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<?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: checkbox.php,v 1.20 2005/07/22 17:30:51 avb Exp $
require_once("HTML/QuickForm/input.php");
/**
* HTML class for a checkbox type field
*
* @author Adam Daniel <adaniel1@eesus.jnj.com>
* @author Bertrand Mansion <bmansion@mamasam.com>
* @version 1.1
* @since PHP4.04pl1
* @access public
*/
class HTML_QuickForm_checkbox extends HTML_QuickForm_input
{
// {{{ properties
/**
* Checkbox display text
* @var string
* @since 1.1
* @access private
*/
var $_text = '';
// }}}
// {{{ constructor
/**
* Class constructor
*
* @param string $elementName (optional)Input field name attribute
* @param string $elementLabel (optional)Input field value
* @param string $text (optional)Checkbox display text
* @param mixed $attributes (optional)Either a typical HTML attribute string
* or an associative array
* @since 1.0
* @access public
* @return void
*/
function HTML_QuickForm_checkbox($elementName=null, $elementLabel=null, $text='', $attributes=null)
{
HTML_QuickForm_input::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
$this->_persistantFreeze = true;
$this->_text = $text;
$this->setType('checkbox');
$this->updateAttributes(array('value'=>1));
$this->_generateId();
} //end constructor
// }}}
// {{{ setChecked()
/**
* Sets whether a checkbox is checked
*
* @param bool $checked Whether the field is checked or not
* @since 1.0
* @access public
* @return void
*/
function setChecked($checked)
{
if (!$checked) {
$this->removeAttribute('checked');
} else {
$this->updateAttributes(array('checked'=>'checked'));
}
} //end func setChecked
// }}}
// {{{ getChecked()
/**
* Returns whether a checkbox is checked
*
* @since 1.0
* @access public
* @return bool
*/
function getChecked()
{
return (bool)$this->getAttribute('checked');
} //end func getChecked
// }}}
// {{{ toHtml()
/**
* Returns the checkbox element in HTML
*
* @since 1.0
* @access public
* @return string
*/
function toHtml()
{
if (0 == strlen($this->_text)) {
$label = '';
} elseif ($this->_flagFrozen) {
$label = $this->_text;
} else {
$label = '<label for="' . $this->getAttribute('id') . '">' . $this->_text . '</label>';
}
return HTML_QuickForm_input::toHtml() . $label;
} //end func toHtml
// }}}
// {{{ getFrozenHtml()
/**
* Returns the value of field without HTML tags
*
* @since 1.0
* @access public
* @return string
*/
function getFrozenHtml()
{
if ($this->getChecked()) {
return '<tt>[x]</tt>' .
$this->_getPersistantData();
} else {
return '<tt>[ ]</tt>';
}
} //end func getFrozenHtml
// }}}
// {{{ setText()
/**
* Sets the checkbox text
*
* @param string $text
* @since 1.1
* @access public
* @return void
*/
function setText($text)
{
$this->_text = $text;
} //end func setText
// }}}
// {{{ getText()
/**
* Returns the checkbox text
*
* @since 1.1
* @access public
* @return string
*/
function getText()
{
return $this->_text;
} //end func getText
// }}}
// {{{ 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)
{
return $this->setChecked($value);
} // end func setValue
// }}}
// {{{ getValue()
/**
* Returns the value of the form element
*
* @since 1.0
* @access public
* @return bool
*/
function getValue()
{
return $this->getChecked();
} // end func getValue
// }}}
// {{{ 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 'updateValue':
// constant values override both default and submitted ones
// default values are overriden by submitted
$value = $this->_findValue($caller->_constantValues);
if (null === $value) {
// if no boxes were checked, then there is no value in the array
// yet we don't want to display default value in this case
if ($caller->isSubmitted()) {
$value = $this->_findValue($caller->_submitValues);
} else {
$value = $this->_findValue($caller->_defaultValues);
}
}
if (null !== $value) {
$this->setChecked($value);
}
break;
case 'setGroupValue':
$this->setChecked($arg);
break;
default:
parent::onQuickFormEvent($event, $arg, $caller);
}
return true;
} // end func onQuickFormEvent
// }}}
// {{{ exportValue()
/**
* Return true if the checkbox is checked, null if it is not checked (getValue() returns false)
*/
function exportValue(&$submitValues, $assoc = false)
{
$value = $this->_findValue($submitValues);
if (null === $value) {
$value = $this->getChecked()? true: null;
}
return $this->_prepareValue($value, $assoc);
}
// }}}
} //end class HTML_QuickForm_checkbox
?>
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