src/gui/mainwindow.cpp

   1 /*
   2  * Copyright (C) 2010 Ixonos Plc.
   3  * Copyright (C) 2011-2012 Philipp Spitzer, gregor herrmann, Stefan Stahl
   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(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  88     connect(favsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  89     connect(tracksTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  90     connect(roomsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  91     connect(searchTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  92
  93     // date has changed
  94     connect(dayNavigator, SIGNAL(dateChanged(QDate)), dayTabContainer, SLOT(redisplayDate(QDate)));
  95     connect(dayNavigator, SIGNAL(dateChanged(QDate)), favsTabContainer, SLOT(redisplayDate(QDate)));
  96     connect(dayNavigator, SIGNAL(dateChanged(QDate)), tracksTabContainer, SLOT(redisplayDate(QDate)));
  97     connect(dayNavigator, SIGNAL(dateChanged(QDate)), roomsTabContainer, SLOT(redisplayDate(QDate)));
  98     connect(dayNavigator, SIGNAL(dateChanged(QDate)), searchTabContainer, SLOT(redisplayDate(QDate)));
  99
 100     // search result has changed
 101     connect(searchTabContainer, SIGNAL(searchResultChanged()), SLOT(onSearchResultChanged()));
 102
 103
 104     useConference(Conference::activeConference());
 105     // optimization, see useConference() code
 106     try {
 107         initTabs();
 108     } catch (const OrmException& e) {
 109         qDebug() << "OrmException:" << e.text();
 110         clearTabs();
 111     }
 112
 113     // open dialog for given Event ID
 114     // this is used in case Alarm Dialog request application to start
 115     if(aEventId)
 116     {
 117         try
 118         {
 119             EventDialog dialog(aEventId,this);
 120             dialog.exec();
 121         }
 122         catch(OrmNoObjectException&) {} // just start application
 123         catch(...) {} // just start application
 124     }
 125
 126     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
 127
 128     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
 129     connect(mXmlParser, SIGNAL(parsingScheduleEnd(const QString&)), conferenceModel, SLOT(newConferenceEnd(const QString&)));
 130 }
 131
 132 void MainWindow::on_aboutAction_triggered()
 133 {
 134     QDialog dialog(this);
 135     Ui::AboutDialog ui;
 136     ui.setupUi(&dialog);
 137     ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
 138 #ifdef N810
 139     dialog.setFixedWidth(width());
 140 #endif
 141     dialog.exec();
 142 }
 143
 144
 145 void MainWindow::on_reloadAction_triggered() {
 146     int confId = Conference::activeConference();
 147     if (confId== -1) return;
 148     Conference active = Conference::getById(confId);
 149     if (active.url().isEmpty()) return;
 150     importFromNetwork(active.url());
 151     setEnabled(false);
 152 }
 153
 154
 155 void MainWindow::on_nowAction_triggered() {
 156     int confId = Conference::activeConference();
 157     if (confId== -1) return;
 158     dayNavigator->setCurDate(QDate::currentDate());
 159     dayTabContainer->expandTimeGroup(QTime::currentTime(), confId);
 160 }
 161
 162
 163 void MainWindow::on_searchAction_triggered() {
 164     if (tabWidget->currentWidget() == searchTab)
 165         searchTabContainer->showSearchDialog(!searchTabContainer->searchDialogIsVisible());
 166     else {
 167         tabWidget->setCurrentWidget(searchTab);
 168         searchTabContainer->showSearchDialog();
 169     }
 170 }
 171
 172
 173 void MainWindow::on_expandAllAction_triggered() {
 174     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->expandAll();
 175     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->expandAll();
 176     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->expandAll();
 177     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->expandAll();
 178     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->expandAll();
 179 }
 180
 181
 182 void MainWindow::on_collapseAllAction_triggered() {
 183     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->collapseAll();
 184     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->collapseAll();
 185     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->collapseAll();
 186     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->collapseAll();
 187     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->collapseAll();
 188 }
 189
 190
 191 void MainWindow::onEventChanged(int aEventId, bool favouriteChanged) {
 192     dayTabContainer->redisplayEvent(aEventId);
 193     if (favouriteChanged) favsTabContainer->redisplayDate(dayNavigator->curDate());
 194     else favsTabContainer->redisplayEvent(aEventId);
 195     tracksTabContainer->redisplayEvent(aEventId);
 196     roomsTabContainer->redisplayEvent(aEventId);
 197     searchTabContainer->redisplayEvent(aEventId);
 198 }
 199
 200
 201 void MainWindow::onSearchResultChanged() {
 202     // Are results found on the current date?
 203     QDate date = dayNavigator->curDate();
 204     int count = searchTabContainer->searchResultCount(date);
 205     if (count > 0) {searchTabContainer->redisplayDate(date); return;}
 206
 207     // Are results found in the future?
 208     for (date = date.addDays(1); date <= dayNavigator->endDate(); date = date.addDays(1)) {
 209         int count = searchTabContainer->searchResultCount(date);
 210         if (count > 0) {dayNavigator->setCurDate(date); return;}
 211     }
 212
 213     // Are results found in the past?
