bool MeteorShowersMgr::loadCatalog(const QString& jsonPath)
{
qDebug() << "MeteorShowersMgr: Loading catalog file:"
<< QDir::toNativeSeparators(jsonPath);
QFile jsonFile(jsonPath);
if (!jsonFile.exists())
{
restoreDefaultCatalog(jsonPath);
}
if (!jsonFile.open(QIODevice::ReadOnly))
{
qWarning() << "MeteorShowersMgr: Cannot to open the catalog file!";
return false;
}
QJsonObject json(QJsonDocument::fromJson(jsonFile.readAll()).object());
jsonFile.close();
if (json["shortName"].toString() != "meteor showers data"
|| json["version"].toInt() != MS_CATALOG_VERSION)
{
qWarning() << "MeteorShowersMgr: The current catalog is not compatible!";
return false;
}
QVariantMap map = json["showers"].toObject().toVariantMap();
m_meteorShowers->loadMeteorShowers(map);
return true;
}
void MeteorShowersMgr::restoreDefaultSettings()
{
qDebug() << "MeteorShowersMgr: Restoring default settings";
m_conf->beginGroup(MS_CONFIG_PREFIX);
m_conf->remove("");
m_conf->endGroup();
loadConfig();
restoreDefaultCatalog(m_catalogPath);
m_configDialog->init();
}
void MeteorShowersMgr::init()
{
loadTextures();
m_meteorShowers = new MeteorShowers(this);
m_configDialog = new MSConfigDialog(this);
m_searchDialog = new MSSearchDialog(this);
createActions();
loadConfig();
// timer to hide the alert messages
m_messageTimer = new QTimer(this);
m_messageTimer->setSingleShot(true);
m_messageTimer->setInterval(9000);
m_messageTimer->stop();
connect(m_messageTimer, SIGNAL(timeout()), this, SLOT(messageTimeout()));
// MeteorShowers directory
QString userDir = StelFileMgr::getUserDir() + "/modules/MeteorShowers";
StelFileMgr::makeSureDirExistsAndIsWritable(userDir);
// Loads the JSON catalog
m_catalogPath = userDir + "/showers.json";
if (!loadCatalog(m_catalogPath))
{
displayMessage(q_("The current catalog of Meteor Showers is invalid!"), "#bb0000");
restoreDefaultCatalog(m_catalogPath);
}
// Sets up the download manager
m_downloadMgr = new QNetworkAccessManager(this);
connect(m_downloadMgr, SIGNAL(finished(QNetworkReply*)), this, SLOT(updateFinished(QNetworkReply*)));
// every 5 min, check if it's time to update
QTimer* updateTimer = new QTimer(this);
updateTimer->setInterval(300000);
connect(updateTimer, SIGNAL(timeout()), this, SLOT(checkForUpdates()));
updateTimer->start();
checkForUpdates();
// always check if we are on Earth
StelCore* core = StelApp::getInstance().getCore();
m_onEarth = core->getCurrentPlanet().data()->getEnglishName() == "Earth";
connect(core, SIGNAL(locationChanged(StelLocation)),
this, SLOT(locationChanged(StelLocation)));
// enable at startup?
setEnablePlugin(getEnableAtStartup());
}
void Satellites::init()
{
QSettings* conf = StelApp::getInstance().getSettings();
try
{
// TODO: Compatibility with installation-dir modules? --BM
// It seems that the original code couldn't handle them either.
QString dirPath = StelFileMgr::getUserDir() + "/modules/Satellites";
// TODO: Ideally, this should return a QDir object
StelFileMgr::makeSureDirExistsAndIsWritable(dirPath);
dataDir.setPath(dirPath);
// If no settings in the main config file, create with defaults
if (!conf->childGroups().contains("Satellites"))
{
//qDebug() << "Stellites: created section in config file.";
restoreDefaultSettings();
}
// populate settings from main config file.
loadSettings();
// absolute file name for inner catalog of the satellites
catalogPath = dataDir.absoluteFilePath("satellites.json");
// absolute file name for qs.mag file
qsMagFilePath = dataDir.absoluteFilePath("qs.mag");
// Load and find resources used in the plugin
texPointer = StelApp::getInstance().getTextureManager().createTexture(StelFileMgr::getInstallationDir()+"/textures/pointeur5.png");
Satellite::hintTexture = StelApp::getInstance().getTextureManager().createTexture(":/satellites/hint.png");
// key bindings and other actions
StelGui* gui = dynamic_cast<StelGui*>(StelApp::getInstance().getGui());
QString satGroup = N_("Satellites");
addAction("actionShow_Satellite_Hints", satGroup, N_("Satellite hints"), "hintsVisible", "Ctrl+Z");
addAction("actionShow_Satellite_Labels", satGroup, N_("Satellite labels"), "labelsVisible", "Shift+Z");
addAction("actionShow_Satellite_ConfigDialog_Global", satGroup, N_("Satellites configuration window"), configDialog, "visible", "Alt+Z");
// Gui toolbar button
toolbarButton = new StelButton(NULL,
QPixmap(":/satellites/bt_satellites_on.png"),
QPixmap(":/satellites/bt_satellites_off.png"),
QPixmap(":/graphicGui/glow32x32.png"),
"actionShow_Satellite_Hints");
gui->getButtonBar()->addButton(toolbarButton, "065-pluginsGroup");
}
catch (std::runtime_error &e)
{
qWarning() << "Satellites::init error: " << e.what();
return;
}
// A timer for hiding alert messages
messageTimer = new QTimer(this);
messageTimer->setSingleShot(true); // recurring check for update
messageTimer->setInterval(9000); // 6 seconds should be enough time
messageTimer->stop();
connect(messageTimer, SIGNAL(timeout()), this, SLOT(hideMessages()));
// If the json file does not already exist, create it from the resource in the QT resource
if(QFileInfo(catalogPath).exists())
{
if (!checkJsonFileFormat() || readCatalogVersion() != SATELLITES_PLUGIN_VERSION)
{
displayMessage(q_("The old satellites.json file is no longer compatible - using default file"), "#bb0000");
restoreDefaultCatalog();
}
}
else
{
qDebug() << "Satellites::init satellites.json does not exist - copying default file to " << QDir::toNativeSeparators(catalogPath);
restoreDefaultCatalog();
}
if(!QFileInfo(qsMagFilePath).exists())
{
restoreDefaultQSMagFile();
}
qDebug() << "Satellites: loading catalog file:" << QDir::toNativeSeparators(catalogPath);
// create satellites according to content os satellites.json file
loadCatalog();
// Set up download manager and the update schedule
downloadMgr = new QNetworkAccessManager(this);
connect(downloadMgr, SIGNAL(finished(QNetworkReply*)),
this, SLOT(saveDownloadedUpdate(QNetworkReply*)));
updateState = CompleteNoUpdates;
updateTimer = new QTimer(this);
updateTimer->setSingleShot(false); // recurring check for update
updateTimer->setInterval(13000); // check once every 13 seconds to see if it is time for an update
connect(updateTimer, SIGNAL(timeout()), this, SLOT(checkForUpdate()));
updateTimer->start();
earth = GETSTELMODULE(SolarSystem)->getEarth();
GETSTELMODULE(StelObjectMgr)->registerStelObjectMgr(this);
// Handle changes to the observer location:
connect(StelApp::getInstance().getCore(),
SIGNAL(locationChanged(StelLocation)),
this,
SLOT(updateObserverLocation(StelLocation)));
}
