<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Eav
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Entity/Attribute/Model - attribute selection source abstract
 *
 * @category   Mage
 * @package    Mage_Eav
 * @author     Magento Core Team <core@magentocommerce.com>
 */
abstract class Mage_Eav_Model_Entity_Attribute_Source_Abstract
    implements Mage_Eav_Model_Entity_Attribute_Source_Interface
{
    /**
     * Reference to the attribute instance
     *
     * @var Mage_Eav_Model_Entity_Attribute_Abstract
     */
    protected $_attribute;

    /**
     * Options array
     *
     * @var array
     */
    protected $_options                 = null;

    /**
     * Set attribute instance
     *
     * @param Mage_Eav_Model_Entity_Attribute_Abstract $attribute
     * @return Mage_Eav_Model_Entity_Attribute_Frontend_Abstract
     */
    public function setAttribute($attribute)
    {
        $this->_attribute = $attribute;
        return $this;
    }

    /**
     * Get attribute instance
     *
     * @return Mage_Eav_Model_Entity_Attribute_Abstract
     */
    public function getAttribute()
    {
        return $this->_attribute;
    }

    /**
     * Get a text for option value
     *
     * @param  string|integer $value
     * @return string|bool
     */
    public function getOptionText($value)
    {
        $options = $this->getAllOptions();
        // Fixed for tax_class_id and custom_design
        if (sizeof($options) > 0) foreach($options as $option) {
            if (isset($option['value']) && $option['value'] == $value) {
                return isset($option['label']) ? $option['label'] : $option['value'];
            }
        } // End
        if (isset($options[$value])) {
            return $options[$value];
        }
        return false;
    }

    public function getOptionId($value)
    {
        foreach ($this->getAllOptions() as $option) {
            if (strcasecmp($option['label'], $value)==0 || $option['value'] == $value) {
                return $option['value'];
            }
        }
        return null;
    }

    /**
     * Add Value Sort To Collection Select
     *
     * @param Mage_Eav_Model_Entity_Collection_Abstract $collection
     * @param string $dir direction
     * @return Mage_Eav_Model_Entity_Attribute_Source_Abstract
     */
    public function addValueSortToCollection($collection, $dir = Varien_Data_Collection::SORT_ORDER_DESC) {
        return $this;
    }

    /**
     * Retrieve flat column definition
     *
     * @return array
     */
    public function getFlatColums()
    {
        return array();
    }

    /**
     * Retrieve Indexes(s) for Flat
     *
     * @return array
     */
    public function getFlatIndexes()
    {
        return array();
    }

    /**
     * Retrieve Select For Flat Attribute update
     *
     * @param int $store
     * @return Varien_Db_Select|null
     */
    public function getFlatUpdateSelect($store)
    {
        return null;
    }
}