git.maemo.org Git - weightgraph/blob - weightgraph/weightstatsview.cpp

   1 #include "weightstatsview.h"
   2 #include "settings.h"
   3 #include <QVBoxLayout>
   4 #include <QGroupBox>
   5
   6 #include <QDebug>
   7
   8 WeightStatsView::WeightStatsView(WeightDataModel *wdm, QWidget *parent) :
   9   QWidget(parent), wdm(wdm)
  10 {
  11   connect(wdm, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
  12           this, SLOT(updateStats()));
  13   connect(wdm, SIGNAL(rowsInserted(const QModelIndex&,int,int)),
  14           this, SLOT(updateStats()));
  15   connect(wdm, SIGNAL(rowsRemoved(const QModelIndex&,int,int)),
  16           this, SLOT(updateStats()));
  17   connect(Settings::self(), SIGNAL(settingChanged()),
  18           this, SLOT(updateStats()));
  19
  20   QVBoxLayout *lo = new QVBoxLayout(this);
  21
  22   last = new QLabel(this);
  23   lo->addWidget(last);
  24
  25   change = new QLabel(this);
  26   lo->addWidget(change);
  27
  28   updateStats();
  29 }
  30
  31 static const char* wdays[] = {"Monday", "Tuesday", "Wednesday", "Thursday",
  32                               "Friday", "Saturday", "Sunday"};
  33 QString dateString(QDate date)
  34 {
  35   int days = date.daysTo(QDate::currentDate());
  36   if (days < 0)
  37     return date.toString(Qt::ISODate);
  38   else if (days == 0)
  39     return "Today";
  40   else if (days == 1)
  41     return "Yesterday";
  42   else if (days < 7)
  43     // return date.toString("dddd"); (Use this with l10n!)
  44     // The following is used because the system locale might not be English
  45     return wdays[date.dayOfWeek()-1];
  46   else
  47     return date.toString(Qt::ISODate);
  48 }
  49
  50 QString dateIntervalString(int days)
  51 {
  52   if (days < 30)
  53     return QString("%1 days").arg(days);
  54   else if (days < 360)
  55     return QString("%1m %2d").arg(days/30).arg(days%30);
  56   else if (days < 365)
  57     return QString("1y 0m");
  58   else
  59     return QString("%1y %2m").arg(days/365).arg((days%365)/30);
  60 }
  61
  62 void WeightStatsView::updateStats()
  63 {
  64   if (wdm->size() == 0) {
  65     last->setText("Last: No data");
  66     change->setText("Change: No data");
  67     return;
  68   }
  69   QString unit = Settings::weightUnit();
  70   const DW &f = wdm->getWeights().first();
  71   const DW &l = wdm->getWeights().last();
  72   last->setText(tr("Last: %1 %2\n     (%3)")
  73                 .arg(l.weight,0,'f',1)
  74                 .arg(unit)
  75                 .arg(dateString(l.date)));
  76   change->setText(tr("Change: %1 %2\n"
  77                      "     (in %3)")
  78                   .arg(l.weight-f.weight,0,'f',1)
  79                   .arg(unit)
  80                   .arg(dateIntervalString(f.date.daysTo(l.date))));
  81 }