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