577 lines
22 KiB
C++
577 lines
22 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.com>
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*
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*/
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/*
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* Copyright (c) 2008 Sander Knopper (sander AT knopper DOT tk) and
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* Roeland Douma (roeland AT rullzer DOT com)
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*
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* This file is part of QtMPC.
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*
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* QtMPC 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 2 of the License, or
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* (at your option) any later version.
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*
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* QtMPC 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 QtMPC. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "musiclibraryitemroot.h"
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#include "musiclibraryitemartist.h"
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#include "musiclibraryitemalbum.h"
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#include "musiclibraryitemsong.h"
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#include "mpdparseutils.h"
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#include "mpdconnection.h"
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#include "song.h"
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#include "localize.h"
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#include <QtXml/QXmlStreamReader>
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#include <QtXml/QXmlStreamWriter>
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#include <QtCore/QFile>
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MusicLibraryItemArtist * MusicLibraryItemRoot::artist(const Song &s, bool create)
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{
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QString aa=songArtist(s);
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QHash<QString, int>::ConstIterator it=m_indexes.find(aa);
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if (m_indexes.end()==it) {
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return create ? createArtist(s) : 0;
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}
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return static_cast<MusicLibraryItemArtist *>(m_childItems.at(*it));
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}
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MusicLibraryItemArtist * MusicLibraryItemRoot::createArtist(const Song &s)
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{
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QString aa=songArtist(s);
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MusicLibraryItemArtist *item=new MusicLibraryItemArtist(aa, this);
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m_indexes.insert(aa, m_childItems.count());
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m_childItems.append(item);
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return item;
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}
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void MusicLibraryItemRoot::groupSingleTracks()
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{
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if (!supportsAlbumArtist) {
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return;
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}
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QList<MusicLibraryItem *>::iterator it=m_childItems.begin();
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MusicLibraryItemArtist *various=0;
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bool created=false;
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for (; it!=m_childItems.end(); ) {
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if (various!=(*it) && static_cast<MusicLibraryItemArtist *>(*it)->allSingleTrack()) {
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if (!various) {
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QString artist=i18n("Various Artists");
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QHash<QString, int>::ConstIterator it=m_indexes.find(artist);
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if (m_indexes.end()==it) {
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various=new MusicLibraryItemArtist(artist, this);
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created=true;
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} else {
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various=static_cast<MusicLibraryItemArtist *>(m_childItems.at(*it));
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}
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}
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various->addToSingleTracks(static_cast<MusicLibraryItemArtist *>(*it));
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delete (*it);
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it=m_childItems.erase(it);
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} else {
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++it;
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}
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}
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if (various) {
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m_indexes.clear();
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if (created) {
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m_childItems.append(various);
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}
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it=m_childItems.begin();
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QList<MusicLibraryItem *>::iterator end=m_childItems.end();
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for (int i=0; it!=end; ++it, ++i) {
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m_indexes.insert((*it)->data(), i);
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}
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}
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}
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void MusicLibraryItemRoot::groupMultipleArtists()
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{
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if (!supportsAlbumArtist) {
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return;
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}
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QList<MusicLibraryItem *>::iterator it=m_childItems.begin();
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MusicLibraryItemArtist *various=0;
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bool created=false;
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QString va=i18n("Various Artists");
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bool checkDiffVaString=va!=QLatin1String("Various Artists");
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// When grouping multiple artists - if 'Various Artists' is spelt different in curernt language, then we also need to place
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// items by 'Various Artists' into i18n('Various Artists')
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for (; it!=m_childItems.end(); ) {
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if (various!=(*it) && (!static_cast<MusicLibraryItemArtist *>(*it)->isVarious() ||
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(checkDiffVaString && static_cast<MusicLibraryItemArtist *>(*it)->isVarious() && va!=(*it)->data())) ) {
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QList<MusicLibraryItem *> mutipleAlbums=static_cast<MusicLibraryItemArtist *>(*it)->mutipleArtistAlbums();
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if (mutipleAlbums.count()) {
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if (!various) {
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QHash<QString, int>::ConstIterator it=m_indexes.find(va);
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if (m_indexes.end()==it) {
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various=new MusicLibraryItemArtist(va, this);
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created=true;
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} else {
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various=static_cast<MusicLibraryItemArtist *>(m_childItems.at(*it));
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}
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}
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foreach (MusicLibraryItem *i, mutipleAlbums) {
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i->setParent(various);
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static_cast<MusicLibraryItemAlbum *>(i)->setIsMultipleArtists();
