InfoPanel.cpp

   1 #include <QWidget>
   2 #include <QFont>
   3 #include <QNetworkRequest>
   4 #include <QNetworkReply>
   5 #include <QEventLoop>
   6 #include <QPixmap>
   7 #include <QImageReader>
   8 #include "InfoPanel.h"
   9 #include "traces.h"
  10
  11 #define BTN_STYLE "background-color: #333333; color: white;"
  12
  13 #define FONT_SIZE_BOLD      22
  14 #define FONT_SIZE           16
  15 #define STARS_IMG_OFFSET    1520
  16 #define STARS_IMG_HEIGHT    69
  17 #define STARS_IMG_WIDTH     324
  18
  19 #define LABEL_NAME_HEIGHT       37
  20 #define LABEL_ADDR_HEIGHT       30
  21 #define LABEL_PHONE_HEIGHT      30
  22 #define LABEL_IMG_HEIGHT        220
  23 #define LABEL_REVIEWS_HEIGHT    24
  24
  25 InfoPanel::InfoPanel(QWidget *parent, QRect rect):
  26             QWidget(parent),
  27             nameLabel(this, rect),
  28             imageLabel(this, rect),
  29             addressLabel(this, rect),
  30             phoneLabel(this, rect),
  31             imgRatingLabel(this, rect),
  32             nbReviewsLabel(this, rect),
  33             btnsBackground(this, rect),
  34             cancelButton("Cancel", this),
  35             goButton("Go !", this),
  36             networkManager(parent)
  37 {
  38     setGeometry(rect);
  39     setVisible(false);
  40 }
  41
  42 void InfoPanel::populateInfo(Business & business)
  43 {
  44     int y = 0;
  45     QPixmap pixmap;
  46     bool isImageDownloaded = false;
  47     QFont font, fontBold;
  48     QRect rect = this->geometry();
  49
  50     font = nameLabel.font();
  51     font.setPointSize(FONT_SIZE);
  52
  53     fontBold = nameLabel.font();
  54     fontBold.setPointSize(FONT_SIZE_BOLD);
  55     fontBold.setBold(true);
  56
  57     /* Preload image Url: */
  58     TRACE_INFO("Image URL: %s", qPrintable(business.ImageUrl));
  59     QEventLoop eventLoop;
  60     QObject::connect(&networkManager, SIGNAL(finished(QNetworkReply*)), &eventLoop, SLOT(quit()));
  61     QNetworkRequest req(QUrl(business.ImageUrl));
  62     QNetworkReply* reply = networkManager.get(req);
  63
  64     eventLoop.exec(); // wait for answer
  65     if (reply->error() == QNetworkReply::NoError)
  66     {
  67         QByteArray jpegData = reply->readAll();
  68         pixmap.loadFromData(jpegData);
  69         isImageDownloaded = true;
  70     }
  71     networkManager.disconnect();
  72     delete reply;
  73
  74     /* Display Name: */
  75     nameLabel.Init(y, LABEL_NAME_HEIGHT, business.Name, &fontBold);
  76     y += LABEL_NAME_HEIGHT;
  77
  78     /* Display Address: */
  79     addressLabel.Init(y, LABEL_ADDR_HEIGHT,
  80         business.Address+", "+business.City+", "+business.State+" "+business.ZipCode+", "+business.Country,
  81         &font);
  82     y += LABEL_ADDR_HEIGHT;
  83
  84     /* Display phone number: */
  85     phoneLabel.Init(y, LABEL_PHONE_HEIGHT, business.Phone, &font);
  86     y += LABEL_PHONE_HEIGHT;
  87
  88     /* Image Url: */
  89     imageLabel.Init(y, LABEL_IMG_HEIGHT, QString(""));
  90     y += LABEL_IMG_HEIGHT;
  91     if (isImageDownloaded)
  92     {
  93         imageLabel.setPixmap(pixmap.scaled(QSize(rect.width(), LABEL_IMG_HEIGHT-6), Qt::KeepAspectRatio));
  94     }
  95
  96     /* Display number of reviews: */
  97     nbReviewsLabel.Init(y, LABEL_REVIEWS_HEIGHT, QString("Number of reviews : %1").arg(business.ReviewCount), &font);
  98     y += LABEL_REVIEWS_HEIGHT;
  99
 100     /* Rating image: */
 101     QImageReader reader(QString(":/images/stars_map_www.png"));
 102     int RatingImgIndex = (int)((double)business.Rating*2)-1;
 103     if (RatingImgIndex < 0)
 104     {
 105         RatingImgIndex = 0;
 106     }
 107     reader.setClipRect(QRect(0,
 108         STARS_IMG_OFFSET + RatingImgIndex*STARS_IMG_HEIGHT, STARS_IMG_WIDTH, STARS_IMG_HEIGHT));
 109     const QImage image = reader.read();
 110     imgRatingLabel.Init(y, STARS_IMG_HEIGHT, QString(""));
 111     y += STARS_IMG_HEIGHT;
 112     imgRatingLabel.setPixmap(QPixmap::fromImage(image).scaled(QSize(rect.width() / 3, STARS_IMG_HEIGHT), Qt::KeepAspectRatio));
 113
 114     /* Buttons: */
 115     btnsBackground.Init(y, 70, QString(""));
 116     y += 70;
 117
 118     cancelButton.setStyleSheet(BTN_STYLE);
 119     cancelButton.setFont(font);
 120     cancelButton.setMinimumSize(QSize(rect.width()/4, 50));
 121     //cancelButton.setGeometry(QRect(rect.x()+rect.width()/8, rect.y()+y-60, rect.width()/4, 50));
 122     cancelButton.setGeometry(QRect(rect.width()/8, y-60, rect.width()/4, 50));
 123
 124     goButton.setStyleSheet(BTN_STYLE);
 125     goButton.setFont(font);
 126     goButton.setMinimumSize(QSize(rect.width()/4, 50));
 127     goButton.setGeometry(QRect(rect.width()*5/8, y-60, rect.width()/4, 50));
 128 }