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<?php
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// +----------------------------------------------------------------------+
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// | PHP version 4.0 |
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// | PHP version 4.0 |
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// +----------------------------------------------------------------------+
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2003 The PHP Group |
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// | Copyright (c) 1997-2003 The PHP Group |
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// +----------------------------------------------------------------------+
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// +----------------------------------------------------------------------+
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// | Authors: Bertrand Mansion <bmansion@mamasam.com> |
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// | Authors: Bertrand Mansion <bmansion@mamasam.com> |
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// +----------------------------------------------------------------------+
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// +----------------------------------------------------------------------+
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//
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//
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// $Id: Callback.php,v 1.1 2005-03-30 08:50:33 jpm Exp $
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// $Id: Callback.php,v 1.2 2005-09-20 17:01:22 ddelon Exp $
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require_once('HTML/QuickForm/Rule.php');
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require_once('HTML/QuickForm/Rule.php');
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/**
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/**
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* Validates values using callback functions or methods
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* Validates values using callback functions or methods
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* @version 1.0
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* @version 1.0
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*/
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*/
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class HTML_QuickForm_Rule_Callback extends HTML_QuickForm_Rule
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class HTML_QuickForm_Rule_Callback extends HTML_QuickForm_Rule
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{
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{
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/**
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/**
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* Array of callbacks
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* Array of callbacks
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*
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*
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* Array is in the format:
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* Array is in the format:
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* $_data['rulename'] = array('functionname', 'classname');
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* $_data['rulename'] = array('functionname', 'classname');
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* If the callback is not a method, then the class name is not set.
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* If the callback is not a method, then the class name is not set.
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*
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*
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* @var array
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* @var array
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* @access private
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* @access private
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*/
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*/
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var $_data = array();
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var $_data = array();
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/**
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/**
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* Whether to use BC mode for specific rules
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* Whether to use BC mode for specific rules
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*
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*
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* Previous versions of QF passed element's name as a first parameter
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* Previous versions of QF passed element's name as a first parameter
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* to validation functions, but not to validation methods. This behaviour
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* to validation functions, but not to validation methods. This behaviour
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* is emulated if you are using 'function' as rule type when registering.
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* is emulated if you are using 'function' as rule type when registering.
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*
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*
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* @var array
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* @var array
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* @access private
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* @access private
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*/
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*/
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var $_BCMode = array();
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var $_BCMode = array();
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/**
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/**
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* Validates a value using a callback
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* Validates a value using a callback
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*
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*
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* @param string $value Value to be checked
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* @param string $value Value to be checked
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* @param mixed $options Options for callback
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* @param mixed $options Options for callback
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* @access public
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* @access public
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* @return boolean true if value is valid
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* @return boolean true if value is valid
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*/
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*/
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function validate($value, $options = null)
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function validate($value, $options = null)
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{
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{
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if (isset($this->_data[$this->name])) {
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if (isset($this->_data[$this->name])) {
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$callback = $this->_data[$this->name];
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$callback = $this->_data[$this->name];
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if (isset($callback[1])) {
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if (isset($callback[1])) {
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return call_user_func(array($callback[1], $callback[0]), $value, $options);
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return call_user_func(array($callback[1], $callback[0]), $value, $options);
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} elseif ($this->_BCMode[$this->name]) {
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} elseif ($this->_BCMode[$this->name]) {
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return $callback[0]('', $value, $options);
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return $callback[0]('', $value, $options);
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} else {
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} else {
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return $callback[0]($value, $options);
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return $callback[0]($value, $options);
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}
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}
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} elseif (is_callable($options)) {
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} elseif (is_callable($options)) {
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return call_user_func($options, $value);
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return call_user_func($options, $value);
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} else {
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} else {
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return true;
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return true;
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}
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}
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} // end func validate
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} // end func validate
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/**
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/**
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* Adds new callbacks to the callbacks list
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* Adds new callbacks to the callbacks list
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*
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*
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* @param string $name Name of rule
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* @param string $name Name of rule
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* @param string $callback Name of function or method
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* @param string $callback Name of function or method
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* @param string $class Name of class containing the method
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* @param string $class Name of class containing the method
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* @param bool $BCMode Backwards compatibility mode
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* @param bool $BCMode Backwards compatibility mode
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* @access public
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* @access public
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*/
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*/
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function addData($name, $callback, $class = null, $BCMode = false)
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function addData($name, $callback, $class = null, $BCMode = false)
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{
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{
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if (!empty($class)) {
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if (!empty($class)) {
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$this->_data[$name] = array($callback, $class);
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$this->_data[$name] = array($callback, $class);
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} else {
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} else {
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$this->_data[$name] = array($callback);
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$this->_data[$name] = array($callback);
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}
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}
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$this->_BCMode[$name] = $BCMode;
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$this->_BCMode[$name] = $BCMode;
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} // end func addData
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} // end func addData
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function getValidationScript($options = null)
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function getValidationScript($options = null)
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{
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{
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if (isset($this->_data[$this->name])) {
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if (isset($this->_data[$this->name])) {
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$callback = $this->_data[$this->name][0];
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$callback = $this->_data[$this->name][0];
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$params = ($this->_BCMode[$this->name]? "'', {jsVar}": '{jsVar}') .
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$params = ($this->_BCMode[$this->name]? "'', {jsVar}": '{jsVar}') .
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(isset($options)? ", '{$options}'": '');
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(isset($options)? ", '{$options}'": '');
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} else {
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} else {
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$callback = is_array($options)? $options[1]: $options;
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$callback = is_array($options)? $options[1]: $options;
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$params = '{jsVar}';
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$params = '{jsVar}';
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}
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}
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return array('', "{jsVar} != '' && !{$callback}({$params})");
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return array('', "{jsVar} != '' && !{$callback}({$params})");
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} // end func getValidationScript
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} // end func getValidationScript
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} // end class HTML_QuickForm_Rule_Callback
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} // end class HTML_QuickForm_Rule_Callback
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?>
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?>
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