fix : updated form and used the interface check to render form

Author: shahzan01

plugins/system/opengraph/language/en-GB/plg_system_opengraph.ini

@@ -107,19 +107,23 @@ PLG_SYSTEM_OPENGRAPH_FB_APP_ID_HINT="Enter your Facebook App ID to enable Facebo
 
 
 ; Field Selection (New Section)
-PLG_SYSTEM_OPENGRAPH_FIELD_MAPPING_SECTION="Custom Field Mapping"
-PLG_SYSTEM_OPENGRAPH_MANUAL_OVERRIDE_SECTION="Manual Override Values"
+PLG_SYSTEM_OPENGRAPH_FIELD_MAPPING_SECTION="Field Mapping Configuration"
+PLG_SYSTEM_OPENGRAPH_MANUAL_OVERRIDE_SECTION="Manual Override Options"
 
-PLG_SYSTEM_OPENGRAPH_TITLE_FIELD_LABEL="Title Custom Field"
-PLG_SYSTEM_OPENGRAPH_TITLE_FIELD_DESC="Select a custom field to use as the OpenGraph title source."
+PLG_SYSTEM_OPENGRAPH_TITLE_FIELD_LABEL="Title Source"
+PLG_SYSTEM_OPENGRAPH_TITLE_FIELD_DESC="Select which article field to use for og:title meta tag"
 
-PLG_SYSTEM_OPENGRAPH_DESCRIPTION_FIELD_LABEL="Description Custom Field"
-PLG_SYSTEM_OPENGRAPH_DESCRIPTION_FIELD_DESC="Select a custom field to use as the OpenGraph description source."
+PLG_SYSTEM_OPENGRAPH_DESCRIPTION_FIELD_LABEL="Description Source"
+PLG_SYSTEM_OPENGRAPH_DESCRIPTION_FIELD_DESC="Select which article field to use for og:description meta tag. Meta description is preferred over article text."
 
-PLG_SYSTEM_OPENGRAPH_IMAGE_FIELD_LABEL="Image Custom Field"
-PLG_SYSTEM_OPENGRAPH_IMAGE_FIELD_DESC="Select a custom field to use as the OpenGraph image source."
+PLG_SYSTEM_OPENGRAPH_IMAGE_FIELD_LABEL="Image Source"
+PLG_SYSTEM_OPENGRAPH_IMAGE_FIELD_DESC="Select which article field to use for og:image meta tag"
 
-PLG_SYSTEM_OPENGRAPH_TYPE_FIELD_LABEL="Type Custom Field"
+PLG_SYSTEM_OPENGRAPH_IMAGE_ALT_FIELD_LABEL="Image Alt Text Source"
+PLG_SYSTEM_OPENGRAPH_IMAGE_ALT_FIELD_DESC="Select which article field to use for og:image:alt meta tag for accessibility"
+
+PLG_SYSTEM_OPENGRAPH_TYPE_FIELD_LABEL="Type Field"
 PLG_SYSTEM_OPENGRAPH_TYPE_FIELD_DESC="Select a custom field to use as the OpenGraph type source."
 
-PLG_SYSTEM_OPENGRAPH_NO_FIELD_SELECTED="No custom field selected"
+PLG_SYSTEM_OPENGRAPH_NO_FIELD_SELECTED="-- No Field Selected --"
+

plugins/system/opengraph/src/Extension/opengraph.php

@@ -20,6 +20,7 @@
 use Joomla\CMS\Table\Table;
 use Joomla\Registry\Registry;
 use Joomla\CMS\Document\Document;
+use Joomla\CMS\Opengraph\OpengraphServiceInterface;
 use Joomla\CMS\Uri\Uri;
 
 
@@ -131,15 +132,8 @@ public function onContentPrepareForm(PrepareFormEvent $event): void
 
         $form = $event->getForm();
         $name = $form->getName();
-
-        //todo : replace with interface check
-        $supportedForms = [
-            'com_content.article',
-            'com_categories.categorycom_content',
-            'com_menus.item'
-        ];
-
-        if (!in_array($name, $supportedForms, true)) {
+        $component = $app->bootComponent('com_content');
+        if (!$component instanceof OpengraphServiceInterface) {
             return;
         }