/// <summary>
/// Create a new <see cref="IHtmlLocalizer"/> based on provided resource type
/// </summary>
/// <param name="resourceSource"></param>
/// <returns></returns>
public IHtmlLocalizer Create(Type resourceSource)
{
if (resourceSource == null)
{
throw new NotImplementedException(nameof(resourceSource));
}
var strLocalizer = _strFactory.Create(resourceSource);
return(new XHtmlLocalizer(strLocalizer));
}
/// <summary>
/// process localize tag helper
/// </summary>
/// <param name="context"></param>
/// <param name="output"></param>
/// <returns></returns>
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
//if (Localize || (Args != null && Args.Length > 0) || !string.IsNullOrEmpty(Culture) || ResourceSource != null)
if (output.Attributes.Any(x => x.Name.StartsWith(_LocalizeAtt)))
{
//list of attributes to be localized e.g. localize-att-title="Image title"
var addAttributes = new List <TagHelperAttribute>();
//list of attributes to be removed
//technically, the attribute will be renamed by removing localize-att- prefix and the rest will be kept
//e.g. localize-att-title="Image title" will be title="Resim başlığı"
var removeAttributes = new List <TagHelperAttribute>();
foreach (var att in output.Attributes)
{
//find all custom attributes that starts with localize-att-*
if (att.Name.StartsWith(_LocalizeAtt))
{
var _loc = _stringFactory.Create();
//get localized attribute value
var localAttValue = _loc[att.Value.ToString()];
//add new ttribute with new name and locized value to the list
addAttributes.Add(new TagHelperAttribute(att.Name.Replace(_LocalizeAtt, ""), localAttValue));
//add the attribute to the remove list
removeAttributes.Add(att);
}
}
if (addAttributes.Count > 0)
{
//add new attibutes to the output
addAttributes.ForEach(x => output.Attributes.Add(x));
}
if (removeAttributes.Count > 0)
{
//remove old attributes from the output
removeAttributes.ForEach(x => output.Attributes.Remove(x));
}
}
// Localize contents if localize-content="true"
// or if there is any localize-* attribute other than localize-att-*
if (Localize || output.Attributes.Any(x => x.Name.StartsWith("localize-") && !x.Name.StartsWith(_LocalizeAtt)))
{
await base.ProcessAsync(context, output);
}
}