src/gui/mainwindow.cpp

   1 /*
   2  * Copyright (C) 2010 Ixonos Plc.
   3  * Copyright (C) 2011 Philipp Spitzer, gregor herrmann
   4  *
   5  * This file is part of ConfClerk.
   6  *
   7  * ConfClerk is free software: you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation, either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * ConfClerk is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20 #include "mainwindow.h"
  21
  22 #include <QTreeView>
  23 #include <QFile>
  24 #include <QNetworkProxy>
  25 #include <QNetworkAccessManager>
  26 #include <QNetworkReply>
  27
  28 #include <sqlengine.h>
  29
  30 #include <track.h>
  31 #include <eventmodel.h>
  32 #include <delegate.h>
  33
  34 #include <conference.h>
  35
  36 #include <QDialog>
  37 #include <QMessageBox>
  38
  39 #include "ui_about.h"
  40 #include <eventdialog.h>
  41 #include "daynavigatorwidget.h"
  42 #include "settingsdialog.h"
  43 #include "conferenceeditor.h"
  44 #include "schedulexmlparser.h"
  45 #include "errormessage.h"
  46
  47 #include <tabcontainer.h>
  48 #include <appsettings.h>
  49
  50 const QString PROXY_USERNAME;
  51 const QString PROXY_PASSWD;
  52
  53 MainWindow::MainWindow(int aEventId, QWidget *aParent)
  54     : QMainWindow(aParent)
  55     , conferenceModel(new ConferenceModel(this))
  56     , mXmlParser(new ScheduleXmlParser(this))
  57     , mNetworkAccessManager(new QNetworkAccessManager(this))
  58 {
  59     setupUi(this);
  60
  61     saved_title = windowTitle();
  62
  63 #ifdef N810
  64     tabWidget->setTabText(1,"Favs");
  65     //tabWidget->setTabText(2,"Day");
  66 #endif
  67
  68     // first time run aplication: -> let's have it direct connection in this case
  69     if(!AppSettings::contains("proxyIsDirectConnection"))
  70         AppSettings::setDirectConnection(true);
  71
  72     /*
  73     if(AppSettings::isDirectConnection())
  74     {
  75         qDebug() << "Setting-up proxy: " << AppSettings::proxyAddress() << ":" << AppSettings::proxyPort();
  76     }
  77     */
  78     QNetworkProxy proxy(
  79             AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
  80             AppSettings::proxyAddress(),
  81             AppSettings::proxyPort(),
  82             PROXY_USERNAME,
  83             PROXY_PASSWD);
  84     QNetworkProxy::setApplicationProxy(proxy);
  85
  86     // event details have changed
  87     connect(dayTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
  88     connect(favsTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
  89     connect(tracksTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
  90     connect(roomsTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
  91     connect(nowTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
  92     connect(searchTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
  93
  94     connect(aboutAction, SIGNAL(triggered()), SLOT(aboutApp()));
  95     connect(settingsAction, SIGNAL(triggered()), SLOT(setup()));
  96     connect(conferencesAction, SIGNAL(triggered()), SLOT(showConferences()));
  97
  98     useConference(Conference::activeConference());
  99     // optimization, see useConference() code
 100     try {
 101         initTabs();
 102     } catch (const OrmException& e) {
 103         qDebug() << "OrmException:" << e.text();
 104         clearTabs();
 105     }
 106
 107     // TODO: open conferences at startup?
 108     #if 0
 109     if(!confCount)
 110         tabWidget->setCurrentIndex(6); // 6 - conference tab
 111     }
 112     #endif
 113
 114     // open dialog for given Event ID
 115     // this is used in case Alarm Dialog request application to start
 116     if(aEventId)
 117     {
 118         try
 119         {
 120             EventDialog dialog(aEventId,this);
 121             dialog.exec();
 122         }
 123         catch(OrmNoObjectException&) {} // just start application
 124         catch(...) {} // just start application
 125     }
 126
 127     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
 128
 129     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
 130     connect(mXmlParser, SIGNAL(parsingScheduleEnd(const QString&)), conferenceModel, SLOT(newConferenceEnd(const QString&)));
 131 }
 132
 133 void MainWindow::aboutApp()
 134 {
 135     QDialog dialog(this);
 136     Ui::AboutDialog ui;
 137     ui.setupUi(&dialog);
 138     ui.labelVersion->setText(ui.labelVersion->text().arg(qApp->applicationVersion()));
 139 #ifdef N810
 140     dialog.setFixedWidth(width());
 141 #endif
 142     dialog.exec();
 143 }
 144
 145 void MainWindow::eventHasChanged(int aEventId, bool aReloadModel)
 146 {
 147     dayTabContainer->updateTreeViewModel(aEventId);
 148     favsTabContainer->updateTreeViewModel(aEventId,aReloadModel);
 149     tracksTabContainer->updateTreeViewModel(aEventId);
 150     nowTabContainer->updateTreeViewModel(aEventId);
 151     roomsTabContainer->updateTreeViewModel(aEventId);
 152     searchTabContainer->updateTreeViewModel(aEventId);
 153 }
 154
 155 void MainWindow::useConference(int id)
 156 {
 157     try {
 158         Conference::getById(Conference::activeConference()).update("active",0);
 159         Conference new_active = Conference::getById(id);
 160         new_active.update("active",1);
 161
 162         // looks like it does not work at n900
 163         setWindowTitle(new_active.title());
 164
 165         // optimization.
