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     // date has changed
  95     connect(dayNavigator, SIGNAL(dateChanged(QDate)), dayTabContainer, SLOT(setCurDate(QDate)));
  96     connect(dayNavigator, SIGNAL(dateChanged(QDate)), favsTabContainer, SLOT(setCurDate(QDate)));
  97     connect(dayNavigator, SIGNAL(dateChanged(QDate)), tracksTabContainer, SLOT(setCurDate(QDate)));
  98     connect(dayNavigator, SIGNAL(dateChanged(QDate)), roomsTabContainer, SLOT(setCurDate(QDate)));
  99     connect(dayNavigator, SIGNAL(dateChanged(QDate)), nowTabContainer, SLOT(setCurDate(QDate)));
 100     connect(dayNavigator, SIGNAL(dateChanged(QDate)), searchTabContainer, SLOT(setCurDate(QDate)));
 101
 102     connect(aboutAction, SIGNAL(triggered()), SLOT(aboutApp()));
 103     connect(settingsAction, SIGNAL(triggered()), SLOT(setup()));
 104     connect(conferencesAction, SIGNAL(triggered()), SLOT(showConferences()));
 105
 106     useConference(Conference::activeConference());
 107     // optimization, see useConference() code
 108     try {
 109         initTabs();
 110     } catch (const OrmException& e) {
 111         qDebug() << "OrmException:" << e.text();
 112         clearTabs();
 113     }
 114
 115     // TODO: open conferences at startup?
 116     #if 0
 117     if(!confCount)
 118         tabWidget->setCurrentIndex(6); // 6 - conference tab
 119     }
 120     #endif
 121
 122     // open dialog for given Event ID
 123     // this is used in case Alarm Dialog request application to start
 124     if(aEventId)
 125     {
 126         try
 127         {
 128             EventDialog dialog(aEventId,this);
 129             dialog.exec();
 130         }
 131         catch(OrmNoObjectException&) {} // just start application
 132         catch(...) {} // just start application
 133     }
 134
 135     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
 136
 137     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
 138     connect(mXmlParser, SIGNAL(parsingScheduleEnd(const QString&)), conferenceModel, SLOT(newConferenceEnd(const QString&)));
 139 }
 140
 141 void MainWindow::aboutApp()
 142 {
 143     QDialog dialog(this);
 144     Ui::AboutDialog ui;
 145     ui.setupUi(&dialog);
 146     ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
 147 #ifdef N810
 148     dialog.setFixedWidth(width());
 149 #endif
 150     dialog.exec();
 151 }
 152
 153 void MainWindow::eventHasChanged(int aEventId, bool aReloadModel)
 154 {
 155     dayTabContainer->updateTreeViewModel(aEventId);
 156     favsTabContainer->updateTreeViewModel(aEventId,aReloadModel);
 157     tracksTabContainer->updateTreeViewModel(aEventId);
 158     nowTabContainer->updateTreeViewModel(aEventId);
 159     roomsTabContainer->updateTreeViewModel(aEventId);
 160     searchTabContainer->updateTreeViewModel(aEventId);
 161 }
 162
 163 void MainWindow::useConference(int id)
 164 {
 165     if (id == -1)  // in case no conference is active
 166     {
 167         unsetConference();
 168         return;
 169     }
 170     try {
 171         Conference::getById(Conference::activeConference()).update("active",0);
 172         Conference new_active = Conference::getById(id);
 173         new_active.update("active",1);
 174
 175         // looks like it does not work at n900
 176         setWindowTitle(new_active.title());
 177
 178         // optimization.
 179         // dont run initTabs() here
 180         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 181         // and is not seen in maemo WM anyway
 182         // instead run it explicitly
 183         // 1. at startup
 184         // 2. when ConferenceEditor finished
 185         // dont forget to protect the calls by try-catch!
