- Added calls to Object#extend in EditableFormField's getFieldConfiguration and getFieldValidationOptions

- Added tests for extensions on EditableFormField

code/model/formfields/EditableFormField.php

@@ -415,11 +415,14 @@ class EditableFormField extends DataObject {
 			_t('EditableFormField.RIGHTTITLE', 'Right Title'), 
 			$this->getSetting('RightTitle')
 		);
-			
+
-		return new FieldList(
+        $fields = FieldList::create(
-			$ec,
+            $ec,
-			$right
+            $right
-		);
+        );
+        $this->extend('updateFieldConfiguration', $fields);
+        
+        return $fields;
 	}
 	
 	/**
@@ -439,6 +442,8 @@ class EditableFormField extends DataObject {
 				$field->performReadonlyTransformation();
 			}
 		}
+
+        $this->extend('updateFieldValidationOptions', $fields);
 		
 		return $fields;
 	}

tests/EditableFormFieldTest.php

@@ -7,6 +7,11 @@
 class EditableFormFieldTest extends FunctionalTest {
 	
 	static $fixture_file = 'userforms/tests/UserDefinedFormTest.yml';
+
+    protected $extraDataObjects = array(
+        'ExtendedEditableFormField',
+        'EditableFormFieldExtension'
+    );
 	
 	function testFormFieldPermissions() {
 		$text = $this->objFromFixture('EditableTextField', 'basic-text');
@@ -301,4 +306,70 @@ class EditableFormFieldTest extends FunctionalTest {
 //		$configuration = $text->getFieldConfiguration();
 
 	}
+
+    function testExtendedEditableFormField() {
+        /** @var ExtendedEditableFormField $field */
+        $field = $this->objFromFixture('ExtendedEditableFormField', 'extended-field');
+
+        // Check db fields
+        $dbFields = $field->stat('db');
+        $this->assertTrue(array_key_exists('TestExtraField', $dbFields));
+        $this->assertTrue(array_key_exists('TestValidationField', $dbFields));
+
+        // Check Field Configuration
+        $fieldConfiguration = $field->getFieldConfiguration();
+        $extraField = $fieldConfiguration->dataFieldByName($field->getSettingName('TestExtraField'));
+        $this->assertNotNull($extraField);
+
+        // Check Validation Fields
+        $fieldValidation = $field->getFieldValidationOptions();
+        $validationField = $fieldValidation->dataFieldByName($field->getSettingName('TestValidationField'));
+        $this->assertNotNull($validationField);
+    }
+
+}
+
+/**
+ * Class ExtendedEditableFormField
+ * A base EditableFormFieldClass that will be extended with {@link EditableFormFieldExtension}
+ * @mixin EditableFormFieldExtension
+ */
+class ExtendedEditableFormField extends EditableFormField implements TestOnly
+{
+    private static $extensions = array(
+        'EditableFormFieldExtension'
+    );
+}
+
+/**
+ * Class EditableFormFieldExtension
+ * Used for testing extensions to EditableFormField and the extended Fields methods
+ * @property EditableFormField owner
+ */
+class EditableFormFieldExtension extends DataExtension implements TestOnly
+{
+    private static $db = array(
+        'TestExtraField'      => 'Varchar',
+        'TestValidationField' => 'Boolean'
+    );
+
+    public function updateFieldConfiguration(FieldList $fields)
+    {
+        $extraField = 'TestExtraField';
+        $fields->push(TextField::create(
+            $this->owner->getSettingName($extraField),
+            'Test extra field',
+            $this->owner->getSetting($extraField)
+        ));
+    }
+
+    public function updateFieldValidationOptions(FieldList $fields)
+    {
+        $extraField = 'TestValidationField';
+        $fields->push(CheckboxField::create(
+            $this->owner->getSettingName($extraField),
+            'Test validation field',
+            $this->owner->getSetting($extraField)
+        ));
+    }
 }

tests/UserDefinedFormTest.yml

@@ -103,6 +103,14 @@ EditableRadioField:
         Options: =>EditableOption.option-5, =>EditableOption.option-6
 
 
+ExtendedEditableFormField:
+    extended-field:
+        Name: extended-field
+        Title: Extended Field
+        TestExtraField: Extra Field
+        TestValidationField: Extra Validation Field
+
+
 UserDefinedForm:
     basic-form-page:
         Title: User Defined Form
@@ -125,4 +133,3 @@ UserDefinedForm:
         Title: Empty Form
         
         
-