 KiB
Python
# UndoCommand.py -- Pamhyr
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# Copyright (C) 2024 INRAE
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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 General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# -*- coding: utf-8 -*-
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from tools import trace, timer
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from PyQt5.QtWidgets import (
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QMessageBox, QUndoCommand, QUndoStack,
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)
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class SetCommand(QUndoCommand):
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def __init__(self, add_file, **kwargs):
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QUndoCommand.__init__(self)
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self._add_file = add_file
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self._new = kwargs
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self._old = None
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def undo(self):
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f = self._add_file
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for key in self._old:
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f[key] = self._old[key]
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def redo(self):
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f = self._add_file
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if self._old is None:
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self._old = {}
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for key in self._new:
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self._old[key] = f[key]
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for key in self._new:
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f[key] = self._new[key]
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class AddCommand(QUndoCommand):
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def __init__(self, files, row):
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QUndoCommand.__init__(self)
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self._files = files
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self._row = row
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self._new = None
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def undo(self):
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self._files.delete([self._new])
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def redo(self):
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if self._new is None:
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self._new = self._files.new(self._row)
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else:
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self._files.undelete([self._new])
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# self._files.insert(self._row, self._new)
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class DelCommand(QUndoCommand):
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def __init__(self, files, row):
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QUndoCommand.__init__(self)
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self._files = files
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self._row = row
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self._old = self._files.get(row)
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def undo(self):
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self._files.undelete([self._old])
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# self._files.insert(self._row, self._old)
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def redo(self):
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self._files.delete_i([self._row])
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