NEW Make CMSFields scaffolding configurable, plus new options

src/Forms/FieldList.php

@@ -407,6 +407,9 @@ public function findTab($tabName)
         $currentPointer = $this;
 
         foreach ($parts as $k => $part) {
+            if ($currentPointer === null) {
+                return null;
+            }
             $currentPointer = $currentPointer->fieldByName($part);
         }
 

src/Forms/FormScaffolder.php

@@ -28,8 +28,15 @@ class FormScaffolder
      */
     public $tabbed = false;
 
+    /**
+     * Only set up the "Root.Main" tab, but skip scaffolding actual FormFields.
+     * If $tabbed is false, an empty FieldList will be returned.
+     */
+    public bool $mainTabOnly = false;
+
     /**
      * @var boolean $ajaxSafe
+     * @deprecated 5.3.0 Will be removed without equivalent functionality.
      */
     public $ajaxSafe = false;
 
@@ -39,17 +46,33 @@ class FormScaffolder
      */
     public $restrictFields;
 
+    /**
+     * Numeric array of field names and has_one relations to explicitly not scaffold.
+     */
+    public array $ignoreFields = [];
+
     /**
      * @var array $fieldClasses Optional mapping of fieldnames to subclasses of {@link FormField}.
      * By default the scaffolder will determine the field instance by {@link DBField::scaffoldFormField()}.
      */
     public $fieldClasses;
 
     /**
-     * @var boolean $includeRelations Include has_one, has_many and many_many relations
+     * @var boolean $includeRelations Include has_many and many_many relations
      */
     public $includeRelations = false;
 
+    /**
+     * Array of relation names to use as an allow list.
+     * If left blank, all has_many and many_many relations will be scaffolded unless explicitly ignored.
+     */
+    public array $restrictRelations = [];
+
+    /**
+     * Numeric array of has_many and many_many relations to explicitly not scaffold.
+     */
+    public array $ignoreRelations = [];
+
     /**
      * @param DataObject $obj
      */
@@ -76,12 +99,20 @@ public function getFieldList()
             $mainTab->setTitle(_t(__CLASS__ . '.TABMAIN', 'Main'));
         }
 
+        if ($this->mainTabOnly) {
+            return $fields;
+        }
+
         // Add logical fields directly specified in db config
         foreach ($this->obj->config()->get('db') as $fieldName => $fieldType) {
-            // Skip restricted fields
+            // Skip fields that aren't in the allow list
             if ($this->restrictFields && !in_array($fieldName, $this->restrictFields ?? [])) {
                 continue;
             }
+            // Skip ignored fields
+            if (in_array($fieldName, $this->ignoreFields)) {
+                continue;
+            }
 
             if ($this->fieldClasses && isset($this->fieldClasses[$fieldName])) {
                 $fieldClass = $this->fieldClasses[$fieldName];
@@ -110,6 +141,9 @@ public function getFieldList()
                 if ($this->restrictFields && !in_array($relationship, $this->restrictFields ?? [])) {
                     continue;
                 }
+                if (in_array($relationship, $this->ignoreFields)) {
+                    continue;
+                }
                 $fieldName = $component === 'SilverStripe\\ORM\\DataObject'
                     ? $relationship // Polymorphic has_one field is composite, so don't refer to ID subfield
                     : "{$relationship}ID";
@@ -138,6 +172,12 @@ public function getFieldList()
                 && ($this->includeRelations === true || isset($this->includeRelations['has_many']))
             ) {
                 foreach ($this->obj->hasMany() as $relationship => $component) {
+                    if (!empty($this->restrictRelations) && !in_array($relationship, $this->restrictRelations)) {
+                        continue;
+                    }
+                    if (in_array($relationship, $this->ignoreRelations)) {
+                        continue;
+                    }
                     $includeInOwnTab = true;
                     $fieldLabel = $this->obj->fieldLabel($relationship);
                     $fieldClass = (isset($this->fieldClasses[$relationship]))
@@ -177,6 +217,12 @@ public function getFieldList()
                 && ($this->includeRelations === true || isset($this->includeRelations['many_many']))
             ) {
                 foreach ($this->obj->manyMany() as $relationship => $component) {
+                    if (!empty($this->restrictRelations) && !in_array($relationship, $this->restrictRelations)) {
+                        continue;
+                    }
+                    if (in_array($relationship, $this->ignoreRelations)) {
+                        continue;
+                    }
                     static::addManyManyRelationshipFields(
                         $fields,
                         $relationship,
@@ -252,8 +298,12 @@ protected function getParamsArray()
     {
         return [
             'tabbed' => $this->tabbed,
+            'mainTabOnly' => $this->mainTabOnly,
             'includeRelations' => $this->includeRelations,
+            'restrictRelations' => $this->restrictRelations,
+            'ignoreRelations' => $this->ignoreRelations,
             'restrictFields' => $this->restrictFields,
+            'ignoreFields' => $this->ignoreFields,
             'fieldClasses' => $this->fieldClasses,
             'ajaxSafe' => $this->ajaxSafe
         ];

src/ORM/DataObject.php

@@ -289,6 +289,15 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
      */
     private static $table_name = null;
 
