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list.php
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/
list.php
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<?php
/**
* @package Joomla.Platform
* @subpackage HTML
*
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Utility class for creating different select lists
*
* @package Joomla.Platform
* @subpackage HTML
* @since 11.1
*/
abstract class JHtmlList
{
/**
* Build the select list to choose an image
*
* @param string $name The name of the field
* @param string $active The selected item
* @param string $javascript Alternative javascript
* @param string $directory Directory the images are stored in
* @param string $extensions Allowed extensions
*
* @return array Image names
*
* @since 11.1
*/
public static function images($name, $active = null, $javascript = null, $directory = null, $extensions = "bmp|gif|jpg|png")
{
if (!$directory)
{
$directory = '/images/';
}
if (!$javascript)
{
$javascript = "onchange=\"if (document.forms.adminForm." . $name
. ".options[selectedIndex].value!='') {document.imagelib.src='..$directory' + document.forms.adminForm." . $name
. ".options[selectedIndex].value} else {document.imagelib.src='media/system/images/blank.png'}\"";
}
$imageFiles = new DirectoryIterator(JPATH_SITE . '/' . $directory);
$images = array(JHtml::_('select.option', '', JText::_('JOPTION_SELECT_IMAGE')));
foreach ($imageFiles as $file)
{
$fileName = $file->getFilename();
if (!$file->isFile())
{
continue;
}
if (preg_match('#(' . $extensions . ')$#', $fileName))
{
$images[] = JHtml::_('select.option', $fileName);
}
}
$images = JHtml::_(
'select.genericlist',
$images,
$name,
array(
'list.attr' => 'class="inputbox" size="1" ' . $javascript,
'list.select' => $active
)
);
return $images;
}
/**
* Returns an array of options
*
* @param string $sql SQL with 'ordering' AS value and 'name field' AS text
* @param integer $chop The length of the truncated headline
*
* @return array An array of objects formatted for JHtml list processing
*
* @since 11.1
*/
public static function genericordering($sql, $chop = 30)
{
$db = JFactory::getDbo();
$options = array();
$db->setQuery($sql);
$items = $db->loadObjectList();
if (empty($items))
{
$options[] = JHtml::_('select.option', 1, JText::_('JOPTION_ORDER_FIRST'));
return $options;
}
$options[] = JHtml::_('select.option', 0, '0 ' . JText::_('JOPTION_ORDER_FIRST'));
for ($i = 0, $n = count($items); $i < $n; $i++)
{
$items[$i]->text = JText::_($items[$i]->text);
if (JString::strlen($items[$i]->text) > $chop)
{
$text = JString::substr($items[$i]->text, 0, $chop) . "...";
}
else
{
$text = $items[$i]->text;
}
$options[] = JHtml::_('select.option', $items[$i]->value, $items[$i]->value . '. ' . $text);
}
$options[] = JHtml::_('select.option', $items[$i - 1]->value + 1, ($items[$i - 1]->value + 1) . ' ' . JText::_('JOPTION_ORDER_LAST'));
return $options;
}
/**
* Build the select list for Ordering derived from a query
*
* @param integer $name The scalar value
* @param string $query The query
* @param string $attribs HTML tag attributes
* @param string $selected The selected item
* @param integer $neworder 1 if new and first, -1 if new and last, 0 or null if existing item
*
* @return string Html for the select list
*
* @since 11.1
*/
public static function ordering($name, $query, $attribs = null, $selected = null, $neworder = null)
{
if (empty($attribs))
{
$attribs = 'class="inputbox" size="1"';
}
if (empty($neworder))
{
$orders = JHtml::_('list.genericordering', $query);
$html = JHtml::_('select.genericlist', $orders, $name, array('list.attr' => $attribs, 'list.select' => (int) $selected));
}
else
{
if ($neworder > 0)
{
$text = JText::_('JGLOBAL_NEWITEMSLAST_DESC');
}
elseif ($neworder <= 0)
{
$text = JText::_('JGLOBAL_NEWITEMSFIRST_DESC');
}
$html = '<input type="hidden" name="' . $name . '" value="' . (int) $selected . '" />' . '<span class="readonly">' . $text . '</span>';
}
return $html;
}
/**
* Select list of active users
*
* @param string $name The name of the field
* @param string $active The active user
* @param integer $nouser If set include an option to select no user
* @param string $javascript Custom javascript
* @param string $order Specify a field to order by
*
* @return string The HTML for a list of users list of users
*
* @since 11.1
*/
public static function users($name, $active, $nouser = 0, $javascript = null, $order = 'name')
{
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('u.id AS value, u.name AS text');
$query->from('#__users AS u');
$query->join('LEFT', '#__user_usergroup_map AS m ON m.user_id = u.id');
$query->where('u.block = 0');
$query->order($order);
$query->group('u.id');
$db->setQuery($query);
if ($nouser)
{
$users[] = JHtml::_('select.option', '0', JText::_('JOPTION_NO_USER'));
$users = array_merge($users, $db->loadObjectList());
}
else
{
$users = $db->loadObjectList();
}
$users = JHtml::_(
'select.genericlist',
$users,
$name,
array(
'list.attr' => 'class="inputbox" size="1" ' . $javascript,
'list.select' => $active
)
);
return $users;
}
/**
* Select list of positions - generally used for location of images
*
* @param string $name Name of the field
* @param string $active The active value
* @param string $javascript Alternative javascript
* @param boolean $none Null if not assigned
* @param boolean $center Null if not assigned
* @param boolean $left Null if not assigned
* @param boolean $right Null if not assigned
* @param boolean $id Null if not assigned
*
* @return array The positions
*
* @since 11.1
*/
public static function positions($name, $active = null, $javascript = null, $none = true, $center = true, $left = true, $right = true,
$id = false)
{
$pos = array();
if ($none)
{
$pos[''] = JText::_('JNONE');
}
if ($center)
{
$pos['center'] = JText::_('JGLOBAL_CENTER');
}
if ($left)
{
$pos['left'] = JText::_('JGLOBAL_LEFT');
}
if ($right)
{
$pos['right'] = JText::_('JGLOBAL_RIGHT');
}
$positions = JHtml::_(
'select.genericlist', $pos, $name,
array(
'id' => $id,
'list.attr' => 'class="inputbox" size="1"' . $javascript,
'list.select' => $active,
'option.key' => null,
)
);
return $positions;
}
}