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}
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if (0==(*it)->childCount()) {
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delete (*it);
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it=m_childItems.erase(it);
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continue;
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} else {
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static_cast<MusicLibraryItemArtist *>(*it)->updateIndexes();
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}
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}
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}
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++it;
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}
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if (various) {
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various->updateIndexes();
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m_indexes.clear();
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if (created) {
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m_childItems.append(various);
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}
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it=m_childItems.begin();
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QList<MusicLibraryItem *>::iterator end=m_childItems.end();
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for (int i=0; it!=end; ++it, ++i) {
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m_indexes.insert((*it)->data(), i);
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}
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}
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}
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bool MusicLibraryItemRoot::isFromSingleTracks(const Song &s) const
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{
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if (supportsAlbumArtist && !s.file.isEmpty()) {
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QHash<QString, int>::ConstIterator it=m_indexes.find(i18n("Various Artists"));
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if (m_indexes.end()!=it) {
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return static_cast<MusicLibraryItemArtist *>(m_childItems.at(*it))->isFromSingleTracks(s);
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}
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}
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return false;
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}
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void MusicLibraryItemRoot::refreshIndexes()
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{
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m_indexes.clear();
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int i=0;
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foreach (MusicLibraryItem *item, m_childItems) {
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m_indexes.insert(item->data(), i++);
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}
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}
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void MusicLibraryItemRoot::remove(MusicLibraryItemArtist *artist)
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{
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int index=m_childItems.indexOf(artist);
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if (index<0 || index>=m_childItems.count()) {
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return;
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}
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QHash<QString, int>::Iterator it=m_indexes.begin();
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QHash<QString, int>::Iterator end=m_indexes.end();
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for (; it!=end; ++it) {
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if ((*it)>index) {
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(*it)--;
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}
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}
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m_indexes.remove(artist->data());
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delete m_childItems.takeAt(index);
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}
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QSet<Song> MusicLibraryItemRoot::allSongs(bool revertVa) const
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{
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QSet<Song> songs;
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foreach (const MusicLibraryItem *artist, m_childItems) {
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foreach (const MusicLibraryItem *album, static_cast<const MusicLibraryItemContainer *>(artist)->childItems()) {
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foreach (const MusicLibraryItem *song, static_cast<const MusicLibraryItemContainer *>(album)->childItems()) {
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if (revertVa) {
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Song s=static_cast<const MusicLibraryItemSong *>(song)->song();
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s.revertVariousArtists();
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songs.insert(s);
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} else {
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songs.insert(static_cast<const MusicLibraryItemSong *>(song)->song());
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}
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}
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}
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}
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return songs;
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}
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void MusicLibraryItemRoot::getDetails(QSet<QString> &artists, QSet<QString> &albumArtists, QSet<QString> &albums, QSet<QString> &genres)
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{
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foreach (const MusicLibraryItem *artist, m_childItems) {
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foreach (const MusicLibraryItem *album, static_cast<const MusicLibraryItemContainer *>(artist)->childItems()) {
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foreach (const MusicLibraryItem *song, static_cast<const MusicLibraryItemContainer *>(album)->childItems()) {
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const Song &s=static_cast<const MusicLibraryItemSong *>(song)->song();
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artists.insert(s.artist);
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albumArtists.insert(s.albumArtist());
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albums.insert(s.album);
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if (!s.genre.isEmpty()) {
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genres.insert(s.genre);
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}
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}
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}
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}
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}
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void MusicLibraryItemRoot::updateSongFile(const Song &from, const Song &to)
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{
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MusicLibraryItemArtist *art=artist(from, false);
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if (art) {
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MusicLibraryItemAlbum *alb=art->album(from, false);
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if (alb) {
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foreach (MusicLibraryItem *song, alb->childItems()) {
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if (static_cast<MusicLibraryItemSong *>(song)->file()==from.file) {
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static_cast<MusicLibraryItemSong *>(song)->setFile(to.file);
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return;
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}
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}
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}
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}
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}
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static quint32 constVersion=8;
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static QLatin1String constTopTag("CantataLibrary");
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void MusicLibraryItemRoot::toXML(const QString &filename, const QDateTime &date) const
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{
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// If saving device cache, and we have NO items, then remove cache file...