 214     for (date = dayNavigator->startDate(); date < dayNavigator->curDate(); date = date.addDays(1)) {
 215         int count = searchTabContainer->searchResultCount(date);
 216         if (count > 0) {dayNavigator->setCurDate(date); return;}
 217     }
 218     // No results were found
 219     searchTabContainer->redisplayDate(dayNavigator->curDate());
 220 }
 221
 222
 223 void MainWindow::useConference(int id)
 224 {
 225     if (id == -1)  // in case no conference is active
 226     {
 227         unsetConference();
 228         return;
 229     }
 230     try {
 231         Conference::getById(Conference::activeConference()).update("active",0);
 232         Conference new_active = Conference::getById(id);
 233         new_active.update("active",1);
 234
 235         // looks like it does not work at n900
 236         setWindowTitle(new_active.title());
 237
 238         // optimization.
 239         // dont run initTabs() here
 240         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 241         // and is not seen in maemo WM anyway
 242         // instead run it explicitly
 243         // 1. at startup
 244         // 2. when ConferenceEditor finished
 245         // dont forget to protect the calls by try-catch!
 246
 247         // just in case, clear conference selection instead
 248         clearTabs();
 249
 250         // end of optimization
 251         // initTabs();
 252     } catch (OrmException& e) {
 253         // cannon set an active conference
 254         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 255         return;
 256     }
 257
 258 }
 259
 260 void MainWindow::initTabs()
 261 {
 262     int confId = Conference::activeConference();
 263     if (confId != -1)   // only init tabs if a conference is active
 264     {
 265         Conference active = Conference::getById(confId);
 266         QDate startDate = active.start();
 267         QDate endDate = active.end();
 268
 269         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 270         dayNavigator->setDates(startDate, endDate);
 271     }
 272 }
 273
 274 void MainWindow::clearTabs()
 275 {
 276     dayTabContainer->clearModel();
 277     tracksTabContainer->clearModel();
 278     roomsTabContainer->clearModel();
 279     favsTabContainer->clearModel();
 280     searchTabContainer->clearModel();
 281 }
 282
 283 void MainWindow::unsetConference()
 284 {
 285     clearTabs();
 286     dayNavigator->unsetDates();
 287     setWindowTitle(saved_title);
 288 }
 289
 290 void MainWindow::on_settingsAction_triggered()
 291 {
 292     SettingsDialog dialog;
 293     dialog.loadDialogData();
 294     if (dialog.exec() == QDialog::Accepted) {
 295         dialog.saveDialogData();
 296         QNetworkProxy proxy(
 297                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 298                 AppSettings::proxyAddress(),
 299                 AppSettings::proxyPort(),
 300                 PROXY_USERNAME,
 301                 PROXY_PASSWD);
 302         QNetworkProxy::setApplicationProxy(proxy);
 303     }
 304 }
 305
 306 /** Create and run ConferenceEditor dialog, making required connections for it.
 307
 308 This method manages, which classes actually perform changes in conference list.
 309
 310 There are several classes that modify the conferences:
 311 this:
 312  deletion and URL update.
 313 this, mXmlParser and mNetworkAccessManager:
 314  addition and refresh.
 315 */
 316 void MainWindow::on_conferencesAction_triggered()
 317 {
 318     ConferenceEditor dialog(conferenceModel, this);
 319
 320     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&)), SLOT(importFromNetwork(const QString&)));
 321     connect(&dialog, SIGNAL(haveConferenceFile(const QString&)), SLOT(importFromFile(const QString&)));
 322     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 323     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 324                     SLOT(changeConferenceUrl(int, const QString&)));
 325
 326     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 327     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 328
 329     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 330     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 331     connect(mXmlParser, SIGNAL(parsingScheduleEnd(const QString&)), &dialog, SLOT(importFinished(const QString&)));
 332
 333     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 334
 335     dialog.exec();
 336
 337     // optimization, see useConference() code
 338     try {
 339         initTabs();
 340     } catch (OrmException) {
 341         clearTabs();
 342     }
 343 }
 344
 345 void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
 346     if (aReply->error() != QNetworkReply::NoError) {
 347         error_message(QString("Error occured during download: ") + aReply->errorString());
 348     } else {
 349         QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
 350         if (!redirectUrl.isEmpty()) {
 351             if (redirectUrl != aReply->request().url()) {
 352                 importFromNetwork(redirectUrl.toString());
 353                 return; // don't enable controls
 354             } else {
 355                 error_message(QString("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
 356             }
 357         } else {
 358             importData(aReply->readAll(), aReply->url().toEncoded());
 359         }
 360     }
 361     setEnabled(true);
 362 }
 363
 364 void MainWindow::importData(const QByteArray &aData, const QString& url)
 365 {
 366     mXmlParser->parseData(aData, url);
 367 }
 368
 369 void MainWindow::importFromNetwork(const QString& url)
 370 {
 371     QNetworkRequest request;
 372     request.setUrl(QUrl(url));
 373
 374     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 375     mNetworkAccessManager->get(request);
 376 }
 377
 378 void MainWindow::importFromFile(const QString& filename)
 379 {
 380     QFile file(filename);
 381     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 382         static const QString format("Cannot read \"%1\": error %2");
 383         error_message(format.arg(filename, QString::number(file.error())));
 384     }
 385
 386     importData(file.readAll(), "");
 387 }
 388
 389 void MainWindow::removeConference(int id)
 390 {
 391     Conference::deleteConference(id);
 392     conferenceModel->conferenceRemoved();
 393
 394     emit conferenceRemoved();
 395 }
 396
 397 void MainWindow::changeConferenceUrl(int id, const QString& url)
 398 {
 399     Conference::getById(id).setUrl(url);
 400 }
 401