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browsetablemodel.cpp
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browsetablemodel.cpp
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#include <QtSql>
#include <QStringList>
#include <QtConcurrentRun>
#include <QMetaType>
#include <QMessageBox>
#include <QUrl>
#include "library/browse/browsetablemodel.h"
#include "library/browse/browsethread.h"
#include "library/previewbuttondelegate.h"
#include "playerinfo.h"
#include "controlobject.h"
#include "library/dao/trackdao.h"
#include "metadata/trackmetadatataglib.h"
#include "util/dnd.h"
BrowseTableModel::BrowseTableModel(QObject* parent,
TrackCollection* pTrackCollection,
RecordingManager* pRecordingManager)
: TrackModel(pTrackCollection->getDatabase(),
"mixxx.db.model.browse"),
QStandardItemModel(parent),
m_pTrackCollection(pTrackCollection),
m_pRecordingManager(pRecordingManager),
m_previewDeckGroup(PlayerManager::groupForPreviewDeck(0)) {
QStringList header_data;
header_data.insert(COLUMN_PREVIEW, tr("Preview"));
header_data.insert(COLUMN_FILENAME, tr("Filename"));
header_data.insert(COLUMN_ARTIST, tr("Artist"));
header_data.insert(COLUMN_TITLE, tr("Title"));
header_data.insert(COLUMN_ALBUM, tr("Album"));
header_data.insert(COLUMN_TRACK_NUMBER, tr("Track #"));
header_data.insert(COLUMN_YEAR, tr("Year"));
header_data.insert(COLUMN_GENRE, tr("Genre"));
header_data.insert(COLUMN_COMPOSER, tr("Composer"));
header_data.insert(COLUMN_COMMENT, tr("Comment"));
header_data.insert(COLUMN_DURATION, tr("Duration"));
header_data.insert(COLUMN_BPM, tr("BPM"));
header_data.insert(COLUMN_KEY, tr("Key"));
header_data.insert(COLUMN_TYPE, tr("Type"));
header_data.insert(COLUMN_BITRATE, tr("Bitrate"));
header_data.insert(COLUMN_REPLAYGAIN, tr("Replay Gain"));
header_data.insert(COLUMN_LOCATION, tr("Location"));
header_data.insert(COLUMN_ALBUMARTIST, tr("Album Artist"));
header_data.insert(COLUMN_GROUPING, tr("Grouping"));
header_data.insert(COLUMN_FILE_MODIFIED_TIME, tr("File Modified"));
header_data.insert(COLUMN_FILE_CREATION_TIME, tr("File Created"));
addSearchColumn(COLUMN_FILENAME);
addSearchColumn(COLUMN_ARTIST);
addSearchColumn(COLUMN_ALBUM);
addSearchColumn(COLUMN_TITLE);
addSearchColumn(COLUMN_GENRE);
addSearchColumn(COLUMN_COMPOSER);
addSearchColumn(COLUMN_KEY);
addSearchColumn(COLUMN_COMMENT);
addSearchColumn(COLUMN_ALBUMARTIST);
addSearchColumn(COLUMN_GROUPING);
addSearchColumn(COLUMN_FILE_MODIFIED_TIME);
addSearchColumn(COLUMN_FILE_CREATION_TIME);
setDefaultSort(COLUMN_FILENAME, Qt::AscendingOrder);
setHorizontalHeaderLabels(header_data);
// register the QList<T> as a metatype since we use QueuedConnection below
qRegisterMetaType< QList< QList<QStandardItem*> > >(
"QList< QList<QStandardItem*> >");
qRegisterMetaType<BrowseTableModel*>("BrowseTableModel*");
m_pBrowseThread = BrowseThread::getInstanceRef();
connect(m_pBrowseThread.data(), SIGNAL(clearModel(BrowseTableModel*)),
this, SLOT(slotClear(BrowseTableModel*)),
Qt::QueuedConnection);
connect(m_pBrowseThread.data(),
SIGNAL(rowsAppended(const QList< QList<QStandardItem*> >&, BrowseTableModel*)),
this,
SLOT(slotInsert(const QList< QList<QStandardItem*> >&, BrowseTableModel*)),
Qt::QueuedConnection);
connect(&PlayerInfo::instance(), SIGNAL(trackLoaded(QString, TrackPointer)),
this, SLOT(trackLoaded(QString, TrackPointer)));
trackLoaded(m_previewDeckGroup, PlayerInfo::instance().getTrackInfo(m_previewDeckGroup));
}
BrowseTableModel::~BrowseTableModel() {
}
const QList<int>& BrowseTableModel::searchColumns() const {
return m_searchColumns;
}
void BrowseTableModel::addSearchColumn(int index) {
m_searchColumns.push_back(index);
}
void BrowseTableModel::setPath(const MDir& path) {
m_current_directory = path;
m_pBrowseThread->executePopulation(m_current_directory, this);
}
TrackPointer BrowseTableModel::getTrack(const QModelIndex& index) const {
QString track_location = getTrackLocation(index);
if (m_pRecordingManager->getRecordingLocation() == track_location) {
QMessageBox::critical(
0, tr("Mixxx Library"),
tr("Could not load the following file because"
" it is in use by Mixxx or another application.")
