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(QWidget* parent): QMainWindow(parent) {
  54     setupUi(this);
  55
  56     // Open database
  57     sqlEngine = new SqlEngine(this);
  58     searchTabContainer->setSqlEngine(sqlEngine);
  59     connect(sqlEngine, SIGNAL(dbError(QString)), this, SLOT(showError(QString)));
  60     sqlEngine->open();
  61     sqlEngine->createOrUpdateDbSchema();
  62
  63     conferenceModel = new ConferenceModel(this);
  64     mXmlParser = new ScheduleXmlParser(sqlEngine, this);
  65     mNetworkAccessManager = new QNetworkAccessManager(this);
  66     systemTrayIcon = new QSystemTrayIcon(qApp->windowIcon(), this);
  67     alarmTimer = new QTimer(this);
  68
  69     alarmTimer->setInterval(60000);
  70     alarmTimer->start();
  71     saved_title = windowTitle();
  72
  73 #ifdef N810
  74     tabWidget->setTabText(1,"Favs");
  75     //tabWidget->setTabText(2,"Day");
  76 #endif
  77
  78     // first time run aplication: -> let's have it direct connection in this case
  79     if(!AppSettings::contains("proxyIsDirectConnection"))
  80         AppSettings::setDirectConnection(true);
  81
  82     QNetworkProxy proxy(
  83             AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
  84             AppSettings::proxyAddress(),
  85             AppSettings::proxyPort(),
  86             PROXY_USERNAME,
  87             PROXY_PASSWD);
  88     QNetworkProxy::setApplicationProxy(proxy);
  89
  90     // event details have changed
  91     connect(dayTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  92     connect(favsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  93     connect(tracksTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  94     connect(roomsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  95     connect(searchTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
  96
  97     // date has changed
  98     connect(dayNavigator, SIGNAL(dateChanged(QDate)), dayTabContainer, SLOT(redisplayDate(QDate)));
  99     connect(dayNavigator, SIGNAL(dateChanged(QDate)), favsTabContainer, SLOT(redisplayDate(QDate)));
 100     connect(dayNavigator, SIGNAL(dateChanged(QDate)), tracksTabContainer, SLOT(redisplayDate(QDate)));
 101     connect(dayNavigator, SIGNAL(dateChanged(QDate)), roomsTabContainer, SLOT(redisplayDate(QDate)));
 102     connect(dayNavigator, SIGNAL(dateChanged(QDate)), searchTabContainer, SLOT(redisplayDate(QDate)));
 103
 104     // search result has changed
 105     connect(searchTabContainer, SIGNAL(searchResultChanged()), SLOT(onSearchResultChanged()));
 106
 107     // systm tray icon
 108     connect(systemTrayIcon, SIGNAL(messageClicked()), SLOT(onSystemTrayMessageClicked()));
 109
 110     // timer
 111     connect(alarmTimer, SIGNAL(timeout()), SLOT(onAlarmTimerTimeout()));
 112
 113     useConference(Conference::activeConference());
 114     // optimization, see useConference() code
 115     try {
 116         initTabs();
 117     } catch (const OrmException& e) {
 118         qDebug() << "OrmException:" << e.text();
 119         clearTabs();
 120     }
 121
 122     connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
 123     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
 124     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), conferenceModel, SLOT(newConferenceEnd(int)));
 125 }
 126
 127
 128 void MainWindow::on_aboutAction_triggered()
 129 {
 130     QDialog dialog(this);
 131     Ui::AboutDialog ui;
 132     ui.setupUi(&dialog);
 133     ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
 134 #ifdef N810
 135     dialog.setFixedWidth(width());
 136 #endif
 137     dialog.exec();
 138 }
 139
 140
 141 void MainWindow::on_reloadAction_triggered() {
 142     int confId = Conference::activeConference();
 143     if (confId== -1) return;
 144     Conference active = Conference::getById(confId);
 145     if (active.url().isEmpty()) return;
 146     importFromNetwork(active.url(), confId);
 147     setEnabled(false);
 148 }
 149
 150
 151 void MainWindow::on_nowAction_triggered() {
 152     int confId = Conference::activeConference();
 153     if (confId== -1) return;
 154     dayNavigator->setCurDate(QDate::currentDate());
 155     dayTabContainer->expandTimeGroup(QTime::currentTime(), confId);
 156 }
 157
 158
 159 void MainWindow::on_searchAction_triggered() {
