first commit

components/com_config/forms/config.xml

@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form>
+	<fieldset
+		name="metadata"
+		label="COM_CONFIG_METADATA_SETTINGS">
+		<field
+			name="MetaDesc"
+			type="textarea"
+			label="COM_CONFIG_FIELD_METADESC_LABEL"
+			filter="string"
+			rows="3"
+			cols="30"
+			maxlength="300"
+			charcounter="true"
+		/>
+
+		<field
+			name="MetaRights"
+			type="textarea"
+			label="JFIELD_META_RIGHTS_LABEL"
+			description="JFIELD_META_RIGHTS_DESC"
+			filter="string"
+			cols="60"
+			rows="2"
+		/>
+
+	</fieldset>
+
+	<fieldset
+		name="seo"
+		label="CONFIG_SEO_SETTINGS_LABEL">
+		<field
+			name="sef"
+			type="radio"
+			label="COM_CONFIG_FIELD_SEF_URL_LABEL"
+			description="COM_CONFIG_FIELD_SEF_URL_DESC"
+			default="1"
+			layout="joomla.form.field.radio.switcher"
+			filter="integer"
+			>
+			<option value="0">JNO</option>
+			<option value="1">JYES</option>
+		</field>
+
+		<field
+			name="sitename_pagetitles"
+			type="list"
+			label="COM_CONFIG_FIELD_SITENAME_PAGETITLES_LABEL"
+			default="0"
+			filter="integer"
+			validate="options"
+			>
+			<option value="2">COM_CONFIG_FIELD_VALUE_AFTER</option>
+			<option value="1">COM_CONFIG_FIELD_VALUE_BEFORE</option>
+			<option value="0">JNO</option>
+		</field>
+
+	</fieldset>
+
+	<fieldset
+		name="site"
+		label="CONFIG_SITE_SETTINGS_LABEL">
+
+		<field
+			name="sitename"
+			type="text"
+			label="COM_CONFIG_FIELD_SITE_NAME_LABEL"
+			required="true"
+			filter="string"
+			size="50"
+		/>
+
+		<field
+			name="offline"
+			type="radio"
+			label="COM_CONFIG_FIELD_SITE_OFFLINE_LABEL"
+			default="0"
+			layout="joomla.form.field.radio.switcher"
+			filter="integer"
+			>
+			<option value="0">JNO</option>
+			<option value="1">JYES</option>
+		</field>
+
+		<field
+			name="access"
+			type="accesslevel"
+			label="COM_CONFIG_FIELD_DEFAULT_ACCESS_LEVEL_LABEL"
+			description="COM_CONFIG_FIELD_DEFAULT_ACCESS_LEVEL_DESC"
+			default="1"
+			filter="UINT"
+			validate="options"
+		/>
+
+		<field
+			name="list_limit"
+			type="list"
+			label="COM_CONFIG_FIELD_DEFAULT_LIST_LIMIT_LABEL"
+			default="20"
+			filter="integer"
+			validate="options"
+			>
+			<option value="5">J5</option>
+			<option value="10">J10</option>
+			<option value="15">J15</option>
+			<option value="20">J20</option>
+			<option value="25">J25</option>
+			<option value="30">J30</option>
+			<option value="50">J50</option>
+			<option value="100">J100</option>
+		</field>
+
+	</fieldset>
+
+	<fieldset>
+		<field
+			name="asset_id"
+			type="hidden"
+		/>
+	</fieldset>
+</form>

components/com_config/forms/modules.xml

@@ -0,0 +1,136 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form>
+	<fieldset>
+		<field
+			name="id"
+			type="number"
+			label="JGLOBAL_FIELD_ID_LABEL"
+			default="0"
+			readonly="true"
+		/>
+
+		<field
+			name="title"
+			type="text"
+			label="JGLOBAL_TITLE"
+			maxlength="100"
+			required="true"
+			size="35"
+		/>
+
+		<field
+			name="note"
+			type="text"
+			label="COM_MODULES_FIELD_NOTE_LABEL"
+			maxlength="255"
+			size="35"
+		/>
+
+		<field
+			name="module"
+			type="hidden"
+			label="COM_MODULES_FIELD_MODULE_LABEL"
+			readonly="readonly"
+			size="20"
+		/>
+
+		<field
+			name="showtitle"
+			type="radio"
+			label="COM_MODULES_FIELD_SHOWTITLE_LABEL"
+			layout="joomla.form.field.radio.switcher"
+			default="1"
+			size="1"
+			>
+			<option value="0">JHIDE</option>
+			<option value="1">JSHOW</option>
+		</field>
+
+		<field
+			name="published"
+			type="list"
+			label="JSTATUS"
+			class="form-select-color-state"
+			default="1"
+			size="1"
+			validate="options"
+			>
+			<option value="1">JPUBLISHED</option>
+			<option value="0">JUNPUBLISHED</option>
+			<option value="-2">JTRASHED</option>
+		</field>
+
+		<field
+			name="publish_up"
+			type="calendar"
+			label="COM_MODULES_FIELD_PUBLISH_UP_LABEL"
+			filter="user_utc"
+			translateformat="true"
+			showtime="true"
+			size="22"
+		/>
+
+		<field
+			name="publish_down"
+			type="calendar"
+			label="COM_MODULES_FIELD_PUBLISH_DOWN_LABEL"
+			filter="user_utc"
+			translateformat="true"
+			showtime="true"
+			size="22"
+		/>
+
+		<field
+			name="client_id"
+			type="hidden"
+			label="COM_MODULES_FIELD_CLIENT_ID_LABEL"
+			readonly="true"
+			size="1"
+		/>
+
+		<field
+			name="position"
+			type="ModulesPositionedit"
+			label="COM_MODULES_FIELD_POSITION_LABEL"
+			addfieldprefix="Joomla\Component\Modules\Administrator\Field"
+			default=""
+			maxlength="50"
+			client="site"
+		/>
+
+		<field
+			name="access"
+			type="accesslevel"
+			label="JFIELD_ACCESS_LABEL"
+			filter="UINT"
+			validate="options"
+		/>
+
+		<field
+			name="ordering"
+			type="moduleorder"
+			label="JFIELD_ORDERING_LABEL"
+		/>
+
+		<field
+			name="content"
+			type="editor"
+			label="COM_MODULES_FIELD_CONTENT_LABEL"
+			buttons="true"
+			filter="\Joomla\CMS\Component\ComponentHelper::filterText"
+			hide="readmore,pagebreak"
+		/>
+
+		<field
+			name="language"
+			type="contentlanguage"
+			label="JFIELD_LANGUAGE_LABEL"
+			>
+			<option value="*">JALL</option>
+		</field>
+
+		<field name="assignment" type="hidden" />
+
+		<field name="assigned" type="hidden" />
+	</fieldset>
+</form>

components/com_config/forms/modules_advanced.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form>
+	<fields name="params">
+		<fieldset
+			name="advanced">
+
+			<field
+				name="module_tag"
+				type="moduletag"
+				label="COM_MODULES_FIELD_MODULE_TAG_LABEL"
+				default="div"
+				validate="options"
+			/>
+
+			<field
+				name="bootstrap_size"
+				type="integer"
+				label="COM_MODULES_FIELD_BOOTSTRAP_SIZE_LABEL"
+				first="0"
+				last="12"
+				step="1"
+			/>
+
+			<field
+				name="header_tag"
+				type="headertag"
+				label="COM_MODULES_FIELD_HEADER_TAG_LABEL"
+				default="h3"
+				validate="options"
+			/>
+
+			<field
+				name="header_class"
+				type="textarea"
+				label="COM_MODULES_FIELD_HEADER_CLASS_LABEL"
+				rows="3"
+				validate="CssIdentifier"
+			/>
+
+			<field
+				name="style"
+				type="chromestyle"
+				label="COM_MODULES_FIELD_MODULE_STYLE_LABEL"
+			/>
+		</fieldset>
+	</fields>
+</form>

