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#include "library/export/dlglibraryexport.h"
#include <QFileDialog>
#include <QFormLayout>
#include <QGridLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QStandardPaths>
#include <djinterop/djinterop.hpp>
#include <string>
#include "library/export/engineprimeexportrequest.h"
#include "library/trackcollection.h"
#include "library/trackcollectionmanager.h"
#include "library/trackset/crate/crateid.h"
#include "library/trackset/crate/cratestorage.h"
namespace el = djinterop::enginelibrary;
namespace mixxx {
namespace {
const QString kDefaultMixxxExportDirName = QStringLiteral("mixxx-export");
void populateCrates(
QListWidget& listWidget,
const TrackCollection& trackCollection) {
// Populate list of crates.
CrateSelectResult crates = trackCollection.crates().selectCrates();
Crate crate;
while (crates.populateNext(&crate)) {
auto pItem = std::make_unique<QListWidgetItem>(crate.getName());
pItem->setData(Qt::UserRole, crate.getId().value());
listWidget.addItem(pItem.release());
}
}
} // namespace
DlgLibraryExport::DlgLibraryExport(
QWidget* parent,
UserSettingsPointer pConfig,
TrackCollectionManager* pTrackCollectionManager)
: QDialog(parent),
m_pConfig{pConfig},
m_pTrackCollectionManager{pTrackCollectionManager} {
// Selectable list of crates from the Mixxx library.
m_pCratesList = make_parented<QListWidget>();
m_pCratesList->setSelectionMode(QListWidget::ExtendedSelection);
populateCrates(*m_pCratesList, *m_pTrackCollectionManager->internalCollection());
// Read-only text fields showing key directories for export.
m_pBaseDirectoryTextField = make_parented<QLineEdit>();
m_pBaseDirectoryTextField->setReadOnly(true);
m_pDatabaseDirectoryTextField = make_parented<QLineEdit>();
m_pDatabaseDirectoryTextField->setReadOnly(true);
m_pMusicDirectoryTextField = make_parented<QLineEdit>();
m_pMusicDirectoryTextField->setReadOnly(true);
// Drop-down for choosing exported database version.
m_pVersionCombo = make_parented<QComboBox>();
int versionIndex = 0;
for (const djinterop::semantic_version& version : el::all_versions) {
std::string label = el::version_name(version);
m_pVersionCombo->insertItem(
0, QString::fromStdString(label), QVariant{versionIndex});
if (version == el::version_latest_firmware) {
// Latest firmware version is the default selection.
m_pVersionCombo->setCurrentIndex(0);
}
++versionIndex;
}
// Radio buttons to allow choice between exporting the whole music library
// or just tracks in a selection of crates.
m_pWholeLibraryRadio = make_parented<QRadioButton>(tr("Entire music library"));
m_pWholeLibraryRadio->setChecked(true);
m_pCratesList->setEnabled(false);
connect(m_pWholeLibraryRadio,
&QRadioButton::clicked,
this,
[this]() { m_pCratesList->setEnabled(false); });
m_pCratesRadio = make_parented<QRadioButton>(tr("Selected crates"));
connect(m_pCratesRadio,
&QRadioButton::clicked,
this,
[this]() { m_pCratesList->setEnabled(true); });
// Button to allow ability to browse for the export directory.
auto pExportDirBrowseButton = make_parented<QPushButton>(tr("Browse"));
connect(pExportDirBrowseButton,
&QPushButton::clicked,
this,
&DlgLibraryExport::browseExportDirectory);
auto pExportDirLayout = make_parented<QHBoxLayout>();
pExportDirLayout->addWidget(m_pBaseDirectoryTextField);
pExportDirLayout->addWidget(pExportDirBrowseButton);
auto pFormLayout = make_parented<QFormLayout>();
pFormLayout->addRow(tr("Base export directory"), pExportDirLayout);
pFormLayout->addRow(tr("Database version"), m_pVersionCombo);
pFormLayout->addRow(tr("Engine Prime database export directory"),
m_pDatabaseDirectoryTextField);
pFormLayout->addRow(tr("Copy music files to"), m_pMusicDirectoryTextField);
// Buttons to begin the export or cancel.
auto pExportButton = make_parented<QPushButton>(tr("Export"));
pExportButton->setDefault(true);
connect(pExportButton, &QPushButton::clicked, this, &DlgLibraryExport::exportRequested);
auto pCancelButton = make_parented<QPushButton>(tr("Cancel"));
connect(pCancelButton, &QPushButton::clicked, this, &QDialog::reject);
// Arrange action buttons at bottom of dialog.
