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     qDebug() << mCurDate.toString();
  33
  34     if(mStartDate==mEndDate) // only one day conference
  35     {
  36         prevDayButton->setDisabled(true);
  37         nextDayButton->setDisabled(true);
  38         emit(dateChanged(mCurDate));
  39     }
  40     else
  41     {
  42         // at least 2-days conference
  43         prevDayButton->setDisabled(true);
  44         nextDayButton->setDisabled(false);
  45         emit(dateChanged(mCurDate));
  46     }
  47 }
  48
  49 void DayNavigatorWidget::prevDayButtonClicked()
  50 {
  51     //qDebug() << mStartDate << ":" << mCurDate << ":" << mEndDate;
  52     if(mCurDate>mStartDate)
  53     {
  54         mCurDate = mCurDate.addDays(-1);
  55         // check start date
  56         if(mCurDate==mStartDate || mStartDate==mEndDate)
  57             prevDayButton->setDisabled(true);
  58         else
  59             prevDayButton->setDisabled(false);
  60         // check end date
  61         if(mCurDate==mEndDate || mStartDate==mEndDate)
  62             nextDayButton->setDisabled(true);
  63         else
  64             nextDayButton->setDisabled(false);
  65
  66         emit(dateChanged(mCurDate));
  67         selectedDate->update();
  68     }
  69 }
  70
  71 void DayNavigatorWidget::nextDayButtonClicked()
  72 {
  73     //qDebug() << mStartDate << ":" << mCurDate << ":" << mEndDate;
  74     if(mCurDate<mEndDate)
  75     {
  76         mCurDate = mCurDate.addDays(1);
  77         // check start date
  78         if(mCurDate==mStartDate || mStartDate==mEndDate)
  79             prevDayButton->setDisabled(true);
  80         else
  81             prevDayButton->setDisabled(false);
  82         // check end date
  83         if(mCurDate==mEndDate || mStartDate==mEndDate)
  84             nextDayButton->setDisabled(true);
  85         else
  86             nextDayButton->setDisabled(false);
  87
  88         emit(dateChanged(mCurDate));
  89         selectedDate->update();
  90     }
  91 }
  92
  93 QDate DayNavigatorWidget::getCurrentDate()
  94 {
  95     return mCurDate;
  96 }
  97
  98 void DayNavigatorWidget::paintEvent(QPaintEvent *aEvent)
  99 {
 100     QString selectedDateStr = mCurDate.toString("MMM dd yyyy");
 101
 102     QPainter painter(this);
 103     painter.save();
 104     QRect r = selectedDate->geometry();
 105     QRect s = mFontMetrics->boundingRect(selectedDateStr);
 106     QPoint p = QPoint(
 107             r.x() + r.width()/2 - s.height()/2 - mFontMetrics->descent(),
 108             - 130
 109             );
 110
 111     painter.translate(r.width()/2, r.height()/2);
 112     painter.rotate(270);
 113     painter.drawText(p.y(), p.x(), selectedDateStr); // y,x,string
 114     painter.restore();
 115 }
 116