Add preset for FE filter

src/CoreBundle/Contao/Hooks/ContentElementCallback.php

@@ -45,7 +45,14 @@ class ContentElementCallback extends AbstractContentElementAndModuleCallback
      */
     public function buildFilterParameterList(DC_Table $dataContainer)
     {
-        parent::buildFilterParamsFor($dataContainer, 'metamodel_content');
+        if (
+            null === ($currentRecord = $dataContainer->getCurrentRecord())
+            || $currentRecord['type'] !== 'metamodel_content'
+        ) {
+            return;
+        }
+
+        $this->buildFilterParamsFor($dataContainer, 'metamodel_content');
     }
 
     /**

src/CoreBundle/Contao/Hooks/FilterContentElementCallback.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * This file is part of MetaModels/core.
+ *
+ * (c) 2012-2025 The MetaModels team.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * This project is provided in good faith and hope to be usable by anyone.
+ *
+ * @package    MetaModels/core
+ * @author     Ingolf Steinhardt <info@e-spin.de>
+ * @copyright  2012-2025 The MetaModels team.
+ * @license    https://github.com/MetaModels/core/blob/master/LICENSE LGPL-3.0-or-later
+ * @filesource
+ */
+
+namespace MetaModels\CoreBundle\Contao\Hooks;
+
+use Contao\DC_Table;
+
+/**
+ * This class provides callbacks for tl_content.
+ */
+final class FilterContentElementCallback extends AbstractContentElementAndModuleCallback
+{
+    /**
+     * The table name.
+     *
+     * @var string
+     */
+    protected static $tableName = 'tl_content';
+
+    /** Called from tl_content.onload_callback. */
+    public function buildFilterParameterList(DC_Table $dataContainer): void
+    {
+        if (
+            null === ($currentRecord = $dataContainer->getCurrentRecord())
+            || $currentRecord['type'] !== 'metamodels_frontendfilter'
+        ) {
+            return;
+        }
+
+        $this->buildFilterParamsFor($dataContainer, 'metamodels_frontendfilter');
+    }
+}

src/CoreBundle/Contao/Hooks/FilterModuleCallback.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * This file is part of MetaModels/core.
+ *
+ * (c) 2012-2025 The MetaModels team.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * This project is provided in good faith and hope to be usable by anyone.
+ *
+ * @package    MetaModels/core
+ * @author     Ingolf Steinhardt <info@e-spin.de>
+ * @copyright  2012-2025 The MetaModels team.
+ * @license    https://github.com/MetaModels/core/blob/master/LICENSE LGPL-3.0-or-later
+ * @filesource
+ */
+
+namespace MetaModels\CoreBundle\Contao\Hooks;
+
+use Contao\DC_Table;
+
+/**
+ * This class provides callbacks for tl_module.
+ */
+final class FilterModuleCallback extends AbstractContentElementAndModuleCallback
+{
+    /**
+     * The table name.
+     *
+     * @var string
+     */
+    protected static $tableName = 'tl_module';
+
+    /** Called from tl_module.onload_callback. */
+    public function buildFilterParameterList(DC_Table $dataContainer): void
+    {
+        if (
+            null === ($currentRecord = $dataContainer->getCurrentRecord())
+            || $currentRecord['type'] !== 'metamodels_frontendfilter'
+        ) {
+            return;
+        }
+
+        $this->buildFilterParamsFor($dataContainer, 'metamodels_frontendfilter');
+    }
+}

src/CoreBundle/Contao/Hooks/ModuleCallback.php

@@ -43,6 +43,13 @@ class ModuleCallback extends AbstractContentElementAndModuleCallback
      */
     public function buildFilterParameterList(DC_Table $dataContainer)
     {
+        if (
+            null === ($currentRecord = $dataContainer->getCurrentRecord())
+            || $currentRecord['type'] !== 'metamodel_list'
+        ) {
+            return;
+        }
+
         parent::buildFilterParamsFor($dataContainer, 'metamodel_list');
     }
 

src/CoreBundle/Resources/config/hooks.yml

@@ -34,6 +34,30 @@ services:
             - '@translator'
         public: true
 
+    MetaModels\CoreBundle\Contao\Hooks\FilterContentElementCallback:
+      arguments:
+        - '@metamodels.assets.icon_builder'
+        - '@metamodels.backend.url-builder-factory'
+        - '@metamodels.factory'
+        - '@metamodels.filter_setting_factory'
+        - '@database_connection'
+        - '@metamodels.template_list'
+        - '@request_stack'
+        - '@translator'
+      public: true
+
+    MetaModels\CoreBundle\Contao\Hooks\FilterModuleCallback:
+      arguments:
+        - '@metamodels.assets.icon_builder'
+        - '@metamodels.backend.url-builder-factory'
+        - '@metamodels.factory'
+        - '@metamodels.filter_setting_factory'
+        - '@database_connection'
+        - '@metamodels.template_list'
+        - '@request_stack'
+        - '@translator'
+      public: true
+
     MetaModels\CoreBundle\EventListener\GetSearchablePagesListener:
         arguments:
             - '@database_connection'

src/CoreBundle/Resources/contao/dca/tl_content.php

@@ -24,9 +24,12 @@
  */
 
 use MetaModels\CoreBundle\Contao\Hooks\ContentElementCallback;
+use MetaModels\CoreBundle\Contao\Hooks\FilterContentElementCallback;
 
