Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

463 lines (415 sloc) 12.017 kb
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Adam Daniel <adaniel1@eesus.jnj.com> |
// | Bertrand Mansion <bmansion@mamasam.com> |
// +----------------------------------------------------------------------+
//
// $Id$
require_once('HTML/Common.php');
/**
* Base class for form elements
*
* @author Adam Daniel <adaniel1@eesus.jnj.com>
* @author Bertrand Mansion <bmansion@mamasam.com>
* @version 1.3
* @since PHP4.04pl1
* @access public
* @abstract
*/
class HTML_QuickForm_element extends HTML_Common
{
// {{{ properties
/**
* Label of the field
* @var string
* @since 1.3
* @access private
*/
var $_label = '';
/**
* Form element type
* @var string
* @since 1.0
* @access private
*/
var $_type = '';
/**
* Flag to tell if element is frozen
* @var boolean
* @since 1.0
* @access private
*/
var $_flagFrozen = false;
/**
* Does the element support persistant data when frozen
* @var boolean
* @since 1.3
* @access private
*/
var $_persistantFreeze = false;
// }}}
// {{{ constructor
/**
* Class constructor
*
* @param string Name of the element
* @param mixed Label(s) for the element
* @param mixed Associative array of tag attributes or HTML attributes name="value" pairs
* @since 1.0
* @access public
* @return void
*/
function HTML_QuickForm_element($elementName=null, $elementLabel=null, $attributes=null)
{
HTML_Common::HTML_Common($attributes);
if (isset($elementName)) {
$this->setName($elementName);
}
if (isset($elementLabel)) {
$this->setLabel($elementLabel);
}
} //end constructor
// }}}
// {{{ apiVersion()
/**
* Returns the current API version
*
* @since 1.0
* @access public
* @return float
*/
function apiVersion()
{
return 2.0;
} // end func apiVersion
// }}}
// {{{ getType()
/**
* Returns element type
*
* @since 1.0
* @access public
* @return string
*/
function getType()
{
return $this->_type;
} // end func getType
// }}}
// {{{ setName()
/**
* Sets the input field name
*
* @param string $name Input field name attribute
* @since 1.0
* @access public
* @return void
*/
function setName($name)
{
// interface method
} //end func setName
// }}}
// {{{ getName()
/**
* Returns the element name
*
* @since 1.0
* @access public
* @return string
*/
function getName()
{
// interface method
} //end func getName
// }}}
// {{{ setValue()
/**
* Sets the value of the form element
*
* @param string $value Default value of the form element
* @since 1.0
* @access public
* @return void
*/
function setValue($value)
{
// interface
} // end func setValue
// }}}
// {{{ getValue()
/**
* Returns the value of the form element
*
* @since 1.0
* @access public
* @return mixed
*/
function getValue()
{
// interface
return null;
} // end func getValue
// }}}
// {{{ freeze()
/**
* Freeze the element so that only its value is returned
*
* @access public
* @return void
*/
function freeze()
{
$this->_flagFrozen = true;
} //end func freeze
// }}}
// {{{ getFrozenHtml()
/**
* Returns the value of field without HTML tags
*
* @since 1.0
* @access public
* @return string
*/
function getFrozenHtml()
{
$value = $this->getValue();
return ('' != $value? htmlspecialchars($value): '&nbsp;') .
$this->_getPersistantData();
} //end func getFrozenHtml
// }}}
// {{{ _getPersistantData()
/**
* Used by getFrozenHtml() to pass the element's value if _persistantFreeze is on
*
* @access private
* @return string
*/
function _getPersistantData()
{
if (!$this->_persistantFreeze) {
return '';
} else {
$id = $this->getAttribute('id');
return '<input type="hidden"' .
(isset($id)? ' id="' . $id . '"': '') .
' name="' . $this->getName() . '"' .
