protected function removeAllThemes()
{
jimport('joomla.installer.installer');
require_once dirname(__FILE__) . DIRECTORY_SEPARATOR . 'classes' . DIRECTORY_SEPARATOR . 'jsn_is_showcasetheme.php';
$objJSNTheme = new JSNISShowcaseTheme();
$listThemes = $objJSNTheme->listThemes(false);
$installer = new JInstaller();
$extentsion = JTable::getInstance('extension');
JPluginHelper::importPlugin('jsnimageshow');
$dispatcher = JDispatcher::getInstance();
if (count($listThemes)) {
foreach ($listThemes as $theme) {
$id = trim($theme['id']);
$extentsion->load($id);
$extentsion->protected = 0;
$extentsion->store();
$dispatcher->trigger('onExtensionBeforeUninstall', array('eid' => $id));
$result = $installer->uninstall('plugin', $id);
}
$this->app->enqueueMessage('Successfully removed all JSN ImageShow Theme plugins');
}
}