+ "\n" +track_location);
return TrackPointer();
}
return m_pTrackCollection->getTrackDAO()
.getOrAddTrack(track_location, true, NULL);
}
QString BrowseTableModel::getTrackLocation(const QModelIndex& index) const {
int row = index.row();
QModelIndex index2 = this->index(row, COLUMN_LOCATION);
return data(index2).toString();
}
TrackId BrowseTableModel::getTrackId(const QModelIndex& index) const {
Q_UNUSED(index);
// We can't implement this as it stands.
return TrackId();
}
const QLinkedList<int> BrowseTableModel::getTrackRows(TrackId trackId) const {
Q_UNUSED(trackId);
// We can't implement this as it stands.
return QLinkedList<int>();
}
void BrowseTableModel::search(const QString& searchText, const QString& extraFilter) {
Q_UNUSED(extraFilter);
Q_UNUSED(searchText);
}
const QString BrowseTableModel::currentSearch() const {
return QString("");
}
bool BrowseTableModel::isColumnInternal(int) {
return false;
}
bool BrowseTableModel::isColumnHiddenByDefault(int column) {
if (column == COLUMN_COMPOSER ||
column == COLUMN_TRACK_NUMBER ||
column == COLUMN_YEAR ||
column == COLUMN_GROUPING ||
column == COLUMN_LOCATION ||
column == COLUMN_ALBUMARTIST ||
column == COLUMN_FILE_CREATION_TIME ||
column == COLUMN_REPLAYGAIN) {
return true;
}
return false;
}
void BrowseTableModel::moveTrack(const QModelIndex&, const QModelIndex&) {
}
void BrowseTableModel::removeTrack(const QModelIndex& index) {
if (!index.isValid()) {
return;
}
QStringList trackLocations;
trackLocations.append(getTrackLocation(index));
removeTracks(trackLocations);
}
void BrowseTableModel::removeTracks(const QModelIndexList& indices) {
QStringList trackLocations;
foreach (QModelIndex index, indices) {
if (!index.isValid()) {
continue;
}
trackLocations.append(getTrackLocation(index));
}
removeTracks(trackLocations);
}
void BrowseTableModel::removeTracks(QStringList trackLocations) {
if (trackLocations.size() == 0)
return;
// Ask user if s/he is sure
if (QMessageBox::question(
NULL, tr("Mixxx Library"),
tr("Warning: This will permanently delete the following files:")
+ "\n" + trackLocations.join("\n") + "\n" +
tr("Are you sure you want to delete these files from your computer?"),
QMessageBox::Yes, QMessageBox::Abort) == QMessageBox::Abort) {
return;
}
QList<TrackId> deleted_ids;
bool any_deleted = false;
TrackDAO& track_dao = m_pTrackCollection->getTrackDAO();
foreach (QString track_location, trackLocations) {
// If track is in use or deletion fails, show an error message.
