125 lines
4 KiB
C++
125 lines
4 KiB
C++
#include "settings.h"
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Settings *Settings::_instance = 0;
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Settings *Settings::getInstance() {
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if (_instance == 0) {
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_instance = new Settings();
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Q_CHECK_PTR(_instance);
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}
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return _instance;
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}
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void Settings::setPathMedia(QString path)
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{
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m_pathmedia = path;
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MediaLibrary::getInstance()->rescanMediaLibrary();
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m_layersNumber = 0;
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}
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Settings::Settings(QObject *parent) :
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QObject(parent)
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{
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// m_universe = new QSet<int>();
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// m_settings = new QList<dmxSetting>();
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readFile();
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}
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// Read the dmx settings for dmx.xml At the moment we need:
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// - The path to the medias folder tree
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// - The number of sources/layers controlled by DMX
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// - The first DMX channel of each source/layer
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// - The universe to bind in OLA
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void Settings::readFromFile(QString file) {
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QFile* xmlFile = new QFile(file);
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if (!xmlFile->open(QIODevice::ReadOnly | QIODevice::Text)) {
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QMessageBox::critical(NULL,"Load XML File Problem",
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QString("Couldn't open %1 to load settings").arg(file),
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QMessageBox::Ok);
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// Instead exit give the oportunity to load another file or define the settings
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qCritical("Load XML File Problem");
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exit(1);
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}
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QXmlStreamReader* xmlReader = new QXmlStreamReader(xmlFile);
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int counter = 0;
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//Parse the XML until we reach end of it
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while(!xmlReader->atEnd() && !xmlReader->hasError() && counter < LAYERS_NUMBER) {
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// Read next element
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QXmlStreamReader::TokenType token = xmlReader->readNext();
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//If token is just StartDocument - go to next
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if(token == QXmlStreamReader::StartDocument) {
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continue;
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}
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//If token is StartElement - read it
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if(token == QXmlStreamReader::StartElement) {
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if(xmlReader->name() == "dmxSettings") {
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int version = xmlReader->attributes().value("fileVersion").toLocal8Bit().toInt();
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if(version == 1) {
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m_layersNumber = xmlReader->attributes().value("layersNumber").toLocal8Bit().toInt();
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m_pathmedia = xmlReader->attributes().value("path").toLocal8Bit();
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continue;
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}
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}
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QString add = "layer";
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add.append(QString("%1").arg(counter));
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if((xmlReader->name() == add)) {
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dmxSetting temp;
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temp.address = xmlReader->attributes().value("dmx").toLocal8Bit().toInt() - 1;
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temp.universe = xmlReader->attributes().value("universe").toLocal8Bit().toInt();
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temp.layer = counter;
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m_settings.append(temp);
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if (!m_universe.contains(temp.universe)) {
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m_universe.insert(temp.universe);
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// emit registerUniverse(temp.universe);
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}
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}
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counter++;
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}
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}
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if(xmlReader->hasError()) {
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QMessageBox::critical(NULL,"File xml Parse Error ", xmlReader->errorString(), QMessageBox::Ok);
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}
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//close reader and flush file
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xmlReader->clear();
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xmlFile->close();
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delete xmlReader;
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delete xmlFile;
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}
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void Settings::readFile() {
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readFromFile(DEFAULT_FILE);
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}
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/*
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void Settings::writeFile(QString filename)
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{
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QFile* xmlFile = new QFile(filename);
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if (!xmlFile->open(QIODevice::ReadOnly | QIODevice::Text)) {
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QMessageBox::critical(NULL,"Load XML File Problem",
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QString("Couldn't open %1 to load settings for olaInterface").arg(file),
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QMessageBox::Ok);
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return;
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}
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QXmlStreamWriter* xmlWriter = new QXmlStreamWriter(xmlFile);
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QXmlStreamWriter stream(&output);
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stream.setAutoFormatting(true);
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stream.writeStartDocument();
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stream.writeStartElement("dmxSettings");
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stream.writeAttribute("href", "http://qt.nokia.com/");
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stream.writeTextElement("title", "Qt Home");
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stream.writeEndElement();
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stream.writeEndDocument();
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}
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void Settings::writeFile()
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{
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writeFile(DEFAULT_FILE);
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}
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*/
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