components/com_config/forms/templates.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form>
+	<fieldset>
+		<field
+			name="id"
+			type="number"
+			label="JGLOBAL_FIELD_ID_LABEL"
+			default="0"
+			readonly="true"
+			class="readonly"
+		/>
+
+		<field
+			name="template"
+			type="text"
+			label="COM_TEMPLATES_FIELD_TEMPLATE_LABEL"
+			class="readonly"
+			size="30"
+			readonly="true"
+		/>
+
+		<field
+			name="client_id"
+			type="hidden"
+			label="COM_TEMPLATES_FIELD_CLIENT_LABEL"
+			class="readonly"
+			default="0"
+			readonly="true"
+		/>
+
+		<field
+			name="title"
+			type="text"
+			label="COM_TEMPLATES_FIELD_TITLE_LABEL"
+			size="50"
+			required="true"
+		/>
+
+		<field name="assigned" type="hidden" />
+
+	</fieldset>
+</form>

components/com_config/src/Controller/ConfigController.php

@@ -0,0 +1,141 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Controller;
+
+use Joomla\CMS\Application\CMSApplication;
+use Joomla\CMS\Client\ClientHelper;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Uri\Uri;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Component Controller
+ *
+ * @since  1.5
+ */
+class ConfigController extends BaseController
+{
+    /**
+     * @param   array                         $config   An optional associative array of configuration settings.
+     *                                                  Recognized key values include 'name', 'default_task', 'model_path', and
+     *                                                  'view_path' (this list is not meant to be comprehensive).
+     * @param   MVCFactoryInterface|null      $factory  The factory.
+     * @param   CMSApplication|null           $app      The JApplication for the dispatcher
+     * @param   \Joomla\CMS\Input\Input|null  $input    The Input object for the request
+     *
+     * @since   1.6
+     */
+    public function __construct($config = [], MVCFactoryInterface $factory = null, $app = null, $input = null)
+    {
+        parent::__construct($config, $factory, $app, $input);
+
+        $this->registerTask('apply', 'save');
+    }
+
+    /**
+     * Method to handle cancel
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    public function cancel()
+    {
+        // Redirect back to home(base) page
+        $this->setRedirect(Uri::base());
+    }
+
+    /**
+     * Method to save global configuration.
+     *
+     * @return  boolean  True on success.
+     *
+     * @since   3.2
+     */
+    public function save()
+    {
+        // Check for request forgeries.
+        $this->checkToken();
+
+        // Check if the user is authorized to do this.
+        if (!$this->app->getIdentity()->authorise('core.admin')) {
+            $this->app->enqueueMessage(Text::_('JERROR_ALERTNOAUTHOR'));
+            $this->app->redirect('index.php');
+        }
+
+        // Set FTP credentials, if given.
+        ClientHelper::setCredentialsFromRequest('ftp');
+
+        $model = $this->getModel();
+
+        $form  = $model->getForm();
+        $data  = $this->app->getInput()->post->get('jform', [], 'array');
+
+        // Validate the posted data.
+        $return = $model->validate($form, $data);
+
+        // Check for validation errors.
+        if ($return === false) {
+            /*
+             * The validate method enqueued all messages for us, so we just need to redirect back.
+             */
+
+            // Save the data in the session.
+            $this->app->setUserState('com_config.config.global.data', $data);
+
+            // Redirect back to the edit screen.
+            $this->app->redirect(Route::_('index.php?option=com_config&view=config', false));
+        }
+
+        // Attempt to save the configuration.
+        $data = $return;
+
+        // Access backend com_config
+        $saveClass = $this->factory->createController('Application', 'Administrator', [], $this->app, $this->input);
+
+        // Get a document object
+        $document = $this->app->getDocument();
+
+        // Set backend required params
+        $document->setType('json');
+
+        // Execute backend controller
+        $return = $saveClass->save();
+
+        // Reset params back after requesting from service
+        $document->setType('html');
+
+        // Check the return value.
+        if ($return === false) {
+            /*
+             * The save method enqueued all messages for us, so we just need to redirect back.
+             */
+
+            // Save the data in the session.
+            $this->app->setUserState('com_config.config.global.data', $data);
+
+            // Save failed, go back to the screen and display a notice.
+            $this->app->redirect(Route::_('index.php?option=com_config&view=config', false));
+        }
+
+        // Redirect back to com_config display
+        $this->app->enqueueMessage(Text::_('COM_CONFIG_SAVE_SUCCESS'));
+        $this->app->redirect(Route::_('index.php?option=com_config&view=config', false));
+
+        return true;
+    }
+}

components/com_config/src/Controller/DisplayController.php

@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Controller;
+
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\Uri\Uri;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Component Controller
+ *
+ * @since  1.5
+ */
+class DisplayController extends BaseController
+{
+    /**
+     * Method to handle cancel
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    public function cancel()
+    {
+        // Redirect back to home(base) page
+        $this->setRedirect(Uri::base());
+    }
+}

components/com_config/src/Controller/ModulesController.php

@@ -0,0 +1,168 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Controller;
+
+use Joomla\CMS\Application\AdministratorApplication;
+use Joomla\CMS\Application\CMSApplication;
+use Joomla\CMS\Client\ClientHelper;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Form\Form;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Uri\Uri;
+use Joomla\Component\Modules\Administrator\Controller\ModuleController;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Component Controller
+ *
+ * @since  1.5
+ */
+class ModulesController extends BaseController
+{
+    /**
+     * @param   array                         $config   An optional associative array of configuration settings.
+     *                                                  Recognized key values include 'name', 'default_task', 'model_path', and
+     *                                                  'view_path' (this list is not meant to be comprehensive).
+     * @param   MVCFactoryInterface|null      $factory  The factory.
+     * @param   CMSApplication|null           $app      The Application for the dispatcher
+     * @param   \Joomla\CMS\Input\Input|null  $input    The Input object for the request
+     *
+     * @since   1.6
+     */
+    public function __construct($config = [], MVCFactoryInterface $factory = null, $app = null, $input = null)
+    {
+        parent::__construct($config, $factory, $app, $input);
+
+        $this->registerTask('apply', 'save');
+    }
+
+    /**
+     * Method to handle cancel
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    public function cancel()
+    {
+        // Redirect back to home(base) page
+        $this->setRedirect(Uri::base());
+    }
+
+    /**
+     * Method to save module editing.
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    public function save()
+    {
+        // Check for request forgeries.
+        $this->checkToken();
+
+        // Check if the user is authorized to do this.
+        $user = $this->app->getIdentity();
+
+        if (!$user->authorise('module.edit.frontend', 'com_modules.module.' . $this->input->get('id'))) {
+            $this->app->enqueueMessage(Text::_('JERROR_ALERTNOAUTHOR'), 'error');
+            $this->app->redirect('index.php');
+        }
+
+        // Set FTP credentials, if given.
+        ClientHelper::setCredentialsFromRequest('ftp');
+
+        // Get submitted module id
+        $moduleId = '&id=' . $this->input->getInt('id');
+
+        // Get returnUri
+        $returnUri = $this->input->post->get('return', null, 'base64');
+        $redirect  = '';
+
+        if (!empty($returnUri)) {
+            $redirect = '&return=' . $returnUri;
+        }
+
+        /** @var AdministratorApplication $app */
+        $app = Factory::getContainer()->get(AdministratorApplication::class);
+
+        // Reset Uri cache.
+        Uri::reset();
+
+        // Get a document object
+        $document = $this->app->getDocument();
+
+        // Load application dependencies.
+        $app->loadLanguage($this->app->getLanguage());
+        $app->loadDocument($document);
+        $app->loadIdentity($user);
+
+        /** @var \Joomla\CMS\Dispatcher\ComponentDispatcher $dispatcher */
+        $dispatcher = $app->bootComponent('com_modules')->getDispatcher($app);
+
+        /** @var ModuleController $controllerClass */
+        $controllerClass = $dispatcher->getController('Module');
+
+        // Set backend required params
+        $document->setType('json');
+
+        // Execute backend controller
+        Form::addFormPath(JPATH_ADMINISTRATOR . '/components/com_modules/forms');
+        $return = $controllerClass->save();
+
+        // Reset params back after requesting from service
+        $document->setType('html');
+
+        // Check the return value.
+        if ($return === false) {
+            // Save the data in the session.
+            $data = $this->input->post->get('jform', [], 'array');
+
+            $this->app->setUserState('com_config.modules.global.data', $data);
+
+            // Save failed, go back to the screen and display a notice.
+            $this->app->enqueueMessage(Text::_('JERROR_SAVE_FAILED'));
+            $this->app->redirect(Route::_('index.php?option=com_config&view=modules' . $moduleId . $redirect, false));
+        }
+
+        // Redirect back to com_config display
+        $this->app->enqueueMessage(Text::_('COM_CONFIG_MODULES_SAVE_SUCCESS'), 'success');
+
+        // Set the redirect based on the task.
+        switch ($this->input->getCmd('task')) {
+            case 'apply':
+                $this->app->redirect(Route::_('index.php?option=com_config&view=modules' . $moduleId . $redirect, false));
+                break;
+
+            case 'save':
+            default:
+                if (!empty($returnUri)) {
+                    $redirect = base64_decode(urldecode($returnUri));
+
+                    // Don't redirect to an external URL.
+                    if (!Uri::isInternal($redirect)) {
+                        $redirect = Uri::base();
+                    }
+                } else {
+                    $redirect = Uri::base();
+                }
+
+                $this->setRedirect($redirect);
+                break;
+        }
+    }
+}