auto pButtonBarLayout = make_parented<QHBoxLayout>();
pButtonBarLayout->addStretch(1);
pButtonBarLayout->addWidget(pExportButton);
pButtonBarLayout->addWidget(pCancelButton);
auto pLayout = make_parented<QGridLayout>();
pLayout->setColumnStretch(0, 1);
pLayout->setColumnStretch(1, 2);
pLayout->addWidget(m_pWholeLibraryRadio, 0, 0);
pLayout->addWidget(m_pCratesRadio, 1, 0);
pLayout->addWidget(m_pCratesList, 2, 0);
pLayout->addLayout(pFormLayout, 0, 1, 3, 1);
pLayout->addLayout(pButtonBarLayout, 3, 0, 1, 2);
setLayout(pLayout);
setWindowTitle(tr("Export Library to Engine Prime"));
show();
raise();
activateWindow();
}
void DlgLibraryExport::setSelectedCrate(std::optional<CrateId> crateId) {
if (!crateId) {
m_pWholeLibraryRadio->setChecked(true);
m_pCratesList->setEnabled(false);
return;
}
m_pCratesRadio->setChecked(true);
m_pCratesList->setEnabled(true);
for (auto i = 0; i < m_pCratesList->count(); ++i) {
auto* pItem = m_pCratesList->item(i);
auto currCrateId = pItem->data(Qt::UserRole).toInt();
if (currCrateId == crateId->value()) {
m_pCratesList->setCurrentItem(pItem);
return;
}
}
}
void DlgLibraryExport::browseExportDirectory() {
QString lastExportDirectory =
m_pConfig->getValue(ConfigKey("[Library]", "LastLibraryExportDirectory"),
QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation));
auto baseDirectory =
QFileDialog::getExistingDirectory(nullptr, tr("Export Library To"), lastExportDirectory);
if (baseDirectory.isEmpty()) {
return;
}
m_pConfig->set(
ConfigKey("[Library]", "LastLibraryExportDirectory"), ConfigValue(baseDirectory));
QDir baseExportDirectory{baseDirectory};
auto databaseDirectory = baseExportDirectory.filePath(
el::default_database_dir_name);
auto musicDirectory = baseExportDirectory.filePath(kDefaultMixxxExportDirName);
m_pBaseDirectoryTextField->setText(baseDirectory);
m_pDatabaseDirectoryTextField->setText(databaseDirectory);
m_pMusicDirectoryTextField->setText(musicDirectory);
}
void DlgLibraryExport::exportRequested() {
// Check a base export directory has been chosen
if (m_pBaseDirectoryTextField->text() == "") {
QMessageBox::information(this,
tr("No Export Directory Chosen"),
tr("No export directory was chosen. Please choose a directory "
"in order to export the music library."),
QMessageBox::Ok,
QMessageBox::Ok);
return;
}
// See if an EL DB exists in the chosen dir already, and ask the user for
// confirmation before proceeding if so.
if (el::database_exists(m_pDatabaseDirectoryTextField->text().toStdString())) {
int ret = QMessageBox::question(
this,
tr("Merge Into Existing Library?"),
tr("There is already an existing library in directory ") +
m_pDatabaseDirectoryTextField->text() +
tr("\nIf you proceed, the Mixxx library will be merged into "
"this existing library. Do you want to merge into the "
"the existing library?"),
QMessageBox::Yes | QMessageBox::Cancel,
QMessageBox::Cancel);
if (ret != QMessageBox::Yes) {
return;
}
}
// Work out what version was requested.
int versionIndex = m_pVersionCombo->currentData().toInt();
djinterop::semantic_version exportVersion = el::all_versions[versionIndex];
// Construct a request to export the library/crates.
// Assumed to always be an Engine Prime export in this iteration of the
// dialog.
EnginePrimeExportRequest request;
request.engineLibraryDbDir = QDir{m_pDatabaseDirectoryTextField->text()};
request.musicFilesDir = QDir{m_pMusicDirectoryTextField->text()};
request.exportVersion = exportVersion;
request.exportSelectedCrates = m_pCratesList->isEnabled();
if (request.exportSelectedCrates) {
for (auto* pItem : m_pCratesList->selectedItems()) {
CrateId id{pItem->data(Qt::UserRole).value<int>()};
request.crateIdsToExport.insert(id);
}
}
emit startEnginePrimeExport(std::move(request));
accept();
}
} // namespace mixxx
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