<?php

class AA_Text_Widget extends WP_Widget_Text {

	function __construct() {
		WP_Widget::__construct(
	 		'text_widget', // Base ID
			'AA > Testo', // Name
			array( 'description' => 'Testo o codice HTML | Amministrazione Accessibile' ), // Args
			array('width' => 400, 'height' => 350) // Control Ops
		);
	}

	function widget( $args, $instance ) {
		ob_start();
		parent::widget($args, $instance);
		echo str_replace('class="textwidget"', 'class="textwidget panel-body"', ob_get_clean());
	}

}