src/gui/importschedulewidget.cpp

   1 /*
   2  * Copyright (C) 2010 Ixonos Plc.
   3  *
   4  * This file is part of fosdem-schedule.
   5  *
   6  * fosdem-schedule is free software: you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation, either version 2 of the License, or (at your option)
   9  * any later version.
  10  *
  11  * fosdem-schedule is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * fosdem-schedule.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #include "importschedulewidget.h"
  20
  21 #include <schedulexmlparser.h>
  22
  23 #include <QDir>
  24 #include <QFile>
  25 #include <QFileDialog>
  26 #include <QNetworkProxy>
  27 #include <QNetworkAccessManager>
  28 #include <QNetworkReply>
  29 #include <QDebug>
  30 #include <appsettings.h>
  31
  32 const QString SCHEDULE_URL = "http://fosdem.org/2010/schedule/xml";
  33
  34 const QString PROXY_USERNAME;
  35 const QString PROXY_PASSWD;
  36
  37 ImportScheduleWidget::ImportScheduleWidget(QWidget *aParent)
  38     : QWidget(aParent)
  39 {
  40     setupUi(this);
  41
  42     mXmlParser = new ScheduleXmlParser(this);
  43     connect(mXmlParser, SIGNAL(progressStatus(int)), SLOT(showParsingProgress(int)));
  44     connect(mXmlParser, SIGNAL(parsingSchedule(const QString &)), SLOT(parsingSchedule(const QString &)));
  45
  46     connect(browse, SIGNAL(clicked()), SLOT(browseSchedule()));
  47     progressBar->hide();
  48
  49     cancel->hide();
  50     connect(online, SIGNAL(clicked()), SLOT(downloadSchedule()));
  51
  52     mNetworkAccessManager = new QNetworkAccessManager(this);
  53     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkQueryFinished(QNetworkReply*)));
  54     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
  55 }
  56
  57 ImportScheduleWidget::~ImportScheduleWidget()
  58 {
  59     if(mXmlParser)
  60     {
  61         delete mXmlParser;
  62         mXmlParser = NULL;
  63     }
  64     if(mNetworkAccessManager)
  65     {
  66         delete mNetworkAccessManager;
  67         mNetworkAccessManager = NULL;
  68     }
  69 }
  70
  71 void ImportScheduleWidget::parsingSchedule(const QString &aTitle)
  72 {
  73     importScheduleLabel->setText("Importing: " + aTitle);
  74 }
  75
  76 void ImportScheduleWidget::showParsingProgress(int progress)
  77 {
  78     progressBar->setValue(progress);
  79 }
  80
  81 void ImportScheduleWidget::browseSchedule()
  82 {
  83     QString scheduleFileName = QFileDialog::getOpenFileName(this, tr("Select Conference Schedule"), QDir::homePath(), tr("Schedule Files (*.xml)"));
  84     if(QFile::exists(scheduleFileName))
  85     {
  86         QFile file(scheduleFileName);
  87         if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
  88         {
  89             qDebug() << "can't open " << file.fileName();
  90             return;
  91         }
  92
  93         importData(file.readAll());
  94
  95     }
  96     else
  97     {
  98         progressBar->hide();
  99     }
 100 }
 101
 102 void ImportScheduleWidget::networkQueryFinished(QNetworkReply *aReply)
 103 {
 104     if ( aReply->error() != QNetworkReply::NoError )
 105     {
 106         qDebug() << "Error occured during download: " << aReply->errorString();
 107     }
 108     else
 109     {
 110         importData(aReply->readAll());
 111     }
 112 }
 113
 114 void ImportScheduleWidget::downloadSchedule()
 115 {
 116     QNetworkRequest request;
 117     request.setUrl(QUrl(SCHEDULE_URL));
 118
 119     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 120     mNetworkAccessManager->get(request);
 121 }
 122
 123 void ImportScheduleWidget::importData(const QByteArray &aData)
 124 {
 125     browse->hide();
 126     online->hide();
 127     progressBar->show();
 128     // proxySettings->hide();
 129
 130     int confId = mXmlParser->parseData(aData);
 131
 132     progressBar->hide();
 133     browse->show();
 134     online->show();
 135     // proxySettings->show();
 136     importScheduleLabel->setText("Import schedule: ");
 137
 138     emit(scheduleImported(confId));
 139 }
 140