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119 lines
3.6 KiB
PHP
119 lines
3.6 KiB
PHP
<?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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* Element-container for advanced grading custom input
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*
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* @copyright 2011 Marina Glancy
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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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global $CFG;
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require_once("HTML/QuickForm/element.php");
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require_once($CFG->dirroot.'/grade/grading/form/lib.php');
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if (class_exists('HTML_QuickForm')) {
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HTML_QuickForm::registerRule('gradingvalidated', 'callback', '_validate', 'MoodleQuickForm_grading');
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}
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/**
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* HTML class for a grading element
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*
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* @author Marina Glancy
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* @access public
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*/
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class MoodleQuickForm_grading extends HTML_QuickForm_input{
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/**
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* html for help button, if empty then no help
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*
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* @var string
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*/
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var $_helpbutton='';
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private $gradingattributes;
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function MoodleQuickForm_grading($elementName=null, $elementLabel=null, $attributes=null) {
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parent::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
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$this->gradingattributes = $attributes;
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}
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function toHtml(){
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return $this->get_controller()->to_html($this);
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}
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function get_grading_attribute($name) {
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return $this->gradingattributes[$name];
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}
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function get_controller() {
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return $this->get_grading_attribute('controller');
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}
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/**
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* set html for help button
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*
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* @access public
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* @param array $help array of arguments to make a help button
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* @param string $function function name to call to get html
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*/
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function setHelpButton($helpbuttonargs, $function='helpbutton'){
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debugging('component setHelpButton() is not used any more, please use $mform->setHelpButton() instead');
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}
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/**
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* get html for help button
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*
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* @access public
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* @return string html for help button
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*/
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function getHelpButton(){
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return $this->_helpbutton;
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}
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/**
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* @return string
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*/
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function getElementTemplateType(){
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return 'default';
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}
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/**
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* Adds necessary rules to the element
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*/
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function onQuickFormEvent($event, $arg, &$caller) {
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if ($event == 'createElement') {
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$attributes = $arg[2];
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if (!is_array($attributes) || !array_key_exists('controller', $attributes) || !($attributes['controller'] instanceof gradingform_controller)) {
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throw new moodle_exception('exc_gradingformelement', 'grading');
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}
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}
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$name = $this->getName();
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if ($name && $caller->elementExists($name)) {
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$caller->addRule($name, $this->get_controller()->default_validation_error_message(), 'gradingvalidated', $this->gradingattributes);
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}
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return parent::onQuickFormEvent($event, $arg, $caller);
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}
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/**
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* Function registered as rule for this element and is called when this element is being validated
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*/
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static function _validate($elementValue, $attributes = null) {
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return $attributes['controller']->validate_grading_element($elementValue, $attributes['submissionid']);
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}
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}
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