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     // systemTrayIcon->hide();
 222 }
 223
 224
 225 void MainWindow::onAlarmTimerTimeout() {
 226     // TODO: Show Message if an alarm is set on an event that's starting soon and delete the corresponding alarm.
 227     /*
 228     systemTrayIcon->show();
 229     qDebug() << systemTrayIcon->geometry(); // gets moved to the correct location only at second usage
 230     systemTrayIcon->showMessage("title", "message", QSystemTrayIcon::Information, 1000);
 231     QApplication::alert(this);
 232     QApplication::beep();
 233     */
 234 }
 235
 236
 237 void MainWindow::useConference(int conferenceId)
 238 {
 239     if (conferenceId == -1)  // in case no conference is active
 240     {
 241         unsetConference();
 242         return;
 243     }
 244     try {
 245         int oldActiveConferenceId = Conference::activeConference();
 246         bool switchActiveConference = conferenceId != oldActiveConferenceId;
 247         if (switchActiveConference) Conference::getById(oldActiveConferenceId).update("active", 0);
 248         Conference activeConference = Conference::getById(conferenceId);
 249         if (switchActiveConference) activeConference.update("active",1);
 250
 251         // looks like it does not work at n900
 252         setWindowTitle(activeConference.title());
 253
 254         // optimization.
 255         // dont run initTabs() here
 256         // it takes much CPU, making travelling between conferences in ConferenceEditor longer
 257         // and is not seen in maemo WM anyway
 258         // instead run it explicitly
 259         // 1. at startup
 260         // 2. when ConferenceEditor finished
 261         // dont forget to protect the calls by try-catch!
 262
 263         // just in case, clear conference selection instead
 264         clearTabs();
 265
 266         // end of optimization
 267         // initTabs();
 268     } catch (OrmException& e) {
 269         // cannon set an active conference
 270         unsetConference();   // TODO: as no active conference is now correctly managed this should be handled as a fatal error
 271         return;
 272     }
 273
 274 }
 275
 276 void MainWindow::initTabs()
 277 {
 278     int confId = Conference::activeConference();
 279     if (confId != -1)   // only init tabs if a conference is active
 280     {
 281         Conference active = Conference::getById(confId);
 282         QDate startDate = active.start();
 283         QDate endDate = active.end();
 284
 285         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 286         dayNavigator->setDates(startDate, endDate);
 287         nowAction->trigger();
 288     }
 289 }
 290
 291 void MainWindow::clearTabs()
 292 {
 293     dayTabContainer->clearModel();
 294     tracksTabContainer->clearModel();
 295     roomsTabContainer->clearModel();
 296     favsTabContainer->clearModel();
 297     searchTabContainer->clearModel();
 298 }
 299
 300 void MainWindow::unsetConference()
 301 {
 302     clearTabs();
 303     dayNavigator->unsetDates();
 304     setWindowTitle(saved_title);
 305 }
 306
 307
 308 void MainWindow::showError(const QString& message) {
 309     error_message(message);
 310 }
 311
 312
 313 void MainWindow::on_settingsAction_triggered()
 314 {
 315     SettingsDialog dialog;
 316     dialog.loadDialogData();
 317     if (dialog.exec() == QDialog::Accepted) {
 318         dialog.saveDialogData();
 319         QNetworkProxy proxy(
 320                 AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
 321                 AppSettings::proxyAddress(),
 322                 AppSettings::proxyPort(),
 323                 PROXY_USERNAME,
 324                 PROXY_PASSWD);
 325         QNetworkProxy::setApplicationProxy(proxy);
 326     }
 327 }
 328
 329 /** Create and run ConferenceEditor dialog, making required connections for it.
 330
 331 This method manages, which classes actually perform changes in conference list.
 332
 333 There are several classes that modify the conferences:
 334 this:
 335  deletion and URL update.
 336 this, mXmlParser and mNetworkAccessManager:
 337  addition and refresh.
 338 */
 339 void MainWindow::on_conferencesAction_triggered()
 340 {
 341     ConferenceEditor dialog(conferenceModel, this);
 342
 343     connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
 344     connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
 345     connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
 346     connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
 347                     SLOT(changeConferenceUrl(int, const QString&)));
 348
 349     connect(&dialog, SIGNAL(haveConferenceSelected(int)), SLOT(useConference(int)));
 350     connect(&dialog, SIGNAL(noneConferenceSelected()), SLOT(unsetConference()));
 351
 352     connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
 353     connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
 354     connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
 355
 356     connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
 357
 358     dialog.exec();
 359
 360     // optimization, see useConference() code
 361     try {
 362         initTabs();
 363     } catch (OrmException) {
 364         clearTabs();
 365     }
 366 }
 367
 368 void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
 369     if (aReply->error() != QNetworkReply::NoError) {
 370         error_message(QString("Error occured during download: ") + aReply->errorString());
 371     } else {
 372         QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
 373         if (!redirectUrl.isEmpty()) {
 374             if (redirectUrl != aReply->request().url()) {
 375                 importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
 376                 return; // don't enable controls
 377             } else {
 378                 error_message(QString("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
 379             }
 380         } else {
 381             importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
 382         }
 383     }
 384     setEnabled(true);
 385 }
 386
 387 void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
 388 {
 389     mXmlParser->parseData(aData, url, conferenceId);
 390 }
 391
 392 void MainWindow::importFromNetwork(const QString& url, int conferenceId)
 393 {
 394     QNetworkRequest request;
 395     request.setUrl(QUrl(url));
 396     request.setAttribute(QNetworkRequest::User, conferenceId);
 397
 398     mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
 399     mNetworkAccessManager->get(request);
 400 }
 401
 402 void MainWindow::importFromFile(const QString& filename, int conferenceId)
 403 {
 404     QFile file(filename);
 405     if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
 406         static const QString format("Cannot read \"%1\": error %2");
 407         error_message(format.arg(filename, QString::number(file.error())));
 408     }
 409
 410     importData(file.readAll(), "", conferenceId);
 411 }
 412
 413
 414 void MainWindow::removeConference(int id) {
 415     sqlEngine->deleteConference(id);
 416     conferenceModel->conferenceRemoved();
 417     emit conferenceRemoved();
 418 }
 419
 420
 421 void MainWindow::changeConferenceUrl(int id, const QString& url) {
 422     Conference::getById(id).setUrl(url);
 423 }
 424