You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
374 lines
15 KiB
374 lines
15 KiB
<?php
|
|
// This file is part of Moodle - http://moodle.org/
|
|
//
|
|
// Moodle is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Moodle 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 General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
/**
|
|
* This file contains the marking guide editor element
|
|
*
|
|
* @package gradingform_guide
|
|
* @copyright 2012 Dan Marsden <dan@danmarsden.com>
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
defined('MOODLE_INTERNAL') || die();
|
|
|
|
require_once("HTML/QuickForm/input.php");
|
|
|
|
/**
|
|
* The editor for the marking guide advanced grading plugin.
|
|
*
|
|
* @package gradingform_guide
|
|
* @copyright 2012 Dan Marsden <dan@danmarsden.com>
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
class moodlequickform_guideeditor extends HTML_QuickForm_input {
|
|
/** @var string help message */
|
|
public $_helpbutton = '';
|
|
/** @var null|false|string stores the result of the last validation: null - undefined, false - no errors,
|
|
* string - error(s) text */
|
|
protected $validationerrors = null;
|
|
/** @var bool if element has already been validated **/
|
|
protected $wasvalidated = false;
|
|
/** @var null|bool If non-submit (JS) button was pressed: null - unknown, true/false - button was/wasn't pressed */
|
|
protected $nonjsbuttonpressed = false;
|
|
/** @var string|false Message to display in front of the editor (that there exist grades on this guide being edited) */
|
|
protected $regradeconfirmation = false;
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param string $elementname
|
|
* @param string $elementlabel
|
|
* @param array $attributes
|
|
*/
|
|
public function __construct($elementname=null, $elementlabel=null, $attributes=null) {
|
|
parent::__construct($elementname, $elementlabel, $attributes);
|
|
}
|
|
|
|
/**
|
|
* Old syntax of class constructor. Deprecated in PHP7.
|
|
*
|
|
* @deprecated since Moodle 3.1
|
|
*/
|
|
public function moodlequickform_guideeditor($elementname=null, $elementlabel=null, $attributes=null) {
|
|
debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
|
|
self::__construct($elementname, $elementlabel, $attributes);
|
|
}
|
|
|
|
/**
|
|
* get html for help button
|
|
*
|
|
* @return string html for help button
|
|
*/
|
|
public function getHelpButton() {
|
|
return $this->_helpbutton;
|
|
}
|
|
|
|
/**
|
|
* The renderer will take care itself about different display in normal and frozen states
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getElementTemplateType() {
|
|
return 'default';
|
|
}
|
|
|
|
/**
|
|
* Specifies that confirmation about re-grading needs to be added to this rubric editor.
|
|
* $changelevel is saved in $this->regradeconfirmation and retrieved in toHtml()
|
|
*
|
|
* @see gradingform_rubric_controller::update_or_check_rubric()
|
|
* @param int $changelevel
|
|
*/
|
|
public function add_regrade_confirmation($changelevel) {
|
|
$this->regradeconfirmation = $changelevel;
|
|
}
|
|
|
|
/**
|
|
* Returns html string to display this element
|
|
*
|
|
* @return string
|
|
*/
|
|
public function toHtml() {
|
|
global $PAGE;
|
|
$html = $this->_getTabs();
|
|
$renderer = $PAGE->get_renderer('gradingform_guide');
|
|
$data = $this->prepare_data(null, $this->wasvalidated);
|
|
if (!$this->_flagFrozen) {
|
|
$mode = gradingform_guide_controller::DISPLAY_EDIT_FULL;
|
|
$module = array('name'=>'gradingform_guideeditor',
|
|
'fullpath'=>'/grade/grading/form/guide/js/guideeditor.js',
|
|
'requires' => array('base', 'dom', 'event', 'event-touch', 'escape'),
|
|
'strings' => array(
|
|
array('confirmdeletecriterion', 'gradingform_guide'),
|
|
array('clicktoedit', 'gradingform_guide'),
|
|
array('clicktoeditname', 'gradingform_guide')
|
|
));
|
|
$PAGE->requires->js_init_call('M.gradingform_guideeditor.init', array(
|
|
array('name' => $this->getName(),
|
|
'criteriontemplate' => $renderer->criterion_template($mode, $data['options'], $this->getName()),
|
|
'commenttemplate' => $renderer->comment_template($mode, $this->getName())
|
|
)),
|
|
true, $module);
|
|
} else {
|
|
// Guide is frozen, no javascript needed.
