void MainWindow::deleteAlbum()
{
QModelIndexList selection = albumView->selectionModel()->selectedRows(0);
if (!selection.empty()) {
QModelIndex idIndex = selection.at(0);
int id = idIndex.data().toInt();
QString title = idIndex.sibling(idIndex.row(), 1).data().toString();
QString artist = idIndex.sibling(idIndex.row(), 2).data().toString();
QMessageBox::StandardButton button;
button = QMessageBox::question(this, tr("Delete Album"),
tr("Are you sure you want to "
"delete '%1' by '%2'?")
.arg(title, artist),
QMessageBox::Yes | QMessageBox::No);
if (button == QMessageBox::Yes) {
removeAlbumFromFile(id);
removeAlbumFromDatabase(idIndex);
decreaseAlbumCount(indexOfArtist(artist));
showImageLabel();
}
} else {
QMessageBox::information(this, tr("Delete Album"),
tr("Select the album you want to delete."));
}
}
void MainWindow::changeArtist(int row)
{
if (row > 0) {
QModelIndex index = model->relationModel(2)->index(row, 1);
model->setFilter("artist = '" + index.data().toString() + '\'') ;
showArtistProfile(index);
} else if (row == 0) {
model->setFilter(QString());
showImageLabel();
} else {
return;
}
}
void MainWindow::decreaseAlbumCount(QModelIndex artistIndex)
{
int row = artistIndex.row();
QModelIndex albumCountIndex = artistIndex.sibling(row, 2);
int albumCount = albumCountIndex.data().toInt();
QSqlTableModel *artists = model->relationModel(2);
if (albumCount == 1) {
artists->removeRow(row);
showImageLabel();
} else {
artists->setData(albumCountIndex, QVariant(albumCount - 1));
}
}
MainWindow::MainWindow(const QString &artistTable, const QString &albumTable,
QFile *albumDetails, QWidget *parent)
: QMainWindow(parent)
{
file = albumDetails;
readAlbumData();
model = new QSqlRelationalTableModel(this);
model->setTable(albumTable);
model->setRelation(2, QSqlRelation(artistTable, "id", "artist"));
model->select();
QGroupBox *artists = createArtistGroupBox();
QGroupBox *albums = createAlbumGroupBox();
QGroupBox *details = createDetailsGroupBox();
artistView->setCurrentIndex(0);
uniqueAlbumId = model->rowCount();
uniqueArtistId = artistView->count();
connect(model, SIGNAL(rowsInserted(QModelIndex,int,int)),
this, SLOT(updateHeader(QModelIndex,int,int)));
connect(model, SIGNAL(rowsRemoved(QModelIndex,int,int)),
this, SLOT(updateHeader(QModelIndex,int,int)));
QGridLayout *layout = new QGridLayout;
layout->addWidget(artists, 0, 0);
layout->addWidget(albums, 1, 0);
layout->addWidget(details, 0, 1, 2, 1);
#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5)
layout->setColumnStretch(1, 1);
layout->setColumnMinimumWidth(0, 500);
#endif
QWidget *widget = new QWidget;
widget->setLayout(layout);
setCentralWidget(widget);
createMenuBar();
showImageLabel();
#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5)
resize(850, 400);
#endif
setWindowTitle(tr("Music Archive"));
}
