/// <summary>
/// Builds the Google Analytics JavaScript block.
/// </summary>
/// <returns>Google Analytics JavaScript block.</returns>
private string GetGoogleAnalyticsJavaScript()
{
if (_googleAnalyticsJavaScript.Length == 0)
{
ValidatePropertySettings();
StringBuilder bldr = new StringBuilder();
bldr.AppendLine(@"<script type=" + Quote + "text/javascript" + Quote + ">");
bldr.AppendLine(@" var _gaq = _gaq || [];");
bldr.AppendLine(@" _gaq.push(['_setAccount', '" + AccountId + "']);");
if (DomainOption.Equals(DomainOptions.SingleDomainMultipleSubDomains))
{
bldr.AppendLine(@" _gaq.push(['_setDomainName', '" + DomainName + "']);");
}
else if (DomainOption.Equals(DomainOptions.MultipleTopLevelDomains))
{
bldr.AppendLine(@" _gaq.push(['_setDomainName', 'none']);");
bldr.AppendLine(@" _gaq.push(['_setAllowLinker', true]);");
}
bldr.AppendLine(@" _gaq.push(['_trackPageview']);");
bldr.AppendLine(@" (function() {");
bldr.AppendLine(@" var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;");
bldr.AppendLine(@" ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';");
bldr.AppendLine(@" var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);");
bldr.AppendLine(@" })();");
bldr.AppendLine(@"</script>");
lock (_lockObject) { _googleAnalyticsJavaScript = bldr.ToString(); }
}
return(_googleAnalyticsJavaScript);
}
/// <summary>
/// Validates control's property settings to ensure proper configuration.
/// </summary>
private void ValidatePropertySettings()
{
if (AccountId.Length == 0)
{
throw new ArgumentException(Exceptions.GoogleAnalytics_AccountIdNullOrEmpty);
}
if (!DomainOptions.ValidOptions.Contains(DomainOption))
{
throw new ArgumentException(Exceptions.GoogleAnalytics_DomainOptionInvalid);
}
if (DomainOption.Equals(DomainOptions.SingleDomainMultipleSubDomains))
{
if (DomainName.Length == 0)
{
throw new ArgumentException(Exceptions.GoogleAnalytics_DomainNameMissing);
}
}
}
