public ForecastViewModel()
{
if (DesignerProperties.IsInDesignTool)
{
CurrentForecastData = new ForecastData
{
Temperature = "20",
Rain = "0",
CI = "舒適",
WeatherIcon = "Weather02.bmp",
Wx = "短暫雨"
};
WeatherIcon = "Weather02.bmp";
MaxT = "28";
MinT = "17";
}
}
public void UpdateFromXml()
{
if (mForecastCity == null || mForecastTown == null)
return;
mForecastData = GetLatestForecastFromXML();
if (mForecastData != null)
UpdateTile(mForecastCity.Name + mForecastTown.Name);
}
public void Get72HrForecastFromXML()
{
StreamReader streamReader = Utils.readXML(Utils.GetXmlFileName(Navigation.ForecastCity, XML_72HR_POSTFIX));
if (streamReader == null)
{
return;
}
XDocument loadedData = XDocument.Load(streamReader);
streamReader.Close();
streamReader.Dispose();
var timeData12hr = from c1 in loadedData.Descendants("Time")
where c1.Attribute("slice").Value == "12"
from c2 in c1.Descendants("FcstTime")
select (string)c2;
var timeData3hr = from c1 in loadedData.Descendants("Time")
where c1.Attribute("slice").Value == "3"
from c2 in c1.Descendants("FcstTime")
select (string)c2;
var forecastData12hr = from c1 in loadedData.Descendants("Area")
where c1.Attribute("AreaID").Value == Navigation.ForecastCity.ID
from c2 in c1.Descendants("Value")
where c2.Attribute("layout").Value == "12"
select new ForecastData
{
Temperature = (string)c2.Element("Temperature"),
Wx = (string)c2.Element("Wx"),
WeatherDes = (string)c2.Element("WeatherDes"),
WeatherIcon = (string)c2.Element("WeatherIcon"),
RH = (string)c2.Element("RH"),
Rain = (string)c2.Element("PoP"),
WindSpeed = (string)c2.Element("WindSpeed"),
WindDir = (string)c2.Element("WindDir"),
MinCI = (string)c2.Element("MinCI"),
MaxCI = (string)c2.Element("MaxCI"),
MinT = (string)c2.Element("MinT"),
MaxT = (string)c2.Element("MaxT"),
WindLevel = (string)c2.Element("WindLevel")
};
IList<ForecastData> forecast12hrDataList = forecastData12hr.ToList();
for (int i = 0; i < forecast12hrDataList.Count; i++)
{
forecast12hrDataList[i].Time = timeData12hr.ElementAt(i);
}
var forecastData3hr = from c1 in loadedData.Descendants("Area")
where c1.Attribute("AreaID").Value == Navigation.ForecastCity.ID
from c2 in c1.Descendants("Value")
where c2.Attribute("layout").Value == "3"
select new ForecastData
{
Temperature = (string)c2.Element("Temperature"),
Wx = (string)c2.Element("Wx"),
WeatherDes = (string)c2.Element("WeatherDes"),
WeatherIcon = (string)c2.Element("WeatherIcon"),
RH = (string)c2.Element("RH"),
Rain = (string)c2.Element("PoP"),
WindSpeed = (string)c2.Element("WindSpeed"),
WindDir = (string)c2.Element("WindDir"),
CI = (string)c2.Element("CI"),
MinCI = (string)c2.Element("MinCI"),
MaxCI = (string)c2.Element("MaxCI"),
MinT = (string)c2.Element("MinT"),
MaxT = (string)c2.Element("MaxT"),
WindLevel = (string)c2.Element("WindLevel")
};
IList<ForecastData> forecast3hrDataList = forecastData3hr.ToList();
for (int i = 0; i < forecast3hrDataList.Count; i++)
{
forecast3hrDataList[i].Time = timeData3hr.ElementAt(i);
}
m72hrForecastData = null;
ForecastData currentData3hr = null;
ForecastData currentData12hr = null;
foreach (ForecastData data in forecast3hrDataList)
{
if (Convert.ToDateTime(data.Time).CompareTo(DateTime.Now) > 0)
{
currentData3hr = data;
break;
}
}
foreach (ForecastData data in forecast12hrDataList)
{
if (Convert.ToDateTime(data.Time).CompareTo(DateTime.Now) > 0)
{
currentData12hr = data;
break;
}
}
if (currentData3hr != null && currentData12hr != null)
{
m72hrForecastData = new ForecastData
{
Temperature = currentData3hr.Temperature,
Wx = currentData3hr.Wx,
WeatherDes = currentData3hr.WeatherDes,
WeatherIcon = currentData3hr.WeatherIcon,
RH = currentData3hr.RH,
Rain = currentData12hr.Rain,
WindSpeed = currentData3hr.WindSpeed,
WindDir = currentData3hr.WindDir,
CI = currentData3hr.CI,
MinCI = currentData12hr.MinCI,
MaxCI = currentData12hr.MaxCI,
MinT = currentData12hr.MinT,
MaxT = currentData12hr.MaxT,
Time = currentData12hr.Time
};
}
}