src/mvc/treeview.cpp

   1 /*
   2  * Copyright (C) 2010 Ixonos Plc.
   3  * Copyright (C) 2011 Philipp Spitzer, gregor herrmann
   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 <QMouseEvent>
  21
  22 #include "treeview.h"
  23 #include "delegate.h"
  24 #include "event.h"
  25 #include "conference.h"
  26 #include "eventmodel.h"
  27
  28 #ifdef MAEMO
  29 #include <alarm.h>
  30 #endif
  31
  32 #include <QDebug>
  33
  34 TreeView::TreeView(QWidget *aParent)
  35     : QTreeView(aParent)
  36 {
  37     connect(this, SIGNAL(clicked(QModelIndex)), SLOT(handleItemClicked(QModelIndex)));
  38 }
  39
  40 void TreeView::mouseReleaseEvent(QMouseEvent *aEvent)
  41 {
  42     QModelIndex index = currentIndex();
  43     QPoint point = aEvent->pos();
  44
  45     // test whether we have handled the mouse event
  46     if(!testForControlClicked(index,point))
  47     {
  48         // pass the event to the Base class, so item clicks/events are handled correctly
  49         QTreeView::mouseReleaseEvent(aEvent);
  50     }
  51 }
  52
  53 // returns bool if some Control was clicked
  54 bool TreeView::testForControlClicked(const QModelIndex &aIndex, const QPoint &aPoint)
  55 {
  56     bool handled = false;
  57
  58     if(!aIndex.isValid())
  59         return handled;
  60
  61     int confId = Conference::activeConference();
  62     // QRect rect = visualRect(aIndex); // visual QRect of selected/clicked item in the list
  63     Delegate *delegate = static_cast<Delegate*>(itemDelegate(aIndex));
  64     switch(delegate->whichControlClicked(aIndex,aPoint))
  65     {
  66         case Delegate::FavouriteControlOn:
  67         case Delegate::FavouriteControlOff:
  68             {
  69                 // handle Favourite Control clicked
  70                 Event event = Event::getById(aIndex.data().toInt(),confId);
  71
  72                 QList<Event> conflicts = Event::conflictEvents(event.id(),Conference::activeConference());
  73                 if(event.isFavourite())
  74                     event.setFavourite(false);
  75                 else
  76                     event.setFavourite(true);
  77                 event.update("favourite");
  78
  79                 if(event.isFavourite())
  80                 {
  81                     // event has became 'favourite' and so 'conflicts' list may have changed
  82                     conflicts = Event::conflictEvents(event.id(),Conference::activeConference());
  83                 }
  84
  85                 // have to emit 'eventHasChanged' signal on all events in conflict
  86                 for(int i=0; i<conflicts.count(); i++)
  87                     emit(eventHasChanged(conflicts[i].id()));
  88
  89                 // since the Favourite icon has changed, update TreeViews accordingly
  90                 // all TreeViews have to listen on this signal
  91                 emit(eventHasChanged(event.id(),true));
  92
  93                 handled = true;
  94             }
  95             break;
  96         case Delegate::AlarmControlOn:
  97         case Delegate::AlarmControlOff:
  98             {
  99                 // handle Alarm Control clicked
 100                 Event event = Event::getById(aIndex.data().toInt(),confId);
 101                 if(event.hasAlarm())
 102                 {
 103                     event.setHasAlarm(false); // update DB
 104 #ifdef MAEMO
 105                     // remove alarm from the 'alarmd' alrms list
 106                     Alarm alarm;
 107                     alarm.deleteAlarm(event.id());
 108                     // TODO: test if removing was successfull
 109 #endif /* MAEMO */
 110                 }
 111                 else
 112                 {
 113                     event.setHasAlarm(true);
 114 #ifdef MAEMO
 115                     // add alarm to the 'alarmd'
 116                     Alarm alarm;
 117                     //int cookie = alarm.addAlarm(event.id(),QDateTime::currentDateTime().addSecs(10)); // testing
 118                     int cookie = alarm.addAlarm(event.id(),event.start().addSecs(-15*60)); // 15 minutes before real start
 119 #endif /* MAEMO */
 120                 }
 121                 event.update("alarm");
 122                 // since the Alarm icon has changed, update TreeView accordingly
 123                 // all TreeViews have to listen on this signal
 124                 emit(eventHasChanged(event.id()));
 125                 handled = true;
 126             }
 127             break;
 128         case Delegate::MapControl:
 129             {
 130                 // handle Alarm Control clicked
 131                 emit(requestForMap(aIndex));
 132                 handled = true;
 133             }
 134         break;
 135         case Delegate::WarningControl:
 136         {
 137
 138             emit(requestForConflicts(aIndex));
 139             handled = true;
 140         }
 141         break;
 142         case Delegate::ControlNone:
 143         default:
 144             {
 145                 // item was clicked, but not a control
 146                 handled = false;
 147             }
 148     };
 149
 150     return handled;
 151 }
 152
 153 void TreeView::handleItemClicked(const QModelIndex &index)
 154 {
 155     if(!index.parent().isValid()) // time-group
 156     {
 157         if(isExpanded(index))
 158             setExpanded(index, false);
 159         else
 160             setExpanded(index, true);
 161     }
 162 }
 163
 164 void TreeView::setAllExpanded(bool aExpanded)
 165 {
 166     for(int i=0; i<model()->rowCount(QModelIndex()); i++)
 167     {
 168         setExpanded(model()->index(i,0,QModelIndex()),aExpanded);
 169     }
 170 }
 171