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<?php
/**
* @version 1.5 stable $Id: flexiusergroup.php 1348 2012-06-19 02:38:15Z ggppdk $
* @package Joomla
* @subpackage FLEXIcontent
* @copyright (C) 2009 Emmanuel Danan - www.vistamedia.fr
* @license GNU/GPL v2
*
* FLEXIcontent is a derivative work of the excellent QuickFAQ component
* @copyright (C) 2008 Christoph Lukes
* see www.schlu.net for more information
*
* FLEXIcontent is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die('Restricted access');
jimport('cms.html.html'); // JHtml
jimport('cms.html.select'); // JHtmlSelect
jimport('joomla.form.field'); // JFormField
//jimport('joomla.form.helper'); // JFormHelper
//JFormHelper::loadFieldClass('usergroup'); // JFormFieldUsergroup
/**
* Form Field class for the Joomla Platform.
* Supports a nested check box field listing user groups.
* Multiselect is available by default.
*
* @package Joomla
* @subpackage FLEXIcontent
* @since 1.5
*/
class JFormFieldFLEXIUsergroup extends JFormField // JFormFieldUsergroup
{
/**
* The form field type OR name
* @access protected
* @var string
*/
protected $type = 'FLEXIUsergroup';
/**
* Method to get the user group field input markup.
*
* @return string The field input markup.
*
* @since 11.1
*/
protected function getInput()
{
// Get attribute array
$node = & $this->element;
$attributes = get_object_vars($node->attributes());
$attributes = $attributes['@attributes'];
$children = $node->children();
// Get values array
$values = $this->value;
if ( empty($values) ) $values = array();
else if ( ! is_array($values) ) $values = !FLEXI_J16GE ? array($values) : explode("|", $values);
// Get field and element name
$fieldname = $this->name;
$element_id = $this->id;
// Initialize variables.
$extra_options = array();
$allowAll = @$attributes['allowall'];
$faGrps = @$attributes['fagrps'];
// Iterate through the children and build an array of options.
foreach ($children as $option)
{
// Only add <option /> elements.
$is_option = $option->getName()=='option';
if ( !$is_option ) continue;
// Get variable for creating an extra option object based on the <option /> element
$option_value = (string)( FLEXI_J16GE ? $option['value'] : $option->_attributes['value']);
$option_text = (string)( FLEXI_J16GE ? trim((string) $option) : $option->_data);
$option_disabled = (string)( FLEXI_J16GE ? $option['disabled'] : $option->_attributes['disabled']);
$option_disabled = ((string) $option_disabled == 'true');
// Create the extra option object
$tmp = JHtml::_('select.option', $option_value, $option_text, 'value', 'text', $option_disabled);
// Class / JS / other attributes
$tmp->class = (string)( FLEXI_J16GE ? $option['class'] : $option->_attributes['class']);
$tmp->onclick = (string)( FLEXI_J16GE ? $option['onclick'] : $option->_attributes['onclick']);
// Add the option object to the result set.
$extra_options[] = $tmp;
}
$db = JFactory::getDbo();
$db->setQuery(
'SELECT a.id AS value, a.title AS text, COUNT(DISTINCT b.id) AS level' .
' FROM #__usergroups AS a' .
' LEFT JOIN `#__usergroups` AS b ON a.lft > b.lft AND a.rgt < b.rgt' .
' GROUP BY a.id' .
' ORDER BY a.lft ASC'
);
$options = $db->loadObjectList();
if ( !$options ) return null;
for ($i = 0, $n = count($options); $i < $n; $i++)
{
$options[$i]->text = str_repeat('- ', $options[$i]->level) . $options[$i]->text;
}
// If all usergroups is allowed, push it into the array.
if ($allowAll) {
array_unshift($options, JHtml::_('select.option', '', JText::_('JOPTION_ACCESS_SHOW_ALL_GROUPS')));
}
$options = array_merge($extra_options, $options);
$attribs = 'style="float:left;"';
$initial_size = @$attributes['size'] ? intval($attributes['size']) : 5;
$maximize_size = @$attributes['maxsize'] ? intval($attributes['maxsize']) : count($options);
// SPECIAL CASE: this field is always multiple, we will add '[]' WHILE checking for the attribute ...
if ( @$attributes['multiple']=='multiple' || @$attributes['multiple']=='true' ) {
$attribs .=' multiple="multiple"';
$attribs .= ' size="'.$initial_size.'" ';
}
// Initialize some field attributes.
$attribs .= ((string) @$this->element['disabled'] == 'true') ? ' disabled="disabled"' : '';
// Initialize JavaScript field attributes.
$attribs .= @$this->element['onchange'] ? ' onchange="' . (string) $this->element['onchange'] . '"' : '';
$classes = 'use_select2_lib';
$classes .= @$attributes['required'] && @$attributes['required']!='false' ? ' required' : '';
$classes .= @$attributes['class'] ? ' '.$attributes['class'] : '';
$attribs .= ' class="'.$classes.'"';
return JHtml::_('select.genericlist', $options, $fieldname, $attribs, 'value', 'text', $values, $element_id);
}
}