egroupware_official/etemplate/inc/class.etemplate_widget_checkbox.inc.php

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<?php
/**
* EGroupware - eTemplate serverside checkbox widget
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @copyright 2002-11 by RalfBecker@outdoor-training.de
* @version $Id$
*/
/**
* eTemplate checkbox widget
*
* Multiple checkbox widgets can have the same name ending in [], in which case an array with the selected_value's of the checked boxes get returned.
*/
class etemplate_widget_checkbox extends etemplate_widget
{
/**
* (Array of) comma-separated list of legacy options to automatically replace when parsing with set_attrs
*
* @var string|array
*/
protected $legacy_options = array(
'checkbox' => 'selected_value,unselected_value,ro_true,ro_false',
'radio' => 'set_value,ro_true,ro_false',
);
/**
* Validate input
*
* In case of multiple checkboxes using the same name ending in [], each widget only validates it's own value!
* Same is true for the radio buttons of a radio-group sharing the same name.
*
* @param string $cname current namespace
* @param array $expand values for keys 'c', 'row', 'c_', 'row_', 'cont'
* @param array $content
* @param array &$validated=array() validated content
* @return boolean true if no validation error, false otherwise
*/
public function validate($cname, array $expand, array $content, &$validated=array())
{
$form_name = self::form_name($cname, $this->id, $expand);
if (($multiple = substr($form_name, -2) == '[]') && $this->type == 'checkbox')
{
$form_name = substr($form_name, 0, -2);
}
if (!$this->is_readonly($cname, $form_name))
{
$value = self::get_array($content, $form_name);
$valid =& self::get_array($validated, $form_name, true);
if (!$value && $this->attrs['needed'])
{
self::set_validation_error($form_name,lang('Field must not be empty !!!'),'');
}
$value_attr = $this->type == 'radio' ? 'set_value' : 'selected_value';
// defaults for set and unset values
if (!$this->attrs[$value_attr] && !$this->attrs['unselected_value'])
{
$selected_value = true;
$unselected_value = false;
}
else
{
// Expand any content stuff
$selected_value = self::expand_name($this->attrs[$value_attr], $expand['c'], $expand['row'], $expand['c_'], $expand['row_'],$expand['cont']);
$unselected_value = self::expand_name($this->attrs['unselected_value'], $expand['c'], $expand['row'], $expand['c_'], $expand['row_'],$expand['cont']);
}
if (in_array((string)$selected_value, (array)$value))
{
if ($multiple)
{
if (!isset($valid)) $valid = array();
$valid[] = $selected_value;
}
else
{
$valid = $selected_value;
}
}
elseif ($this->type == 'radio')
{
if (!isset($valid)) $valid = ''; // do not overwrite value of an other radio-button of the same group (identical name)!
}
else // if checkbox is not checked, html returns nothing: eTemplate returns unselected_value (default false)
{
if ($multiple)
{
if (!isset($valid)) $valid = array();
}
elseif ($value === 'true')
{
// 'true' != true
$valid = $selected_value;
}
else
{
$valid = $unselected_value;
}
}
//error_log(__METHOD__.'() '.$form_name.($multiple?'[]':'').': '.array2string($value).' --> '.array2string($valid));
}
}
}
etemplate_widget::registerWidget('etemplate_widget_checkbox', array('checkbox', 'radio'));