components/com_config/src/Controller/TemplatesController.php

@@ -0,0 +1,121 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Controller;
+
+use Joomla\CMS\Application\CMSApplication;
+use Joomla\CMS\Client\ClientHelper;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Uri\Uri;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Component Controller
+ *
+ * @since  1.5
+ */
+class TemplatesController extends BaseController
+{
+    /**
+     * @param   array                         $config   An optional associative array of configuration settings.
+     *                                                  Recognized key values include 'name', 'default_task', 'model_path', and
+     *                                                  'view_path' (this list is not meant to be comprehensive).
+     * @param   MVCFactoryInterface|null      $factory  The factory.
+     * @param   CMSApplication|null           $app      The Application for the dispatcher
+     * @param   \Joomla\CMS\Input\Input|null  $input    The Input object for the request
+     *
+     * @since   1.6
+     */
+    public function __construct($config = [], MVCFactoryInterface $factory = null, $app = null, $input = null)
+    {
+        parent::__construct($config, $factory, $app, $input);
+
+        // Apply, Save & New, and Save As copy should be standard on forms.
+        $this->registerTask('apply', 'save');
+    }
+
+    /**
+     * Method to handle cancel
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    public function cancel()
+    {
+        // Redirect back to home(base) page
+        $this->setRedirect(Uri::base());
+    }
+
+    /**
+     * Method to save global configuration.
+     *
+     * @return  boolean  True on success.
+     *
+     * @since   3.2
+     */
+    public function save()
+    {
+        // Check for request forgeries.
+        $this->checkToken();
+
+        // Check if the user is authorized to do this.
+        if (!$this->app->getIdentity()->authorise('core.admin')) {
+            $this->setRedirect('index.php', Text::_('JERROR_ALERTNOAUTHOR'));
+
+            return false;
+        }
+
+        // Set FTP credentials, if given.
+        ClientHelper::setCredentialsFromRequest('ftp');
+
+        $app = $this->app;
+
+        // Access backend com_templates
+        $controllerClass = $app->bootComponent('com_templates')
+            ->getMVCFactory()->createController('Style', 'Administrator', [], $app, $app->getInput());
+
+        // Get a document object
+        $document = $app->getDocument();
+
+        // Set backend required params
+        $document->setType('json');
+        $this->input->set('id', $app->getTemplate(true)->id);
+
+        // Execute backend controller
+        $return = $controllerClass->save();
+
+        // Reset params back after requesting from service
+        $document->setType('html');
+
+        // Check the return value.
+        if ($return === false) {
+            // Save failed, go back to the screen and display a notice.
+            $this->setMessage(Text::sprintf('JERROR_SAVE_FAILED'), 'error');
+            $this->setRedirect(Route::_('index.php?option=com_config&view=templates', false));
+
+            return false;
+        }
+
+        // Set the success message.
+        $this->setMessage(Text::_('COM_CONFIG_SAVE_SUCCESS'));
+
+        // Redirect back to com_config display
+        $this->setRedirect(Route::_('index.php?option=com_config&view=templates', false));
+
+        return true;
+    }
+}

components/com_config/src/Dispatcher/Dispatcher.php

@@ -0,0 +1,52 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Dispatcher;
+
+use Joomla\CMS\Access\Exception\NotAllowed;
+use Joomla\CMS\Dispatcher\ComponentDispatcher;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * ComponentDispatcher class for com_config
+ *
+ * @since  4.0.0
+ */
+class Dispatcher extends ComponentDispatcher
+{
+    /**
+     * Method to check component access permission
+     *
+     * @since   4.0.0
+     *
+     * @return  void
+     *
+     * @throws  \Exception|NotAllowed
+     */
+    protected function checkAccess()
+    {
+        parent::checkAccess();
+
+        $task = $this->input->getCmd('task', 'display');
+        $view = $this->input->get('view');
+        $user = $this->app->getIdentity();
+
+        if (substr($task, 0, 8) === 'modules.' || $view === 'modules') {
+            if (!$user->authorise('module.edit.frontend', 'com_modules.module.' . $this->input->get('id'))) {
+                throw new NotAllowed($this->app->getLanguage()->_('JERROR_ALERTNOAUTHOR'), 403);
+            }
+        } elseif (!$user->authorise('core.admin')) {
+            throw new NotAllowed($this->app->getLanguage()->_('JERROR_ALERTNOAUTHOR'), 403);
+        }
+    }
+}

components/com_config/src/Model/ConfigModel.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Model;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Model for the global configuration
+ *
+ * @since  3.2
+ */
+class ConfigModel extends FormModel
+{
+    /**
+     * Method to get a form object.
+     *
+     * @param   array    $data      Data for the form.
+     * @param   boolean  $loadData  True if the form is to load its own data (default case), false if not.
+     *
+     * @return  mixed   A JForm object on success, false on failure
+     *
+     * @since   3.2
+     */
+    public function getForm($data = [], $loadData = true)
+    {
+        // Get the form.
+        $form = $this->loadForm('com_config.config', 'config', ['control' => 'jform', 'load_data' => $loadData]);
+
+        if (empty($form)) {
+            return false;
+        }
+
+        return $form;
+    }
+}

