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 #include "proxysettingsdialog.h"
  23
  24 #include <QDir>
  25 #include <QFile>
  26 #include <QFileDialog>
  27 #include <QNetworkProxy>
  28 #include <QNetworkAccessManager>
  29 #include <QNetworkReply>
  30 #include <QDebug>
  31 #include <appsettings.h>
  32
  33 const QString SCHEDULE_URL = "http://fosdem.org/2010/schedule/xml";
  34
  35 const QString PROXY_USERNAME;
  36 const QString PROXY_PASSWD;
  37
  38 ImportScheduleWidget::ImportScheduleWidget(QWidget *aParent)
  39     : QWidget(aParent)
  40 {
  41     setupUi(this);
  42
  43     mXmlParser = new ScheduleXmlParser(this);
  44     connect(mXmlParser, SIGNAL(progressStatus(int)), SLOT(showParsingProgress(int)));
  45     connect(mXmlParser, SIGNAL(parsingSchedule(const QString &)), SLOT(parsingSchedule(const QString &)));
  46
  47     connect(browse, SIGNAL(clicked()), SLOT(browseSchedule()));
  48     progressBar->hide();
  49
  50     cancel->hide();
  51     importAction->hide();
  52     connect(online, SIGNAL(clicked()), SLOT(downloadSchedule()));
  53
  54     connect(proxySettings, SIGNAL(clicked()), SLOT(setupProxy()));
  55     mNetworkAccessManager = new QNetworkAccessManager(this);
  56     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkQueryFinished(QNetworkReply*)));
  57     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
  58 }
  59
  60 ImportScheduleWidget::~ImportScheduleWidget()
  61 {
  62     if(mXmlParser)
  63     {
  64         delete mXmlParser;
  65         mXmlParser = NULL;
  66     }
  67     if(mNetworkAccessManager)
  68     {
  69         delete mNetworkAccessManager;
  70         mNetworkAccessManager = NULL;
  71     }
  72 }
  73
  74 void ImportScheduleWidget::parsingSchedule(const QString &aTitle)
  75 {
  76     importScheduleLabel->setText("Importing: " + aTitle);
  77 }
  78
  79 void ImportScheduleWidget::showParsingProgress(int progress)
  80 {
  81     progressBar->setValue(progress);
  82 }
  83
  84 void ImportScheduleWidget::browseSchedule()
  85 {
  86     QString scheduleFileName = QFileDialog::getOpenFileName(this, tr("Select Conference Schedule"), QDir::homePath(), tr("Schedule Files (*.xml)"));
  87     if(QFile::exists(scheduleFileName))
  88     {
  89         QFile file(scheduleFileName);
  90         if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
  91         {
  92             qDebug() << "can't open " << file.fileName();
  93             return;
  94         }
  95
  96         importData(file.readAll());
  97
  98     }
  99     else
 100     {
 101         progressBar->hide();
 102     }
 103 }
 104
 105 void ImportScheduleWidget::networkQueryFinished(QNetworkReply *aReply)
 106 {
 107     if ( aReply->error() != QNetworkReply::NoError )
 108     {
 109         qDebug() << "Error occured during download: " << aReply->errorString();
 110     }
 111     else
 112     {
 113         importData(aReply->readAll());
 114     }
 115 }
 116
 117 void ImportScheduleWidget::downloadSchedule()
 118 {
 119     QNetworkRequest request;
 120     request.setUrl(QUrl(SCHEDULE_URL));
 121     mNetworkAccessManager->get(request);
 122 }
 123
 124 void ImportScheduleWidget::importData(const QByteArray &aData)
 125 {
 126     browse->hide();
 127     online->hide();
 128     progressBar->show();
 129     proxySettings->hide();
 130
 131     int confId = mXmlParser->parseData(aData);
 132
 133     progressBar->hide();
 134     browse->show();
 135     online->show();
 136     proxySettings->show();
 137     importScheduleLabel->setText("Import schedule: ");
 138
 139     emit(scheduleImported(confId));
 140 }
 141
 142 void ImportScheduleWidget::setupProxy()
 143 {
 144     ProxySettingsDialog dialog;
 145     dialog.exec();
 146
 147     qDebug() << "Setting-up proxy: " << AppSettings::proxyAddress() << ":" << AppSettings::proxyPort();
 148     QNetworkProxy proxy(
 149             AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 150             AppSettings::proxyAddress(),
 151             AppSettings::proxyPort(),
 152             PROXY_USERNAME,
 153             PROXY_PASSWD);
 154     QNetworkProxy::setApplicationProxy(proxy);
 155
 156     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 157 }
 158