src/gui/mainwindow.cpp

   1 #include "mainwindow.h"
   2
   3 #include <QTreeView>
   4 #include <QDirModel>
   5
   6 #include <sqlengine.h>
   7 #include <schedulexmlparser.h>
   8
   9 #include <eventmodel.h>
  10 #include <delegate.h>
  11
  12 #include <conference.h>
  13
  14 #include <QDialog>
  15 #include "ui_about.h"
  16 #include "daynavigatorwidget.h"
  17
  18 MainWindow::MainWindow(QWidget *parent)
  19     : QMainWindow(parent)
  20 {
  21     setupUi(this);
  22
  23     // connect Menu actions
  24     connect(actionImportSchedule, SIGNAL(triggered()), SLOT(importSchedule()));
  25     connect(actionAboutQt, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
  26     connect(actionAboutApplication, SIGNAL(triggered()), SLOT(aboutApp()));
  27
  28     // create "SQLITE" DB instance/connection
  29     // opens DB connection (needed for EventModel)
  30     mSqlEngine = new SqlEngine(this);
  31     mSqlEngine->initialize();
  32
  33     mXmlParser = new ScheduleXmlParser(this);
  34     connect(mXmlParser, SIGNAL(progressStatus(int)), this, SLOT(showParsingProgress(int)));
  35     statusBar()->showMessage(tr("Ready"));
  36
  37     connect(dayNavigator, SIGNAL(dateChanged(const QDate &)), SLOT(updateDayView(const QDate &)));
  38     connect(activityDayNavigator, SIGNAL(dateChanged(const QDate &)), SLOT(updateActivitiesDayView(const QDate &)));
  39     //connect(tabWidget, SIGNAL(currentChanged(int)), SLOT(updateView(int)));
  40
  41     // DAY EVENTS View
  42     dayTreeView->setHeaderHidden(true);
  43     dayTreeView->setRootIsDecorated(false);
  44     dayTreeView->setIndentation(0);
  45     dayTreeView->setAnimated(true);
  46     dayTreeView->setModel(new EventModel());
  47     dayTreeView->setItemDelegate(new Delegate(dayTreeView));
  48
  49     // FAVOURITIES View
  50     favTreeView->setHeaderHidden(true);
  51     favTreeView->setRootIsDecorated(false);
  52     favTreeView->setIndentation(0);
  53     favTreeView->setAnimated(true);
  54     favTreeView->setModel(new EventModel());
  55     favTreeView->setItemDelegate(new Delegate(favTreeView));
  56
  57     //ACTIVITIES View
  58     activityDayTreeView->setHeaderHidden(true);
  59     activityDayTreeView->setRootIsDecorated(false);
  60     activityDayTreeView->setIndentation(0);
  61     activityDayTreeView->setAnimated(true);
  62     activityDayTreeView->setModel(new EventModel());
  63     activityDayTreeView->setItemDelegate(new Delegate(activityDayTreeView));
  64
  65     // TESTING: load some 'fav' data
  66     if(Conference::getAll().count()) // no conference(s) in the DB
  67     {
  68         int confId = 1;
  69         static_cast<EventModel*>(favTreeView->model())->loadFavEvents(Conference::getById(confId).start(),confId);
  70         favTreeView->reset();
  71     }
  72
  73     if(!Conference::getAll().count()) // no conference(s) in the DB
  74     {
  75         dayNavigator->hide(); // hide DayNavigatorWidget
  76         activityDayNavigator->hide();
  77     }
  78     else
  79     {
  80         int confId = 1;
  81         QDate aStartDate = Conference::getById(confId).start();
  82         QDate aEndDate = Conference::getById(confId).end();
  83         dayNavigator->setDates(aStartDate, aEndDate);
  84         activityDayNavigator->setDates(aStartDate, aEndDate);
  85     }
  86     connect(static_cast<EventModel*>(dayTreeView->model()), SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), SLOT(updateFavView()));
  87     connect(static_cast<EventModel*>(favTreeView->model()), SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), SLOT(updateFavView()));
  88 /*    connect(static_cast<EventModel*>(favTreeView->model()), SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), SLOT(updateFavViewComplete()));*/
  89 }
  90
  91 MainWindow::~MainWindow()
  92 {
  93     if(mSqlEngine)
  94     {
  95         delete mSqlEngine;
  96         mSqlEngine = NULL;
  97     }
  98     if(mXmlParser)
  99     {
 100         delete mXmlParser;
 101         mXmlParser = NULL;
 102     }
 103 }
 104
 105 void MainWindow::importSchedule()
 106 {
 107     QFile file("../schedule.en.xml");
 108     if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
 109     {
 110         QString currPath = QDir::currentPath();
 111         qDebug() << "current path: " << currPath;
 112         qDebug() << "can't open " << file.fileName();
 113         return;
 114     }
 115
 116     QByteArray data = file.readAll();
 117     mXmlParser->parseData(data,mSqlEngine);
 118
 119     if(Conference::getAll().count())
 120     {
 121         int confId = 1;
 122         // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
 123         QDate aStartDate = Conference::getById(confId).start();
 124         QDate aEndDate = Conference::getById(confId).end();
 125         dayNavigator->setDates(aStartDate, aEndDate);
 126         activityDayNavigator->setDates(aStartDate, aEndDate);
 127     }
 128 }
 129
 130 void MainWindow::showParsingProgress(int aStatus)
 131 {
 132     QString msg = QString("Parsing completed: %1\%").arg(aStatus);
 133     statusBar()->showMessage(msg,1000);
 134 }
 135
 136 void MainWindow::aboutApp()
 137 {
 138     QDialog dialog(this);
 139     Ui::AboutDialog ui;
 140     ui.setupUi(&dialog);
 141     dialog.exec();
 142 }
 143
 144 void MainWindow::updateDayView(const QDate &aDate)
 145 {
 146     int confId = 1;
 147     static_cast<EventModel*>(dayTreeView->model())->loadEvents(aDate,confId);
 148     dayTreeView->reset();
 149     dayNavigator->show();
 150 }
 151
 152 void MainWindow::updateFavView()
 153 {
 154     int confId = 1;
 155     static_cast<EventModel*>(favTreeView->model())->loadFavEvents(Conference::getById(confId).start(),confId);
 156     favTreeView->reset(); //Necessary reset:
 157                         //  if favourite event unselected as favourite is the only one in its time, and reset is not produced, crashed
 158
 159     dayNavigator->show();
 160 }
 161
 162 /*
 163 void MainWindow::updateFavViewComplete()
 164 {
 165     int confId = 1;
 166     updateFavView();
 167     updateDayView(Conference::getById(confId).start());
 168 }
 169 */
 170
 171 void MainWindow::updateActivitiesDayView(const QDate &aDate)
 172 {
 173     int confId = 1;
 174     static_cast<EventModel*>(activityDayTreeView->model())->loadEventsByActivities(aDate,confId);
 175     activityDayTreeView->reset();
 176     activityDayNavigator->show();
 177 }