components/com_config/src/Model/FormModel.php

@@ -0,0 +1,271 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Model;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Form\Form;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\Model\FormModel as BaseForm;
+use Joomla\CMS\Plugin\PluginHelper;
+use Joomla\Utilities\ArrayHelper;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Prototype form model.
+ *
+ * @see    JForm
+ * @see    \Joomla\CMS\Form\FormField
+ * @see    \Joomla\CMS\Form\FormRule
+ * @since  3.2
+ */
+abstract class FormModel extends BaseForm
+{
+    /**
+     * Array of form objects.
+     *
+     * @var    array
+     * @since  3.2
+     */
+    protected $forms = [];
+
+    /**
+     * Method to checkin a row.
+     *
+     * @param   integer  $pk  The numeric id of the primary key.
+     *
+     * @return  boolean  False on failure or error, true otherwise.
+     *
+     * @since   3.2
+     * @throws  \RuntimeException
+     */
+    public function checkin($pk = null)
+    {
+        // Only attempt to check the row in if it exists.
+        if ($pk) {
+            $user = $this->getCurrentUser();
+
+            // Get an instance of the row to checkin.
+            $table = $this->getTable();
+
+            if (!$table->load($pk)) {
+                throw new \RuntimeException($table->getError());
+            }
+
+            // Check if this is the user has previously checked out the row.
+            if (!\is_null($table->checked_out) && $table->checked_out != $user->get('id') && !$user->authorise('core.admin', 'com_checkin')) {
+                throw new \RuntimeException($table->getError());
+            }
+
+            // Attempt to check the row in.
+            if (!$table->checkIn($pk)) {
+                throw new \RuntimeException($table->getError());
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Method to check-out a row for editing.
+     *
+     * @param   integer  $pk  The numeric id of the primary key.
+     *
+     * @return  boolean  False on failure or error, true otherwise.
+     *
+     * @since   3.2
+     */
+    public function checkout($pk = null)
+    {
+        // Only attempt to check the row in if it exists.
+        if ($pk) {
+            $user = $this->getCurrentUser();
+
+            // Get an instance of the row to checkout.
+            $table = $this->getTable();
+
+            if (!$table->load($pk)) {
+                throw new \RuntimeException($table->getError());
+            }
+
+            // Check if this is the user having previously checked out the row.
+            if (!\is_null($table->checked_out) && $table->checked_out != $user->get('id')) {
+                throw new \RuntimeException(Text::_('JLIB_APPLICATION_ERROR_CHECKOUT_USER_MISMATCH'));
+            }
+
+            // Attempt to check the row out.
+            if (!$table->checkOut($user->get('id'), $pk)) {
+                throw new \RuntimeException($table->getError());
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Method to get a form object.
+     *
+     * @param   string   $name     The name of the form.
+     * @param   string   $source   The form source. Can be XML string if file flag is set to false.
+     * @param   array    $options  Optional array of options for the form creation.
+     * @param   boolean  $clear    Optional argument to force load a new form.
+     * @param   string   $xpath    An optional xpath to search for the fields.
+     *
+     * @return  mixed  JForm object on success, False on error.
+     *
+     * @see     JForm
+     * @since   3.2
+     */
+    protected function loadForm($name, $source = null, $options = [], $clear = false, $xpath = false)
+    {
+        // Handle the optional arguments.
+        $options['control'] = ArrayHelper::getValue($options, 'control', false);
+
+        // Create a signature hash.
+        $hash = sha1($source . serialize($options));
+
+        // Check if we can use a previously loaded form.
+        if (isset($this->_forms[$hash]) && !$clear) {
+            return $this->_forms[$hash];
+        }
+
+        //  Register the paths for the form.
+        Form::addFormPath(JPATH_SITE . '/components/com_config/forms');
+        Form::addFormPath(JPATH_ADMINISTRATOR . '/components/com_config/forms');
+
+        try {
+            // Get the form.
+            $form = Form::getInstance($name, $source, $options, false, $xpath);
+
+            if (isset($options['load_data']) && $options['load_data']) {
+                // Get the data for the form.
+                $data = $this->loadFormData();
+            } else {
+                $data = [];
+            }
+
+            // Allow for additional modification of the form, and events to be triggered.
+            // We pass the data because plugins may require it.
+            $this->preprocessForm($form, $data);
+
+            // Load the data into the form after the plugins have operated.
+            $form->bind($data);
+        } catch (\Exception $e) {
+            Factory::getApplication()->enqueueMessage($e->getMessage());
+
+            return false;
+        }
+
+        // Store the form for later.
+        $this->_forms[$hash] = $form;
+
+        return $form;
+    }
+
+    /**
+     * Method to get the data that should be injected in the form.
+     *
+     * @return  array    The default data is an empty array.
+     *
+     * @since   3.2
+     */
+    protected function loadFormData()
+    {
+        return [];
+    }
+
+    /**
+     * Method to allow derived classes to preprocess the data.
+     *
+     * @param   string  $context  The context identifier.
+     * @param   mixed   &$data    The data to be processed. It gets altered directly.
+     * @param   string  $group    The name of the plugin group to import (defaults to "content").
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    protected function preprocessData($context, &$data, $group = 'content')
+    {
+        // Get the dispatcher and load the users plugins.
+        PluginHelper::importPlugin('content');
+
+        // Trigger the data preparation event.
+        Factory::getApplication()->triggerEvent('onContentPrepareData', [$context, $data]);
+    }
+
+    /**
+     * Method to allow derived classes to preprocess the form.
+     *
+     * @param   Form    $form   A Form object.
+     * @param   mixed   $data   The data expected for the form.
+     * @param   string  $group  The name of the plugin group to import (defaults to "content").
+     *
+     * @return  void
+     *
+     * @see     \Joomla\CMS\Form\FormField
+     * @since   3.2
+     * @throws  \Exception if there is an error in the form event.
+     */
+    protected function preprocessForm(Form $form, $data, $group = 'content')
+    {
+        // Import the appropriate plugin group.
+        PluginHelper::importPlugin($group);
+
+        // Trigger the form preparation event.
+        Factory::getApplication()->triggerEvent('onContentPrepareForm', [$form, $data]);
+    }
+
+    /**
+     * Method to validate the form data.
+     *
+     * @param   Form    $form   The form to validate against.
+     * @param   array   $data   The data to validate.
+     * @param   string  $group  The name of the field group to validate.
+     *
+     * @return  mixed  Array of filtered data if valid, false otherwise.
+     *
+     * @see     \Joomla\CMS\Form\FormRule
+     * @see     \Joomla\CMS\Filter\InputFilter
+     * @since   3.2
+     */
+    public function validate($form, $data, $group = null)
+    {
+        // Filter and validate the form data.
+        $data   = $form->filter($data);
+        $return = $form->validate($data, $group);
+
+        // Check for an error.
+        if ($return instanceof \Exception) {
+            Factory::getApplication()->enqueueMessage($return->getMessage(), 'error');
+
+            return false;
+        }
+
+        // Check the validation results.
+        if ($return === false) {
+            // Get the validation messages from the form.
+            foreach ($form->getErrors() as $message) {
+                if ($message instanceof \Exception) {
+                    $message = $message->getMessage();
+                }
+
+                Factory::getApplication()->enqueueMessage($message, 'error');
+            }
+
+            return false;
+        }
+
+        return $data;
+    }
+}

