<?php
/**
 * @package    FrameworkOnFramework
 * @subpackage form
 * @copyright  Copyright (C) 2010 - 2014 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('list');

/**
 * Form Field class for FOF
 * Supports a generic list of options.
 *
 * @package  FrameworkOnFramework
 * @since    2.0
 */
class FOFFormFieldPublished extends JFormFieldList implements FOFFormField
{
	protected $static;

	protected $repeatable;

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

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

	/**
	 * 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);
		}
	}

	/**
	 * Method to get the field options.
	 *
	 * @since 2.0
	 *
	 * @return  array  The field option objects.
	 */
	protected function getOptions()
	{
		$options = parent::getOptions();

		if (!empty($options))
		{
			return $options;
		}

		// If no custom options were defined let's figure out which ones of the
		// defaults we shall use...

		$config = array(
			'published'		 => 1,
			'unpublished'	 => 1,
			'archived'		 => 0,
			'trash'			 => 0,
			'all'			 => 0,
		);

		$configMap = array(
			'show_published'	=> array('published', 1),
			'show_unpublished'	=> array('unpublished', 1),
			'show_archived'		=> array('archived', 0),
			'show_trash'		=> array('trash', 0),
			'show_all'			=> array('all', 0),
		);

		foreach ($configMap as $attribute => $preferences)
		{
			list($configKey, $default) = $preferences;

			switch (strtolower($this->element[$attribute]))
			{
				case 'true':
				case '1':
				case 'yes':
					$config[$configKey] = true;

				case 'false':
				case '0':
				case 'no':
					$config[$configKey] = false;

				default:
					$config[$configKey] = $default;
			}
		}

		if ($config['published'])
		{
			$stack[] = JHtml::_('select.option', '1', JText::_('JPUBLISHED'));
		}

		if ($config['unpublished'])
		{
			$stack[] = JHtml::_('select.option', '0', JText::_('JUNPUBLISHED'));
		}

		if ($config['archived'])
		{
			$stack[] = JHtml::_('select.option', '2', JText::_('JARCHIVED'));
		}

		if ($config['trash'])
		{
			$stack[] = JHtml::_('select.option', '-2', JText::_('JTRASHED'));
		}

		if ($config['all'])
		{
			$stack[] = JHtml::_('select.option', '*', JText::_('JALL'));
		}

		return $stack;
	}

	/**
	 * 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'] . '"' : '';

		return '<span id="' . $this->id . '" ' . $class . '>' .
			htmlspecialchars(FOFFormFieldList::getOptionName($this->getOptions(), $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()
	{
		if (!($this->item instanceof FOFTable))
		{
			throw new Exception(__CLASS__ . ' needs a FOFTable to act upon');
		}

		// Initialise
		$prefix = '';
		$checkbox = 'cb';
		$publish_up = null;
		$publish_down = null;
		$enabled = true;

		// Get options
		if ($this->element['prefix'])
		{
			$prefix = (string) $this->element['prefix'];
		}

		if ($this->element['checkbox'])
		{
			$checkbox = (string) $this->element['checkbox'];
		}

		if ($this->element['publish_up'])
		{
			$publish_up = (string) $this->element['publish_up'];
		}

		if ($this->element['publish_down'])
		{
			$publish_down = (string) $this->element['publish_down'];
		}

		// @todo Enforce ACL checks to determine if the field should be enabled or not
		// Get the HTML
		return JHTML::_('jgrid.published', $this->value, $this->rowid, $prefix, $enabled, $checkbox, $publish_up, $publish_down);
	}
}
