feat: cascade enable/disable across all MokoWaaS extensions

When the core system plugin is disabled, all feature plugins
(firewall, tenant, devtools, monitor) and the cpanel module are
automatically disabled too. Re-enabling cascades the same way.

Authored-by: Moko Consulting
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/packages/plg_system_mokowaas/Extension/MokoWaaS.php

@@ -1463,6 +1463,96 @@ class MokoWaaS extends CMSPlugin implements BootableExtensionInterface
 		return true;
 	}
 
+	/**
+	 * Cascade enable/disable state across all MokoWaaS extensions.
+	 *
+	 * When the core system plugin (plg_system_mokowaas) is disabled,
+	 * all feature plugins and the cpanel module are also disabled.
+	 * When re-enabled, they are re-enabled too.
+	 *
+	 * @param   string  $context      The extension context
+	 * @param   array   $pks          Extension IDs being changed
+	 * @param   int     $value        New state (1=enabled, 0=disabled)
+	 *
+	 * @return  void
+	 *
+	 * @since   02.32.00
+	 */
+	public function onExtensionChangeState($context, $pks, $value)
+	{
+		if (empty($pks))
+		{
+			return;
+		}
+
+		try
+		{
+			$db = Factory::getDbo();
+
+			// Check if the core MokoWaaS plugin is among the changed extensions
+			$query = $db->getQuery(true)
+				->select($db->quoteName('extension_id'))
+				->from($db->quoteName('#__extensions'))
+				->where($db->quoteName('element') . ' = ' . $db->quote('mokowaas'))
+				->where($db->quoteName('type') . ' = ' . $db->quote('plugin'))
+				->where($db->quoteName('folder') . ' = ' . $db->quote('system'));
+			$db->setQuery($query);
+			$coreId = (int) $db->loadResult();
+
+			if (!$coreId || !\in_array($coreId, array_map('intval', $pks), true))
+			{
+				return;
+			}
+
+			// Cascade to all MokoWaaS feature plugins + module
+			$mokoElements = [
+				$db->quote('mokowaas_firewall'),
+				$db->quote('mokowaas_tenant'),
+				$db->quote('mokowaas_devtools'),
+				$db->quote('mokowaas_monitor'),
+				$db->quote('mod_mokowaas_cpanel'),
+			];
+
+			$query = $db->getQuery(true)
+				->update($db->quoteName('#__extensions'))
+				->set($db->quoteName('enabled') . ' = ' . (int) $value)
+				->where($db->quoteName('element') . ' IN (' . implode(',', $mokoElements) . ')');
+			$db->setQuery($query);
+			$db->execute();
+			$affected = $db->getAffectedRows();
+
+			// Also update module published state
+			if ($value == 0)
+			{
+				$db->setQuery(
+					$db->getQuery(true)
+						->update($db->quoteName('#__modules'))
+						->set($db->quoteName('published') . ' = 0')
+						->where($db->quoteName('module') . ' = ' . $db->quote('mod_mokowaas_cpanel'))
+				)->execute();
+			}
+			else
+			{
+				$db->setQuery(
+					$db->getQuery(true)
+						->update($db->quoteName('#__modules'))
+						->set($db->quoteName('published') . ' = 1')
+						->where($db->quoteName('module') . ' = ' . $db->quote('mod_mokowaas_cpanel'))
+				)->execute();
+			}
+
+			$state = $value ? 'enabled' : 'disabled';
+			$this->app->enqueueMessage(
+				"MokoWaaS: {$state} {$affected} associated extensions.",
+				'message'
+			);
+		}
+		catch (\Throwable $e)
+		{
+			Log::add('MokoWaaS cascade state error: ' . $e->getMessage(), Log::WARNING, 'mokowaas');
+		}
+	}
+
 	/**
 	 * Filter admin menu items for non-master users.
 	 *