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     connect(todayButton, SIGNAL(clicked()), SLOT(todayButtonClicked()));
  38
  39     mFontMetrics = new QFontMetrics(QLabel().font());
  40 }
  41
  42 void DayNavigatorWidget::setDates(const QDate &aStartDate, const QDate &aEndDate)
  43 {
  44     Q_ASSERT(aStartDate<=aEndDate);
  45
  46     mStartDate = aStartDate;
  47     mEndDate = aEndDate;
  48     mCurDate = aStartDate;
  49
  50     // QRect rect = mFontMetrics->boundingRect(mCurDate.toString("MMM dd yyyy"));
  51
  52     if(mStartDate==mEndDate) // only one day conference
  53     {
  54         prevDayButton->setDisabled(true);
  55         nextDayButton->setDisabled(true);
  56         emit(dateChanged(mCurDate));
  57     }
  58     else
  59     {
  60         // at least 2-days conference
  61         prevDayButton->setDisabled(true);
  62         nextDayButton->setDisabled(false);
  63         emit(dateChanged(mCurDate));
  64     }
  65 }
  66
  67 void DayNavigatorWidget::configureNavigation()
  68 {
  69     // check start date
  70     if(mCurDate==mStartDate || mStartDate==mEndDate)
  71         prevDayButton->setDisabled(true);
  72     else
  73         prevDayButton->setDisabled(false);
  74     // check end date
  75     if(mCurDate==mEndDate || mStartDate==mEndDate)
  76         nextDayButton->setDisabled(true);
  77     else
  78         nextDayButton->setDisabled(false);
  79 }
  80
  81 void DayNavigatorWidget::prevDayButtonClicked()
  82 {
  83     if(mCurDate>mStartDate)
  84     {
  85         mCurDate = mCurDate.addDays(-1);
  86         configureNavigation();
  87         emit(dateChanged(mCurDate));
  88         selectedDate->update();
  89     }
  90 }
  91
  92 void DayNavigatorWidget::nextDayButtonClicked()
  93 {
  94     if(mCurDate<mEndDate)
  95     {
  96         mCurDate = mCurDate.addDays(1);
  97         configureNavigation();
  98         emit(dateChanged(mCurDate));
  99         selectedDate->update();
 100     }
 101 }
 102
 103 void DayNavigatorWidget::todayButtonClicked()
 104 {
 105     QDate targetDate = QDate::currentDate();
 106     if (targetDate>mStartDate && targetDate<mEndDate)
 107     {
 108         mCurDate = targetDate;
 109         configureNavigation();
 110         emit(dateChanged(mCurDate));
 111         selectedDate->update();
 112     }
 113 }
 114
 115 void DayNavigatorWidget::paintEvent(QPaintEvent *aEvent)
 116 {
 117     Q_UNUSED(aEvent);
 118
 119     QString selectedDateStr = mCurDate.toString("dddd\nyyyy-MM-dd");
 120     QPainter painter(this);
 121     painter.save();
 122     QRect q(y()-height()+16, x(), height(), width()); // today icon size = 32x32
 123     painter.rotate(270);
 124     painter.drawText(q, Qt::AlignCenter, selectedDateStr);
 125     painter.restore();
 126 }
 127