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Path: /data/applications/aps/magento/1.1.3-2/standard/htdocs/lib/Varien/Data/Form/Element/ [ Home ]
File: Multiselect.php
<?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.
 *
 * @category   Varien
 * @package    Varien_Data
 * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Form select element
 *
 * @category   Varien
 * @package    Varien_Data
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Varien_Data_Form_Element_Multiselect extends Varien_Data_Form_Element_Abstract
{
    public function __construct($attributes=array())
    {
        parent::__construct($attributes);
        $this->setType('select');
        $this->setExtType('multiple');
        $this->setSize(10);
    }

    public function getName()
    {
        $name = parent::getName();
        if (strpos($name, '[]') === false) {
            $name.= '[]';
        }
        return $name;
    }

    public function getElementHtml()
    {
        $this->addClass('select');
        $html = '<select id="'.$this->getHtmlId().'" name="'.$this->getName().'" '.$this->serialize($this->getHtmlAttributes()).' multiple="multiple">'."\n";

        $value = $this->getValue();
        if (!is_array($value)) {
            $value = explode(',', $value);
        }

        if ($values = $this->getValues()) {
            foreach ($values as $option) {
                if (is_array($option['value'])) {
                    $html.='<optgroup label="'.$option['label'].'">'."\n";
                    foreach ($option['value'] as $groupItem) {
                        $html.= $this->_optionToHtml($groupItem, $value);
                    }
                    $html.='</optgroup>'."\n";
                }
                else {
                    $html.= $this->_optionToHtml($option, $value);
                }
            }
        }

        $html.= '</select>'."\n";
        $html.= $this->getAfterElementHtml();
        return $html;
    }

    public function getHtmlAttributes()
    {
        return array('title', 'class', 'style', 'onclick', 'onchange', 'disabled', 'size');
    }

    public function getDefaultHtml()
    {
        $result = ( $this->getNoSpan() === true ) ? '' : '<span class="field-row">'."\n";
        $result.= $this->getLabelHtml();
        $result.= $this->getElementHtml();


        if($this->getSelectAll() && $this->getDeselectAll()) {
            $result.= '<a href="#" onclick="return ' . $this->getJsObjectName() . '.selectAll()">' . $this->getSelectAll() . '</a> <span class="separator">&nbsp;|&nbsp;</span>';
            $result.= '<a href="#" onclick="return ' . $this->getJsObjectName() . '.deselectAll()">' . $this->getDeselectAll() . '</a>';
        }

        $result.= ( $this->getNoSpan() === true ) ? '' : '</span>'."\n";


        $result.= '<script type="text/javascript">' . "\n";
        $result.= '   var ' . $this->getJsObjectName() . ' = {' . "\n";
        $result.= '     selectAll: function() { ' . "\n";
        $result.= '         var sel = $("' . $this->getHtmlId() . '");' . "\n";
        $result.= '         for(var i = 0; i < sel.options.length; i ++) { ' . "\n";
        $result.= '             sel.options[i].selected = true; ' . "\n";
        $result.= '         } ' . "\n";
        $result.= '         return false; ' . "\n";
        $result.= '     },' . "\n";
        $result.= '     deselectAll: function() {' . "\n";
        $result.= '         var sel = $("' . $this->getHtmlId() . '");' . "\n";
        $result.= '         for(var i = 0; i < sel.options.length; i ++) { ' . "\n";
        $result.= '             sel.options[i].selected = false; ' . "\n";
        $result.= '         } ' . "\n";
        $result.= '         return false; ' . "\n";
        $result.= '     }' . "\n";
        $result.= '  }' . "\n";
        $result.= "\n</script>";

        return $result;
    }

    public function getJsObjectName() {
         return $this->getHtmlId() . 'ElementControl';
    }

    protected function _optionToHtml($option, $selected)
    {
        $html = '<option value="'.$this->_escape($option['value']).'"';
        $html.= isset($option['title']) ? 'title="'.$option['title'].'"' : '';
        $html.= isset($option['style']) ? 'style="'.$option['style'].'"' : '';
        if (in_array($option['value'], $selected)) {
            $html.= ' selected="selected"';
        }
        $html.= '>'.$option['label']. '</option>'."\n";
        return $html;
    }
}