Ensure users are able to edit the page after changing the content model

[lhc/web/wiklou.git] / includes / htmlform / HTMLForm.php

diff --git a/includes/htmlform/HTMLForm.php b/includes/htmlform/HTMLForm.php
index 2b7417e..3c88594 100644 (file)
--- a/includes/htmlform/HTMLForm.php
+++ b/includes/htmlform/HTMLForm.php
@@ -71,6 +71,11 @@
  *    'help-messages'       -- array of message keys/objects. As above, each item can
  *                             be an array of msg key and then parameters.
  *                             Overwrites 'help'.
+ *    'notice'              -- message text for a message to use as a notice in the field.
+ *                             Currently used by OOUI form fields only.
+ *    'notice-messages'     -- array of message keys/objects to use for notice.
+ *                             Overrides 'notice'.
+ *    'notice-message'      -- message key or object to use as a notice.
  *    'required'            -- passed through to the object, indicating that it
  *                             is a required field.
  *    'size'                -- the length of text fields
@@ -270,14 +275,12 @@ class HTMLForm extends ContextSource {
 
                switch ( $displayFormat ) {
                        case 'vform':
-                               $reflector = new ReflectionClass( 'VFormHTMLForm' );
-                               return $reflector->newInstanceArgs( $arguments );
+                               return ObjectFactory::constructClassInstance( VFormHTMLForm::class, $arguments );
                        case 'ooui':
-                               $reflector = new ReflectionClass( 'OOUIHTMLForm' );
-                               return $reflector->newInstanceArgs( $arguments );
+                               return ObjectFactory::constructClassInstance( OOUIHTMLForm::class, $arguments );
                        default:
-                               $reflector = new ReflectionClass( 'HTMLForm' );
-                               $form = $reflector->newInstanceArgs( $arguments );
+                               /** @var HTMLForm $form */
+                               $form = ObjectFactory::constructClassInstance( HTMLForm::class, $arguments );
                                $form->setDisplayFormat( $displayFormat );
                                return $form;
                }
@@ -351,6 +354,26 @@ class HTMLForm extends ContextSource {
                $this->mFieldTree = $loadedDescriptor;
        }
 
+       /**
+        * @param string $fieldname
+        * @return bool
+        */
+       public function hasField( $fieldname ) {
+               return isset( $this->mFlatFields[$fieldname] );
+       }
+
+       /**
+        * @param string $fieldname
+        * @return HTMLFormField
+        * @throws DomainException on invalid field name
+        */
+       public function getField( $fieldname ) {
+               if ( !$this->hasField( $fieldname ) ) {
+                       throw new DomainException( __METHOD__ . ': no field named ' . $fieldname );
+               }
+               return $this->mFlatFields[$fieldname];
+       }
+
        /**
         * Set format in which to display the form
         *