src/gui/daynavigatorwidget.cpp

   1 #include "daynavigatorwidget.h"
   2
   3 #include <QPainter>
   4 #include <QFontMetrics>
   5 #include <QLabel>
   6
   7 #include <QDebug>
   8
   9 DayNavigatorWidget::DayNavigatorWidget(QWidget *aParent)
  10     : QWidget(aParent)
  11     , mStartDate(QDate())
  12     , mEndDate(QDate())
  13     , mCurDate(QDate())
  14 {
  15     setupUi(this);
  16     connect(prevDayButton, SIGNAL(clicked()), SLOT(prevDayButtonClicked()));
  17     connect(nextDayButton, SIGNAL(clicked()), SLOT(nextDayButtonClicked()));
  18
  19     mFontMetrics = new QFontMetrics(QLabel().font());
  20 }
  21
  22 void DayNavigatorWidget::setDates(const QDate &aStartDate, const QDate &aEndDate)
  23 {
  24     Q_ASSERT(aStartDate<=aEndDate);
  25
  26     //qDebug() << "DayNavigatorWidget::setDates(): " << aStartDate << ", " << aEndDate;
  27     mStartDate = aStartDate;
  28     mEndDate = aEndDate;
  29     mCurDate = aStartDate;
  30
  31     QRect rect = mFontMetrics->boundingRect(mCurDate.toString("MMM dd yyyy"));
  32
  33     if(mStartDate==mEndDate) // only one day conference
  34     {
  35         prevDayButton->setDisabled(true);
  36         nextDayButton->setDisabled(true);
  37         emit(dateChanged(mCurDate));
  38     }
  39     else
  40     {
  41         // at least 2-days conference
  42         prevDayButton->setDisabled(true);
  43         nextDayButton->setDisabled(false);
  44         emit(dateChanged(mCurDate));
  45     }
  46 }
  47
  48 void DayNavigatorWidget::prevDayButtonClicked()
  49 {
  50     //qDebug() << mStartDate << ":" << mCurDate << ":" << mEndDate;
  51     if(mCurDate>mStartDate)
  52     {
  53         mCurDate = mCurDate.addDays(-1);
  54         // check start date
  55         if(mCurDate==mStartDate || mStartDate==mEndDate)
  56             prevDayButton->setDisabled(true);
  57         else
  58             prevDayButton->setDisabled(false);
  59         // check end date
  60         if(mCurDate==mEndDate || mStartDate==mEndDate)
  61             nextDayButton->setDisabled(true);
  62         else
  63             nextDayButton->setDisabled(false);
  64
  65         emit(dateChanged(mCurDate));
  66         selectedDate->update();
  67     }
  68 }
  69
  70 void DayNavigatorWidget::nextDayButtonClicked()
  71 {
  72     //qDebug() << mStartDate << ":" << mCurDate << ":" << mEndDate;
  73     if(mCurDate<mEndDate)
  74     {
  75         mCurDate = mCurDate.addDays(1);
  76         // check start date
  77         if(mCurDate==mStartDate || mStartDate==mEndDate)
  78             prevDayButton->setDisabled(true);
  79         else
  80             prevDayButton->setDisabled(false);
  81         // check end date
  82         if(mCurDate==mEndDate || mStartDate==mEndDate)
  83             nextDayButton->setDisabled(true);
  84         else
  85             nextDayButton->setDisabled(false);
  86
  87         emit(dateChanged(mCurDate));
  88         selectedDate->update();
  89     }
  90 }
  91
  92 QDate DayNavigatorWidget::getCurrentDate()
  93 {
  94     return mCurDate;
  95 }
  96
  97 void DayNavigatorWidget::paintEvent(QPaintEvent *aEvent)
  98 {
  99     Q_UNUSED(aEvent);
 100
 101     QString selectedDateStr = mCurDate.toString("MMM dd yyyy");
 102
 103     QPainter painter(this);
 104     painter.save();
 105     QRect r = selectedDate->geometry();
 106     QRect s = mFontMetrics->boundingRect(selectedDateStr);
 107     QPoint p = QPoint(
 108             r.x() + r.width()/2 - s.height()/2 - mFontMetrics->descent(),
 109             - 130
 110             );
 111
 112     painter.translate(r.width()/2, r.height()/2);
 113     painter.rotate(270);
 114     painter.drawText(p.y(), p.x(), selectedDateStr); // y,x,string
 115     painter.restore();
 116 }
 117