|
|
if ($this->_persistantFreeze) {
|
|
$mode = gradingform_guide_controller::DISPLAY_EDIT_FROZEN;
|
|
} else {
|
|
$mode = gradingform_guide_controller::DISPLAY_PREVIEW;
|
|
}
|
|
}
|
|
if ($this->regradeconfirmation) {
|
|
if (!isset($data['regrade'])) {
|
|
$data['regrade'] = 1;
|
|
}
|
|
$html .= $renderer->display_regrade_confirmation($this->getName(), $this->regradeconfirmation, $data['regrade']);
|
|
}
|
|
if ($this->validationerrors) {
|
|
$html .= html_writer::div($renderer->notification($this->validationerrors));
|
|
}
|
|
$html .= $renderer->display_guide($data['criteria'], $data['comments'], $data['options'], $mode, $this->getName());
|
|
return $html;
|
|
}
|
|
/**
|
|
* Prepares the data passed in $_POST:
|
|
* - processes the pressed buttons 'addlevel', 'addcriterion', 'moveup', 'movedown', 'delete' (when JavaScript is disabled)
|
|
* sets $this->nonjsbuttonpressed to true/false if such button was pressed
|
|
* - if options not passed (i.e. we create a new guide) fills the options array with the default values
|
|
* - if options are passed completes the options array with unchecked checkboxes
|
|
* - if $withvalidation is set, adds 'error_xxx' attributes to elements that contain errors and creates an error string
|
|
* and stores it in $this->validationerrors
|
|
*
|
|
* @param array $value
|
|
* @param boolean $withvalidation whether to enable data validation
|
|
* @return array
|
|
*/
|
|
protected function prepare_data($value = null, $withvalidation = false) {
|
|
if (null === $value) {
|
|
$value = $this->getValue();
|
|
}
|
|
if ($this->nonjsbuttonpressed === null) {
|
|
$this->nonjsbuttonpressed = false;
|
|
}
|
|
|
|
$errors = array();
|
|
$return = array('criteria' => array(), 'options' => gradingform_guide_controller::get_default_options(),
|
|
'comments' => array());
|
|
if (!isset($value['criteria'])) {
|
|
$value['criteria'] = array();
|
|
$errors['err_nocriteria'] = 1;
|
|
}
|
|
// If options are present in $value, replace default values with submitted values.
|
|
if (!empty($value['options'])) {
|
|
foreach (array_keys($return['options']) as $option) {
|
|
// Special treatment for checkboxes.
|
|
if (!empty($value['options'][$option])) {
|
|
$return['options'][$option] = $value['options'][$option];
|
|
} else {
|
|
$return['options'][$option] = null;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if (is_array($value)) {
|
|
// For other array keys of $value no special treatmeant neeeded, copy them to return value as is.
|
|
foreach (array_keys($value) as $key) {
|
|
if ($key != 'options' && $key != 'criteria' && $key != 'comments') {
|
|
$return[$key] = $value[$key];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Iterate through criteria.
|
|
$lastaction = null;
|
|
$lastid = null;
|
|
foreach ($value['criteria'] as $id => $criterion) {
|
|
if ($id == 'addcriterion') {
|
|
$id = $this->get_next_id(array_keys($value['criteria']));
|
|
$criterion = array('description' => '');
|
|
$this->nonjsbuttonpressed = true;
|
|
}
|
|
|
|
if ($withvalidation && !array_key_exists('delete', $criterion)) {
|
|
if (!strlen(trim($criterion['shortname']))) {
|
|
$errors['err_noshortname'] = 1;
|
|
$criterion['error_description'] = true;
|
|
}
|
|
if (strlen(trim($criterion['shortname'])) > 255) {
|
|
$errors['err_shortnametoolong'] = 1;
|
|
$criterion['error_description'] = true;
|
|
}
|
|
if (!strlen(trim($criterion['maxscore']))) {
|
|
$errors['err_nomaxscore'] = 1;
|
|
$criterion['error_description'] = true;
|
|
} else if (!is_numeric($criterion['maxscore'])) {
|
|
$errors['err_maxscorenotnumeric'] = 1;
|
|
$criterion['error_description'] = true;
|
|
} else if ($criterion['maxscore'] < 0) {
|
|
$errors['err_maxscoreisnegative'] = 1;
|
|
$criterion['error_description'] = true;
|
|
}
|
|
}
|
|
if (array_key_exists('moveup', $criterion) || $lastaction == 'movedown') {
|
|
unset($criterion['moveup']);
|
|
if ($lastid !== null) {
|
|
$lastcriterion = $return['criteria'][$lastid];
|
|
unset($return['criteria'][$lastid]);
|
|
$return['criteria'][$id] = $criterion;
|
|
$return['criteria'][$lastid] = $lastcriterion;
|
|
} else {
|
|
$return['criteria'][$id] = $criterion;
|
|
}
|
|
$lastaction = null;
|
|
$lastid = $id;
|
|
$this->nonjsbuttonpressed = true;
|
|
} else if (array_key_exists('delete', $criterion)) {
|
|
$this->nonjsbuttonpressed = true;
|
|
} else {
|
|
if (array_key_exists('movedown', $criterion)) {
|
|
unset($criterion['movedown']);
|
|
$lastaction = 'movedown';
|
|
$this->nonjsbuttonpressed = true;
|
|
}
|
|
$return['criteria'][$id] = $criterion;
|
|
$lastid = $id;
|
|
}
|
|
}
|
|
|
|
// Add sort order field to criteria.
