src/gui/daynavigatorwidget.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 "daynavigatorwidget.h"
  21
  22 #include <QPainter>
  23 #include <QFontMetrics>
  24 #include <QLabel>
  25
  26 #include <QDebug>
  27
  28 DayNavigatorWidget::DayNavigatorWidget(QWidget *aParent)
  29     : QWidget(aParent)
  30     , mStartDate(QDate())
  31     , mEndDate(QDate())
  32     , mCurDate(QDate())
  33 {
  34     setupUi(this);
  35     connect(prevDayButton, SIGNAL(clicked()), SLOT(prevDayButtonClicked()));
  36     connect(nextDayButton, SIGNAL(clicked()), SLOT(nextDayButtonClicked()));
  37
  38     mFontMetrics = new QFontMetrics(QLabel().font());
  39 }
  40
  41 void DayNavigatorWidget::setDates(const QDate &aStartDate, const QDate &aEndDate)
  42 {
  43     Q_ASSERT(aStartDate<=aEndDate);
  44
  45     mStartDate = aStartDate;
  46     mEndDate = aEndDate;
  47     mCurDate = aStartDate;
  48
  49     // QRect rect = mFontMetrics->boundingRect(mCurDate.toString("MMM dd yyyy"));
  50
  51     if(mStartDate==mEndDate) // only one day conference
  52     {
  53         prevDayButton->setDisabled(true);
  54         nextDayButton->setDisabled(true);
  55         emit(dateChanged(mCurDate));
  56     }
  57     else
  58     {
  59         // at least 2-days conference
  60         prevDayButton->setDisabled(true);
  61         nextDayButton->setDisabled(false);
  62         emit(dateChanged(mCurDate));
  63     }
  64 }
  65
  66 void DayNavigatorWidget::prevDayButtonClicked()
  67 {
  68     if(mCurDate>mStartDate)
  69     {
  70         mCurDate = mCurDate.addDays(-1);
  71         // check start date
  72         if(mCurDate==mStartDate || mStartDate==mEndDate)
  73             prevDayButton->setDisabled(true);
  74         else
  75             prevDayButton->setDisabled(false);
  76         // check end date
  77         if(mCurDate==mEndDate || mStartDate==mEndDate)
  78             nextDayButton->setDisabled(true);
  79         else
  80             nextDayButton->setDisabled(false);
  81
  82         emit(dateChanged(mCurDate));
  83         selectedDate->update();
  84     }
  85 }
  86
  87 void DayNavigatorWidget::nextDayButtonClicked()
  88 {
  89     if(mCurDate<mEndDate)
  90     {
  91         mCurDate = mCurDate.addDays(1);
  92         // check start date
  93         if(mCurDate==mStartDate || mStartDate==mEndDate)
  94             prevDayButton->setDisabled(true);
  95         else
  96             prevDayButton->setDisabled(false);
  97         // check end date
  98         if(mCurDate==mEndDate || mStartDate==mEndDate)
  99             nextDayButton->setDisabled(true);
 100         else
 101             nextDayButton->setDisabled(false);
 102
 103         emit(dateChanged(mCurDate));
 104         selectedDate->update();
 105     }
 106 }
 107
 108 void DayNavigatorWidget::paintEvent(QPaintEvent *aEvent)
 109 {
 110     Q_UNUSED(aEvent);
 111
 112     QString selectedDateStr = mCurDate.toString("MMM dd yyyy");
 113
 114     QPainter painter(this);
 115     painter.save();
 116     QRect r = selectedDate->geometry();
 117     QRect s = mFontMetrics->boundingRect(selectedDateStr);
 118     QPoint p = QPoint(
 119             r.x() + r.width()/2 - s.height()/2 - mFontMetrics->descent(),
 120             - 130
 121             );
 122
 123     painter.translate(r.width()/2, r.height()/2);
 124     painter.rotate(270);
 125     painter.drawText(p.y(), p.x(), selectedDateStr); // y,x,string
 126     painter.restore();
 127 }
 128