object IExpressionBuilderProvider.Evaluate(NameValueCollection arguments, Type controlType, string propertyName, string expressionPrefix)
{
if (string.IsNullOrEmpty(arguments.GetValueByIndexOrName(0, "Name")))
{
ThrowArgumentException(propertyName, expressionPrefix, "Name={setting name} [, Default={default text}] [, Format={format string}] [, Portal={portal name}] [, CdnSettingName={setting name}]");
}
// retrieve the site setting value
var settingName = arguments.GetValueByIndexOrName(0, "Name");
var defaultValue = arguments.GetValueByIndexOrName(1, "Default") ?? string.Empty;
var format = arguments.GetValueByIndexOrName(2, "Format");
var settings = new SettingDataAdapter(new PortalConfigurationDataAdapterDependencies(), HttpContext.Current.GetWebsite());
var selected = settings.Select(settingName);
var setting = selected == null ? null : selected.Entity;
var returnType = GetReturnType(controlType, propertyName);
if (returnType.IsA(typeof(Entity)))
{
return(setting);
}
var url = setting == null
? defaultValue
: GetEvalData(setting, "adx_value", null, format, returnType) as string;
if (string.IsNullOrEmpty(url) || !url.Contains("~/cdn/"))
{
return(url);
}
// retrieve the CDN hostname value
var cdnSettingName = arguments.GetValueByIndexOrName(4, "CdnSettingName") ?? "/url/cdn";
selected = settings.Select(cdnSettingName);
var cdnSetting = selected == null ? null : selected.Entity;
if (cdnSetting == null)
{
return(url);
}
// combine the two values
var cdnFormat = url.Replace("~/cdn/", "{0}/");
return(GetEvalData(cdnSetting, "adx_value", null, cdnFormat, returnType));
}
object IExpressionBuilderProvider.Evaluate(NameValueCollection arguments, Type controlType, string propertyName, string expressionPrefix)
{
if (string.IsNullOrEmpty(arguments.GetValueByIndexOrName(0, "Name")))
{
ThrowArgumentException(propertyName, expressionPrefix, "Name={setting name} [, Default={default text}] [, Format={format string}] [, Portal={portal name}]");
}
var settingName = arguments.GetValueByIndexOrName(0, "Name");
var defaultString = arguments.GetValueByIndexOrName(1, "Default") ?? string.Empty;
var format = arguments.GetValueByIndexOrName(2, "Format");
var returnType = GetReturnType(controlType, propertyName);
var settings = new SettingDataAdapter(new PortalConfigurationDataAdapterDependencies(), HttpContext.Current.GetWebsite());
var selected = settings.Select(settingName);
var setting = selected == null ? null : selected.Entity;
if (returnType.IsA(typeof(Entity)))
{
return(setting);
}
if (returnType.IsA(typeof(EntityReference)))
{
return(setting == null ? null : setting.ToEntityReference());
}
var value = setting == null ? null : setting.GetAttributeValue <string>("adx_value");
object returnValue;
if (returnType == typeof(String) && !string.IsNullOrWhiteSpace(value) && !string.IsNullOrWhiteSpace(format))
{
returnValue = string.Format(CultureInfo.InvariantCulture, format, value);
return(returnValue);
}
if (string.IsNullOrWhiteSpace(value))
{
value = defaultString;
}
if (returnType == typeof(String))
{
returnValue = value;
}
else
{
if (string.IsNullOrWhiteSpace(value))
{
return(null);
}
var typeConverter = TypeDescriptor.GetConverter(returnType);
returnValue = typeConverter.ConvertFromString(value);
}
return(returnValue);
}
