improve code readability

Author: mjauvin

modules/backend/formwidgets/Repeater.php

@@ -258,9 +258,7 @@ protected function processSaveValue($value)
      */
     protected function processItems()
     {
-        $currentValue = ($this->loaded === true)
-            ? post($this->formField->getName())
-            : $this->getLoadValue();
+        $currentValue = $this->getLoadValue();
 
         // Detect when a child widget is trying to run an AJAX handler
         // outside of the form element that contains all the repeater
@@ -344,15 +342,18 @@ protected function makeItemFormWidget($index = 0, $groupCode = null)
         return $this->formWidgets[$index] = $widget;
     }
 
+    public function getLoadValue()
+    {
+        return ($this->loaded === true) ? post($this->formField->getName()) : parent::getLoadValue();
+    }
+
     /**
      * Returns the data at a given index.
      * @param int $index
      */
     protected function getValueFromIndex($index)
     {
-        $value = ($this->loaded === true)
-            ? post($this->formField->getName())
-            : $this->getLoadValue();
+        $value = $this->getLoadValue();
 
         if (!is_array($value)) {
             $value = [];
@@ -406,18 +407,10 @@ public function onRefresh()
      */
     protected function getNextIndex()
     {
-        if ($this->loaded === true) {
-            $data = post($this->formField->getName());
+        $data = $this->getLoadValue();
 
-            if (is_array($data) && count($data)) {
-                return (max(array_keys($data)) + 1);
-            }
-        } else {
-            $data = $this->getLoadValue();
-
-            if (is_array($data)) {
-                return count($data);
-            }
+        if (is_array($data)) {
+            return count($data);
         }
 
         return 0;