 160     if (tabWidget->currentWidget() == searchTab)
 161         searchTabContainer->showSearchDialog(!searchTabContainer->searchDialogIsVisible());
 162     else {
 163         tabWidget->setCurrentWidget(searchTab);
 164         searchTabContainer->showSearchDialog();
 165     }
 166 }
 167
 168
 169 void MainWindow::on_expandAllAction_triggered() {
 170     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->expandAll();
 171     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->expandAll();
 172     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->expandAll();
 173     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->expandAll();
 174     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->expandAll();
 175 }
 176
 177
 178 void MainWindow::on_collapseAllAction_triggered() {
 179     if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->collapseAll();
 180     if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->collapseAll();
 181     if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->collapseAll();
 182     if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->collapseAll();
 183     if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->collapseAll();
 184 }
 185
 186
 187 void MainWindow::onEventChanged(int aEventId, bool favouriteChanged) {
 188     dayTabContainer->redisplayEvent(aEventId);
 189     if (favouriteChanged) favsTabContainer->redisplayDate(dayNavigator->curDate());
 190     else favsTabContainer->redisplayEvent(aEventId);
 191     tracksTabContainer->redisplayEvent(aEventId);
 192     roomsTabContainer->redisplayEvent(aEventId);
 193     searchTabContainer->redisplayEvent(aEventId);
 194 }
 195
 196
 197 void MainWindow::onSearchResultChanged() {
 198     // Are results found on the current date?
 199     QDate date = dayNavigator->curDate();
 200     int count = searchTabContainer->searchResultCount(date);
 201     if (count > 0) {searchTabContainer->redisplayDate(date); return;}
 202
 203     // Are results found in the future?
 204     for (date = date.addDays(1); date <= dayNavigator->endDate(); date = date.addDays(1)) {
 205         int count = searchTabContainer->searchResultCount(date);
 206         if (count > 0) {dayNavigator->setCurDate(date); return;}
 207     }
 208
 209     // Are results found in the past?
 210     for (date = dayNavigator->startDate(); date < dayNavigator->curDate(); date = date.addDays(1)) {
 211         int count = searchTabContainer->searchResultCount(date);
 212         if (count > 0) {dayNavigator->setCurDate(date); return;}
 213     }
 214     // No results were found
 215     searchTabContainer->redisplayDate(dayNavigator->curDate());
 216 }
 217
 218
 219 void MainWindow::onSystemTrayMessageClicked() {
 220     // TODO: Hide icon
 221 }
 222
 223
 224 void MainWindow::onAlarmTimerTimeout() {
 225     // TODO: Show Message if an alarm is set on an event that's starting soon and delete the corresponding alarm.
 226     /* Example:
 227     systemTrayIcon->show();
 228     systemTrayIcon->showMessage("title", "message", QSystemTrayIcon::Information, 1000);
 229     QApplication::alert(this);
 230     QApplication::beep();
 231     */
 232 }
 233
 234
 235 void MainWindow::useConference(int conferenceId)
 236 {
 237     if (conferenceId == -1)  // in case no conference is active
 238     {
 239         unsetConference();
 240         return;
 241     }
 242     try {
 243         int oldActiveConferenceId = Conference::activeConference();
 244         bool switchActiveConference = conferenceId != oldActiveConferenceId;
 245         if (switchActiveConference) Conference::getById(oldActiveConferenceId).update("active", 0);
 246         Conference activeConference = Conference::getById(conferenceId);
 247         if (switchActiveConference) activeConference.update("active",1);
 248
 249         // looks like it does not work at n900
 250         setWindowTitle(activeConference.title());
 251
 252         // optimization.
 253         // dont run initTabs() here
 254         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 255         // and is not seen in maemo WM anyway
 256         // instead run it explicitly
 257         // 1. at startup
 258         // 2. when ConferenceEditor finished
 259         // dont forget to protect the calls by try-catch!