components/com_config/src/Model/ModulesModel.php

@@ -0,0 +1,253 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2014 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Model;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Form\Form;
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Language\Text;
+use Joomla\Filesystem\Path;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Config Module model.
+ *
+ * @since  3.2
+ */
+class ModulesModel extends FormModel
+{
+    /**
+     * Method to auto-populate the model state.
+     *
+     * Note. Calling getState in this method will result in recursion.
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    protected function populateState()
+    {
+        $app = Factory::getApplication();
+
+        // Load the User state.
+        $pk = $app->getInput()->getInt('id');
+
+        $this->setState('module.id', $pk);
+    }
+
+    /**
+     * Method to get the record form.
+     *
+     * @param   array    $data      Data for the form.
+     * @param   boolean  $loadData  True if the form is to load its own data (default case), false if not.
+     *
+     * @return  Form  A Form object on success, false on failure
+     *
+     * @since   3.2
+     */
+    public function getForm($data = [], $loadData = true)
+    {
+        // Get the form.
+        $form = $this->loadForm('com_config.modules', 'modules', ['control' => 'jform', 'load_data' => $loadData]);
+
+        if (empty($form)) {
+            return false;
+        }
+
+        return $form;
+    }
+
+    /**
+     * Method to preprocess the form
+     *
+     * @param   Form    $form   A form object.
+     * @param   mixed   $data   The data expected for the form.
+     * @param   string  $group  The name of the plugin group to import (defaults to "content").
+     *
+     * @return  void
+     *
+     * @since   3.2
+     * @throws  \Exception if there is an error loading the form.
+     */
+    protected function preprocessForm(Form $form, $data, $group = 'content')
+    {
+        $lang     = Factory::getLanguage();
+        $module   = $this->getState()->get('module.name');
+        $basePath = JPATH_BASE;
+
+        $formFile = Path::clean($basePath . '/modules/' . $module . '/' . $module . '.xml');
+
+        // Load the core and/or local language file(s).
+        $lang->load($module, $basePath)
+            || $lang->load($module, $basePath . '/modules/' . $module);
+
+        if (file_exists($formFile)) {
+            // Get the module form.
+            if (!$form->loadFile($formFile, false, '//config')) {
+                throw new \Exception(Text::_('JERROR_LOADFILE_FAILED'));
+            }
+
+            // Attempt to load the xml file.
+            if (!$xml = simplexml_load_file($formFile)) {
+                throw new \Exception(Text::_('JERROR_LOADFILE_FAILED'));
+            }
+        }
+
+        // Load the default advanced params
+        Form::addFormPath(JPATH_BASE . '/components/com_config/model/form');
+        $form->loadFile('modules_advanced', false);
+
+        // Trigger the default form events.
+        parent::preprocessForm($form, $data, $group);
+    }
+
+    /**
+     * Method to get list of module positions in current template
+     *
+     * @return  array
+     *
+     * @since   3.2
+     */
+    public function getPositions()
+    {
+        $lang         = Factory::getLanguage();
+        $templateName = Factory::getApplication()->getTemplate();
+
+        // Load templateDetails.xml file
+        $path                     = Path::clean(JPATH_BASE . '/templates/' . $templateName . '/templateDetails.xml');
+        $currentTemplatePositions = [];
+
+        if (file_exists($path)) {
+            $xml = simplexml_load_file($path);
+
+            if (isset($xml->positions[0])) {
+                // Load language files
+                $lang->load('tpl_' . $templateName . '.sys', JPATH_BASE)
+                || $lang->load('tpl_' . $templateName . '.sys', JPATH_BASE . '/templates/' . $templateName);
+
+                foreach ($xml->positions[0] as $position) {
+                    $value = (string) $position;
+                    $text  = preg_replace('/[^a-zA-Z0-9_\-]/', '_', 'TPL_' . strtoupper($templateName) . '_POSITION_' . strtoupper($value));
+
+                    // Construct list of positions
+                    $currentTemplatePositions[] = self::createOption($value, Text::_($text) . ' [' . $value . ']');
+                }
+            }
+        }
+
+        $templateGroups = [];
+
+        // Add an empty value to be able to deselect a module position
+        $option             = self::createOption();
+        $templateGroups[''] = self::createOptionGroup('', [$option]);
+
+        $templateGroups[$templateName] = self::createOptionGroup($templateName, $currentTemplatePositions);
+
+        // Add custom position to options
+        $customGroupText = Text::_('COM_MODULES_CUSTOM_POSITION');
+
+        $editPositions                    = true;
+        $customPositions                  = self::getActivePositions(0, $editPositions);
+        $templateGroups[$customGroupText] = self::createOptionGroup($customGroupText, $customPositions);
+
+        return $templateGroups;
+    }
+
+    /**
+     * Get a list of modules positions
+     *
+     * @param   integer  $clientId       Client ID
+     * @param   boolean  $editPositions  Allow to edit the positions
+     *
+     * @return  array  A list of positions
+     *
+     * @since   3.6.3
+     */
+    public static function getActivePositions($clientId, $editPositions = false)
+    {
+        $db    = Factory::getDbo();
+        $query = $db->getQuery(true)
+            ->select('DISTINCT position')
+            ->from($db->quoteName('#__modules'))
+            ->where($db->quoteName('client_id') . ' = ' . (int) $clientId)
+            ->order($db->quoteName('position'));
+
+        $db->setQuery($query);
+
+        try {
+            $positions = $db->loadColumn();
+            $positions = \is_array($positions) ? $positions : [];
+        } catch (\RuntimeException $e) {
+            Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
+
+            return;
+        }
+
+        // Build the list
+        $options = [];
+
+        foreach ($positions as $position) {
+            if (!$position && !$editPositions) {
+                $options[] = HTMLHelper::_('select.option', 'none', ':: ' . Text::_('JNONE') . ' ::');
+            } else {
+                $options[] = HTMLHelper::_('select.option', $position, $position);
+            }
+        }
+
+        return $options;
+    }
+
+    /**
+     * Create and return a new Option
+     *
+     * @param   string  $value  The option value [optional]
+     * @param   string  $text   The option text [optional]
+     *
+     * @return  object  The option as an object (stdClass instance)
+     *
+     * @since   3.6.3
+     */
+    private static function createOption($value = '', $text = '')
+    {
+        if (empty($text)) {
+            $text = $value;
+        }
+
+        $option        = new \stdClass();
+        $option->value = $value;
+        $option->text  = $text;
+
+        return $option;
+    }
+
+    /**
+     * Create and return a new Option Group
+     *
+     * @param   string  $label    Value and label for group [optional]
+     * @param   array   $options  Array of options to insert into group [optional]
+     *
+     * @return  array  Return the new group as an array
+     *
+     * @since   3.6.3
+     */
+    private static function createOptionGroup($label = '', $options = [])
+    {
+        $group          = [];
+        $group['value'] = $label;
+        $group['text']  = $label;
+        $group['items'] = $options;
+
+        return $group;
+    }
+}

components/com_config/src/Model/TemplatesModel.php

@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Model;
+
+use Joomla\CMS\Component\ComponentHelper;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Form\Form;
+use Joomla\CMS\Language\Text;
+use Joomla\Filesystem\Path;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Template style model.
+ *
+ * @since  3.2
+ */
+class TemplatesModel extends FormModel
+{
+    /**
+     * Method to auto-populate the model state.
+     *
+     * Note. Calling getState in this method will result in recursion.
+     *
+     * @return  null
+     *
+     * @since   3.2
+     */
+    protected function populateState()
+    {
+        parent::populateState();
+
+        $this->setState('params', ComponentHelper::getParams('com_templates'));
+    }
+
+    /**
+     * Method to get the record form.
+     *
+     * @param   array    $data      An optional array of data for the form to interrogate.
+     * @param   boolean  $loadData  True if the form is to load its own data (default case), false if not.
+     *
+     * @return  Form|bool    A JForm object on success, false on failure
+     *
+     * @since   3.2
+     */
+    public function getForm($data = [], $loadData = true)
+    {
+        try {
+            // Get the form.
+            $form = $this->loadForm('com_config.templates', 'templates', ['load_data' => $loadData]);
+
+            $data = [];
+            $this->preprocessForm($form, $data);
+
+            // Load the data into the form
+            $form->bind($data);
+        } catch (\Exception $e) {
+            Factory::getApplication()->enqueueMessage($e->getMessage());
+
+            return false;
+        }
+
+        if (empty($form)) {
+            return false;
+        }
+
+        return $form;
+    }
+
+    /**
+     * Method to preprocess the form
+     *
+     * @param   Form    $form   A form object.
+     * @param   mixed   $data   The data expected for the form.
+     * @param   string  $group  Plugin group to load
+     *
+     * @return  void
+     *
+     * @since   3.2
+     * @throws  \Exception if there is an error in the form event.
+     */
+    protected function preprocessForm(Form $form, $data, $group = 'content')
+    {
+        $lang = Factory::getLanguage();
+
+        $template = Factory::getApplication()->getTemplate();
+
+        // Load the core and/or local language file(s).
+        $lang->load('tpl_' . $template, JPATH_BASE)
+        || $lang->load('tpl_' . $template, JPATH_BASE . '/templates/' . $template);
+
+        // Look for com_config.xml, which contains fields to display
+        $formFile = Path::clean(JPATH_BASE . '/templates/' . $template . '/com_config.xml');
+
+        if (!file_exists($formFile)) {
+            // If com_config.xml not found, fall back to templateDetails.xml
+            $formFile = Path::clean(JPATH_BASE . '/templates/' . $template . '/templateDetails.xml');
+        }
+
+        // Get the template form.
+        if (file_exists($formFile) && !$form->loadFile($formFile, false, '//config')) {
+            throw new \Exception(Text::_('JERROR_LOADFILE_FAILED'));
+        }
+
+        // Attempt to load the xml file.
+        if (!$xml = simplexml_load_file($formFile)) {
+            throw new \Exception(Text::_('JERROR_LOADFILE_FAILED'));
+        }
+
+        // Trigger the default form events.
+        parent::preprocessForm($form, $data, $group);
+    }
+}

