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FormClientErrorDisplayTag.php
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FormClientErrorDisplayTag.php
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<?php
/**
* <!--
* This file is part of the adventure php framework (APF) published under
* https://adventure-php-framework.org.
*
* The APF is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The APF is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the APF. If not, see http://www.gnu.org/licenses/lgpl-3.0.txt.
* -->
*/
namespace APF\extensions\form\client\taglib;
use APF\tools\form\taglib\AbstractFormControl;
/**
* This taglib adds an clienterror, which can be displayed by the client form validation.
*
* @author Ralf Schubert <ralf.schubert@the-screeze.de>
* @version
* Version 1.0, 18.03.2010<br />
*/
class FormClientErrorDisplayTag extends AbstractFormControl {
/**
* Overwrite the parent's method.
*
* @author Ralf Schubert
* @version
* Version 1.0, 18.03.2010<br />
*/
public function onParseTime() {
$this->extractTagLibTags();
}
/**
* Transforms the tags and javascript for client errors.
*
* @return string The generated html and js.
*
* @author Ralf Schubert
* @version
* Version 1.0, 18.03.2010<br />
*/
public function transform() {
$this->transformChildren();
$formID = $this->getParent()->getAttribute('id');
$output = '<div id="apf-error-' . $formID . '" class="apf-form-clienterror">' . $this->content . '</div>';
/*
* Generate javascript for binding on the ValidationNotify event.
* !Important: Check for (event.target === this), because ValidationNotify
* triggered on child-inputs will be handed up to form-element.!
*/
$output .= '<script type="text/javascript">' .
'$(document).ready(function(){' .
'$("#' . $formID . '").bind(' .
'"ValidationNotify",' .
'function(event, param){' .
'if(event.target === this){' .
'var listener = $("#apf-error-' . $formID . '");' .
'if(param.valid === false){' .
'listener.removeClass("apf-form-clienterror");' .
'}' .
'else {' .
'listener.addClass("apf-form-clienterror");' .
'}' .
'}' .
'}' .
');' .
'});</script>';
return $output;
}
public function reset() {
// nothing to do as client errors cannot be reset
return $this;
}
}