59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2020-2024, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry 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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* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <QObject>
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#include "playlist.h"
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#include "playlistundocommandremoveitems.h"
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PlaylistUndoCommandRemoveItems::PlaylistUndoCommandRemoveItems(Playlist *playlist, const int pos, const int count) : PlaylistUndoCommandBase(playlist) {
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setText(QObject::tr("remove %n songs", "", count));
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ranges_ << Range(pos, count);
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}
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void PlaylistUndoCommandRemoveItems::redo() {
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for (int i = 0; i < ranges_.count(); ++i) {
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ranges_[i].items_ = playlist_->RemoveItemsWithoutUndo(ranges_[i].pos_, ranges_[i].count_);
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}
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}
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void PlaylistUndoCommandRemoveItems::undo() {
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for (int i = static_cast<int>(ranges_.count() - 1); i >= 0; --i) {
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playlist_->InsertItemsWithoutUndo(ranges_[i].items_, ranges_[i].pos_);
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}
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}
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bool PlaylistUndoCommandRemoveItems::mergeWith(const QUndoCommand *other) {
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const PlaylistUndoCommandRemoveItems *remove_command = static_cast<const PlaylistUndoCommandRemoveItems*>(other);
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ranges_.append(remove_command->ranges_);
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int sum = 0;
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for (const Range &range : std::as_const(ranges_)) sum += range.count_;
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setText(QObject::tr("remove %n songs", "", sum));
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return true;
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}
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