qt/leleja/mytabreportdialog.cpp

   1 #include <iostream>
   2 #include "mytabreportdialog.h"
   3 #include "myrank.h"
   4
   5 #include <QPainter>
   6 #include <QPixmap>
   7 #include <QString>
   8 #include <QTextStream>
   9
  10 MyTabReportDialog::MyTabReportDialog(QWidget *parent)
  11     : QDialog(parent)
  12 {
  13     std::cout << "MyTabReportDialog::MyTabReportDialog()\n";
  14
  15     setupUi(this);
  16
  17     connect(this->unitComboBox, SIGNAL(currentIndexChanged(int )), this, SLOT(updateLineEdits()));
  18
  19     //
  20     pixmapChanged = true;
  21 }
  22
  23 MyTabReportDialog::~MyTabReportDialog()
  24 {
  25     std::cout << "MyTabReportDialog::~MyTabReportDialog()\n";
  26 }
  27
  28 void MyTabReportDialog::paintEvent(QPaintEvent *event)
  29 {
  30     std::cout << "MyTabReportDialog::paintEvent()\n";
  31
  32     if (pixmapChanged == true) {
  33         labelGraphics->setScaledContents(true);
  34         labelGraphics->setPixmap(m_piePixmap);
  35
  36         labelRank->setScaledContents(true);
  37         labelRank->setPixmap(m_rankPixmap);
  38
  39         pixmapChanged = false;
  40     }
  41 }
  42
  43 void MyTabReportDialog::resizeEvent(QResizeEvent *event)
  44 {
  45     std::cout << "MyTabReportDialog::resizeEvent()\n";
  46
  47     emit redrawContent();
  48 }
  49
  50 void MyTabReportDialog::drawMyPie(QPainter *painter)
  51 {
  52     std::cout << "MyTabReportDialog::drawMyPie()\n";
  53
  54     // Days remaining
  55     painter->setBrush(QBrush(Qt::red, Qt::SolidPattern));
  56     painter->drawPie(0, 0,
  57                      labelGraphics->size().width(),
  58                      labelGraphics->size().height(),
  59                      0,
  60                      ((float) m_daysLeft / m_totalDays) * 16 * 360);
  61
  62     // Days off
  63     painter->setBrush(QBrush(Qt::blue, Qt::SolidPattern));
  64     painter->drawPie(0, 0,
  65                      labelGraphics->size().width(),
  66                      labelGraphics->size().height(),
  67                      ((float) m_daysLeft / m_totalDays) * 16 * 360,
  68                      ((float) m_daysOff / m_totalDays) * 16 * 360);
  69
  70     // Days that have been served
  71     painter->setBrush(QBrush(Qt::green, Qt::SolidPattern));
  72     painter->drawPie(0, 0,
  73                      labelGraphics->size().width(),
  74                      labelGraphics->size().height(),
  75                      ((float) (m_daysLeft + m_daysOff) / m_totalDays) * 16 * 360,
  76                      ((float) (m_totalDays - m_daysLeft - m_daysOff) / m_totalDays) * 16 * 360);
  77 }
  78
  79 void MyTabReportDialog::drawMyLegend(QPainter *painter)
  80 {
  81     QString resultStr;
  82     float percentDaysServed;
  83     float percentDaysLeft;
  84     float percentDaysOff;
  85
  86     std::cout << "MyTabReportDialog::drawMyLabel\n";
  87
  88     // Calculate percentages
  89     percentDaysServed = 100.0 * (m_totalDays - m_daysLeft - m_daysOff) / m_totalDays;
  90     percentDaysLeft = 100.0 * m_daysLeft / m_totalDays;
  91     percentDaysOff = 100.0 * m_daysOff / m_totalDays;
  92
  93     // Print percentages into a string using a text stream
  94     QTextStream out(&resultStr);
  95     out.setRealNumberPrecision(3);
  96
  97     out << QString::fromUtf8("Υπηρετήθηκε = ") << percentDaysServed << "%\n";
  98     out << QString::fromUtf8("Και σήμερα = ") << percentDaysLeft << "%\n";
  99     out << QString::fromUtf8("Άδεια = ") << percentDaysOff << "%\n";
 100
 101     // Draw string
 102     painter->setPen(QPen(Qt::white));
 103     painter->drawText(QRect(0, 0,
 104                             labelGraphics->size().width(),
 105                             labelGraphics->size().height()),
 106                       Qt::AlignCenter, resultStr);
 107 }
 108
 109 void MyTabReportDialog::drawMyRank(QPainter *painter)
 110 {
 111     std::cout << "MyTabReportDialog::drawMyRank()\n";
 112