if (isTrackInUse(track_location) || !QFile::remove(track_location)) {
QMessageBox::critical(
0, tr("Mixxx Library"),
tr("Could not delete the following file because"
" it is in use by Mixxx or another application:") + "\n" +track_location);
continue;
}
qDebug() << "BrowseFeature: User deleted track " << track_location;
any_deleted = true;
deleted_ids.append(track_dao.getTrackId(track_location));
}
// If the tracks are contained in the Mixxx library, delete them
if (!deleted_ids.isEmpty()) {
qDebug() << "BrowseFeature: Purge affected track from database";
track_dao.purgeTracks(deleted_ids);
}
// Repopulate model if any tracks were actually deleted
if (any_deleted) {
m_pBrowseThread->executePopulation(m_current_directory,
this);
}
}
bool BrowseTableModel::addTrack(const QModelIndex& index, QString location) {
Q_UNUSED(index);
Q_UNUSED(location);
return false;
}
QMimeData* BrowseTableModel::mimeData(const QModelIndexList &indexes) const {
QMimeData *mimeData = new QMimeData();
QList<QUrl> urls;
// Ok, so the list of indexes we're given contains separates indexes for
// each column, so even if only one row is selected, we'll have like 7
// indexes. We need to only count each row once:
QList<int> rows;
foreach (QModelIndex index, indexes) {
if (index.isValid()) {
if (!rows.contains(index.row())) {
rows.push_back(index.row());
QUrl url = DragAndDropHelper::urlFromLocation(getTrackLocation(index));
if (!url.isValid()) {
qDebug() << "ERROR invalid url" << url;
continue;
}
urls.append(url);
}
}
}
mimeData->setUrls(urls);
return mimeData;
}
void BrowseTableModel::slotClear(BrowseTableModel* caller_object) {
if (caller_object == this) {
removeRows(0, rowCount());
}
}
void BrowseTableModel::slotInsert(const QList< QList<QStandardItem*> >& rows,
BrowseTableModel* caller_object) {
// There exists more than one BrowseTableModel in Mixxx We only want to
// receive items here, this object has 'ordered' by the BrowserThread
// (singleton)
if (caller_object == this) {
//qDebug() << "BrowseTableModel::slotInsert";
for (int i = 0; i < rows.size(); ++i) {
appendRow(rows.at(i));
}
}
}
TrackModel::CapabilitiesFlags BrowseTableModel::getCapabilities() const {
// See src/library/trackmodel.h for the list of TRACKMODELCAPS
return TRACKMODELCAPS_NONE
| TRACKMODELCAPS_ADDTOPLAYLIST
| TRACKMODELCAPS_ADDTOCRATE
| TRACKMODELCAPS_ADDTOAUTODJ
| TRACKMODELCAPS_LOADTODECK
| TRACKMODELCAPS_LOADTOPREVIEWDECK
| TRACKMODELCAPS_LOADTOSAMPLER;
}
Qt::ItemFlags BrowseTableModel::flags(const QModelIndex &index) const {
Qt::ItemFlags defaultFlags = QAbstractItemModel::flags(index);
// Enable dragging songs from this data model to elsewhere (like the
// waveform widget to load a track into a Player).
