<?php
/**
 * @package     Joomla.Libraries
 * @subpackage  HTML
 *
 * @copyright   Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('JPATH_PLATFORM') or die;

/**
 * Utility class for icons.
 *
 * @since  2.5
 */
abstract class JHtmlIcons
{
	/**
	 * Method to generate html code for a list of buttons
	 *
	 * @param   array  $buttons  Array of buttons
	 *
	 * @return  string
	 *
	 * @since   2.5
	 */
	public static function buttons($buttons)
	{
		$html = array();

		foreach ($buttons as $button)
		{
			$html[] = JHtml::_('icons.button', $button);
		}

		return implode($html);
	}

	/**
	 * Method to generate html code for a list of buttons
	 *
	 * @param   array  $button  Button properties
	 *
	 * @return  string
	 *
	 * @since   2.5
	 */
	public static function button($button)
	{
		if (isset($button['access']))
		{
			if (is_bool($button['access']))
			{
				if ($button['access'] == false)
				{
					return '';
				}
			}
			else
			{
				// Get the user object to verify permissions
				$user = JFactory::getUser();

				// Take each pair of permission, context values.
				for ($i = 0, $n = count($button['access']); $i < $n; $i += 2)
				{
					if (!$user->authorise($button['access'][$i], $button['access'][$i + 1]))
					{
						return '';
					}
				}
			}
		}

		// Instantiate a new JLayoutFile instance and render the layout
		$layout = new JLayoutFile('joomla.quickicons.icon');

		return $layout->render($button);
	}
}
