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<?php
/**
* Class representing a HTML form
*
* PHP version 5
*
* LICENSE:
*
* Copyright (c) 2006-2014, Alexey Borzov <avb@php.net>,
* Bertrand Mansion <golgote@mamasam.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The names of the authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @link http://pear.php.net/package/HTML_QuickForm2
*/
/**
* Abstract base class for QuickForm2 containers
*/
require_once 'HTML/QuickForm2/Container.php';
/**
* Data source for HTML_QuickForm2 objects based on superglobal arrays
*/
require_once 'HTML/QuickForm2/DataSource/SuperGlobal.php';
/**
* Class representing a HTML form
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version Release: 2.0.2
* @link http://pear.php.net/package/HTML_QuickForm2
*/
class HTML_QuickForm2 extends HTML_QuickForm2_Container
{
/**
* Data sources providing values for form elements
* @var array
*/
protected $datasources = array();
/**
* We do not allow setting "method" and "id" other than through constructor
* @var array
*/
protected $watchedAttributes = array('id', 'method');
/**
* Class constructor, form's "id" and "method" attributes can only be set here
*
* @param string $id "id" attribute of <form> tag
* @param string $method HTTP method used to submit the form
* @param string|array $attributes Additional HTML attributes
* (either a string or an array)
* @param bool $trackSubmit Whether to track if the form was submitted
* by adding a special hidden field
*/
public function __construct(
$id, $method = 'post', $attributes = null, $trackSubmit = true
) {
$method = ('GET' == strtoupper($method))? 'get': 'post';
$trackSubmit = empty($id) ? false : $trackSubmit;
$this->attributes = array_merge(
self::prepareAttributes($attributes),
array('method' => $method)
);
parent::setId(empty($id) ? null : $id);
if (!isset($this->attributes['action'])) {
$this->attributes['action'] = $_SERVER['PHP_SELF'];
}
if ($trackSubmit && isset($_REQUEST['_qf__' . $id]) ||
!$trackSubmit && ('get' == $method && !empty($_GET) ||
'post' == $method && (!empty($_POST) || !empty($_FILES)))
) {
$this->addDataSource(new HTML_QuickForm2_DataSource_SuperGlobal(
$method, get_magic_quotes_gpc()
));
}
if ($trackSubmit) {
$this->appendChild(HTML_QuickForm2_Factory::createElement(
'hidden', '_qf__' . $id, array('id' => 'qf:' . $id)
));
}
$this->addFilter(array($this, 'skipInternalFields'));
}
protected function onAttributeChange($name, $value = null)
{
throw new HTML_QuickForm2_InvalidArgumentException(
'Attribute \'' . $name . '\' is read-only'
);
}
protected function setContainer(HTML_QuickForm2_Container $container = null)
{
throw new HTML_QuickForm2_Exception('Form cannot be added to container');
}
public function setId($id = null)
{
throw new HTML_QuickForm2_InvalidArgumentException(
"Attribute 'id' is read-only"
);
}
/**
* Adds a new data source to the form
*
* @param HTML_QuickForm2_DataSource $datasource Data source
*/
public function addDataSource(HTML_QuickForm2_DataSource $datasource)
{
$this->datasources[] = $datasource;
$this->updateValue();
}
/**
* Replaces the list of form's data sources with a completely new one
*
* @param array $datasources A new data source list
*
* @throws HTML_QuickForm2_InvalidArgumentException if given array
* contains something that is not a valid data source
*/
public function setDataSources(array $datasources)
{
foreach ($datasources as $ds) {
if (!$ds instanceof HTML_QuickForm2_DataSource) {
throw new HTML_QuickForm2_InvalidArgumentException(
'Array should contain only DataSource instances'
);
}
}
$this->datasources = $datasources;
$this->updateValue();
}
/**
* Returns the list of data sources attached to the form
*
* @return array
*/
public function getDataSources()
{
return $this->datasources;
}
public function getType()
{
return 'form';
}
public function setValue($value)
{
throw new HTML_QuickForm2_Exception('Not implemented');
}
/**
* Tells whether the form was already submitted
*
* This is a shortcut for checking whether there is an instance of Submit
* data source in the list of form data sources
*
* @return bool
*/
public function isSubmitted()
{
foreach ($this->datasources as $ds) {
if ($ds instanceof HTML_QuickForm2_DataSource_Submit) {
return true;
}
}
return false;
}
/**
* Performs the server-side validation
*
* @return boolean Whether all form's elements are valid
*/
public function validate()
{
return $this->isSubmitted() && parent::validate();
}
/**
* Renders the form using the given renderer
*
* @param HTML_QuickForm2_Renderer $renderer
*
* @return HTML_QuickForm2_Renderer
*/
public function render(HTML_QuickForm2_Renderer $renderer)
{
$renderer->startForm($this);
$renderer->getJavascriptBuilder()->setFormId($this->getId());
foreach ($this as $element) {
$element->render($renderer);
}
$this->renderClientRules($renderer->getJavascriptBuilder());
$renderer->finishForm($this);
return $renderer;
}
/**
* Filter for form's getValue() removing internal fields' values from the array
*
* @param array $value
*
* @return array
* @link http://pear.php.net/bugs/bug.php?id=19403
*/
protected function skipInternalFields($value)
{
foreach (array_keys($value) as $key) {
if ('_qf' === substr($key, 0, 3)) {
unset($value[$key]);
}
}
return $value;
}
}
?>
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