forecastdatawidget.cpp

   1 #include "forecastdatawidget.h"
   2
   3 #include "forecastdata.h"
   4 #include "utilities.h"
   5 #include <QHBoxLayout>
   6 #include <QLabel>
   7 #include <QResizeEvent>
   8 #include <QTimer>
   9
  10 #include <QtDebug>
  11
  12 #define FORECAST_DAYS 3
  13
  14 /***********************************************************************************************************
  15 * ForecastDataWidget
  16 *   Widget that groups together the rows of forecast data for easy display in a grid layout. Handles display
  17 *   of a ForecastData list in a QGridLayout
  18 ************************************************************************************************************/
  19
  20 ForecastDataWidget::ForecastDataWidget(QWidget *parent) :
  21     QWidget(parent)
  22 {
  23     m_globalSettings = GlobalSettings::getInstance();
  24     widgetLayout = new QGridLayout ;
  25
  26     for(int a = 0;a<FORECAST_DAYS;a++)
  27     {
  28         m_forecastDataWidgetGroup[a].highTemp = new QLabel("");
  29         m_forecastDataWidgetGroup[a].lowTemp = new QLabel("");
  30         m_forecastDataWidgetGroup[a].day = new QLabel("");
  31         m_forecastDataWidgetGroup[a].iconHolderLabel= new QLabel();
  32         m_forecastDataWidgetGroup[a].iconPixmap = new QPixmap();
  33         //m_forecastDataWidgetGroup[a].iconHolderLabel->setPixmap(*m_forecastDataWidgetGroup[a].iconPixmap);
  34
  35         m_forecastDataWidgetGroup[a].day->setMargin(0);
  36
  37         m_forecastDataWidgetGroup[a].highTemp->setMargin(0);
  38         m_forecastDataWidgetGroup[a].lowTemp->setMargin(0);
  39         m_forecastDataWidgetGroup[a].iconHolderLabel->setMargin(0);
  40
  41         widgetLayout->addWidget(m_forecastDataWidgetGroup[a].day, a, 0);
  42
  43         widgetLayout->addWidget(m_forecastDataWidgetGroup[a].iconHolderLabel, a, 1);
  44         widgetLayout->addWidget(m_forecastDataWidgetGroup[a].lowTemp, a, 2);
  45
  46         widgetLayout->addWidget(m_forecastDataWidgetGroup[a].highTemp, a, 3);
  47
  48     }
  49
  50     widgetLayout->setHorizontalSpacing(0);
  51     widgetLayout->setVerticalSpacing(0);
  52     widgetLayout->setMargin(0);
  53
  54
  55     widgetLayout->setContentsMargins(0,0,0,0);
  56
  57     QHBoxLayout* l = new QHBoxLayout;
  58     l->setSpacing(0);
  59     l->setContentsMargins(0,0,0,0);
  60     l->addLayout(widgetLayout);
  61
  62     setStyleSheet("color:#ffffff;background-color: none;padding:0px;spacing:0px;");
  63     setLayout(l);
  64     QTimer::singleShot(0, this, SLOT(scaleContents()));
  65
  66 }
  67
  68 //FUNCTION: setData
  69 //
  70 //  A setter function that gives the widget the data list obtained from the web
  71 //
  72
  73 void ForecastDataWidget::setData(QList<ForecastData *> data)
  74 {
  75     m_data = data;
  76 }
  77
  78 //FUNCTION::updateData()
  79 //
  80 //  Slot that updates all displayed values. Useful for unit changes, and invokes scale contents afterwards
  81 void ForecastDataWidget::updateData()
  82 {
  83     for(int a = 0;a<FORECAST_DAYS && a<m_data.size();a++)
  84     {
  85         m_forecastDataWidgetGroup[a].highTemp->setText(formatTemperatureString(m_data[a]->highTemp(), m_globalSettings->temperatureFormat()));
  86         m_forecastDataWidgetGroup[a].lowTemp->setText(formatTemperatureString(m_data[a]->lowTemp(), m_globalSettings->temperatureFormat()));
  87         m_forecastDataWidgetGroup[a].day->setText(m_data[a]->day());
  88         m_forecastDataWidgetGroup[a].iconPixmap->load(iconNameToPixmap(m_data[a]->icon()));
  89     }
  90     QTimer::singleShot(0, this, SLOT(scaleContents()));
  91 }
  92
  93 //FUNCTION: scaleContents
  94 //
  95 //  Slot that scales the size of every widget contained within the layout to a satisfactory size based on available space.