components/com_config/src/Service/Router.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\Service;
+
+use Joomla\CMS\Application\SiteApplication;
+use Joomla\CMS\Component\Router\RouterView;
+use Joomla\CMS\Component\Router\RouterViewConfiguration;
+use Joomla\CMS\Component\Router\Rules\MenuRules;
+use Joomla\CMS\Component\Router\Rules\NomenuRules;
+use Joomla\CMS\Component\Router\Rules\StandardRules;
+use Joomla\CMS\Menu\AbstractMenu;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Routing class from com_config
+ *
+ * @since  4.0.0
+ */
+class Router extends RouterView
+{
+    /**
+     * Config Component router constructor
+     *
+     * @param   SiteApplication  $app   The application object
+     * @param   AbstractMenu     $menu  The menu object to work with
+     */
+    public function __construct(SiteApplication $app, AbstractMenu $menu)
+    {
+        $this->registerView(new RouterViewConfiguration('config'));
+        $this->registerView(new RouterViewConfiguration('templates'));
+
+        parent::__construct($app, $menu);
+
+        $this->attachRule(new MenuRules($this));
+        $this->attachRule(new StandardRules($this));
+        $this->attachRule(new NomenuRules($this));
+    }
+}

components/com_config/src/View/Config/HtmlView.php

@@ -0,0 +1,135 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\View\Config;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use Joomla\Component\Config\Administrator\Controller\RequestController;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * View for the global configuration
+ *
+ * @since  3.2
+ */
+class HtmlView extends BaseHtmlView
+{
+    /**
+     * The form object
+     *
+     * @var   \Joomla\CMS\Form\Form
+     *
+     * @since 3.2
+     */
+    public $form;
+
+    /**
+     * The data to be displayed in the form
+     *
+     * @var   array
+     *
+     * @since 3.2
+     */
+    public $data;
+
+    /**
+     * Is the current user a super administrator?
+     *
+     * @var   boolean
+     *
+     * @since 3.2
+     */
+    protected $userIsSuperAdmin;
+
+    /**
+     * The page class suffix
+     *
+     * @var    string
+     *
+     * @since  4.0.0
+     */
+    protected $pageclass_sfx = '';
+
+    /**
+     * The page parameters
+     *
+     * @var    \Joomla\Registry\Registry|null
+     *
+     * @since  4.0.0
+     */
+    protected $params = null;
+
+    /**
+     * Execute and display a template script.
+     *
+     * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    public function display($tpl = null)
+    {
+        $user                   = $this->getCurrentUser();
+        $this->userIsSuperAdmin = $user->authorise('core.admin');
+
+        // Access backend com_config
+        $requestController = new RequestController();
+
+        // Execute backend controller
+        $serviceData = json_decode($requestController->getJson(), true);
+
+        $form = $this->getForm();
+
+        if ($form) {
+            $form->bind($serviceData);
+        }
+
+        $this->form = $form;
+        $this->data = $serviceData;
+
+        $this->_prepareDocument();
+
+        parent::display($tpl);
+    }
+
+    /**
+     * Prepares the document.
+     *
+     * @return  void
+     *
+     * @since   4.0.0
+     */
+    protected function _prepareDocument()
+    {
+        $params = Factory::getApplication()->getParams();
+
+        // Because the application sets a default page title, we need to get it
+        // right from the menu item itself
+
+        $this->setDocumentTitle($params->get('page_title', ''));
+
+        if ($params->get('menu-meta_description')) {
+            $this->getDocument()->setDescription($params->get('menu-meta_description'));
+        }
+
+        if ($params->get('robots')) {
+            $this->getDocument()->setMetaData('robots', $params->get('robots'));
+        }
+
+        // Escape strings for HTML output
+        $this->pageclass_sfx = htmlspecialchars($params->get('pageclass_sfx', ''));
+        $this->params        = &$params;
+    }
+}

components/com_config/src/View/Modules/HtmlView.php

@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\View\Modules;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Form\Form;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * View to edit a module.
+ *
+ * @since       3.2
+ */
+class HtmlView extends BaseHtmlView
+{
+    /**
+     * The module to be rendered
+     *
+     * @var   array
+     *
+     * @since 3.2
+     */
+    public $item;
+
+    /**
+     * The form object
+     *
+     * @var   Form
+     *
+     * @since 3.2
+     */
+    public $form;
+
+    /**
+     * Execute and display a template script.
+     *
+     * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    public function display($tpl = null)
+    {
+        $lang = Factory::getApplication()->getLanguage();
+        $lang->load('', JPATH_ADMINISTRATOR, $lang->getTag());
+        $lang->load('com_modules', JPATH_ADMINISTRATOR, $lang->getTag());
+
+        // @todo Move and clean up
+        $module = (new \Joomla\Component\Modules\Administrator\Model\ModuleModel())->getItem(Factory::getApplication()->getInput()->getInt('id'));
+
+        $moduleData = $module->getProperties();
+        unset($moduleData['xml']);
+
+        /** @var \Joomla\Component\Config\Site\Model\ModulesModel $model */
+        $model = $this->getModel();
+
+        // Need to add module name to the state of model
+        $model->getState()->set('module.name', $moduleData['module']);
+
+        /** @var Form form */
+        $this->form      = $this->get('form');
+        $this->positions = $this->get('positions');
+        $this->item      = $moduleData;
+
+        if ($this->form) {
+            $this->form->bind($moduleData);
+        }
+
+        $this->_prepareDocument();
+
+        parent::display($tpl);
+    }
+
+    /**
+     * Prepares the document.
+     *
+     * @return  void
+     *
+     * @since   4.0.0
+     */
+    protected function _prepareDocument()
+    {
+        // There is no menu item for this so we have to use the title from the component
+        $this->setDocumentTitle(Text::_('COM_CONFIG_MODULES_SETTINGS_TITLE'));
+    }
+}

components/com_config/src/View/Templates/HtmlView.php

@@ -0,0 +1,158 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Config\Site\View\Templates;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Form\Form;
+use Joomla\CMS\MVC\Factory\MVCFactory;
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use Joomla\Component\Config\Administrator\Controller\RequestController;
+use Joomla\Component\Templates\Administrator\View\Style\JsonView;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * View to edit a template style.
+ *
+ * @since  3.2
+ */
+class HtmlView extends BaseHtmlView
+{
+    /**
+     * The data to be displayed in the form
+     *
+     * @var   array
+     *
+     * @since 3.2
+     */
+    public $item;
+
+    /**
+     * The form object
+     *
+     * @var   Form
+     *
+     * @since 3.2
+     */
+    public $form;
+
+    /**
+     * Is the current user a super administrator?
+     *
+     * @var   boolean
+     *
+     * @since 3.2
+     */
+    protected $userIsSuperAdmin;
+
+    /**
+     * The page class suffix
+     *
+     * @var    string
+     *
+     * @since  4.0.0
+     */
+    protected $pageclass_sfx = '';
+
+    /**
+     * The page parameters
+     *
+     * @var    \Joomla\Registry\Registry|null
+     *
+     * @since  4.0.0
+     */
+    protected $params = null;
+
+    /**
+     * Method to render the view.
+     *
+     * @return  void
+     *
+     * @since   3.2
+     */
+    public function display($tpl = null)
+    {
+        $user                   = $this->getCurrentUser();
+        $this->userIsSuperAdmin = $user->authorise('core.admin');
+
+        $app   = Factory::getApplication();
+
+        $app->getInput()->set('id', $app->getTemplate(true)->id);
+
+        /** @var MVCFactory $factory */
+        $factory = $app->bootComponent('com_templates')->getMVCFactory();
+
+        /** @var JsonView $view */
+        $view = $factory->createView('Style', 'Administrator', 'Json');
+        $view->setModel($factory->createModel('Style', 'Administrator'), true);
+        $view->setLanguage($app->getLanguage());
+
+        $view->document = $this->getDocument();
+
+        $json = $view->display();
+
+        // Execute backend controller
+        $serviceData = json_decode($json, true);
+
+        // Access backend com_config
+        $requestController = new RequestController();
+
+        // Execute backend controller
+        $configData = json_decode($requestController->getJson(), true);
+
+        $data = array_merge($configData, $serviceData);
+
+        /** @var Form $form */
+        $form = $this->getForm();
+
+        if ($form) {
+            $form->bind($data);
+        }
+
+        $this->form = $form;
+
+        $this->data = $serviceData;
+
+        $this->_prepareDocument();
+
+        parent::display($tpl);
+    }
+
+    /**
+     * Prepares the document.
+     *
+     * @return  void
+     *
+     * @since   4.0.0
+     */
+    protected function _prepareDocument()
+    {
+        $params = Factory::getApplication()->getParams();
+
+        // Because the application sets a default page title, we need to get it
+        // right from the menu item itself
+        $this->setDocumentTitle($params->get('page_title', ''));
+
+        if ($params->get('menu-meta_description')) {
+            $this->getDocument()->setDescription($params->get('menu-meta_description'));
+        }
+
+        if ($params->get('robots')) {
+            $this->getDocument()->setMetaData('robots', $params->get('robots'));
+        }
+
+        // Escape strings for HTML output
+        $this->pageclass_sfx = htmlspecialchars($params->get('pageclass_sfx', ''));
+        $this->params        = &$params;
+    }
+}