 186
 187         // just in case, clear conference selection instead
 188         clearTabs();
 189
 190         // end of optimization
 191         // initTabs();
 192     } catch (OrmException& e) {
 193         // cannon set an active conference
 194         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 195         return;
 196     }
 197
 198 }
 199
 200 void MainWindow::initTabs()
 201 {
 202     int confId = Conference::activeConference();
 203     if (confId != -1)   // only init tabs if a conference is active
 204     {
 205         Conference active = Conference::getById(confId);
 206         QDate startDate = active.start();
 207         QDate endDate = active.end();
 208
 209         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 210         dayTabContainer->setDates(startDate, endDate);
 211         tracksTabContainer->setDates(startDate, endDate);
 212         roomsTabContainer->setDates(startDate, endDate);
 213         favsTabContainer->setDates(startDate, endDate);
 214         searchTabContainer->setDates(startDate, endDate);
 215         searchTabContainer->searchAgainClicked();
 216         nowTabContainer->updateTreeView(QDate::currentDate());
 217     }
 218 }
 219
 220 void MainWindow::clearTabs()
 221 {
 222     dayTabContainer->clearModel();
 223     tracksTabContainer->clearModel();
 224     roomsTabContainer->clearModel();
 225     favsTabContainer->clearModel();
 226     searchTabContainer->clearModel();
 227     searchTabContainer->searchAgainClicked();
 228     nowTabContainer->clearModel();
 229 }
 230
 231 void MainWindow::unsetConference()
 232 {
 233     clearTabs();
 234     setWindowTitle(saved_title);
 235 }
 236
 237 void MainWindow::setup()
 238 {
 239     SettingsDialog dialog;
 240     dialog.loadDialogData();
 241     if (dialog.exec() == QDialog::Accepted) {
 242         dialog.saveDialogData();
 243         QNetworkProxy proxy(
 244                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 245                 AppSettings::proxyAddress(),
 246                 AppSettings::proxyPort(),
 247                 PROXY_USERNAME,
 248                 PROXY_PASSWD);
 249         QNetworkProxy::setApplicationProxy(proxy);
 250     }
 251 }
 252
 253 /** Create and run ConferenceEditor dialog, making required connections for it.
 254
 255 This method manages, which classes actually perform changes in conference list.
 256
 257 There are several classes that modify the conferences:
 258 this:
 259  deletion and URL update.
 260 this, mXmlParser and mNetworkAccessManager:
 261  addition and refresh.
 262 */
 263 void MainWindow::showConferences()
 264 {
 265     ConferenceEditor dialog(conferenceModel, this);
 266
 267     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&)), SLOT(importFromNetwork(const QString&)));
 268     connect(&dialog, SIGNAL(haveConferenceFile(const QString&)), SLOT(importFromFile(const QString&)));
 269     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 270     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 271                     SLOT(changeConferenceUrl(int, const QString&)));
 272
 273     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 274     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 275
 276     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 277     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 278     connect(mXmlParser, SIGNAL(parsingScheduleEnd(const QString&)), &dialog, SLOT(importFinished(const QString&)));
 279
 280     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 281
 282     dialog.exec();
 283
 284     // optimization, see useConference() code
 285     try {
 286         initTabs();
 287     } catch (OrmException) {
 288         clearTabs();
 289     }
 290 }
 291
 292 void MainWindow::networkQueryFinished(QNetworkReply *aReply)
 293 {
 294     if ( aReply->error() != QNetworkReply::NoError )
 295     {
 296         error_message(QString("Error occured during download: ") + aReply->errorString());
 297     }
 298     else
 299     {
 300         importData(aReply->readAll(), aReply->url().toEncoded());
 301     }
 302 }
 303
 304 void MainWindow::importData(const QByteArray &aData, const QString& url)
 305 {
 306     mXmlParser->parseData(aData, url);
 307 }
 308
 309 void MainWindow::importFromNetwork(const QString& url)
 310 {
 311     QNetworkRequest request;
 312     request.setUrl(QUrl(url));
 313
 314     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 315     mNetworkAccessManager->get(request);
 316 }
 317
 318 void MainWindow::importFromFile(const QString& filename)
 319 {
 320     QFile file(filename);
 321     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 322         static const QString format("Cannot read \"%1\": error %2");
 323         error_message(format.arg(filename, QString::number(file.error())));
 324     }
 325
 326     importData(file.readAll(), "");
 327 }
 328
 329 void MainWindow::removeConference(int id)
 330 {
 331     Conference::deleteConference(id);
 332     conferenceModel->conferenceRemoved();
 333
 334     emit conferenceRemoved();
 335 }
 336
 337 void MainWindow::changeConferenceUrl(int id, const QString& url)
 338 {
 339     Conference::getById(id).setUrl(url);
 340 }
 341