 $GLOBALS['TL_DCA']['tl_content']['config']['onload_callback'][] =
     [ContentElementCallback::class, 'buildFilterParameterList'];
+$GLOBALS['TL_DCA']['tl_content']['config']['onload_callback'][] =
+    [FilterContentElementCallback::class, 'buildFilterParameterList'];
 
 $GLOBALS['TL_DCA']['tl_content']['palettes']['metamodel_content'] =
     '{type_legend},type,headline;' .
@@ -45,8 +48,8 @@
 
 $GLOBALS['TL_DCA']['tl_content']['palettes']['metamodels_frontendfilter'] =
     '{type_legend},type,headline;' .
-    '{mm_filter_legend},metamodel,metamodel_filtering,metamodel_fef_template,metamodel_fef_params,' .
-    'metamodel_fef_autosubmit,metamodel_fef_hideclearfilter,metamodel_available_values,' .
+    '{mm_filter_legend},metamodel,metamodel_filtering,metamodel_fef_template,metamodel_filterparams,' .
+    'metamodel_fef_params,metamodel_fef_autosubmit,metamodel_fef_hideclearfilter,metamodel_available_values,' .
     'metamodel_jumpTo,metamodel_fef_id,metamodel_fef_urlfragment;' .
     '{protected_legend:hide},protected;' .
     '{expert_legend:hide},guests,cssID,space;' .

src/CoreBundle/Resources/contao/dca/tl_module.php

@@ -24,8 +24,11 @@
  */
 
 use MetaModels\CoreBundle\Contao\Hooks\ModuleCallback;
+use MetaModels\CoreBundle\Contao\Hooks\FilterModuleCallback;
 
 $GLOBALS['TL_DCA']['tl_module']['config']['onload_callback'][] = [ModuleCallback::class, 'buildFilterParameterList'];
+$GLOBALS['TL_DCA']['tl_module']['config']['onload_callback'][] =
+    [FilterModuleCallback::class, 'buildFilterParameterList'];
 
 $GLOBALS['TL_DCA']['tl_module']['palettes']['metamodel_list'] =
     '{title_legend},name,headline,type;' .
@@ -43,8 +46,8 @@
 
 $GLOBALS['TL_DCA']['tl_module']['palettes']['metamodels_frontendfilter'] =
     '{title_legend},name,headline,type;' .
-    '{mm_filter_legend},metamodel,metamodel_filtering,metamodel_fef_template,metamodel_fef_params,' .
-    'metamodel_fef_autosubmit,metamodel_fef_hideclearfilter,metamodel_available_values,' .
+    '{mm_filter_legend},metamodel,metamodel_filtering,metamodel_fef_template,metamodel_filterparams,' .
+    'metamodel_fef_params,metamodel_fef_autosubmit,metamodel_fef_hideclearfilter,metamodel_available_values,' .
     'metamodel_jumpTo,metamodel_fef_id,metamodel_fef_urlfragment;' .
     '{protected_legend:hide},protected;' .
     '{expert_legend:hide},guests,cssID,space';

src/FrontendIntegration/FrontendFilter.php

@@ -28,6 +28,7 @@
 
 namespace MetaModels\FrontendIntegration;
 
+use Contao\StringUtil;
 use ContaoCommunityAlliance\Contao\Bindings\ContaoEvents;
 use ContaoCommunityAlliance\Contao\Bindings\Events\Controller\RedirectEvent;
 use Contao\CoreBundle\Csrf\ContaoCsrfTokenManager;
@@ -427,8 +428,11 @@ protected function getFilters()
             }
         }
 
+        $values         = \array_merge($all->getSlugParameters(), $all->getGetParameters());
+        $baseParameters = $this->getBaseParameters($values);
+
         $arrWidgets = $filterSetting->getParameterFilterWidgets(
-            \array_merge($all->getSlugParameters(), $all->getGetParameters()),
+            \array_merge($values, $baseParameters),
             $jumpToInformation,
             $filterOptions
         );
@@ -622,4 +626,50 @@ public function generateClearAll($strContent, $strTemplate)
 
         return $strContent;
     }
+
+    private function getBaseParameters(array $values): array
+    {
+        /** @psalm-suppress UndefinedMagicPropertyFetch */
+        if ([] === ($presets = StringUtil::deserialize($this->objFilterConfig->metamodel_filterparams, true))) {
+            return [];
+        }
+
+        if (null === ($filterSetting = $this->objFilterConfig->getFilterCollection())) {
+            throw new RuntimeException(
+                'Error: no filter object defined, call setFilterSettings() before setFilterParameters().'
+            );
+        }
+
+        $presetNames     = $filterSetting->getParameters();
+        $filterParamKeys = \array_keys($filterSetting->getParameterFilterNames());
+
+        $processed = [];
+
+        // We have to use all the preset values we want first.
+        foreach ($presets as $presetName => $presetValues) {
+            if (\in_array($presetName, $presetNames, true)) {
+                $processed[$presetName] = $presetValues['value'];
+            }
+        }
+
+        // Now we have to use all FE filter params, that are either:
+        // * not contained within the presets
+        // * or are overridable.
+        foreach ($filterParamKeys as $filterParameterKey) {
+            // Unknown parameter? - next, please.
+            if (!\array_key_exists($filterParameterKey, $values)) {
+                continue;
+            }
+
+            // Not a preset or allowed to override? - use value.
+            if (
+                (!\array_key_exists($filterParameterKey, $presets))
+                || (bool) $presets[$filterParameterKey]['use_get']
+            ) {
+                $processed[$filterParameterKey] = $values[$filterParameterKey];
+            }
+        }
+
+        return $processed;
+    }
 }