src/gui/importschedulewidget.cpp

   1 #include "importschedulewidget.h"
   2
   3 #include <schedulexmlparser.h>
   4
   5 #include <QDir>
   6 #include <QFile>
   7 #include <QFileDialog>
   8 #include <QNetworkProxy>
   9 #include <QNetworkAccessManager>
  10 #include <QNetworkReply>
  11 #include <QDebug>
  12
  13 const QString SCHEDULE_URL = "http://fosdem.org/2010/schedule/xml";
  14
  15 ImportScheduleWidget::ImportScheduleWidget(QWidget *aParent)
  16     : QWidget(aParent)
  17 {
  18     setupUi(this);
  19
  20     mXmlParser = new ScheduleXmlParser(this);
  21     connect(mXmlParser, SIGNAL(progressStatus(int)), SLOT(showParsingProgress(int)));
  22     connect(mXmlParser, SIGNAL(parsingSchedule(const QString &)), SLOT(parsingSchedule(const QString &)));
  23
  24     connect(browse, SIGNAL(clicked()), SLOT(browseSchedule()));
  25     progressBar->hide();
  26
  27     cancel->hide();
  28     importAction->hide();
  29     connect(online, SIGNAL(clicked()), SLOT(downloadSchedule()));
  30
  31     mNetworkAccessManager = new QNetworkAccessManager(this);
  32     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkQueryFinished(QNetworkReply*)));
  33     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
  34 }
  35
  36 ImportScheduleWidget::~ImportScheduleWidget()
  37 {
  38     if(mXmlParser)
  39     {
  40         delete mXmlParser;
  41         mXmlParser = NULL;
  42     }
  43     if(mNetworkAccessManager)
  44     {
  45         delete mNetworkAccessManager;
  46         mNetworkAccessManager = NULL;
  47     }
  48 }
  49
  50 void ImportScheduleWidget::parsingSchedule(const QString &aTitle)
  51 {
  52     importScheduleLabel->setText("Importing: " + aTitle);
  53 }
  54
  55 void ImportScheduleWidget::showParsingProgress(int progress)
  56 {
  57     progressBar->setValue(progress);
  58 }
  59
  60 void ImportScheduleWidget::browseSchedule()
  61 {
  62     QString scheduleFileName = QFileDialog::getOpenFileName(this, tr("Select Conference Schedule"), QDir::homePath(), tr("Schedule Files (*.xml)"));
  63     if(QFile::exists(scheduleFileName))
  64     {
  65         QFile file(scheduleFileName);
  66         if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
  67         {
  68             qDebug() << "can't open " << file.fileName();
  69             return;
  70         }
  71
  72         importData(file.readAll());
  73
  74     }
  75     else
  76     {
  77         progressBar->hide();
  78     }
  79 }
  80
  81 void ImportScheduleWidget::networkQueryFinished(QNetworkReply *aReply)
  82 {
  83     qDebug() << "ImportScheduleWidget::networkQueryFinished()";
  84
  85     if ( aReply->error() != QNetworkReply::NoError )
  86     {
  87         qDebug() << "Error occured during download: " << aReply->errorString();
  88     }
  89     else
  90     {
  91         importData(aReply->readAll());
  92     }
  93 }
  94
  95 void ImportScheduleWidget::downloadSchedule()
  96 {
  97     qDebug() << "downloading schedule";
  98
  99     QNetworkRequest request;
 100     request.setUrl(QUrl(SCHEDULE_URL));
 101     mNetworkAccessManager->get(request);
 102 }
 103
 104 void ImportScheduleWidget::importData(const QByteArray &aData)
 105 {
 106     browse->hide();
 107     online->hide();
 108     progressBar->show();
 109
 110     int confId = mXmlParser->parseData(aData);
 111
 112     progressBar->hide();
 113     browse->show();
 114     online->show();
 115     importScheduleLabel->setText("Import schedule: ");
 116
 117     emit(scheduleImported(confId));
 118 }
 119