getGroups();
$excluded = $this->getExcluded();
$link = 'index.php?option=com_users&view=users&layout=modal&tmpl=component&field=' . $this->id
. (isset($groups) ? ('&groups=' . base64_encode(json_encode($groups))) : '')
. (isset($excluded) ? ('&excluded=' . base64_encode(json_encode($excluded))) : '');
// Initialize some field attributes.
$attr = $this->element['class'] ? ' class="' . (string) $this->element['class'] . '"' : '';
$attr .= $this->element['size'] ? ' size="' . (int) $this->element['size'] . '"' : '';
// Initialize JavaScript field attributes.
$onchange = (string) $this->element['onchange'];
// Load the modal behavior script.
JHtml::_('behavior.modal', 'a.modal_' . $this->id);
// Build the script.
$script = array();
$script[] = ' function jSelectUser_' . $this->id . '(id, title) {';
$script[] = ' var old_id = document.getElementById("' . $this->id . '_id").value;';
$script[] = ' if (old_id != id) {';
$script[] = ' document.getElementById("' . $this->id . '_id").value = id;';
$script[] = ' document.getElementById("' . $this->id . '_name").value = title;';
$script[] = ' ' . $onchange;
$script[] = ' }';
$script[] = ' SqueezeBox.close();';
$script[] = ' }';
// Add the script to the document head.
JFactory::getDocument()->addScriptDeclaration(implode("\n", $script));
// Load the current username if available.
$table = JTable::getInstance('user');
if ($this->value)
{
$table->load($this->value);
}
else
{
$table->username = JText::_('JLIB_FORM_SELECT_USER');
}
// Create a dummy text field with the user name.
$html[] = '
';
$html[] = ' ';
// Create the user select button.
if ($this->element['readonly'] != 'true')
{
$html[] = ' ';
$html[] = '';
}
$html[] = '
';
// Create the real field, hidden, that stored the user id.
$html[] = '';
return implode("\n", $html);
}
/**
* Method to get the filtering groups (null means no filtering)
*
* @return mixed array of filtering groups or null.
*
* @since 1.6.0
*/
protected function getGroups()
{
return null;
}
/**
* Method to get the users to exclude from the list of users
*
* @return mixed Array of users to exclude or null to to not exclude them
*
* @since 1.6.0
*/
protected function getExcluded()
{
return null;
}
}