MDL-76867 editor_tiny: Add plugin management page

lib/editor/tiny/classes/manager.php

@@ -41,17 +41,17 @@ public function get_plugin_configuration(
         array $fpoptions = [],
         ?editor $editor = null
     ): array {
-        $disabledplugins = $this->get_disabled_plugins();
-
         // Get the list of plugins.
         // Note: Disabled plugins are already removed from this list.
         $plugins = $this->get_shipped_plugins();
 
         // Fetch configuration for Moodle plugins.
         $moodleplugins = \core_component::get_plugin_list_with_class('tiny', 'plugininfo');
+        $enabledplugins = \editor_tiny\plugininfo\tiny::get_enabled_plugins();
         foreach ($moodleplugins as $plugin => $classname) {
-            if (in_array($plugin, $disabledplugins) || in_array("{$plugin}/plugin", $disabledplugins)) {
-                // Skip getting data for disabled plugins.
+            [, $pluginname] = explode('_', $plugin, 2);
+            if (!in_array($pluginname, $enabledplugins)) {
+                // This plugin has been disabled.
                 continue;
             }
 
@@ -75,10 +75,6 @@ public function get_plugin_configuration(
                 $editor
             );
 
-            if (!empty($config)) {
-                $plugininfo['config'] = $config;
-            }
-
             // We suffix the plugin name for Moodle plugins with /plugin to avoid conflicts with Tiny plugins.
             $plugins["{$plugin}/plugin"] = $plugininfo;
         }
@@ -190,7 +186,7 @@ protected function get_available_plugins(): array {
         $plugins = $this->get_shipped_plugins();
         $plugins += $this->get_moodle_plugins();
 
-        $disabledplugins = $this->get_disabled_plugins();
+        $disabledplugins = $this->get_disabled_tinymce_plugins();
         $plugins = array_filter($plugins, function ($plugin) use ($disabledplugins) {
             return !in_array($plugin, $disabledplugins);
         }, ARRAY_FILTER_USE_KEY);
@@ -216,8 +212,8 @@ protected function get_shipped_plugins(): array {
             $plugins += $this->get_premium_plugins();
         }
 
-        $disabledplugins = $this->get_disabled_plugins();
-        return array_filter($plugins, function($plugin) use ($disabledplugins) {
+        $disabledplugins = $this->get_disabled_tinymce_plugins();
+        return array_filter($plugins, function ($plugin) use ($disabledplugins) {
             return !in_array($plugin, $disabledplugins);
         }, ARRAY_FILTER_USE_KEY);
     }
@@ -480,11 +476,13 @@ protected function get_tinymce_plugins(): array {
     }
 
     /**
-     * Get a list of the disabled plugins.
+     * Get a list of the built-in TinyMCE plugins which we want to disable.
+     *
+     * These are usually disabled because we have replaced them, or they are not compatible with Moodle in some way.
      *
      * @return string[]
      */
-    protected function get_disabled_plugins(): array {
+    protected function get_disabled_tinymce_plugins(): array {
         return [
             // Disable the image and media plugins.
             // These are not generally compatible with Moodle.

lib/editor/tiny/classes/table/plugin_management_table.php

@@ -0,0 +1,42 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace editor_tiny\table;
+
+use moodle_url;
+
+/**
+ * Tiny admin settings.
+ *
+ * @package editor_tiny
+ * @copyright 2023 Andrew Lyons <andrew@nicols.co.uk>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class plugin_management_table extends \core_admin\table\plugin_management_table {
+    protected function get_plugintype(): string {
+        return 'tiny';
+    }
+
+    public function guess_base_url(): void {
+        $this->define_baseurl(
+            new moodle_url('/admin/settings.php', ['section' => 'editorsettingstiny'])
+        );
+    }
+
+    protected function get_action_url(array $params = []): moodle_url {
+        return new moodle_url('/lib/editor/tiny/subplugins.php', $params);
+    }
+}

lib/editor/tiny/lang/en/editor_tiny.php

@@ -28,6 +28,8 @@
 $string['privacy:reason'] = 'The TinyMCE editor does not store any preferences or user data.';
 $string['branding'] = 'TinyMCE branding';
 $string['branding_desc'] = 'Support TinyMCE by displaying the logo in the bottom corner of the text editor. The logo links to the TinyMCE website.';
+$string['plugin_enabled'] = 'The {$a} plugin has been enabled.';
+$string['plugin_disabled'] = 'The {$a} plugin has been disabled.';
 $string['tiny:hash'] = '#';
 $string['tiny:accessibility'] = 'Accessibility';
 $string['tiny:action'] = 'Action';

lib/editor/tiny/settings.php

@@ -27,6 +27,13 @@
 $ADMIN->add('editorsettings', new admin_category('editortiny', $editor->displayname, $editor->is_enabled() === false));
 
