[TikiWiki-commits] [Git][tikiwiki/tiki][30.x] [BP][FIX] Dynamic Items List: Fix Empty multi-select not being saved

Bruno Kambere pushed to branch 30.x at Tiki Wiki CMS Groupware / Tiki


Commits:
e853c57d by Bruno Kambere at 2026-08-24T16:31:11+03:00
[BP][FIX] Dynamic Items List: Fix Empty multi-select not being saved

- - - - -


1 changed file:

- lib/core/Tracker/Field/DynamicList.php


Changes:

=====================================
lib/core/Tracker/Field/DynamicList.php
=====================================
@@ -185,10 +185,19 @@ class Tracker_Field_DynamicList extends \Tracker\Field\AbstractItemField impleme
     public function getFieldData(array $requestData = []): array
     {
         $ins_id = $this->getInsertId();
+
+        if (isset($requestData[$ins_id])) {
+            $value = $requestData[$ins_id];
+        } elseif (isset($requestData[$ins_id . '_old'])) {
+            // the field was in the form but nothing was selected: an empty multiple select submits no key at all
+            $value = $this->canHaveMultipleValues() ? [] : '';
+        } else {
+            // the field was not part of this form, keep the stored value
+            $value = $this->getValue();
+        }
+
         $data = [
-            'value' => (isset($requestData[$ins_id]))
-                ? $requestData[$ins_id]
-                : $this->getValue(),
+            'value' => $value,
         ];
 
         if ($this->trackerField->getOption('selectMultipleValues') && ! is_array($data['value'])) {
@@ -351,10 +360,14 @@ if( $("input[name=\'' . $filterFieldHereName . '\'], select[name=\'' . $filterFi
 $("input[name=\'' . $filterFieldHereName . '\'], select[name=\'' . $filterFieldHereName . '\']").trigger("change", "initial");
 ', 1);
 
+        // an empty multiple select (or transfer list) submits no key at all, which getFieldData() would otherwise read as
+        // "field not in the request" and restore the stored value. This marker tells it the field was in the form.
+        $oldMarker = '<input type="hidden" name="' . $this->getInsertId() . '_old" value="1">';
+
         if ($this->trackerField->getOption('inputtype') === 't') {
             $smarty = TikiLib::lib('smarty');
 
-            return smarty_function_jstransfer_list([
+            return $oldMarker . smarty_function_jstransfer_list([
                 'fieldName' => $insertId,
                 'data' => [],
                 'defaultSelected' => $this->getValue(),
@@ -368,7 +381,7 @@ $("input[name=\'' . $filterFieldHereName . '\'], select[name=\'' . $filterFieldH
             ], $smarty->getEmptyInternalTemplate());
         }
 
-        return '<select class="form-control"' . $multiple . ' name="' . $insertId . '"></select>';
+        return $oldMarker . '<select class="form-control"' . $multiple . ' name="' . $insertId . '"></select>';
     }
 
 



View it on GitLab: https://gitlab.com/tikiwiki/tiki/-/commit/e853c57d46dbfcb7a0da053d152cd11ed132a50e

-- 
View it on GitLab: https://gitlab.com/tikiwiki/tiki/-/commit/e853c57d46dbfcb7a0da053d152cd11ed132a50e
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