components/com_config/tmpl/config/default.php

@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Router\Route;
+
+/** @var Joomla\CMS\WebAsset\WebAssetManager $wa */
+$wa = $this->document->getWebAssetManager();
+$wa->useScript('keepalive')
+    ->useScript('form.validate')
+    ->useScript('com_config.config')
+    ->useScript('inlinehelp');
+
+?>
+<?php if ($this->params->get('show_page_heading')) : ?>
+    <div class="page-header">
+        <h1>
+            <?php if ($this->escape($this->params->get('page_heading'))) : ?>
+                <?php echo $this->escape($this->params->get('page_heading')); ?>
+            <?php else : ?>
+                <?php echo $this->escape($this->params->get('page_title')); ?>
+            <?php endif; ?>
+        </h1>
+    </div>
+<?php endif; ?>
+<form action="<?php echo Route::_('index.php?option=com_config'); ?>" id="application-form" method="post" name="adminForm" class="form-validate">
+
+    <div class="mb-2 d-flex">
+        <button type="button" class="btn btn-sm btn-outline-info button-inlinehelp ms-auto">
+            <span class="fa fa-question-circle" aria-hidden="true"></span>
+            <?php echo Text::_('JINLINEHELP') ?>
+        </button>
+    </div>
+
+    <?php echo $this->loadTemplate('site'); ?>
+    <?php echo $this->loadTemplate('seo'); ?>
+    <?php echo $this->loadTemplate('metadata'); ?>
+
+    <input type="hidden" name="task" value="">
+    <?php echo HTMLHelper::_('form.token'); ?>
+
+    <div class="mb-2">
+    <button type="button" class="btn btn-primary" data-submit-task="config.apply">
+        <span class="icon-check" aria-hidden="true"></span>
+        <?php echo Text::_('JSAVE') ?>
+    </button>
+    <button type="button" class="btn btn-danger" data-submit-task="config.cancel">
+        <span class="icon-times" aria-hidden="true"></span>
+        <?php echo Text::_('JCANCEL') ?>
+    </button>
+    </div>
+
+</form>

components/com_config/tmpl/config/default.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metadata>
+	<layout title="COM_CONFIG_CONFIG_VIEW_DEFAULT_TITLE" option="COM_CONFIG_CONFIG_VIEW_DEFAULT_OPTION">
+		<help
+			key = "Menu_Item:_Site_Configuration_Options"
+		/>
+		<message>
+			<![CDATA[COM_CONFIG_CONFIG_VIEW_DEFAULT_DESC]]>
+		</message>
+	</layout>
+	<fields name="request">
+		<fieldset name="request">
+			<field
+				name="controller"
+				type="hidden"
+				default=""
+			/>
+		</fieldset>
+	</fields>
+</metadata>

components/com_config/tmpl/config/default_metadata.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Language\Text;
+
+?>
+<fieldset>
+
+    <legend><?php echo Text::_('COM_CONFIG_METADATA_SETTINGS'); ?></legend>
+
+    <?php foreach ($this->form->getFieldset('metadata') as $field) : ?>
+        <div class="mb-3">
+            <?php echo $field->label; ?>
+            <?php echo $field->input; ?>
+            <?php if ($field->description) : ?>
+                <div class="form-text hide-aware-inline-help d-none" id="<?php echo $field->id ?>-desc">
+                    <?php echo Text::_($field->description) ?>
+                </div>
+            <?php endif; ?>
+        </div>
+    <?php endforeach; ?>
+
+</fieldset>

components/com_config/tmpl/config/default_seo.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Language\Text;
+
+?>
+<fieldset>
+
+    <legend><?php echo Text::_('COM_CONFIG_SEO_SETTINGS'); ?></legend>
+
+    <?php foreach ($this->form->getFieldset('seo') as $field) : ?>
+        <div class="mb-3">
+            <?php echo $field->label; ?>
+            <?php echo $field->input; ?>
+            <?php if ($field->description) : ?>
+                <div class="form-text hide-aware-inline-help d-none" id="<?php echo $field->id ?>-desc">
+                    <?php echo Text::_($field->description) ?>
+                </div>
+            <?php endif; ?>
+        </div>
+    <?php endforeach; ?>
+
+</fieldset>

components/com_config/tmpl/config/default_site.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Language\Text;
+
+?>
+<fieldset>
+
+    <legend><?php echo Text::_('COM_CONFIG_SITE_SETTINGS'); ?></legend>
+
+    <?php foreach ($this->form->getFieldset('site') as $field) : ?>
+        <div class="mb-3">
+            <?php echo $field->label; ?>
+            <?php echo $field->input; ?>
+            <?php if ($field->description) : ?>
+                <div class="form-text hide-aware-inline-help d-none" id="<?php echo $field->id ?>-desc">
+                    <?php echo Text::_($field->description) ?>
+                </div>
+            <?php endif; ?>
+        </div>
+    <?php endforeach; ?>
+
+</fieldset>