' value="' . htmlspecialchars($this->getValue()) . '" />';
}
}
// }}}
// {{{ isFrozen()
/**
* Returns whether or not the element is frozen
*
* @since 1.3
* @access public
* @return bool
*/
function isFrozen()
{
return $this->_flagFrozen;
} // end func isFrozen
// }}}
// {{{ setPersistantFreeze()
/**
* Sets wether an element value should be kept in an hidden field
* when the element is frozen or not
*
* @param bool $persistant True if persistant value
* @since 2.0
* @access public
* @return void
*/
function setPersistantFreeze($persistant=false)
{
$this->_persistantFreeze = $persistant;
} //end func setPersistantFreeze
// }}}
// {{{ setLabel()
/**
* Sets display text for the element
*
* @param string $label Display text for the element
* @since 1.3
* @access public
* @return void
*/
function setLabel($label)
{
$this->_label = $label;
} //end func setLabel
// }}}
// {{{ getLabel()
/**
* Returns display text for the element
*
* @since 1.3
* @access public
* @return string
*/
function getLabel()
{
return $this->_label;
} //end func getLabel
// }}}
// {{{ _findValue()
/**
* Tries to find the element value from the values array
*
* @since 2.7
* @access private
* @return mixed
*/
function _findValue(&$values)
{
if (empty($values)) {
return null;
}
$elementName = $this->getName();
if (isset($values[$elementName])) {
return $values[$elementName];
} elseif (strpos($elementName, '[')) {
$myVar = "['" . str_replace(array(']', '['), array('', "']['"), $elementName) . "']";
return eval("return (isset(\$values$myVar)) ? \$values$myVar : null;");
} else {
return null;
}
} //end func _findValue
// }}}
// {{{ onQuickFormEvent()
/**
* Called by HTML_QuickForm whenever form event is made on this element
*
* @param string $event Name of event
* @param mixed $arg event arguments
* @param object $caller calling object
* @since 1.0
* @access public
* @return void
*/
function onQuickFormEvent($event, $arg, &$caller)
{
switch ($event) {
case 'createElement':
$className = get_class($this);
$this->$className($arg[0], $arg[1], $arg[2], $arg[3], $arg[4]);
break;
case 'addElement':
$this->onQuickFormEvent('createElement', $arg, $caller);
$this->onQuickFormEvent('updateValue', null, $caller);
break;
case 'updateValue':
// constant values override both default and submitted ones
// default values are overriden by submitted
$value = $this->_findValue($caller->_constantValues);
if (null === $value) {
$value = $this->_findValue($caller->_submitValues);
if (null === $value) {
$value = $this->_findValue($caller->_defaultValues);
}
}
if (null !== $value) {
$this->setValue($value);
}
break;
case 'setGroupValue':
$this->setValue($arg);
}
return true;
} // end func onQuickFormEvent
// }}}
// {{{ accept()
/**
* Accepts a renderer
*
* @param object An HTML_QuickForm_Renderer object
* @param bool Whether an element is required
* @param string An error message associated with an element
* @access public
* @return void
*/
function accept(&$renderer, $required=false, $error=null)
{
$renderer->renderElement($this, $required, $error);
} // end func accept
// }}}
// {{{ _generateId()
/**
* Automatically generates and assigns an 'id' attribute for the element.
*
* Currently used to ensure that labels work on radio buttons and
* checkboxes. Per idea of Alexander Radivanovich.
*
* @access private
* @return void
*/
function _generateId()
{
static $idx = 1;
if (!$this->getAttribute('id')) {
$this->updateAttributes(array('id' => 'qf_' . substr(md5(microtime() . $idx++), 0, 6)));
}
} // end func _generateId
// }}}
// {{{ exportValue()
/**
* Returns a 'safe' element's value
*
* @param array array of submitted values to search
* @param bool whether to return the value as associative array
* @access public
* @return mixed
*/
function exportValue(&$submitValues, $assoc = false)
{
$value = $this->_findValue($submitValues);
if (null === $value) {
$value = $this->getValue();
}
return $this->_prepareValue($value, $assoc);
}
// }}}
// {{{ _prepareValue()
/**
* Used by exportValue() to prepare the value for returning
*
* @param mixed the value found in exportValue()
* @param bool whether to return the value as associative array
* @access private
* @return mixed
*/
function _prepareValue($value, $assoc)
{
if (null === $value) {
return null;
} elseif (!$assoc) {
return $value;
} else {
$name = $this->getName();
if (!strpos($name, '[')) {
return array($name => $value);
} else {
$valueAry = array();
$myIndex = "['" . str_replace(array(']', '['), array('', "']['"), $name) . "']";
eval("\$valueAry$myIndex = \$value;");
return $valueAry;
}
}
}
// }}}
} // end class HTML_QuickForm_element
?>
Jump to Line
Something went wrong with that request. Please try again.