Clementine-audio-player-Mac.../src/playlist/playlistundocommands.cpp

115 lines
3.7 KiB
C++

/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "playlistundocommands.h"
#include "playlist.h"
namespace PlaylistUndoCommands {
Base::Base(Playlist* playlist) : QUndoCommand(0), playlist_(playlist) {}
InsertItems::InsertItems(Playlist* playlist, const PlaylistItemList& items,
int pos, bool enqueue, bool enqueue_next)
: Base(playlist),
items_(items),
pos_(pos),
enqueue_(enqueue),
enqueue_next_(enqueue_next) {
setText(tr("add %n songs", "", items_.count()));
}
void InsertItems::redo() {
playlist_->InsertItemsWithoutUndo(items_, pos_, enqueue_, enqueue_next_);
}
void InsertItems::undo() {
const int start = pos_ == -1 ? playlist_->rowCount() - items_.count() : pos_;
playlist_->RemoveItemsWithoutUndo(start, items_.count());
}
bool InsertItems::UpdateItem(const PlaylistItemPtr& updated_item) {
for (int i = 0; i < items_.size(); i++) {
PlaylistItemPtr item = items_[i];
if (item->Metadata().url() == updated_item->Metadata().url()) {
items_[i] = updated_item;
return true;
}
}
return false;
}
RemoveItems::RemoveItems(Playlist* playlist, int pos, int count)
: Base(playlist) {
setText(tr("remove %n songs", "", count));
ranges_ << Range(pos, count);
}
void RemoveItems::redo() {
for (int i = 0; i < ranges_.count(); ++i)
ranges_[i].items_ =
playlist_->RemoveItemsWithoutUndo(ranges_[i].pos_, ranges_[i].count_);
}
void RemoveItems::undo() {
for (int i = ranges_.count() - 1; i >= 0; --i)
playlist_->InsertItemsWithoutUndo(ranges_[i].items_, ranges_[i].pos_);
}
bool RemoveItems::mergeWith(const QUndoCommand* other) {
const RemoveItems* remove_command = static_cast<const RemoveItems*>(other);
ranges_.append(remove_command->ranges_);
int sum = 0;
for (const Range& range : ranges_) sum += range.count_;
setText(tr("remove %n songs", "", sum));
return true;
}
MoveItems::MoveItems(Playlist* playlist, const QList<int>& source_rows, int pos)
: Base(playlist), source_rows_(source_rows), pos_(pos) {
setText(tr("move %n songs", "", source_rows.count()));
}
void MoveItems::redo() { playlist_->MoveItemsWithoutUndo(source_rows_, pos_); }
void MoveItems::undo() { playlist_->MoveItemsWithoutUndo(pos_, source_rows_); }
ReOrderItems::ReOrderItems(Playlist* playlist,
const PlaylistItemList& new_items)
: Base(playlist), old_items_(playlist->items_), new_items_(new_items) {}
void ReOrderItems::undo() { playlist_->ReOrderWithoutUndo(old_items_); }
void ReOrderItems::redo() { playlist_->ReOrderWithoutUndo(new_items_); }
SortItems::SortItems(Playlist* playlist, int column, Qt::SortOrder order,
const PlaylistItemList& new_items)
: ReOrderItems(playlist, new_items), column_(column), order_(order) {
setText(tr("sort songs"));
}
ShuffleItems::ShuffleItems(Playlist* playlist,
const PlaylistItemList& new_items)
: ReOrderItems(playlist, new_items) {
setText(tr("shuffle songs"));
}
} // namespace PlaylistUndoCommands