 113     // Load rank image
 114     m_image = QImage(m_rank.getImageFileName());
 115     if (m_image.isNull()) {
 116         std::cout << "MyTabReportDialog::drawMyRank(): the loading of the image failed\n";
 117         // return;
 118     }
 119
 120     // Draw rank image
 121     painter->drawImage(QPoint((labelRank->size().width() - m_image.width()) / 2,
 122                               (labelRank->size().height() - m_image.height()) / 2),
 123                        m_image);
 124 }
 125
 126 void MyTabReportDialog::drawPixmaps(void)
 127 {
 128     // Create the pixmaps
 129     m_piePixmap = QPixmap(labelGraphics->size());
 130     m_rankPixmap = QPixmap(labelRank->size());
 131
 132     m_piePixmap.fill(this, 0, 0);
 133     m_rankPixmap.fill(this, 0, 0);
 134
 135     // Create a QPainter to draw on the pixmap
 136     QPainter piePainter(&m_piePixmap);
 137     QPainter rankPainter(&m_rankPixmap);
 138
 139     // Set the painter's pen and backround to be the same as the parent window
 140     piePainter.initFrom(this);
 141     rankPainter.initFrom(this);
 142
 143     // Enable antialiasing mode
 144     piePainter.setRenderHint(QPainter::Antialiasing, true);
 145     rankPainter.setRenderHint(QPainter::Antialiasing, true);
 146
 147     // Draw pie
 148     drawMyPie(&piePainter);
 149
 150     // Draw label
 151     drawMyLegend(&piePainter);
 152
 153     // Draw rank image
 154     drawMyRank(&rankPainter);
 155
 156     // This function won't invoke an immediate repaint,
 157     // instead it will schedule a paint event that will be processed,
 158     // whenever Qt returns to the main event loop.
 159     update();
 160 }
 161
 162 void MyTabReportDialog::updateLineEdits(void)
 163 {
 164     int currentIndex;
 165
 166     std::cout << "MyTabReportDialog::updateLineEdits()\n";
 167
 168     // Get current selection regarding time unit
 169     currentIndex = unitComboBox->currentIndex();
 170     if (currentIndex == -1) {
 171         // XXX: No current item is set or the combobox is empty
 172         std::cout << "HAHA\n" << std::endl;
 173         return;
 174     }
 175
 176     std::cout << "Current index = " << currentIndex << std::endl;
 177
 178     servedLineEdit->setText(QString::number(getTime(m_totalDays - m_daysLeft - m_daysOff, currentIndex)));
 179     leftLineEdit->setText(QString::number(getTime(m_daysLeft, currentIndex)));
 180     daysoffLineEdit->setText(QString::number(getTime(m_daysOff, currentIndex)));
 181 }
 182
 183 void MyTabReportDialog::setDaysLeft(unsigned int daysLeft)
 184 {
 185     std::cout << "MyTabReportDialog::setDaysLeft()\n";
 186
 187     m_daysLeft = daysLeft;
 188 }
 189
 190 void MyTabReportDialog::setDaysOff(unsigned int daysOff)
 191 {
 192     std::cout << "MyTabReportDialog::setDaysOff()\n";
 193
 194     m_daysOff = daysOff;
 195 }
 196
 197 void MyTabReportDialog::setDaysTotal(unsigned int totalDays)
 198 {
 199     std::cout << "MyTabReportDialog::setDaysTotal()\n";
 200
 201     m_totalDays = totalDays;
 202 }
 203
 204 void MyTabReportDialog::setRank(MyRank rank)
 205 {
 206     std::cout << "MyTabReportDialog::setRank()\n";
 207
 208     m_rank = rank;
 209 }
 210
 211 unsigned int getTime(unsigned int nDays, int toWhat)
 212 {
 213     unsigned int ret;
 214
 215     std::cout << "getTime(): nDays = " << nDays << " toWhat = " << toWhat << "\n";
 216
 217     switch(toWhat) {
 218     case MONTHS:
 219         ret = nDays / 30;
 220         break;
 221     case WEEKS:
 222         ret = nDays / 7;
 223         break;
 224     case DAYS:
 225         ret = nDays;
 226         break;
 227     case HOURS:
 228         ret = nDays * 24;
 229         break;
 230    case MINUTES:
 231         ret = nDays * 24 * 60;
 232         break;
 233     case SECONDS:
 234         ret = nDays * 24 * 60 * 60;
 235         break;
 236     default:
 237         ret = -1;
 238     }
 239
 240     std::cout << "ret = " << ret << std::endl;
 241
 242     return ret;
 243 }