protected override string GetUrl()
{
if (this.ID == string.Empty)
{
throw new ArgumentException("ID is empty.", "ID");
}
System.Text.StringBuilder url = new System.Text.StringBuilder();
url.Append("http://");
url.Append("chart.finance.yahoo.com/");
if (this.SimplifiedImage)
{
url.Append("t?");
}
else if (this.ImageSize == ChartImageSize.Small)
{
url.Append("h?");
}
else
{
url.Append("z?");
}
url.Append("s=");
url.Append(MyHelper.CleanYqlParam(FinanceHelper.CleanIndexID(this.ID)));
if (this.SimplifiedImage)
{
url.Append("&width=" + this.ImageWidth.ToString());
url.Append("&height=" + this.ImageHeight.ToString());
}
else if (this.ImageSize != ChartImageSize.Small)
{
url.Append("&t=");
url.Append(FinanceHelper.GetChartTimeSpan(this.TimeSpan));
url.Append("&z=");
url.Append(FinanceHelper.GetChartImageSize(this.ImageSize));
url.Append("&q=");
url.Append(FinanceHelper.GetChartType(this.Type));
url.Append("&l=");
url.Append(FinanceHelper.GetChartScale(this.Scale));
if (this.MovingAverages.Count > 0 | this.ExponentialMovingAverages.Count > 0 | this.TechnicalIndicators.Count > 0)
{
url.Append("&p=");
foreach (MovingAverageInterval ma in this.MovingAverages)
{
url.Append('m');
url.Append(FinanceHelper.GetMovingAverageInterval(ma));
url.Append(',');
}
foreach (MovingAverageInterval ma in this.ExponentialMovingAverages)
{
url.Append('e');
url.Append(FinanceHelper.GetMovingAverageInterval(ma));
url.Append(',');
}
foreach (TechnicalIndicator ti in this.TechnicalIndicators)
{
url.Append(FinanceHelper.GetTechnicalIndicatorsI(ti));
}
}
if (this.TechnicalIndicators.Count > 0)
{
url.Append("&a=");
foreach (TechnicalIndicator ti in this.TechnicalIndicators)
{
url.Append(FinanceHelper.GetTechnicalIndicatorsII(ti));
}
}
if (this.ComparingIDs.Count > 0)
{
url.Append("&c=");
foreach (string csid in this.ComparingIDs)
{
url.Append(MyHelper.CleanYqlParam(FinanceHelper.CleanIndexID(csid)));
url.Append(',');
}
}
if (this.Culture == null)
{
this.Culture = Culture.DefaultCultures.UnitedStates_English;
}
}
url.Append(YahooHelper.CultureToParameters(this.Culture));
return(url.ToString());
}