MDL-76867 core: Add plugintype_supports_disabling to plugininfo

lib/editor/tiny/classes/plugininfo/tiny.php

@@ -27,6 +27,10 @@ use moodle_url;
  */
 class tiny extends \core\plugininfo\base {
 
+    public static function plugintype_supports_disabling(): bool {
+        return true;
+    }
+
     /**
      * These subplugins can be uninstalled.
      *
@@ -94,6 +98,53 @@ class tiny extends \core\plugininfo\base {
      * @return null|string the settings section name.
      */
     public function get_settings_section_name(): ?string {
+        if (!file_exists($this->full_path('settings.php'))) {
+            return null;
+        }
+
         return "tiny_{$this->name}_settings";
     }
+
+    public static function get_enabled_plugins(): array {
+        $pluginmanager = \core_plugin_manager::instance();
+        $plugins = $pluginmanager->get_installed_plugins('tiny');
+
+        if (!$plugins) {
+            return [];
+        }
+
+        // Filter to return only enabled plugins.
+        $enabled = [];
+        foreach (array_keys($plugins) as $pluginname) {
+            $disabled = get_config("tiny_{$pluginname}", 'disabled');
+            if (empty($disabled)) {
+                $enabled[$pluginname] = $pluginname;
+            }
+        }
+        return $enabled;
+    }
+
+    public static function enable_plugin(string $plugin, int $enabled): bool {
+        $pluginname = "tiny_{$plugin}";
+
+        $oldvalue = !empty(get_config($pluginname, 'disabled'));
+        $disabled = empty($enabled);
+        $haschanged = false;
+
+        // Only set value if there is no config setting or if the value is different from the previous one.
+        if (!$oldvalue && $disabled) {
+            set_config('disabled', $disabled, $pluginname);
+            $haschanged = true;
+        } else if ($oldvalue && !$disabled) {
+            unset_config('disabled', $pluginname);
+            $haschanged = true;
+        }
+
+        if ($haschanged) {
+            add_to_config_log('disabled', $oldvalue, $disabled, $pluginname);
+            \core_plugin_manager::reset_caches();
+        }
+
+        return $haschanged;
+    }
 }

lib/editor/tiny/tests/plugininfo/tiny_test.php

@@ -0,0 +1,74 @@
+<?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/>.
+
+declare(strict_types=1);
+
+namespace editor_tiny\plugininfo;
+
+use advanced_testcase;
+
+/**
+ * Unit tests for the editor_tiny\tiny plugininfo class.
+ *
+ * @package     editor_tiny
+ * @covers      \editor_tiny\plugininfo\tiny
+ * @copyright   2023 Andrew Lyons <[email protected]>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class tiny_test extends advanced_testcase {
+    /**
+     * Uninstall is allowed of TinyMCE plugins.
+     *
+     * @covers ::is_uninstall_allowed
+     */
+    public function test_is_uninstall_allowed(): void {
+        $instance = new tiny();
+        $this->assertTrue($instance->is_uninstall_allowed());
+    }
+
+    /**
+     * Check the manage URL.
+     *
+     * @covers ::get_manage_url
+     */
+    public function test_get_manage_url(): void {
+        $this->assertInstanceOf(\moodle_url::class, tiny::get_manage_url());
+    }
+
+    /**
+     * Test the get_enabled_plugins method.
+     *
+     * @covers ::get_enabled_plugin
+     */
+    public function test_get_enabled_plugins(): void {
+        $this->resetAfterTest();
+
+        $plugins = tiny::get_enabled_plugins();
+        $this->assertArrayHasKey('recordrtc', $plugins);
+        $this->assertArrayHasKey('media', $plugins);
+        $this->assertArrayHasKey('autosave', $plugins);
+        $this->assertArrayHasKey('h5p', $plugins);
+
+        // Disable a plugin.
+        tiny::enable_plugin('h5p', 0);
+
+        $plugins = tiny::get_enabled_plugins();
+        $this->assertArrayHasKey('recordrtc', $plugins);
+        $this->assertArrayHasKey('media', $plugins);
+        $this->assertArrayHasKey('autosave', $plugins);
+        $this->assertArrayNotHasKey('h5p', $plugins);
+    }
+}