components/com_config/tmpl/modules/default.php

@@ -0,0 +1,187 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2014 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Language\Multilanguage;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Router\Route;
+
+HTMLHelper::_('behavior.combobox');
+
+/** @var Joomla\CMS\WebAsset\WebAssetManager $wa */
+$wa = $this->document->getWebAssetManager();
+$wa->useScript('keepalive')
+    ->useScript('form.validate')
+    ->useScript('com_config.modules');
+
+$editorText  = false;
+$moduleXml   = JPATH_SITE . '/modules/' . $this->item['module'] . '/' . $this->item['module'] . '.xml';
+
+if (is_file($moduleXml)) {
+    $xml = simplexml_load_file($moduleXml);
+
+    if (isset($xml->customContent)) {
+        $editorText = true;
+    }
+}
+
+// If multi-language site, make language read-only
+if (Multilanguage::isEnabled()) {
+    $this->form->setFieldAttribute('language', 'readonly', 'true');
+}
+?>
+
+<form action="<?php echo Route::_('index.php?option=com_config'); ?>" method="post" name="adminForm" id="modules-form" class="form-validate">
+    <div class="row">
+        <div class="col-md-12">
+            <legend><?php echo Text::_('COM_CONFIG_MODULES_SETTINGS_TITLE'); ?></legend>
+
+            <div>
+                <?php echo Text::_('COM_CONFIG_MODULES_MODULE_NAME'); ?>
+                <span class="badge bg-secondary"><?php echo $this->item['title']; ?></span>
+                &nbsp;&nbsp;
+                <?php echo Text::_('COM_CONFIG_MODULES_MODULE_TYPE'); ?>
+                <span class="badge bg-secondary"><?php echo $this->item['module']; ?></span>
+            </div>
+            <hr>
+
+            <div class="row mb-4">
+                <div class="col-md-12">
+
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('title'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('title'); ?>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('showtitle'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('showtitle'); ?>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('position'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('position'); ?>
+                        </div>
+                    </div>
+
+                    <hr>
+
+                    <?php if ($this->getCurrentUser()->authorise('core.edit.state', 'com_modules.module.' . $this->item['id'])) : ?>
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('published'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('published'); ?>
+                        </div>
+                    </div>
+                    <?php endif ?>
+
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('publish_up'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('publish_up'); ?>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('publish_down'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('publish_down'); ?>
+                        </div>
+                    </div>
+
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('access'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('access'); ?>
+                        </div>
+                    </div>
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('ordering'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('ordering'); ?>
+                        </div>
+                    </div>
+
+                    <?php if (Multilanguage::isEnabled()) : ?>
+                        <div class="control-group">
+                            <div class="control-label">
+                                <?php echo $this->form->getLabel('language'); ?>
+                            </div>
+                            <div class="controls">
+                                <?php echo $this->form->getInput('language'); ?>
+                            </div>
+                        </div>
+                    <?php endif; ?>
+
+                    <div class="control-group">
+                        <div class="control-label">
+                            <?php echo $this->form->getLabel('note'); ?>
+                        </div>
+                        <div class="controls">
+                            <?php echo $this->form->getInput('note'); ?>
+                        </div>
+                    </div>
+
+                    <hr>
+
+                    <div id="options">
+                        <?php echo $this->loadTemplate('options'); ?>
+                    </div>
+
+                    <?php if ($editorText) : ?>
+                        <div class="mt-2" id="custom">
+                            <?php echo $this->form->getInput('content'); ?>
+                        </div>
+                    <?php endif; ?>
+                </div>
+
+                <input type="hidden" name="id" value="<?php echo $this->item['id']; ?>">
+                <input type="hidden" name="return" value="<?php echo Factory::getApplication()->getInput()->get('return', null, 'base64'); ?>">
+                <input type="hidden" name="task" value="">
+                <?php echo HTMLHelper::_('form.token'); ?>
+            </div>
+            <div class="mb-2">
+            <button type="button" class="btn btn-primary" data-submit-task="modules.apply">
+                <span class="icon-check" aria-hidden="true"></span>
+                <?php echo Text::_('JAPPLY'); ?>
+            </button>
+            <button type="button" class="btn btn-primary" data-submit-task="modules.save">
+                <span class="icon-check" aria-hidden="true"></span>
+                <?php echo Text::_('JSAVE'); ?>
+            </button>
+            <button type="button" class="btn btn-danger" data-submit-task="modules.cancel">
+                <span class="icon-times" aria-hidden="true"></span>
+                <?php echo Text::_('JCANCEL'); ?>
+            </button>
+            </div>
+        </div>
+    </div>
+</form>

components/com_config/tmpl/modules/default_options.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2014 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Language\Multilanguage;
+use Joomla\CMS\Language\Text;
+
+$fieldSets = $this->form->getFieldsets('params');
+
+echo HTMLHelper::_('bootstrap.startAccordion', 'collapseTypes');
+$i = 0;
+
+foreach ($fieldSets as $name => $fieldSet) :
+    $label = !empty($fieldSet->label) ? $fieldSet->label : 'COM_MODULES_' . strtoupper($name) . '_FIELDSET_LABEL';
+    $class = isset($fieldSet->class) && !empty($fieldSet->class) ? $fieldSet->class : '';
+
+
+    if (isset($fieldSet->description) && trim($fieldSet->description)) :
+        echo '<p class="tip">' . $this->escape(Text::_($fieldSet->description)) . '</p>';
+    endif;
+    ?>
+    <?php echo HTMLHelper::_('bootstrap.addSlide', 'collapseTypes', Text::_($label), 'collapse' . ($i++)); ?>
+
+<ul class="nav flex-column">
+    <?php foreach ($this->form->getFieldset($name) as $field) : ?>
+    <li>
+        <?php // If multi-language site, make menu-type selection read-only ?>
+        <?php if (Multilanguage::isEnabled() && $this->item['module'] === 'mod_menu' && $field->getAttribute('name') === 'menutype') : ?>
+            <?php $field->readonly = true; ?>
+        <?php endif; ?>
+        <?php echo $field->renderField(); ?>
+    </li>
+
+    <?php endforeach; ?>
+</ul>
+
+    <?php echo HTMLHelper::_('bootstrap.endSlide'); ?>
+<?php endforeach; ?>
+<?php echo HTMLHelper::_('bootstrap.endAccordion'); ?>

components/com_config/tmpl/templates/default.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\HTML\HTMLHelper;
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Router\Route;
+
+$user = $this->getCurrentUser();
+
+/** @var Joomla\CMS\WebAsset\WebAssetManager $wa */
+$wa = $this->document->getWebAssetManager();
+$wa->useScript('keepalive')
+    ->useScript('form.validate')
+    ->useScript('com_config.templates');
+
+?>
+<?php if ($this->params->get('show_page_heading')) : ?>
+    <div class="page-header">
+        <h1>
+            <?php if ($this->escape($this->params->get('page_heading'))) : ?>
+                <?php echo $this->escape($this->params->get('page_heading')); ?>
+            <?php else : ?>
+                <?php echo $this->escape($this->params->get('page_title')); ?>
+            <?php endif; ?>
+        </h1>
+    </div>
+<?php endif; ?>
+<form action="<?php echo Route::_('index.php?option=com_config'); ?>" method="post" name="adminForm" id="templates-form" class="form-validate">
+
+    <div id="page-site" class="tab-pane active">
+        <div class="row">
+            <div class="col-md-12">
+                <?php echo $this->loadTemplate('options'); ?>
+            </div>
+        </div>
+    </div>
+
+    <input type="hidden" name="task" value="">
+    <?php echo HTMLHelper::_('form.token'); ?>
+
+    <div class="mb-2">
+    <button type="button" class="btn btn-primary " data-submit-task="templates.apply">
+        <span class="icon-check text-white" aria-hidden="true"></span>
+        <?php echo Text::_('JSAVE') ?>
+    </button>
+    <button type="button" class="btn btn-danger" data-submit-task="templates.cancel">
+        <span class="icon-times text-white" aria-hidden="true"></span>
+        <?php echo Text::_('JCANCEL') ?>
+    </button>
+</div>
+
+</form>

components/com_config/tmpl/templates/default.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metadata>
+	<layout title="COM_CONFIG_TEMPLATES_VIEW_DEFAULT_TITLE" option="COM_CONFIG_TEMPLATES_VIEW_DEFAULT_OPTION">
+		<help
+			key = "Menu_Item:_Display_Template_Options"
+		/>
+		<message>
+			<![CDATA[COM_CONFIG_TEMPLATES_VIEW_DEFAULT_DESC]]>
+		</message>
+	</layout>
+	<fields name="request">
+		<fieldset name="request" >
+			<field
+				name="controller"
+				type="hidden"
+				default=""
+			/>
+		</fieldset>
+	</fields>
+</metadata>

components/com_config/tmpl/templates/default_options.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_config
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Language\Text;
+
+$fieldSets = $this->form->getFieldsets('params');
+?>
+
+<legend><?php echo Text::_('COM_CONFIG_TEMPLATE_SETTINGS'); ?></legend>
+
+<?php
+
+// Search for com_config field set
+if (!empty($fieldSets['com_config'])) {
+    echo $this->form->renderFieldset('com_config');
+} else {
+    // Fall-back to display all in params
+    foreach ($fieldSets as $name => $fieldSet) {
+        $label = !empty($fieldSet->label) ? $fieldSet->label : 'COM_CONFIG_' . $name . '_FIELDSET_LABEL';
+
+        if (isset($fieldSet->description) && trim($fieldSet->description)) {
+            echo '<p class="tip">' . $this->escape(Text::_($fieldSet->description)) . '</p>';
+        }
+
+        echo $this->form->renderFieldset($name);
+    }
+}