90 lines
1.6 KiB
C++
90 lines
1.6 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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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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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "undocommand.h"
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#include "core.h"
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namespace olive {
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void MultiUndoCommand::redo()
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{
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for (auto it=children_.cbegin(); it!=children_.cend(); it++) {
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(*it)->redo_and_set_modified();
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}
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}
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void MultiUndoCommand::undo()
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{
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for (auto it=children_.crbegin(); it!=children_.crend(); it++) {
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(*it)->undo_and_set_modified();
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}
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}
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UndoCommand::UndoCommand()
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{
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prepared_ = false;
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done_ = false;
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}
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void UndoCommand::redo_and_set_modified()
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{
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project_ = GetRelevantProject();
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redo_now();
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if (project_) {
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modified_ = project_->is_modified();
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project_->set_modified(true);
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}
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}
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void UndoCommand::undo_and_set_modified()
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{
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undo_now();
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if (project_) {
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project_->set_modified(modified_);
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}
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}
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void UndoCommand::redo_now()
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{
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if (!done_) {
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if (!prepared_) {
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prepare();
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prepared_ = true;
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}
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redo();
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done_ = true;
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}
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}
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void UndoCommand::undo_now()
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{
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if (done_) {
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undo();
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done_ = false;
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}
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}
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}
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