mirror of https://gitlab.com/pamhyr/pamhyr2
116 lines
3.2 KiB
Python
116 lines
3.2 KiB
Python
# UndoCommand.py -- Pamhyr
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# Copyright (C) 2023-2025 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 copy import deepcopy
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from tools import trace, timer
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from PyQt5.QtWidgets import (
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QUndoCommand, QUndoStack,
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)
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class AddScenariosCommand(QUndoCommand):
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def __init__(self, study, pos):
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QUndoCommand.__init__(self)
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self._study = study
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self._pos = pos
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self._new = None
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def undo(self):
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self._study.scenarios.delete(self._new.id)
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self._study.reload_from_scenario(self._new.parent)
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def redo(self):
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if self._new is None:
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self._new = self._study.new_scenario_from_current()
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self._new.set_pos(self._pos.x(), self._pos.y())
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else:
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self._new.set_as_not_deleted()
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self._study.reload_from_scenario(self._new)
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class SelectScenariosCommand(QUndoCommand):
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def __init__(self, study, new):
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QUndoCommand.__init__(self)
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self._study = study
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self._old = study.status.scenario
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self._new = new
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def undo(self):
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self._study.reload_from_scenario(self._old)
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def redo(self):
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self._study.reload_from_scenario(self._new)
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class DeleteScenariosCommand(QUndoCommand):
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def __init__(self, study, scenario):
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QUndoCommand.__init__(self)
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self._study = study
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self._scenario = scenario
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self._reload = study.status.scenario == scenario
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def undo(self):
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self._scenario.set_as_not_deleted()
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if self._reload:
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self._study.reload_from_scenario(self._scenario)
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def redo(self):
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if self._reload:
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self._study.reload_from_scenario(self._scenario.parent)
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self._scenario.set_as_deleted()
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class DuplicateScenariosCommand(QUndoCommand):
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def __init__(self, study):
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QUndoCommand.__init__(self)
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self._study = study
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self._new = None
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def undo(self):
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self._study.scenarios.delete(self._new.id)
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self._study.reload_from_scenario(self._new.parent)
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def redo(self):
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if self._new is None:
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self._new = self._study.duplicate_current_scenario()
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else:
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self._new.set_as_not_deleted()
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self._study.reload_from_scenario(self._new)
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class SetCommand(QUndoCommand):
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def __init__(self, scenario, column, new_value):
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QUndoCommand.__init__(self)
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self._el = scenario
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self._column = column
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self._old = self._el[self._column]
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self._new = new_value
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def undo(self):
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self._el[self._column] = self._old
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def redo(self):
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self._el[self._column] = self._new
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