Add an aria-label for each trplaceholder (#2577)

lemonldap-ng-portal/site/coffee/portal.coffee

@@ -47,7 +47,9 @@ translatePage = (lang) ->
 			if msg.match /_hide_/
 				$(this).parent().hide()
 		$("[trplaceholder]").each ->
-			$(this).attr 'placeholder', translate($(this).attr('trplaceholder'))
+			tmp = translate($(this).attr('trplaceholder'))
+			$(this).attr 'placeholder', tmp
+			$(this).attr 'aria-label', tmp
 		$("[localtime]").each ->
 			d = new Date $(this).attr('localtime') * 1000
 			$(this).text d.toLocaleString()

lemonldap-ng-portal/site/htdocs/static/common/js/portal.js

@@ -61,7 +61,10 @@ LemonLDAP::NG Portal jQuery scripts
         }
       });
       $("[trplaceholder]").each(function() {
-        return $(this).attr('placeholder', translate($(this).attr('trplaceholder')));
+        var tmp;
+        tmp = translate($(this).attr('trplaceholder'));
+        $(this).attr('placeholder', tmp);
+        return $(this).attr('aria-label', tmp);
       });
       return $("[localtime]").each(function() {
         var d;