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if (0==childCount() && date==QDateTime()) {
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if (QFile::exists(filename)) {
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QFile::remove(filename);
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}
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return;
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}
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QFile file(filename);
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if (!file.open(QIODevice::WriteOnly)) {
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return;
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}
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//Write the header info
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QByteArray data;
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QXmlStreamWriter writer(&data);
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toXML(writer, date);
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file.write(qCompress(data));
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file.close();
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}
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void MusicLibraryItemRoot::toXML(QXmlStreamWriter &writer, const QDateTime &date) const
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{
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writer.setAutoFormatting(true);
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writer.writeStartDocument();
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//Start with the document
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writer.writeStartElement(constTopTag);
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writer.writeAttribute("version", QString::number(constVersion));
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writer.writeAttribute("date", QString::number(date.toTime_t()));
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writer.writeAttribute("groupSingle", MPDParseUtils::groupSingle() ? "true" : "false");
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writer.writeAttribute("groupMultiple", MPDParseUtils::groupMultiple() ? "true" : "false");
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//Loop over all artist, albums and tracks.
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foreach (const MusicLibraryItem *a, childItems()) {
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const MusicLibraryItemArtist *artist = static_cast<const MusicLibraryItemArtist *>(a);
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writer.writeStartElement("Artist");
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writer.writeAttribute("name", artist->data());
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foreach (const MusicLibraryItem *al, artist->childItems()) {
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const MusicLibraryItemAlbum *album = static_cast<const MusicLibraryItemAlbum *>(al);
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QString albumGenre=!album->childItems().isEmpty() ? static_cast<const MusicLibraryItemSong *>(album->childItems().at(0))->song().genre : QString();
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writer.writeStartElement("Album");
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writer.writeAttribute("name", album->data());
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writer.writeAttribute("year", QString::number(album->year()));
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if (!albumGenre.isEmpty()) {
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writer.writeAttribute("genre", albumGenre);
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}
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if (album->isSingleTracks()) {
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writer.writeAttribute("singleTracks", "true");
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} else if (album->isMultipleArtists()) {
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writer.writeAttribute("multipleArtists", "true");
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}
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foreach (const MusicLibraryItem *t, album->childItems()) {
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const MusicLibraryItemSong *track = static_cast<const MusicLibraryItemSong *>(t);
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bool wroteArtist=false;
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writer.writeEmptyElement("Track");
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if (!track->song().title.isEmpty()) {
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writer.writeAttribute("name", track->song().title);
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}
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writer.writeAttribute("file", track->file());
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if (0!=track->time()) {
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writer.writeAttribute("time", QString::number(track->time()));
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}
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//Only write track number if it is set
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if (track->track() != 0) {
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writer.writeAttribute("track", QString::number(track->track()));
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}
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if (track->disc() != 0) {
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writer.writeAttribute("disc", QString::number(track->disc()));
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}
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if (!track->song().artist.isEmpty() && track->song().artist!=artist->data()) {
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writer.writeAttribute("artist", track->song().artist);
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wroteArtist=true;
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}
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if (!track->song().albumartist.isEmpty() && track->song().albumartist!=artist->data()) {
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writer.writeAttribute("albumartist", track->song().albumartist);
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}
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// writer.writeAttribute("id", QString::number(track->song().id));
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if (!track->song().genre.isEmpty() && track->song().genre!=albumGenre) {
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writer.writeAttribute("genre", track->song().genre);
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}
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if (album->isSingleTracks()) {
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writer.writeAttribute("album", track->song().album);
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} else if (!wroteArtist && album->isMultipleArtists() && !track->song().artist.isEmpty() && track->song().artist!=artist->data()) {
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writer.writeAttribute("artist", track->song().artist);
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}
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if (Song::Playlist==track->song().type) {
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writer.writeAttribute("playlist", "true");
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}
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if (track->song().year != album->year()) {
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writer.writeAttribute("year", QString::number(track->song().year));
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}