 166         // dont run initTabs() here
 167         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 168         // and is not seen in maemo WM anyway
 169         // instead run it explicitly
 170         // 1. at startup
 171         // 2. when ConferenceEditor finished
 172         // dont forget to protect the calls by try-catch!
 173
 174         // just in case, clear conference selection instead
 175         clearTabs();
 176
 177         // end of optimization
 178         // initTabs();
 179     } catch (OrmException& e) {
 180         // cannon set an active conference
 181         unsetConference();
 182         return;
 183     }
 184
 185 }
 186
 187 void MainWindow::initTabs()
 188 {
 189     int confId = Conference::activeConference();
 190     Conference active = Conference::getById(confId);
 191     QDate startDate = active.start();
 192     QDate endDate = active.end();
 193
 194     // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 195     dayTabContainer->setDates(startDate, endDate);
 196     tracksTabContainer->setDates(startDate, endDate);
 197     roomsTabContainer->setDates(startDate, endDate);
 198     favsTabContainer->setDates(startDate, endDate);
 199     searchTabContainer->setDates(startDate, endDate);
 200     searchTabContainer->searchAgainClicked();
 201     nowTabContainer->updateTreeView(QDate::currentDate());
 202 }
 203
 204 void MainWindow::clearTabs()
 205 {
 206     dayTabContainer->clearModel();
 207     tracksTabContainer->clearModel();
 208     roomsTabContainer->clearModel();
 209     favsTabContainer->clearModel();
 210     searchTabContainer->clearModel();
 211     searchTabContainer->searchAgainClicked();
 212     nowTabContainer->clearModel();
 213 }
 214
 215 void MainWindow::unsetConference()
 216 {
 217     clearTabs();
 218     setWindowTitle(saved_title);
 219 }
 220
 221 void MainWindow::setup()
 222 {
 223     SettingsDialog dialog;
 224     dialog.exec();
 225
 226     QNetworkProxy proxy(
 227             AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 228             AppSettings::proxyAddress(),
 229             AppSettings::proxyPort(),
 230             PROXY_USERNAME,
 231             PROXY_PASSWD);
 232     QNetworkProxy::setApplicationProxy(proxy);
 233 }
 234
 235 /** Create and run ConferenceEditor dialog, making required connections for it.
 236
 237 This method manages, which classes actually perform changes in conference list.
 238
 239 There are several classes that modify the conferences:
 240 this:
 241  deletion and URL update.
 242 this, mXmlParser and mNetworkAccessManager:
 243  addition and refresh.
 244 */
 245 void MainWindow::showConferences()
 246 {
 247     ConferenceEditor dialog(conferenceModel, this);
 248
 249     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&)), SLOT(importFromNetwork(const QString&)));
 250     connect(&dialog, SIGNAL(haveConferenceFile(const QString&)), SLOT(importFromFile(const QString&)));
 251     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 252     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 253                     SLOT(changeConferenceUrl(int, const QString&)));
 254
 255     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 256     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 257
 258     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 259     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 260     connect(mXmlParser, SIGNAL(parsingScheduleEnd(const QString&)), &dialog, SLOT(importFinished(const QString&)));
 261
 262     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 263
 264     dialog.exec();
 265
 266     // optimization, see useConference() code
 267     try {
 268         initTabs();
 269     } catch (OrmException) {
 270         clearTabs();
 271     }
 272 }
 273
 274 void MainWindow::networkQueryFinished(QNetworkReply *aReply)
 275 {
 276     if ( aReply->error() != QNetworkReply::NoError )
 277     {
 278         error_message(QString("Error occured during download: ") + aReply->errorString());
 279     }
 280     else
 281     {
 282         importData(aReply->readAll(), aReply->url().toEncoded());
 283     }
 284 }
 285
 286 void MainWindow::importData(const QByteArray &aData, const QString& url)
 287 {
 288     mXmlParser->parseData(aData, url);
 289 }
 290
 291 void MainWindow::importFromNetwork(const QString& url)
 292 {
 293     QNetworkRequest request;
 294     request.setUrl(QUrl(url));
 295
 296     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 297     mNetworkAccessManager->get(request);
 298 }
 299
 300 void MainWindow::importFromFile(const QString& filename)
 301 {
 302     QFile file(filename);
 303     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 304         static const QString format("Cannot read \"%1\": error %2");
 305         error_message(format.arg(filename, QString::number(file.error())));
 306     }
 307
 308     importData(file.readAll(), "");
 309 }
 310
 311 void MainWindow::removeConference(int id)
 312 {
 313     Conference::deleteConference(id);
 314     conferenceModel->conferenceRemoved();
 315
 316     emit conferenceRemoved();
 317 }
 318
 319 void MainWindow::changeConferenceUrl(int id, const QString& url)
 320 {
 321     Conference::getById(id).setUrl(url);
 322 }
 323