148 lines
3.9 KiB
C++
148 lines
3.9 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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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 "config.h"
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#include <utility>
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#include <QtGlobal>
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#include <QList>
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#include <QUndoStack>
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#include "playlist.h"
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#include "playlistitem.h"
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#include "playlistundocommands.h"
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namespace PlaylistUndoCommands {
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Base::Base(Playlist *playlist) : QUndoCommand(nullptr), playlist_(playlist) {}
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InsertItems::InsertItems(Playlist *playlist, const PlaylistItemPtrList &items, int pos, bool enqueue, bool enqueue_next)
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: Base(playlist),
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items_(items),
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pos_(pos),
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enqueue_(enqueue),
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enqueue_next_(enqueue_next) {
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setText(tr("add %n songs", "", static_cast<int>(items_.count())));
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}
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void InsertItems::redo() {
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playlist_->InsertItemsWithoutUndo(items_, pos_, enqueue_, enqueue_next_);
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}
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void InsertItems::undo() {
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const int start = pos_ == -1 ? static_cast<int>(playlist_->rowCount() - items_.count()) : pos_;
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playlist_->RemoveItemsWithoutUndo(start, static_cast<int>(items_.count()));
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}
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bool InsertItems::UpdateItem(const PlaylistItemPtr &updated_item) {
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for (int i = 0; i < items_.size(); i++) {
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PlaylistItemPtr item = items_[i];
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if (item->Metadata().url() == updated_item->Metadata().url()) {
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items_[i] = updated_item;
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return true;
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}
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}
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return false;
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}
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RemoveItems::RemoveItems(Playlist *playlist, int pos, int count) : Base(playlist) {
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setText(tr("remove %n songs", "", count));
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ranges_ << Range(pos, count);
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}
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void RemoveItems::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 RemoveItems::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 RemoveItems::mergeWith(const QUndoCommand *other) {
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const RemoveItems *remove_command = static_cast<const RemoveItems*>(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(tr("remove %n songs", "", sum));
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return true;
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}
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MoveItems::MoveItems(Playlist *playlist, const QList<int> &source_rows, int pos)
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: Base(playlist),
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source_rows_(source_rows),
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pos_(pos) {
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setText(tr("move %n songs", "", static_cast<int>(source_rows.count())));
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}
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void MoveItems::redo() {
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playlist_->MoveItemsWithoutUndo(source_rows_, pos_);
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}
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void MoveItems::undo() {
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playlist_->MoveItemsWithoutUndo(pos_, source_rows_);
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}
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ReOrderItems::ReOrderItems(Playlist *playlist, const PlaylistItemPtrList &new_items)
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: Base(playlist), old_items_(playlist->items_), new_items_(new_items) {}
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void ReOrderItems::undo() { playlist_->ReOrderWithoutUndo(old_items_); }
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void ReOrderItems::redo() { playlist_->ReOrderWithoutUndo(new_items_); }
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SortItems::SortItems(Playlist *playlist, int column, Qt::SortOrder order, const PlaylistItemPtrList &new_items)
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: ReOrderItems(playlist, new_items) {
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Q_UNUSED(column);
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Q_UNUSED(order);
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setText(tr("sort songs"));
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}
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ShuffleItems::ShuffleItems(Playlist *playlist, const PlaylistItemPtrList &new_items)
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: ReOrderItems(playlist, new_items) {
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setText(tr("shuffle songs"));
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}
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} // namespace PlaylistUndoCommands
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