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114 lines
3.6 KiB
114 lines
3.6 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Button form element
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*
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* Contains HTML class for a button type element
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*
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* @package core_form
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* @copyright 2007 Jamie Pratt <me@jamiep.org>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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if (!defined('MOODLE_INTERNAL')) {
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die('Direct access to this script is forbidden.'); // It must be included from a Moodle page
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}
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global $CFG;
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require_once($CFG->libdir.'/form/submit.php');
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/**
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* HTML class for a submit cancel type element
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*
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* Overloaded {@link MoodleQuickForm_submit} with default behavior modified to cancel a form.
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*
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* @package core_form
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* @category form
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* @copyright 2007 Jamie Pratt <me@jamiep.org>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class MoodleQuickForm_cancel extends MoodleQuickForm_submit
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{
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/**
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* constructor
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*
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* @param string $elementName (optional) name of the checkbox
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* @param string $value (optional) value for the button
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* @param mixed $attributes (optional) Either a typical HTML attribute string
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* or an associative array
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*/
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public function __construct($elementName=null, $value=null, $attributes=null)
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{
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if ($elementName==null){
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$elementName='cancel';
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}
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if ($value==null){
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$value=get_string('cancel');
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}
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parent::__construct($elementName, $value, $attributes);
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$this->updateAttributes(array('data-skip-validation' => 1, 'data-cancel' => 1,
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'onclick' => 'skipClientValidation = true; return true;'));
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// Add the class btn-cancel.
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$class = $this->getAttribute('class');
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if (empty($class)) {
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$class = '';
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}
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$this->updateAttributes(array('class' => $class . ' btn-cancel'));
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}
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/**
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* Old syntax of class constructor. Deprecated in PHP7.
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*
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* @deprecated since Moodle 3.1
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*/
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public function MoodleQuickForm_cancel($elementName=null, $value=null, $attributes=null) {
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debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
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self::__construct($elementName, $value, $attributes);
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}
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/**
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* Called by HTML_QuickForm whenever form event is made on this element
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*
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* @param string $event Name of event
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* @param mixed $arg event arguments
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* @param object $caller calling object
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* @return bool
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*/
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function onQuickFormEvent($event, $arg, &$caller)
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{
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switch ($event) {
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case 'createElement':
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parent::onQuickFormEvent($event, $arg, $caller);
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$caller->_registerCancelButton($this->getName());
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return true;
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break;
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}
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return parent::onQuickFormEvent($event, $arg, $caller);
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}
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/**
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* Returns the value of field without HTML tags
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*
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* @return string
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*/
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function getFrozenHtml(){
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return HTML_QuickForm_submit::getFrozenHtml();
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}
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}
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