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}
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writer.writeEndElement();
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}
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writer.writeEndElement();
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}
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writer.writeEndElement();
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writer.writeEndDocument();
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}
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quint32 MusicLibraryItemRoot::fromXML(const QString &filename, const QDateTime &date, const QString &baseFolder)
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{
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QFile file(filename);
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if (!file.open(QIODevice::ReadOnly)) {
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return 0;
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}
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QByteArray data=file.readAll();
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data=qUncompress(data);
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QXmlStreamReader reader(data);
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quint32 rv=fromXML(reader, date, baseFolder);
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file.close();
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return rv;
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}
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quint32 MusicLibraryItemRoot::fromXML(QXmlStreamReader &reader, const QDateTime &date, const QString &baseFolder)
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{
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MusicLibraryItemArtist *artistItem = 0;
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MusicLibraryItemAlbum *albumItem = 0;
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MusicLibraryItemSong *songItem = 0;
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Song song;
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quint32 xmlDate=0;
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while (!reader.atEnd()) {
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reader.readNext();
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/**
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* TODO: CHECK FOR ERRORS
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*/
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if (!reader.error() && reader.isStartElement()) {
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QString element = reader.name().toString();
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QXmlStreamAttributes attributes=reader.attributes();
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if (constTopTag == element) {
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quint32 version = attributes.value("version").toString().toUInt();
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xmlDate = attributes.value("date").toString().toUInt();
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bool gs = QLatin1String("true")==attributes.value("groupSingle").toString();
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bool gm = QLatin1String("true")==attributes.value("groupMultiple").toString();
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if ( version < constVersion || (date.isValid() && xmlDate < date.toTime_t()) || gs!=MPDParseUtils::groupSingle() || gm!=MPDParseUtils::groupMultiple()) {
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return 0;
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}
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} else if (QLatin1String("Artist")==element) {
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song.type=Song::Standard;
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song.artist=song.albumartist=attributes.value("name").toString();
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artistItem = createArtist(song);
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} else if (QLatin1String("Album")==element) {
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song.album=attributes.value("name").toString();
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song.year=attributes.value("year").toString().toUInt();
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song.genre=attributes.value("genre").toString();
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if (!song.file.isEmpty()) {
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song.file.append("dummy.mp3");
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}
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albumItem = artistItem->createAlbum(song);
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if (QLatin1String("true")==attributes.value("singleTracks").toString()) {
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albumItem->setIsSingleTracks();
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song.type=Song::SingleTracks;
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} else if (QLatin1String("true")==attributes.value("multipleArtists").toString()) {
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albumItem->setIsMultipleArtists();
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song.type=Song::MultipleArtists;
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} else {
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song.type=Song::Standard;
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}
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} else if (QLatin1String("Track")==element) {
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song.title=attributes.value("name").toString();
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song.file=attributes.value("file").toString();
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if (QLatin1String("true")==attributes.value("playlist").toString()) {
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song.type=Song::Playlist;
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songItem = new MusicLibraryItemSong(song, albumItem);
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albumItem->append(songItem);
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song.type=Song::Standard;
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} else {
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if (!baseFolder.isEmpty() && song.file.startsWith(baseFolder)) {
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song.file=song.file.mid(baseFolder.length());
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}
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if (attributes.hasAttribute("genre")) {
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song.genre=attributes.value("genre").toString();
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}
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if (attributes.hasAttribute("artist")) {
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song.artist=attributes.value("artist").toString();
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} else {
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song.artist=artistItem->data();
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}
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if (attributes.hasAttribute("albumartist")) {
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song.albumartist=attributes.value("albumartist").toString();
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} else {
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song.albumartist=artistItem->data();
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}
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// Fix cache error - where MusicLibraryItemSong::data() was saved as name instead of song.name!!!!
