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