 $settings = new admin_settingpage('editorsettingstiny', new lang_string('settings', 'editor_tiny'));
+$settings->add(new \core_admin\admin\admin_setting_plugin_manager(
+    'tiny',
+    \editor_tiny\table\plugin_management_table::class,
+    'editor_tiny_settings',
+    get_string('editorsettings', 'editor'),
+));
+
 if ($ADMIN->fulltree) {
     $setting = new admin_setting_configcheckbox(
         'editor_tiny/branding',
@@ -38,15 +45,15 @@
     $settings->add($setting);
 }
 
+// Note: We add editortiny to the settings page here manually rather than deferring to the plugininfo class.
+// This ensures that it shows in the category list too.
+$ADMIN->add('editortiny', $settings);
+
 foreach (core_plugin_manager::instance()->get_plugins_of_type('tiny') as $plugin) {
     /** @var \editor_tiny\plugininfo\tiny $plugin */
     $plugin->load_settings($ADMIN, 'editortiny', $hassiteconfig);
 }
 
-// Note: We add editortiny to the settings page here manually rather than deferring to the plugininfo class.
-// This ensures that it shows in the category list too.
-$ADMIN->add('editortiny', $settings);
-
 // Required or the editor plugininfo will add this section twice.
 unset($settings);
 $settings = null;

lib/editor/tiny/subplugins.php

@@ -0,0 +1,63 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Tiny subplugin management.
+ *
+ * @package   editor_tinymce
+ * @copyright  2023 Andrew Lyons <andrew@nicols.co.uk>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+require(__DIR__ . '/../../../config.php');
+require_once("{$CFG->libdir}/adminlib.php");
+
+$action = optional_param('action', '', PARAM_ALPHA);
+$plugin = optional_param('plugin', '', PARAM_PLUGIN);
+
+$PAGE->set_context(context_system::instance());
+$PAGE->set_url('/lib/editor/tinymce/subplugins.php');
+
+require_login();
+require_capability('moodle/site:config', context_system::instance());
+require_sesskey();
+
+$tinymanager = \core_plugin_manager::resolve_plugininfo_class('tiny');
+$pluginname = get_string('pluginname', "tiny_{$plugin}");
+
+switch ($action) {
+    case 'disable':
+        if ($tinymanager::enable_plugin($plugin, 0)) {
+            \core\notification::add(
+                get_string('plugin_disabled', 'editor_tiny', $pluginname),
+                \core\notification::SUCCESS
+            );
+        }
+        break;
+    case 'enable':
+        if ($tinymanager::enable_plugin($plugin, 1)) {
+            \core\notification::add(
+                get_string('plugin_enabled', 'editor_tiny', $pluginname),
+                \core\notification::SUCCESS
+            );
+        }
+        break;
+    default:
+}
+
+redirect(new moodle_url('/admin/settings.php', [
+    'section' => 'editorsettingstiny',
+]));

lib/editor/tiny/tests/behat/manage_subplugins.feature

@@ -0,0 +1,30 @@
+@core @core_admin
+Feature: An administrator can manage TinyMCE subplugins
+    In order to alter the user experience
+    As an admin
+    I can manage TinyMCE subplugins
+
+  @javascript
+  Scenario: An administrator can control the enabled state of TinyMCE subplugins using JavaScript
+    Given I am logged in as "admin"
+    And I navigate to "Plugins > Text editors > TinyMCE > General settings" in site administration
+    When I click on "Disable the Tiny equation editor plugin" "link"
+    Then I should see "The Tiny equation editor plugin has been disabled"
+    And "Disable the Tiny equation editor plugin" "link" should not exist
+    But "Enable the Tiny equation editor plugin" "link" should exist
+    When I click on "Enable the Tiny equation editor plugin" "link"
+    Then I should see "The Tiny equation editor plugin has been enabled"
+    And "Enable the Tiny equation editor plugin" "link" should not exist
+    But "Disable the Tiny equation editor plugin" "link" should exist
+
+  Scenario: An administrator can control the enabled state of TinyMCE subplugins without JavaScript
+    Given I am logged in as "admin"
+    And I navigate to "Plugins > Text editors > TinyMCE > General settings" in site administration
+    When I click on "Disable the Tiny equation editor plugin" "link"
+    Then I should see "The Tiny equation editor plugin has been disabled"
+    And "Disable the Tiny equation editor plugin" "link" should not exist
+    But "Enable the Tiny equation editor plugin" "link" should exist
+    When I click on "Enable the Tiny equation editor plugin" "link"
+    Then I should see "The Tiny equation editor plugin has been enabled"
+    And "Enable the Tiny equation editor plugin" "link" should not exist
+    But "Disable the Tiny equation editor plugin" "link" should exist

lib/editor/tiny/version.php

@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2022112800;        // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version   = 2023021301;        // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2022111800;
 $plugin->component = 'editor_tiny';     // Full name of the plugin (used for diagnostics).