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if (!song.albumartist.isEmpty() && !song.artist.isEmpty() && song.albumartist!=song.artist &&
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song.title.startsWith(song.artist+QLatin1String(" - "))) {
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song.title=song.title.mid(song.artist.length()+3);
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}
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QString str=attributes.value("track").toString();
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song.track=str.isEmpty() ? 0 : str.toUInt();
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str=attributes.value("disc").toString();
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song.disc=str.isEmpty() ? 0 : str.toUInt();
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str=attributes.value("time").toString();
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song.time=str.isEmpty() ? 0 : str.toUInt();
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str=attributes.value("year").toString();
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if (!str.isEmpty()) {
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song.year=str.toUInt();
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}
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// str=attributes.value("id").toString();
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// song.id=str.isEmpty() ? 0 : str.toUInt();
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if (albumItem->isSingleTracks()) {
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str=attributes.value("album").toString();
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if (!str.isEmpty()) {
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song.album=str;
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}
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} else if (albumItem->isMultipleArtists()) {
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str=attributes.value("artist").toString();
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if (!str.isEmpty()) {
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song.artist=str;
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}
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}
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song.fillEmptyFields();
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songItem = new MusicLibraryItemSong(song, albumItem);
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albumItem->append(songItem);
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albumItem->addGenre(song.genre);
|
|
artistItem->addGenre(song.genre);
|
|
addGenre(song.genre);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return xmlDate;
|
|
}
|
|
|
|
void MusicLibraryItemRoot::add(const QSet<Song> &songs)
|
|
{
|
|
MusicLibraryItemArtist *artistItem = 0;
|
|
MusicLibraryItemAlbum *albumItem = 0;
|
|
|
|
foreach (const Song &s, songs) {
|
|
if (s.isEmpty()) {
|
|
continue;
|
|
}
|
|
|
|
if (!artistItem || (supportsAlbumArtist ? s.albumArtist()!=artistItem->data() : s.album!=artistItem->data())) {
|
|
artistItem = artist(s);
|
|
}
|
|
if (!albumItem || albumItem->parentItem()!=artistItem || s.album!=albumItem->data()) {
|
|
albumItem = artistItem->album(s);
|
|
}
|
|
|
|
MusicLibraryItemSong *songItem = new MusicLibraryItemSong(s, albumItem);
|
|
albumItem->append(songItem);
|
|
albumItem->addGenre(s.genre);
|
|
artistItem->addGenre(s.genre);
|
|
addGenre(s.genre);
|
|
}
|
|
}
|
|
|
|
void MusicLibraryItemRoot::toggleGrouping()
|
|
{
|
|
// Grouping has changed, so we need to recreate whole structure from list of songs.
|
|
QSet<Song> songs=allSongs();
|
|
clearItems();
|
|
MusicLibraryItemArtist *artistItem = 0;
|
|
MusicLibraryItemAlbum *albumItem = 0;
|
|
MusicLibraryItemSong *songItem = 0;
|
|
|
|
foreach (Song currentSong, songs) {
|
|
if (Song::Standard!=currentSong.type && Song::Playlist!=currentSong.type) {
|
|
currentSong.type=MPDConnection::isPlaylist(currentSong.file) ? Song::Playlist : Song::Standard;
|
|
}
|
|
|
|
if (!artistItem || currentSong.albumArtist()!=artistItem->data()) {
|
|
artistItem = artist(currentSong);
|
|
}
|
|
if (!albumItem || currentSong.year!=albumItem->year() || albumItem->parentItem()!=artistItem || currentSong.album!=albumItem->data()) {
|
|
albumItem = artistItem->album(currentSong);
|
|
}
|
|
|
|
songItem = new MusicLibraryItemSong(currentSong, albumItem);
|
|
albumItem->append(songItem);
|
|
albumItem->addGenre(currentSong.genre);
|
|
artistItem->addGenre(currentSong.genre);
|
|
addGenre(currentSong.genre);
|
|
}
|
|
|
|
// Library rebuilt, now apply any grouping...
|
|
if (MPDParseUtils::groupSingle()) {
|
|
groupSingleTracks();
|
|
}
|
|
if (MPDParseUtils::groupMultiple()) {
|
|
groupMultipleArtists();
|
|
}
|
|
}
|
|
|
|
void MusicLibraryItemRoot::clearItems()
|
|
{
|
|
m_childItems.clear();
|
|
m_indexes.clear();
|
|
m_genres.clear();
|
|
qDeleteAll(m_childItems);
|
|
}
|
|
|
|
QString MusicLibraryItemRoot::songArtist(const Song &s)
|
|
{
|
|
if (!supportsAlbumArtist) {
|
|
return s.artist;
|
|
}
|
|
|
|
if (Song::Standard==s.type || (Song::Playlist==s.type && !s.albumArtist().isEmpty())) {
|
|
return s.albumArtist();
|
|
}
|
|
return i18n("Various Artists");
|
|
}
|