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#include "mixer/samplerbank.h"
#include <QFileDialog>
#include <QMessageBox>
#include "control/controlpushbutton.h"
#include "mixer/playermanager.h"
#include "mixer/sampler.h"
#include "moc_samplerbank.cpp"
#include "track/track.h"
#include "util/assert.h"
SamplerBank::SamplerBank(PlayerManager* pPlayerManager)
: QObject(pPlayerManager),
m_pPlayerManager(pPlayerManager) {
DEBUG_ASSERT(m_pPlayerManager);
m_pCOLoadBank = std::make_unique<ControlPushButton>(ConfigKey("[Sampler]", "LoadSamplerBank"), this);
connect(m_pCOLoadBank.get(),
&ControlObject::valueChanged,
this,
&SamplerBank::slotLoadSamplerBank);
m_pCOSaveBank = std::make_unique<ControlPushButton>(ConfigKey("[Sampler]", "SaveSamplerBank"), this);
connect(m_pCOSaveBank.get(),
&ControlObject::valueChanged,
this,
&SamplerBank::slotSaveSamplerBank);
m_pCONumSamplers = new ControlProxy(ConfigKey("[Master]", "num_samplers"), this);
}
SamplerBank::~SamplerBank() {
}
void SamplerBank::slotSaveSamplerBank(double v) {
if (v <= 0.0) {
return;
}
const QString xmlSuffix = QStringLiteral(".xml");
QString fileFilter = tr("Mixxx Sampler Banks (*%1)").arg(xmlSuffix);
QString samplerBankPath = QFileDialog::getSaveFileName(nullptr,
tr("Save Sampler Bank"),
QString(),
fileFilter,
&fileFilter);
if (samplerBankPath.isNull() || samplerBankPath.isEmpty()) {
return;
}
// Manually add extension due to bug in QFileDialog
// via https://bugreports.qt-project.org/browse/QTBUG-27186
QFileInfo fileName(samplerBankPath);
if (fileName.suffix().isEmpty() || !fileName.suffix().endsWith(xmlSuffix)) {
samplerBankPath.append(xmlSuffix);
}
if (!saveSamplerBankToPath(samplerBankPath)) {
QMessageBox::warning(nullptr,
tr("Error Saving Sampler Bank"),
tr("Could not write the sampler bank to '%1'.")
.arg(samplerBankPath));
}
}
bool SamplerBank::saveSamplerBankToPath(const QString& samplerBankPath) {
// The user has picked a new directory via a file dialog. This means the
// system sandboxer (if we are sandboxed) has granted us permission to this
// folder. We don't need access to this file on a regular basis so we do not
// register a security bookmark.
VERIFY_OR_DEBUG_ASSERT(m_pPlayerManager) {
qWarning() << "SamplerBank::saveSamplerBankToPath called with no PlayerManager";
return false;
}
QFile file(samplerBankPath);
if (!file.open(QIODevice::WriteOnly)) {
qWarning() << "Error saving sampler bank: Could not write to file"
<< samplerBankPath;
return false;
}
QDomDocument doc("SamplerBank");
QDomElement root = doc.createElement("samplerbank");
doc.appendChild(root);
for (unsigned int i = 0; i < m_pPlayerManager->numSamplers(); ++i) {
Sampler* pSampler = m_pPlayerManager->getSampler(i + 1);
if (!pSampler) {
continue;
}
QDomElement samplerNode = doc.createElement(QString("sampler"));
samplerNode.setAttribute("group", pSampler->getGroup());
TrackPointer pTrack = pSampler->getLoadedTrack();
if (pTrack) {
QString samplerLocation = pTrack->getLocation();
samplerNode.setAttribute("location", samplerLocation);
}
root.appendChild(samplerNode);
}
QString docStr = doc.toString();
file.write(docStr.toUtf8().constData());
file.close();
return true;
}
void SamplerBank::slotLoadSamplerBank(double v) {
if (v <= 0.0) {
return;
}
QString samplerBankPath = QFileDialog::getOpenFileName(nullptr,
tr("Load Sampler Bank"),
QString(),
tr("Mixxx Sampler Banks (*.xml)"));
if (samplerBankPath.isEmpty()) {
return;
}
if (!loadSamplerBankFromPath(samplerBankPath)) {
QMessageBox::warning(nullptr,
tr("Error Reading Sampler Bank"),
tr("Could not open the sampler bank file '%1'.")
.arg(samplerBankPath));
}
}
bool SamplerBank::loadSamplerBankFromPath(const QString& samplerBankPath) {
// The user has picked a new directory via a file dialog. This means the
// system sandboxer (if we are sandboxed) has granted us permission to this
// folder. We don't need access to this file on a regular basis so we do not
// register a security bookmark.
VERIFY_OR_DEBUG_ASSERT(m_pPlayerManager) {
qWarning() << "SamplerBank::loadSamplerBankFromPath called with no PlayerManager";
return false;
}
QFile file(samplerBankPath);
if (!file.open(QIODevice::ReadOnly)) {
qWarning() << "Could not read sampler bank file" << samplerBankPath;
return false;
}
QDomDocument doc;
if (!doc.setContent(file.readAll())) {
qWarning() << "Could not read sampler bank file" << samplerBankPath;
return false;
}
QDomElement root = doc.documentElement();
if (root.tagName() != "samplerbank") {
qWarning() << "Could not read sampler bank file" << samplerBankPath;
return false;
}
QDomNode n = root.firstChild();
while (!n.isNull()) {
QDomElement e = n.toElement();
if (!e.isNull()) {
if (e.tagName() == "sampler") {
QString group = e.attribute("group", "");
QString location = e.attribute("location", "");
int samplerNum;
if (!group.isEmpty()
&& m_pPlayerManager->isSamplerGroup(group, &samplerNum)) {
if (m_pPlayerManager->numSamplers() < (unsigned) samplerNum) {
m_pCONumSamplers->set(samplerNum);
}
if (location.isEmpty()) {
m_pPlayerManager->slotLoadTrackToPlayer(TrackPointer(), group);
} else {
m_pPlayerManager->slotLoadToPlayer(location, group);
}
}
}
}
n = n.nextSibling();
}
file.close();
return true;
}
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