Enable Select All with Ajax Loading

Select2.php

@@ -232,8 +232,7 @@ public function renderWidget()
     protected function renderToggleAll()
     {
         // disable select all toggle feature for a single select, or when the showToggleALl is false, or
-        // when one is generating an ajax based search for rendering the select2 options
-        if (!$this->options['multiple'] || !$this->showToggleAll || !empty($this->pluginOptions['ajax'])) {
+        if (!$this->options['multiple'] || !$this->showToggleAll ) {
             return;
         }
         $settings = array_replace_recursive([

assets/js/select2-krajee.js

@@ -65,12 +65,19 @@ var initS2ToggleAll = function () {
                 flag = false;
                 ev = 'unselectall';
             }
+            //ajax results or searched results
+            var arr = [];
+            $('#select2-' + id + '-results').children().each(function (k,v) {
+                arr.push($(v).html());
+            });
+            //only select shown items
             $el.find('option').each(function () {
                 var $opt = $(this);
-                if (!$opt.attr('disabled') && $opt.val().length) {
+                if($.inArray($opt.html(),arr) != -1) {
                     $opt.prop('selected', flag);
                 }
             });
+
             $el.select2('close').trigger('krajeeselect2:' + ev).trigger('change');
         });
     };
@@ -152,4 +159,4 @@ var initS2ToggleAll = function () {
             setTimeout(initS2Change, 500);
         }).on('select2:unselecting.krajees2', initS2Unselect);
     };
-}));
+}));