src/mvc/treeview.cpp

   1 #include <QMouseEvent>
   2
   3 #include "treeview.h"
   4 #include "delegate.h"
   5 #include "event.h"
   6 #include "eventmodel.h"
   7
   8 #ifdef MAEMO
   9 #include <alarm.h>
  10 #endif
  11
  12 #include <QDebug>
  13
  14 TreeView::TreeView(QWidget *aParent)
  15     : QTreeView(aParent)
  16 {
  17     connect(this, SIGNAL(clicked(QModelIndex)), SLOT(handleItemClicked(QModelIndex)));
  18 }
  19
  20 void TreeView::mouseReleaseEvent(QMouseEvent *aEvent)
  21 {
  22     QModelIndex index = currentIndex();
  23     QPoint point = aEvent->pos();
  24
  25     // test whether we have handled the mouse event
  26     if(!testForControlClicked(index,point))
  27     {
  28         // pass the event to the Base class, so item clicks/events are handled correctly
  29         QTreeView::mouseReleaseEvent(aEvent);
  30     }
  31 }
  32
  33 // returns bool if some Control was clicked
  34 bool TreeView::testForControlClicked(const QModelIndex &aIndex, const QPoint &aPoint)
  35 {
  36     bool handled = false;
  37
  38     if(!aIndex.isValid())
  39         return handled;
  40
  41     QRect rect = visualRect(aIndex); // visual QRect of selected/clicked item in the list
  42     Delegate *delegate = static_cast<Delegate*>(itemDelegate(aIndex));
  43     switch(delegate->whichControlClicked(aIndex,aPoint))
  44     {
  45         case Delegate::FavouriteControlOn:
  46         case Delegate::FavouriteControlOff:
  47             {
  48                 // handle Favourite Control clicked
  49                 Event event = Event::getById(aIndex.data().toInt(),1);
  50                 if(event.isFavourite())
  51                     event.setFavourite(false);
  52                 else
  53                     event.setFavourite(true);
  54                 event.update("favourite");
  55                 qDebug() << " FAVOURITE [" << qVariantValue<QString>(aIndex.data()) << "] -> " << event.isFavourite();
  56                 // since the Favourite icon has changed, update TreeViews accordingly
  57                 // all TreeViews have to listen on this signal
  58                 emit(eventHasChanged(event.id()));
  59                 handled = true;
  60             }
  61             break;
  62         case Delegate::AlarmControlOn:
  63         case Delegate::AlarmControlOff:
  64             {
  65                 // handle Alarm Control clicked
  66                 Event event = Event::getById(aIndex.data().toInt(),1);
  67                 if(event.hasAlarm())
  68                 {
  69                     event.setHasAlarm(false); // update DB
  70 #ifdef MAEMO
  71                     // remove alarm from the 'alarmd' alrms list
  72                     Alarm alarm;
  73                     alarm.deleteAlarm(event.id());
  74                     // TODO: test if removing was successfull
  75 #endif /* MAEMO */
  76                 }
  77                 else
  78                 {
  79                     event.setHasAlarm(true);
  80 #ifdef MAEMO
  81                     // add alarm to the 'alarmd'
  82                     Alarm alarm;
  83                     int cookie = alarm.addAlarm(event.id(),QDateTime::currentDateTime().addSecs(10));
  84                     qDebug() << "cookie: " << cookie;
  85 #endif /* MAEMO */
  86                 }
  87                 event.update("alarm");
  88                 qDebug() << " ALARM [" << qVariantValue<QString>(aIndex.data()) << "] -> " << event.hasAlarm();
  89                 // since the Alarm icon has changed, update TreeView accordingly
  90                 // all TreeViews have to listen on this signal
  91                 emit(eventHasChanged(event.id()));
  92                 handled = true;
  93             }
  94             break;
  95         case Delegate::MapControl:
  96             {
  97                 // handle Alarm Control clicked
  98                 qDebug() << "MAP CLICKED: " << qVariantValue<QString>(aIndex.data());
  99                 emit(requestForMap(aIndex));
 100                 handled = true;
 101             }
 102         break;
 103         case Delegate::WarningControl:
 104         {
 105
 106             qDebug() << "WARNING CLICKED: " << qVariantValue<QString>(aIndex.data());
 107             // TODO: implement
 108             emit(requestForWarning(aIndex));
 109             handled = true;
 110         }
 111         break;
 112         case Delegate::ControlNone:
 113         default:
 114             {
 115                 // item was clicked, but not a control
 116                 handled = false;
 117             }
 118     };
 119
 120     return handled;
 121 }
 122
 123 void TreeView::handleItemClicked(const QModelIndex &index)
 124 {
 125     if(!index.parent().isValid()) // time-group
 126     {
 127         if(isExpanded(index))
 128             setExpanded(index, false);
 129         else
 130             setExpanded(index, true);
 131     }
 132 }
 133
 134 void TreeView::setAllExpanded(bool aExpanded)
 135 {
 136     for(int i=0; i<model()->rowCount(QModelIndex()); i++)
 137     {
 138         setExpanded(model()->index(i,0,QModelIndex()),aExpanded);
 139     }
 140 }
 141