 260
 261         // just in case, clear conference selection instead
 262         clearTabs();
 263
 264         // end of optimization
 265         // initTabs();
 266     } catch (OrmException& e) {
 267         // cannon set an active conference
 268         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 269         return;
 270     }
 271
 272 }
 273
 274 void MainWindow::initTabs()
 275 {
 276     int confId = Conference::activeConference();
 277     if (confId != -1)   // only init tabs if a conference is active
 278     {
 279         Conference active = Conference::getById(confId);
 280         QDate startDate = active.start();
 281         QDate endDate = active.end();
 282
 283         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 284         dayNavigator->setDates(startDate, endDate);
 285         nowAction->trigger();
 286     }
 287 }
 288
 289 void MainWindow::clearTabs()
 290 {
 291     dayTabContainer->clearModel();
 292     tracksTabContainer->clearModel();
 293     roomsTabContainer->clearModel();
 294     favsTabContainer->clearModel();
 295     searchTabContainer->clearModel();
 296 }
 297
 298 void MainWindow::unsetConference()
 299 {
 300     clearTabs();
 301     dayNavigator->unsetDates();
 302     setWindowTitle(saved_title);
 303 }
 304
 305
 306 void MainWindow::showError(const QString& message) {
 307     error_message(message);
 308 }
 309
 310
 311 void MainWindow::on_settingsAction_triggered()
 312 {
 313     SettingsDialog dialog;
 314     dialog.loadDialogData();
 315     if (dialog.exec() == QDialog::Accepted) {
 316         dialog.saveDialogData();
 317         QNetworkProxy proxy(
 318                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 319                 AppSettings::proxyAddress(),
 320                 AppSettings::proxyPort(),
 321                 PROXY_USERNAME,
 322                 PROXY_PASSWD);
 323         QNetworkProxy::setApplicationProxy(proxy);
 324     }
 325 }
 326
 327 /** Create and run ConferenceEditor dialog, making required connections for it.
 328
 329 This method manages, which classes actually perform changes in conference list.
 330
 331 There are several classes that modify the conferences:
 332 this:
 333  deletion and URL update.
 334 this, mXmlParser and mNetworkAccessManager:
 335  addition and refresh.
 336 */
 337 void MainWindow::on_conferencesAction_triggered()
 338 {
 339     ConferenceEditor dialog(conferenceModel, this);
 340
 341     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
 342     connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
 343     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 344     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 345                     SLOT(changeConferenceUrl(int, const QString&)));
 346
 347     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 348     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 349
 350     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 351     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 352     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
 353
 354     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 355
 356     dialog.exec();
 357
 358     // optimization, see useConference() code
 359     try {
 360         initTabs();
 361     } catch (OrmException) {
 362         clearTabs();
 363     }
 364 }
 365
 366 void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
 367     if (aReply->error() != QNetworkReply::NoError) {
 368         error_message(QString("Error occured during download: ") + aReply->errorString());
 369     } else {
 370         QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
 371         if (!redirectUrl.isEmpty()) {
 372             if (redirectUrl != aReply->request().url()) {
 373                 importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
 374                 return; // don't enable controls
 375             } else {
 376                 error_message(QString("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
 377             }
 378         } else {
 379             importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
 380         }
 381     }
 382     setEnabled(true);
 383 }
 384
 385 void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
 386 {
 387     mXmlParser->parseData(aData, url, conferenceId);
 388 }
 389
 390 void MainWindow::importFromNetwork(const QString& url, int conferenceId)
 391 {
 392     QNetworkRequest request;
 393     request.setUrl(QUrl(url));
 394     request.setAttribute(QNetworkRequest::User, conferenceId);
 395
 396     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 397     mNetworkAccessManager->get(request);
 398 }
 399
 400 void MainWindow::importFromFile(const QString& filename, int conferenceId)
 401 {
 402     QFile file(filename);
 403     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 404         static const QString format("Cannot read \"%1\": error %2");
 405         error_message(format.arg(filename, QString::number(file.error())));
 406     }
 407
 408     importData(file.readAll(), "", conferenceId);
 409 }
 410
 411
 412 void MainWindow::removeConference(int id) {
 413     sqlEngine->deleteConference(id);
 414     conferenceModel->conferenceRemoved();
 415     emit conferenceRemoved();
 416 }
 417
 418
 419 void MainWindow::changeConferenceUrl(int id, const QString& url) {
 420     Conference::getById(id).setUrl(url);
 421 }
 422