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Pierre-Antoine Rouby authoredb04f28b0
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# UndoCommand.py -- Pamhyr
# Copyright (C) 2023 INRAE
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# -*- coding: utf-8 -*-
from copy import deepcopy
from tools import trace, timer
from PyQt5.QtWidgets import (
QMessageBox, QUndoCommand, QUndoStack,
)
class SetNameCommand(QUndoCommand):
def __init__(self, hs, index, new_value):
QUndoCommand.__init__(self)
self._hs = hs
self._index = index
self._old = self._hs.basic_structure(self._index).name
self._new = str(new_value)
def undo(self):
self._hs.basic_structure(self._index).name = self._old
def redo(self):
self._hs.basic_structure(self._index).name = self._new
class SetTypeCommand(QUndoCommand):
def __init__(self, hs, index, new_type):
QUndoCommand.__init__(self)
self._hs = hs
self._index = index
self._type = new_type
self._old = self._hs.basic_structure(self._index)
self._new = self._hs.basic_structure(self._index)\
.convert(self._type)
def undo(self):
self._hs.delete_i([self._index])
self._hs.insert(self._index, self._old)
def redo(self):
self._hs.delete_i([self._index])
self._hs.insert(self._index, self._new)
class SetEnabledCommand(QUndoCommand):
def __init__(self, hs, index, enabled):
QUndoCommand.__init__(self)
self._hs = hs
self._index = index
self._old = not enabled
self._new = enabled
def undo(self):
self._hs.basic_structure(self._index).enabled = self._old
def redo(self):
self._hs.basic_structure(self._index).enabled = self._new
class AddCommand(QUndoCommand):
def __init__(self, hs, index):
QUndoCommand.__init__(self)
self._hs = hs
self._index = index
self._new = None
def undo(self):
self._hs.delete_i([self._index])
def redo(self):
if self._new is None:
self._new = self._hs.add(self._index)
else:
self._hs.insert(self._index, self._new)
class DelCommand(QUndoCommand):
def __init__(self, hs, rows):
QUndoCommand.__init__(self)
self._hs = hs
self._rows = rows
self._bhs = []
for row in rows:
self._bhs.append((row, self._hs.basic_structure(row)))
def undo(self):
for row, el in self._bhs:
self._hs.insert(row, el)
def redo(self):
self._hs.delete_i(self._rows)
class PasteCommand(QUndoCommand):
def __init__(self, hs, row, h_s):
QUndoCommand.__init__(self)
self._hs = hs
self._row = row
self._bhs = deepcopy(h_s)
self._bhs.reverse()
def undo(self):
self._hs.delete_i(range(self._row, self._row + len(self._bhs))
)
def redo(self):
for r in self._bhs:
self._hs.insert(self._row, r)