97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
/* This file is part of Clementine.
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Clementine 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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Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "playlistundocommands.h"
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#include "playlist.h"
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namespace PlaylistUndoCommands {
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Base::Base(Playlist *playlist)
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: QUndoCommand(0),
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playlist_(playlist)
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{
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}
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InsertItems::InsertItems(Playlist *playlist, const PlaylistItemList &items, int pos)
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: Base(playlist),
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items_(items),
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pos_(pos)
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{
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setText(tr("add %n songs", "", items_.count()));
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}
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void InsertItems::redo() {
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playlist_->InsertItemsWithoutUndo(items_, pos_);
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}
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void InsertItems::undo() {
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const int start = pos_ == -1 ?
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playlist_->rowCount() - items_.count() : pos_;
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playlist_->RemoveItemsWithoutUndo(start, items_.count());
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}
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RemoveItems::RemoveItems(Playlist *playlist, int pos, int count)
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: Base(playlist)
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{
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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(
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ranges_[i].pos_, ranges_[i].count_);
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}
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void RemoveItems::undo() {
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for (int i=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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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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foreach (const Range& range, ranges_)
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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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{
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setText(tr("move songs", "", 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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} // namespace
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