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Pamhyr2/src/View/Ensembles/UndoCommand.py
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Python

# UndoCommand.py -- Pamhyr
# Copyright (C) 2023-2026 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,
)
from Model.Friction.Friction import Friction
from Model.Friction.FrictionList import FrictionList
class SetNameCommand(QUndoCommand):
def __init__(self, ensembles, index, new_value):
QUndoCommand.__init__(self)
self._ensembles = ensembles
self._index = index
self._old = self._ensembles.get(self._index).name
self._new = str(new_value)
def undo(self):
self._ensembles.get(self._index).name = self._old
def redo(self):
self._ensembles.get(self._index).name = self._new
class SetTypeCommand(QUndoCommand):
def __init__(self, ensembles, index, new_value):
QUndoCommand.__init__(self)
self._ensembles = ensembles
self._index = index
self._old = self._ensembles.get(self._index)\
.data_type
self._new = new_value
def undo(self):
self._ensembles.get(self._index).data_type = self._old
def redo(self):
self._ensembles.get(self._index).data_type = self._new
class SetDataCommand(QUndoCommand):
def __init__(self, ensembles, index, data):
QUndoCommand.__init__(self)
self._ensembles = ensembles
self._index = index
self._old = self._ensembles.get(self._index)\
.target_data
self._new = data
def undo(self):
self._ensembles.get(self._index).target_data = self._old
def redo(self):
self._ensembles.get(self._index).target_data = self._new
class SetDistributionCommand(QUndoCommand):
def __init__(self, ensembles, index, distribution):
QUndoCommand.__init__(self)
self._ensembles = ensembles
self._index = index
self._old = self._ensembles.get(self._index).distribution
self._old_params = self._ensembles.get(self._index).params
self._new = distribution
def undo(self):
self._ensembles.get(self._index).distribution = self._old
self._ensembles.get(self._index).params = self._old_params
def redo(self):
self._ensembles.get(self._index).distribution = self._new
if self._new is not None:
self._ensembles.get(self._index).params = self._new.default_values
class AddCommand(QUndoCommand):
def __init__(self, ensembles, index):
QUndoCommand.__init__(self)
self._ensembles = ensembles
self._index = index
self._new = None
def undo(self):
self._ensembles.delete_i([self._index])
def redo(self):
if self._new is None:
self._new = self._ensembles.new(self._index)
else:
self._ensembles.insert(self._index, self._new)
class DelCommand(QUndoCommand):
def __init__(self, ensembles, rows):
QUndoCommand.__init__(self)
self._ensembles = ensembles
self._rows = rows
self._friction = []
for row in rows:
self._friction.append((row, self._ensembles.get(row)))
self._friction.sort()
def undo(self):
for row, el in self._friction:
self._ensembles.insert(row, el)
def redo(self):
self._ensembles.delete_i(self._rows)
class SetAllCommand(QUndoCommand):
def __init__(self, ensemble, data):
QUndoCommand.__init__(self)
self._ensemble = ensemble
self._old = self._ensemble.get_data_dict()
self._new = data
def undo(self):
self._ensemble.set_data_dict(self._old)
def redo(self):
self._ensemble.set_data_dict(self._new)