+    /**
+     * Settings used by the FormScaffolder that scaffolds fields for getCMSFields()
+     */
+    private static array $scaffold_cms_fields_settings = [
+        'includeRelations' => true,
+        'tabbed' => true,
+        'ajaxSafe' => true,
+    ];
+
     /**
      * Non-static relationship cache, indexed by component name.
      *
@@ -2469,8 +2478,12 @@ public function scaffoldFormFields($_params = null)
         $params = array_merge(
             [
                 'tabbed' => false,
+                'mainTabOnly' => false,
                 'includeRelations' => false,
+                'restrictRelations' => [],
+                'ignoreRelations' => [],
                 'restrictFields' => false,
+                'ignoreFields' => [],
                 'fieldClasses' => false,
                 'ajaxSafe' => false
             ],
@@ -2479,8 +2492,12 @@ public function scaffoldFormFields($_params = null)
 
         $fs = FormScaffolder::create($this);
         $fs->tabbed = $params['tabbed'];
+        $fs->mainTabOnly = $params['mainTabOnly'];
         $fs->includeRelations = $params['includeRelations'];
+        $fs->restrictRelations = $params['restrictRelations'];
+        $fs->ignoreRelations = $params['ignoreRelations'];
         $fs->restrictFields = $params['restrictFields'];
+        $fs->ignoreFields = $params['ignoreFields'];
         $fs->fieldClasses = $params['fieldClasses'];
         $fs->ajaxSafe = $params['ajaxSafe'];
 
@@ -2600,12 +2617,12 @@ protected function afterUpdateCMSFields(callable $callback)
      */
     public function getCMSFields()
     {
-        $tabbedFields = $this->scaffoldFormFields([
-            // Don't allow has_many/many_many relationship editing before the record is first saved
-            'includeRelations' => ($this->ID > 0),
-            'tabbed' => true,
-            'ajaxSafe' => true
-        ]);
+        $scaffoldOptions = static::config()->get('scaffold_cms_fields_settings');
+        // Don't allow has_many/many_many relationship editing before the record is first saved
+        if (!$this->isInDB()) {
+            $scaffoldOptions['includeRelations'] = false;
+        }
+        $tabbedFields = $this->scaffoldFormFields($scaffoldOptions);
 
         $this->extend('updateCMSFields', $tabbedFields);
 

tests/php/Forms/FieldListTest.php

@@ -259,6 +259,8 @@ public function testFindTab()
         $this->assertNull($fields->findTab('More'));
         $this->assertEquals($fields->findTab('Root.More'), $more);
         $this->assertEquals($fields->findTab('Root.More.Tab4'), $tab4);
+
+        $this->assertNull($fields->findTab('This.Doesnt.Exist'));
     }
 
     /**

tests/php/Forms/FormScaffolderTest.php

@@ -173,21 +173,40 @@ public function testGetFormFields()
 
     public function provideScaffoldRelationFormFields()
     {
-        return [
-            [true],
-            [false],
+        $scenarios = [
+            'ignore no relations' => [
+                'includeInOwnTab' => true,
+                'ignoreRelations' => [],
+            ],
+            'ignore some relations' => [
+                'includeInOwnTab' => true,
+                'ignoreRelations' => [
+                    'ChildrenHasMany',
+                    'ChildrenManyManyThrough',
+                ],
+            ],
         ];
+        foreach ($scenarios as $name => $scenario) {
+            $scenario['includeInOwnTab'] = false;
+            $scenarios[$name . ' - not in own tab'] = $scenario;
+        }
+        return $scenarios;
     }
 
     /**
      * @dataProvider provideScaffoldRelationFormFields
      */
-    public function testScaffoldRelationFormFields(bool $includeInOwnTab)
+    public function testScaffoldRelationFormFields(bool $includeInOwnTab, array $ignoreRelations)
     {
         $parent = $this->objFromFixture(ParentModel::class, 'parent1');
         Child::$includeInOwnTab = $includeInOwnTab;
-        $fields = $parent->scaffoldFormFields(['includeRelations' => true, 'tabbed' => true]);
+        $fields = $parent->scaffoldFormFields([
+            'includeRelations' => true,
+            'tabbed' => true,
+            'ignoreRelations' => $ignoreRelations,
+        ]);
 
