script.php

<?php
/**
 * @package    Example_Postinstall_Messages
 * @author     b2z <bzzjuka@gmail.com>
 * @copyright  Copyright (C) 2013 Dmitry Rekun. All rights reserved.
 * @license    GNU General Public License version 3 or later; see license.txt
 */

defined('_JEXEC') or die;

/**
 * Plugin installer script
 *
 * @package  Example_Postinstall_Messages
 * @since    1.0
 */
class plgSystemExample_Postinstall_MessagesInstallerScript
{
	/**
	 * Method to run on the plugin install.
	 *
	 * @param   object  $parent  Parent object.
	 *
	 * @return  void
	 */
	public function install($parent)
	{
		$db = JFactory::getDbo();
		$query = $db->getQuery(true)
			->insert($db->quoteName('#__postinstall_messages'))
			->columns('`extension_id`,
				`title_key`,
				`description_key`,
				`action_key`,
				`language_extension`,
				`language_client_id`,
				`type`,
				`action_file`,
				`action`,
				`condition_file`,
				`condition_method`,
				`version_introduced`,
				`enabled`')
			->values('700,
				"PLG_SYSTEM_EXAMPLE_POSTINSTALL_MESSAGES_POSTINSTALL_TITLE",
				"PLG_SYSTEM_EXAMPLE_POSTINSTALL_MESSAGES_POSTINSTALL_BODY",
				"PLG_SYSTEM_EXAMPLE_POSTINSTALL_MESSAGES_POSTINSTALL_ACTION",
				"plg_system_example_postinstall_messages",
				1,
				"action",
				"site://plugins/system/example_postinstall_messages/postinstall/actions.php",
				"example_postinstall_action",
				"site://plugins/system/example_postinstall_messages/postinstall/actions.php",
				"example_postinstall_condition",
				"3.2.0",
				1');
		$db->setQuery($query);
		$db->execute();
	}

	/**
	 * Method to run on the plugin uninstall.
	 *
	 * @param   object  $parent  Parent object.
	 *
	 * @return  void
	 */
	public function uninstall($parent)
	{
		$db = JFactory::getDbo();
		$query = $db->getQuery(true)
			->delete($db->quoteName('#__postinstall_messages'))
			->where($db->quoteName('language_extension') . ' = ' . $db->quote('plg_system_example_postinstall_messages'));
		$db->setQuery($query);
		$db->execute();
	}
}