/// <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)
{
var content = await output.GetChildContentAsync();
if (!string.IsNullOrWhiteSpace(content.GetContent()))
{
var str = content.GetContent().Trim();
LocalizedHtmlString _localStr;
if (!string.IsNullOrEmpty(Culture) && ResourceSource != null)
{
//localize from specified culture and resource type
_localStr = _loc.GetLocalizedHtmlString(ResourceSource, Culture, str, Args);
}
else if (!string.IsNullOrEmpty(Culture) && ResourceSource == null)
{
//localize from specified culture and default view localization resource
//type that is defined in startup in .AddExpressLocalization<T1, T2>
//where T2 is the view localization resource
_localStr = _loc.GetLocalizedHtmlString(Culture, str, Args);
}
else if (string.IsNullOrEmpty(Culture) && ResourceSource != null)
{
//localize from specified resource type using CultureInfo.CurrentCulture.Name
_localStr = _loc.GetLocalizedHtmlString(ResourceSource, str, Args);
}
else
{
//use default localization
_localStr = _loc.GetLocalizedHtmlString(str, Args);
}
output.Content.SetHtmlContent(_localStr);
}
}
/// <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 || output.Attributes.Any(x => x.Name.StartsWith("localize-")))
//if (Localize || (Args != null && Args.Length > 0) || !string.IsNullOrEmpty(Culture) || ResourceSource != null)
{
//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)
{
//fin all custom attributes that starts with localize-att-*
if (att.Name.StartsWith(_LocalizeAtt))
{
//get localized attribute value
var localAttValue = _loc.GetLocalizedHtmlString(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));
}
await base.ProcessAsync(context, output);
}
}