<?php
/**
 * @package    FrameworkOnFramework
 * @subpackage form
 * @subpackage form
 * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */
// Protect from unauthorized access
defined('FOF_INCLUDED') or die;

JFormHelper::loadFieldClass('accesslevel');

/**
 * Form Field class for FOF
 * Joomla! access levels
 *
 * @package  FrameworkOnFramework
 * @since    2.0
 */
class FOFFormFieldAccesslevel extends JFormFieldAccessLevel implements FOFFormField
{
	protected $static;

	protected $repeatable;

	/** @var int A monotonically increasing number, denoting the row number in a repeatable view */
	public $rowid;

	/** @var   FOFTable  The item being rendered in a repeatable form field */
	public $item;

	/**
	 * Method to get certain otherwise inaccessible properties from the form field object.
	 *
	 * @param   string  $name  The property name for which to the the value.
	 *
	 * @return  mixed  The property value or null.
	 *
	 * @since   2.0
	 */
	public function __get($name)
	{
		switch ($name)
		{
			case 'static':
				if (empty($this->static))
				{
					$this->static = $this->getStatic();
				}

				return $this->static;
				break;

			case 'repeatable':
				if (empty($this->repeatable))
				{
					$this->repeatable = $this->getRepeatable();
				}

				return $this->repeatable;
				break;

			default:
				return parent::__get($name);
		}
	}

	/**
	 * Get the rendering of this field type for static display, e.g. in a single
	 * item view (typically a "read" task).
	 *
	 * @since 2.0
	 *
	 * @return  string  The field HTML
	 */
	public function getStatic()
	{
		$class = $this->element['class'] ? ' class="' . (string) $this->element['class'] . '"' : '';

		$params = $this->getOptions();

		$db    = FOFPlatform::getInstance()->getDbo();
		$query = $db->getQuery(true);

		$query->select('a.id AS value, a.title AS text');
		$query->from('#__viewlevels AS a');
		$query->group('a.id, a.title, a.ordering');
		$query->order('a.ordering ASC');
		$query->order($query->qn('title') . ' ASC');

		// Get the options.
		$db->setQuery($query);
		$options = $db->loadObjectList();

		// If params is an array, push these options to the array
		if (is_array($params))
		{
			$options = array_merge($params, $options);
		}

		// If all levels is allowed, push it into the array.
		elseif ($params)
		{
			array_unshift($options, JHtml::_('select.option', '', JText::_('JOPTION_ACCESS_SHOW_ALL_LEVELS')));
		}

		return '<span id="' . $this->id . '" ' . $class . '>' .
			htmlspecialchars(FOFFormFieldList::getOptionName($options, $this->value), ENT_COMPAT, 'UTF-8') .
			'</span>';
	}

	/**
	 * Get the rendering of this field type for a repeatable (grid) display,
	 * e.g. in a view listing many item (typically a "browse" task)
	 *
	 * @since 2.0
	 *
	 * @return  string  The field HTML
	 */
	public function getRepeatable()
	{
		$class = $this->element['class'] ? (string) $this->element['class'] : '';

		$params = $this->getOptions();

		$db    = FOFPlatform::getInstance()->getDbo();
		$query = $db->getQuery(true);

		$query->select('a.id AS value, a.title AS text');
		$query->from('#__viewlevels AS a');
		$query->group('a.id, a.title, a.ordering');
		$query->order('a.ordering ASC');
		$query->order($query->qn('title') . ' ASC');

		// Get the options.
		$db->setQuery($query);
		$options = $db->loadObjectList();

		// If params is an array, push these options to the array
		if (is_array($params))
		{
			$options = array_merge($params, $options);
		}

		// If all levels is allowed, push it into the array.
		elseif ($params)
		{
			array_unshift($options, JHtml::_('select.option', '', JText::_('JOPTION_ACCESS_SHOW_ALL_LEVELS')));
		}

		return '<span class="' . $this->id . ' ' . $class . '">' .
			htmlspecialchars(FOFFormFieldList::getOptionName($options, $this->value), ENT_COMPAT, 'UTF-8') .
			'</span>';
	}
}