+        // has_one
         foreach (array_keys(ParentModel::config()->uninherited('has_one')) as $hasOneName) {
             $scaffoldedFormField = $fields->dataFieldByName($hasOneName . 'ID');
             if ($hasOneName === 'ChildPolymorphic') {
@@ -196,20 +215,136 @@ public function testScaffoldRelationFormFields(bool $includeInOwnTab)
                 $this->assertInstanceOf(DateField::class, $scaffoldedFormField, "$hasOneName should be a DateField");
             }
         }
+        // has_many
         foreach (array_keys(ParentModel::config()->uninherited('has_many')) as $hasManyName) {
-            $this->assertInstanceOf(CurrencyField::class, $fields->dataFieldByName($hasManyName), "$hasManyName should be a CurrencyField");
-            if ($includeInOwnTab) {
-                $this->assertNotNull($fields->findTab("Root.$hasManyName"));
+            if (in_array($hasManyName, $ignoreRelations)) {
+                $this->assertNull($fields->dataFieldByName($hasManyName));
             } else {
-                $this->assertNull($fields->findTab("Root.$hasManyName"));
+                $this->assertInstanceOf(CurrencyField::class, $fields->dataFieldByName($hasManyName), "$hasManyName should be a CurrencyField");
+                if ($includeInOwnTab) {
+                    $this->assertNotNull($fields->findTab("Root.$hasManyName"));
+                } else {
+                    $this->assertNull($fields->findTab("Root.$hasManyName"));
+                }
             }
         }
+        // many_many
         foreach (array_keys(ParentModel::config()->uninherited('many_many')) as $manyManyName) {
-            $this->assertInstanceOf(TimeField::class, $fields->dataFieldByName($manyManyName), "$manyManyName should be a TimeField");
-            if ($includeInOwnTab) {
-                $this->assertNotNull($fields->findTab("Root.$manyManyName"));
+            if (in_array($hasManyName, $ignoreRelations)) {
+                $this->assertNull($fields->dataFieldByName($hasManyName));
+            } else {
+                $this->assertInstanceOf(TimeField::class, $fields->dataFieldByName($manyManyName), "$manyManyName should be a TimeField");
+                if ($includeInOwnTab) {
+                    $this->assertNotNull($fields->findTab("Root.$manyManyName"));
+                } else {
+                    $this->assertNull($fields->findTab("Root.$manyManyName"));
+                }
+            }
+        }
+    }
+
+    public function testScaffoldIgnoreFields(): void
+    {
+        $article1 = $this->objFromFixture(Article::class, 'article1');
+        $fields = $article1->scaffoldFormFields([
+            'ignoreFields' => [
+                'Content',
+                'Author',
+            ],
+        ]);
+        $this->assertSame(['ExtendedField', 'Title'], $fields->column('Name'));
+    }
+
+    public function testScaffoldRestrictRelations(): void
+    {
+        $article1 = $this->objFromFixture(Article::class, 'article1');
+        $fields = $article1->scaffoldFormFields([
+            'includeRelations' => true,
+            'restrictRelations' => [
+                'Tags',
+            ],
+            // Ensure no db or has_one fields get scaffolded
+            'restrictFields' => [
+                'non-existent',
+            ],
+        ]);
+        $this->assertSame(['Tags'], $fields->column('Name'));
+    }
+
+    public function provideTabs(): array
+    {
+        return [
+            'only main tab' => [
+                'tabs' => true,
+                'mainTabOnly' => true,
+            ],
+            'all tabs, all fields' => [
+                'tabs' => true,
+                'mainTabOnly' => false,
+            ],
+            'no tabs, no fields' => [
+                'tabs' => false,
+                'mainTabOnly' => true,
+            ],
+            'no tabs, all fields' => [
+                'tabs' => false,
+                'mainTabOnly' => false,
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider provideTabs
+     */
+    public function testTabs(bool $tabbed, bool $mainTabOnly): void
+    {
+        $parent = $this->objFromFixture(ParentModel::class, 'parent1');
+        Child::$includeInOwnTab = true;
+        $fields = $parent->scaffoldFormFields([
+            'tabbed' => $tabbed,
+            'mainTabOnly' => $mainTabOnly,
+            'includeRelations' => true,
+        ]);
+
+        $fieldsToExpect = [
+            ['Name' => 'Title'],
+            ['Name' => 'ChildID'],
+            ['Name' => 'ChildrenHasMany'],
+            ['Name' => 'ChildrenManyMany'],
+            ['Name' => 'ChildrenManyManyThrough'],
+        ];
+        $relationTabs = [
+            'Root.ChildrenHasMany',
+            'Root.ChildrenManyMany',
+            'Root.ChildrenManyManyThrough',
+        ];
+
+        if ($tabbed) {
+            $this->assertNotNull($fields->findTab('Root.Main'));
+            if ($mainTabOnly) {
+                // Only Root.Main with no fields
+                $this->assertListNotContains($fieldsToExpect, $fields->flattenFields());
+                foreach ($relationTabs as $tabName) {
+                    $this->assertNull($fields->findTab($tabName));
+                }
+            } else {
+                // All fields in all tabs
+                $this->assertListContains($fieldsToExpect, $fields->flattenFields());
+                foreach ($relationTabs as $tabName) {
+                    $this->assertNotNull($fields->findTab($tabName));
+                }
+            }
+        } else {
+            if ($mainTabOnly) {
+                // Empty list
+                $this->assertEmpty($fields);
             } else {
-                $this->assertNull($fields->findTab("Root.$manyManyName"));
+                // All fields, no tabs
+                $this->assertNull($fields->findTab('Root.Main'));
+                foreach ($relationTabs as $tabName) {
+                    $this->assertNull($fields->findTab($tabName));
+                }
+                $this->assertListContains($fieldsToExpect, $fields->flattenFields());
             }
         }
     }