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<?php
/**
* @package Joomla.Libraries
* @subpackage HTML
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* HTML utility class for creating a sortable table list
*
* @since 3.0
*/
abstract class JHtmlSortablelist
{
/**
* @var array Array containing information for loaded files
* @since 3.0
*/
protected static $loaded = array();
/**
* Method to load the Sortable script and make table sortable
*
* @param string $tableId DOM id of the table
* @param string $formId DOM id of the form
* @param string $sortDir Sort direction
* @param string $saveOrderingUrl Save ordering url, ajax-load after an item dropped
* @param boolean $proceedSaveOrderButton Set whether a save order button is displayed
* @param boolean $nestedList Set whether the list is a nested list
*
* @return void
*
* @since 3.0
*
* @throws InvalidArgumentException
*/
public static function sortable($tableId, $formId, $sortDir = 'asc', $saveOrderingUrl = null, $proceedSaveOrderButton = true, $nestedList = false)
{
// Only load once
if (isset(static::$loaded[__METHOD__]))
{
return;
}
// Note: $i is required but has to be an optional argument in the function call due to argument order
if (null === $saveOrderingUrl)
{
throw new InvalidArgumentException('$saveOrderingUrl is a required argument in JHtmlSortablelist::sortable');
}
// Depends on jQuery UI
JHtml::_('jquery.ui', array('core', 'sortable'));
JHtml::_('script', 'jui/sortablelist.js', false, true);
JHtml::_('stylesheet', 'jui/sortablelist.css', false, true, false);
// Attach sortable to document
JFactory::getDocument()->addScriptDeclaration("
(function ($){
$(document).ready(function (){
var sortableList = new $.JSortableList('#"
. $tableId . " tbody','" . $formId . "','" . $sortDir . "' , '" . $saveOrderingUrl . "','','" . $nestedList . "');
});
})(jQuery);
"
);
if ($proceedSaveOrderButton)
{
static::_proceedSaveOrderButton();
}
// Set static array
static::$loaded[__METHOD__] = true;
return;
}
/**
* Method to inject script for enabled and disable Save order button
* when changing value of ordering input boxes
*
* @return void
*
* @since 3.0
*/
public static function _proceedSaveOrderButton()
{
JFactory::getDocument()->addScriptDeclaration(
"(function ($){
$(document).ready(function (){
var saveOrderButton = $('.saveorder');
saveOrderButton.css({'opacity':'0.2', 'cursor':'default'}).attr('onclick','return false;');
var oldOrderingValue = '';
$('.text-area-order').focus(function ()
{
oldOrderingValue = $(this).attr('value');
})
.keyup(function (){
var newOrderingValue = $(this).attr('value');
if (oldOrderingValue != newOrderingValue)
{
saveOrderButton.css({'opacity':'1', 'cursor':'pointer'}).removeAttr('onclick')
}
});
});
})(jQuery);"
);
return;
}
}