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libraries/cms/html/list.php
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270
libraries/cms/html/list.php
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<?php
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/**
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* @package Joomla.Libraries
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* @subpackage HTML
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* Utility class for creating different select lists
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*
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* @package Joomla.Libraries
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* @subpackage HTML
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* @since 1.5
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*/
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abstract class JHtmlList
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{
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/**
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* Build the select list to choose an image
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*
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* @param string $name The name of the field
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* @param string $active The selected item
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* @param string $javascript Alternative javascript
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* @param string $directory Directory the images are stored in
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* @param string $extensions Allowed extensions
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*
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* @return array Image names
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*
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* @since 1.5
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*/
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public static function images($name, $active = null, $javascript = null, $directory = null, $extensions = "bmp|gif|jpg|png")
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{
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if (!$directory)
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{
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$directory = '/images/';
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}
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if (!$javascript)
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{
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$javascript = "onchange=\"if (document.forms.adminForm." . $name
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. ".options[selectedIndex].value!='') {document.imagelib.src='..$directory' + document.forms.adminForm." . $name
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. ".options[selectedIndex].value} else {document.imagelib.src='media/system/images/blank.png'}\"";
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}
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$imageFiles = new DirectoryIterator(JPATH_SITE . '/' . $directory);
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$images = array(JHtml::_('select.option', '', JText::_('JOPTION_SELECT_IMAGE')));
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foreach ($imageFiles as $file)
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{
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$fileName = $file->getFilename();
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if (!$file->isFile())
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{
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continue;
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}
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if (preg_match('#(' . $extensions . ')$#', $fileName))
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{
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$images[] = JHtml::_('select.option', $fileName);
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}
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}
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$images = JHtml::_(
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'select.genericlist',
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$images,
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$name,
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array(
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'list.attr' => 'class="inputbox" size="1" ' . $javascript,
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'list.select' => $active
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)
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);
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return $images;
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}
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/**
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* Returns an array of options
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*
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* @param string $query SQL with 'ordering' AS value and 'name field' AS text
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* @param integer $chop The length of the truncated headline
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*
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* @return array An array of objects formatted for JHtml list processing
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*
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* @since 1.5
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*/
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public static function genericordering($query, $chop = 30)
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{
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$db = JFactory::getDbo();
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$options = array();
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$db->setQuery($query);
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$items = $db->loadObjectList();
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if (empty($items))
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{
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$options[] = JHtml::_('select.option', 1, JText::_('JOPTION_ORDER_FIRST'));
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return $options;
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}
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$options[] = JHtml::_('select.option', 0, '0 ' . JText::_('JOPTION_ORDER_FIRST'));
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for ($i = 0, $n = count($items); $i < $n; $i++)
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{
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$items[$i]->text = JText::_($items[$i]->text);
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if (JString::strlen($items[$i]->text) > $chop)
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{
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$text = JString::substr($items[$i]->text, 0, $chop) . "...";
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}
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else
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{
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$text = $items[$i]->text;
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}
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$options[] = JHtml::_('select.option', $items[$i]->value, $items[$i]->value . '. ' . $text);
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}
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$options[] = JHtml::_('select.option', $items[$i - 1]->value + 1, ($items[$i - 1]->value + 1) . ' ' . JText::_('JOPTION_ORDER_LAST'));
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return $options;
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}
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/**
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* Build the select list for Ordering derived from a query
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*
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* @param integer $name The scalar value
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* @param string $query The query
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* @param string $attribs HTML tag attributes
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* @param string $selected The selected item
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* @param integer $neworder 1 if new and first, -1 if new and last, 0 or null if existing item
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*
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* @return string HTML markup for the select list
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*
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* @since 1.6
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*/
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public static function ordering($name, $query, $attribs = null, $selected = null, $neworder = null)
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{
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if (empty($attribs))
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{
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$attribs = 'class="inputbox" size="1"';
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}
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if (empty($neworder))
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{
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$orders = JHtml::_('list.genericordering', $query);
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$html = JHtml::_('select.genericlist', $orders, $name, array('list.attr' => $attribs, 'list.select' => (int) $selected));
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}
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else
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{
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if ($neworder > 0)
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{
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$text = JText::_('JGLOBAL_NEWITEMSLAST_DESC');
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}
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elseif ($neworder <= 0)
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{
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$text = JText::_('JGLOBAL_NEWITEMSFIRST_DESC');
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}
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$html = '<input type="hidden" name="' . $name . '" value="' . (int) $selected . '" /><span class="readonly">' . $text . '</span>';
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}
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return $html;
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}
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/**
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* Select list of active users
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*
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* @param string $name The name of the field
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* @param string $active The active user
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* @param integer $nouser If set include an option to select no user
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* @param string $javascript Custom javascript
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* @param string $order Specify a field to order by
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*
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* @return string The HTML for a list of users list of users
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*
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* @since 1.5
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*/
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public static function users($name, $active, $nouser = 0, $javascript = null, $order = 'name')
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{
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$db = JFactory::getDbo();
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$query = $db->getQuery(true)
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->select('u.id AS value, u.name AS text')
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->from('#__users AS u')
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->join('LEFT', '#__user_usergroup_map AS m ON m.user_id = u.id')
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->where('u.block = 0')
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->order($order)
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->group('u.id');
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$db->setQuery($query);
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if ($nouser)
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{
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$users[] = JHtml::_('select.option', '0', JText::_('JOPTION_NO_USER'));
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$users = array_merge($users, $db->loadObjectList());
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}
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else
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{
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$users = $db->loadObjectList();
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}
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$users = JHtml::_(
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'select.genericlist',
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$users,
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$name,
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array(
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'list.attr' => 'class="inputbox" size="1" ' . $javascript,
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'list.select' => $active
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)
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);
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return $users;
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}
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/**
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* Select list of positions - generally used for location of images
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*
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* @param string $name Name of the field
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* @param string $active The active value
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* @param string $javascript Alternative javascript
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* @param boolean $none Null if not assigned
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* @param boolean $center Null if not assigned
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* @param boolean $left Null if not assigned
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* @param boolean $right Null if not assigned
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* @param boolean $id Null if not assigned
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*
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* @return array The positions
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*
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* @since 1.5
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*/
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public static function positions($name, $active = null, $javascript = null, $none = true, $center = true, $left = true, $right = true,
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$id = false)
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{
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$pos = array();
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if ($none)
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{
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$pos[''] = JText::_('JNONE');
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}
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if ($center)
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{
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$pos['center'] = JText::_('JGLOBAL_CENTER');
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}
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if ($left)
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{
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$pos['left'] = JText::_('JGLOBAL_LEFT');
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}
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if ($right)
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{
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$pos['right'] = JText::_('JGLOBAL_RIGHT');
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}
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$positions = JHtml::_(
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'select.genericlist', $pos, $name,
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array(
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'id' => $id,
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'list.attr' => 'class="inputbox" size="1"' . $javascript,
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'list.select' => $active,
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'option.key' => null,
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)
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);
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return $positions;
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}
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}
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