  96 //
  97
  98 void ForecastDataWidget::scaleContents()
  99 {
 100     //scale factor is calculated by inverting the number of rows times a scale factor (for some breathing room) and then multiplying by
 101     //the total height of the widget (giving each row that proportion of the total space)
 102     int scaleFactor =(1/(FORECAST_DAYS*1.1))*this->height();
 103
 104     for(int a = 0;a<FORECAST_DAYS && a<m_data.size();a++)
 105     {
 106         m_forecastDataWidgetGroup[a].highTemp->setStyleSheet("font-size:"+QString::number((int)(0.50*scaleFactor))+"px;");
 107         m_forecastDataWidgetGroup[a].lowTemp->setStyleSheet("font-size:"+QString::number((int)(0.50*scaleFactor))+"px;");
 108         m_forecastDataWidgetGroup[a].day->setStyleSheet("font-size:"+QString::number((int)(.50*scaleFactor))+"px;");
 109         m_forecastDataWidgetGroup[a].iconHolderLabel->setPixmap(m_forecastDataWidgetGroup[a].iconPixmap->scaledToHeight(.9*scaleFactor));
 110     }
 111
 112 }
 113
 114 //FUNCTION: iconNameToPixmap
 115 //
 116 //  Helper function that converts the weather related icon name given from the web to a relevant resource
 117 //
 118
 119 QString ForecastDataWidget::iconNameToPixmap(QString icon)
 120 {
 121
 122     if (icon == "partlysunny" || icon == "mostlycloudy" ) {
 123         return ":Images/weather-few-clouds.png";
 124     }
 125     else if (icon == "fog") {
 126         return ":Images/weather-fog.png";
 127     }
 128     else if (icon == "hazy") {
 129         return ":Images/weather-haze.png";
 130     }
 131     else if (icon == "cloudy") {
 132         return ":Images/weather-overcast.png";
 133     }
 134     else if (icon == "rain" || icon == "chancerain") {
 135         return ":Images/weather-showers.png";
 136     }
 137     else if (icon == "sleet" || icon == "chancesleet") {
 138         return ":Images/weather-sleet.png";
 139     }
 140     else if (icon == "flurries" || icon == "snow" ||
 141               icon == "chanceflurries" || icon == "chancesnow") {
 142         return ":Images/weather-snow.png";
 143     }
 144     else if (icon == "clear" || icon == "sunny") {
 145         return ":Images/weather-sunny.png";
 146     }
 147     else if (icon == "mostlysunny" || icon == "partlycloudy" ||
 148              icon == "unknown") {
 149         return ":Images/weather-sunny-very-few-clouds.png";
 150     }
 151     else if (icon == "tstorms" || icon == "chancetstorms") {
 152         return ":Images/weather-thundershower.png";
 153     }
 154     else
 155         return":Images/weather-sunny-very-few-clouds.png";
 156
 157 }
 158
 159 QVariantHash ForecastDataWidget::getCurrentData()
 160 {
 161     QVariantHash data;
 162     if(m_data.size()>0)
 163     {
 164         for(int a = 0;a<m_data.size();a++)
 165         {
 166             ForecastData* forecastData = m_data.at(a);
 167             QVariantHash forecastDataHash;
 168             forecastDataHash.insert("day", forecastData->day());
 169             forecastDataHash.insert("high", formatTemperatureString(m_data[a]->highTemp(), m_globalSettings->temperatureFormat()));
 170             forecastDataHash.insert("low", formatTemperatureString(m_data[a]->lowTemp(), m_globalSettings->temperatureFormat()));
 171             forecastDataHash.insert("image", iconNameToPixmap(forecastData->icon()).mid(1));
 172             data.insert("day"+QString::number(a), forecastDataHash);
 173         }
 174     }
 175     return data;
 176 }