defaultFlags |= Qt::ItemIsDragEnabled;
QString track_location = getTrackLocation(index);
int column = index.column();
if (isTrackInUse(track_location) ||
column == COLUMN_FILENAME ||
column == COLUMN_BITRATE ||
column == COLUMN_DURATION ||
column == COLUMN_TYPE ||
column == COLUMN_FILE_MODIFIED_TIME ||
column == COLUMN_FILE_CREATION_TIME ||
column == COLUMN_REPLAYGAIN) {
return defaultFlags;
} else {
return defaultFlags | Qt::ItemIsEditable;
}
}
bool BrowseTableModel::isTrackInUse(const QString& track_location) const {
if (PlayerInfo::instance().isFileLoaded(track_location)) {
return true;
}
if (m_pRecordingManager->getRecordingLocation() == track_location) {
return true;
}
return false;
}
bool BrowseTableModel::setData(const QModelIndex &index, const QVariant &value,
int role) {
Q_UNUSED(role);
if (!index.isValid()) {
return false;
}
qDebug() << "BrowseTableModel::setData(" << index.data() << ")";
int row = index.row();
int col = index.column();
Mixxx::TrackMetadata trackMetadata;
// set tagger information
trackMetadata.setArtist(this->index(row, COLUMN_ARTIST).data().toString());
trackMetadata.setTitle(this->index(row, COLUMN_TITLE).data().toString());
trackMetadata.setAlbum(this->index(row, COLUMN_ALBUM).data().toString());
trackMetadata.setKey(this->index(row, COLUMN_KEY).data().toString());
trackMetadata.setBpm(this->index(row, COLUMN_BPM).data().toDouble());
trackMetadata.setComment(this->index(row, COLUMN_COMMENT).data().toString());
trackMetadata.setTrackNumber(this->index(row, COLUMN_TRACK_NUMBER).data().toString());
trackMetadata.setYear(this->index(row, COLUMN_YEAR).data().toString());
trackMetadata.setGenre(this->index(row, COLUMN_GENRE).data().toString());
trackMetadata.setComposer(this->index(row, COLUMN_COMPOSER).data().toString());
trackMetadata.setAlbumArtist(this->index(row, COLUMN_ALBUMARTIST).data().toString());
trackMetadata.setGrouping(this->index(row, COLUMN_GROUPING).data().toString());
// check if one the item were edited
if (col == COLUMN_ARTIST) {
trackMetadata.setArtist(value.toString());
} else if (col == COLUMN_TITLE) {
trackMetadata.setTitle(value.toString());
} else if (col == COLUMN_ALBUM) {
trackMetadata.setAlbum(value.toString());
} else if (col == COLUMN_BPM) {
trackMetadata.setBpm(value.toDouble());
} else if (col == COLUMN_KEY) {
trackMetadata.setKey(value.toString());
} else if (col == COLUMN_TRACK_NUMBER) {
trackMetadata.setTrackNumber(value.toString());
} else if (col == COLUMN_COMMENT) {
trackMetadata.setComment(value.toString());
} else if (col == COLUMN_GENRE) {
trackMetadata.setGenre(value.toString());
} else if (col == COLUMN_COMPOSER) {
trackMetadata.setComposer(value.toString());
} else if (col == COLUMN_YEAR) {
trackMetadata.setYear(value.toString());
} else if (col == COLUMN_ALBUMARTIST) {
trackMetadata.setAlbumArtist(value.toString());
} else if (col == COLUMN_GROUPING) {
trackMetadata.setGrouping(value.toString());
} else {
qWarning() << "BrowseTableModel::setData(): no tagger column";
return false;
}
QStandardItem* item = itemFromIndex(index);
QString track_location(getTrackLocation(index));
if (OK == writeTrackMetadataIntoFile(trackMetadata, track_location)) {
// Modify underlying interalPointer object
item->setText(value.toString());
item->setToolTip(item->text());
return true;
} else {
// reset to old value in error
item->setText(index.data().toString());
item->setToolTip(item->text());
QMessageBox::critical(
0, tr("Mixxx Library"),
tr("Could not update file metadata.")
+ "\n" +track_location);
return false;
}
}
void BrowseTableModel::trackLoaded(QString group, TrackPointer pTrack) {
if (group == m_previewDeckGroup) {
for (int row = 0; row < rowCount(); ++row) {
QModelIndex i = index(row, COLUMN_PREVIEW);
if (i.data().toBool()) {
QStandardItem* item = itemFromIndex(i);
item->setText("0");
}
}
if (pTrack) {
for (int row = 0; row < rowCount(); ++row) {
QModelIndex i = index(row, COLUMN_PREVIEW);
QString location = index(row, COLUMN_LOCATION).data().toString();
if (location == pTrack->getLocation()) {
QStandardItem* item = itemFromIndex(i);
item->setText("1");
break;
}
}
}
}
}
bool BrowseTableModel::isColumnSortable(int column) {
if (COLUMN_PREVIEW == column) {
return false;
}
return true;
}
QAbstractItemDelegate* BrowseTableModel::delegateForColumn(const int i, QObject* pParent) {
if (PlayerManager::numPreviewDecks() > 0 && i == COLUMN_PREVIEW) {
return new PreviewButtonDelegate(pParent, i);
}
return NULL;
}