Form update.

AbstractBuildForm.php: fixed broken JSON Object array

extension/qfq/qfq/AbstractBuildForm.php

@@ -393,7 +393,12 @@ abstract class AbstractBuildForm {
             } else {
                 // for non container elements: just add the current json status
                 if ($modeCollectFe === FLAG_ALL || ($modeCollectFe == FLAG_DYNAMIC_UPDATE && $fe['dynamicUpdate'] == 'yes')) {
-                    $json[] = $jsonElement;
+                    if (isset($jsonElement[0]) && is_array($jsonElement[0])) {
+                        // Checkboxes are delivered as array of arrays: unnest them and append them to the existing json array.
+                        $json = array_merge($json, $jsonElement);
+                    } else {
+                        $json[] = $jsonElement;
+                    }
                 }
             }
 
@@ -1070,6 +1075,7 @@ abstract class AbstractBuildForm {
      * @return string
      */
     public function buildCheckboxMulti(array $formElement, $htmlFormElementId, $attributeBase, $value, array $itemKey, array $itemValue, array &$json) {
+        $json = array();
 
         // Defines which of the checkboxes will be checked.
         $values = explode(',', $value);
@@ -1115,7 +1121,6 @@ abstract class AbstractBuildForm {
                 $htmlElement = Support::wrapTag('<label>', $htmlElement);
             }
 
-
             $htmlElement = Support::wrapTag("<div class='$checkboxClass'>", $htmlElement, true);
 
             if ($formElement['maxLength'] > 1) {
@@ -1129,7 +1134,7 @@ abstract class AbstractBuildForm {
             }
 
             $html .= $htmlElement . $br;
-            $json[] = $this->getJsonElementUpdate($htmlFormElementId, $value, $formElement[FE_MODE]);
+            $json[] = $this->getJsonElementUpdate($htmlFormElementId, $jsonValue, $formElement[FE_MODE]);
 
         }