|
|
$csortorder = 1;
|
|
foreach (array_keys($return['criteria']) as $id) {
|
|
$return['criteria'][$id]['sortorder'] = $csortorder++;
|
|
}
|
|
|
|
// Iterate through comments.
|
|
$lastaction = null;
|
|
$lastid = null;
|
|
if (!empty($value['comments'])) {
|
|
foreach ($value['comments'] as $id => $comment) {
|
|
if ($id == 'addcomment') {
|
|
$id = $this->get_next_id(array_keys($value['comments']));
|
|
$comment = array('description' => '');
|
|
$this->nonjsbuttonpressed = true;
|
|
}
|
|
|
|
if (array_key_exists('moveup', $comment) || $lastaction == 'movedown') {
|
|
unset($comment['moveup']);
|
|
if ($lastid !== null) {
|
|
$lastcomment = $return['comments'][$lastid];
|
|
unset($return['comments'][$lastid]);
|
|
$return['comments'][$id] = $comment;
|
|
$return['comments'][$lastid] = $lastcomment;
|
|
} else {
|
|
$return['comments'][$id] = $comment;
|
|
}
|
|
$lastaction = null;
|
|
$lastid = $id;
|
|
$this->nonjsbuttonpressed = true;
|
|
} else if (array_key_exists('delete', $comment)) {
|
|
$this->nonjsbuttonpressed = true;
|
|
} else {
|
|
if (array_key_exists('movedown', $comment)) {
|
|
unset($comment['movedown']);
|
|
$lastaction = 'movedown';
|
|
$this->nonjsbuttonpressed = true;
|
|
}
|
|
$return['comments'][$id] = $comment;
|
|
$lastid = $id;
|
|
}
|
|
}
|
|
// Add sort order field to comments.
|
|
$csortorder = 1;
|
|
foreach (array_keys($return['comments']) as $id) {
|
|
$return['comments'][$id]['sortorder'] = $csortorder++;
|
|
}
|
|
}
|
|
// Create validation error string (if needed).
|
|
if ($withvalidation) {
|
|
if (count($errors)) {
|
|
$rv = array();
|
|
foreach ($errors as $error => $v) {
|
|
$rv[] = get_string($error, 'gradingform_guide');
|
|
}
|
|
$this->validationerrors = join('<br/ >', $rv);
|
|
} else {
|
|
$this->validationerrors = false;
|
|
}
|
|
$this->wasvalidated = true;
|
|
}
|
|
return $return;
|
|
|
|
}
|
|
|
|
/**
|
|
* Scans array $ids to find the biggest element ! NEWID*, increments it by 1 and returns
|
|
*
|
|
* @param array $ids
|
|
* @return string
|
|
*/
|
|
protected function get_next_id($ids) {
|
|
$maxid = 0;
|
|
foreach ($ids as $id) {
|
|
if (preg_match('/^NEWID(\d+)$/', $id, $matches) && ((int)$matches[1]) > $maxid) {
|
|
$maxid = (int)$matches[1];
|
|
}
|
|
}
|
|
return 'NEWID'.($maxid+1);
|
|
}
|
|
|
|
/**
|
|
* Checks if a submit button was pressed which is supposed to be processed on client side by JS
|
|
* but user seem to have disabled JS in the browser.
|
|
* (buttons 'add criteria', 'add level', 'move up', 'move down', 'add comment')
|
|
* In this case the form containing this element is prevented from being submitted
|
|
*
|
|
* @param array $value
|
|
* @return boolean true if non-submit button was pressed and not processed by JS
|
|
*/
|
|
public function non_js_button_pressed($value) {
|
|
if ($this->nonjsbuttonpressed === null) {
|
|
$this->prepare_data($value);
|
|
}
|
|
return $this->nonjsbuttonpressed;
|
|
}
|
|
|
|
/**
|
|
* Validates that guide has at least one criterion, filled definitions and all criteria
|
|
* have filled descriptions
|
|
*
|
|
* @param array $value
|
|
* @return string|false error text or false if no errors found
|
|
*/
|
|
public function validate($value) {
|
|
if (!$this->wasvalidated) {
|
|
$this->prepare_data($value, true);
|
|
}
|
|
return $this->validationerrors;
|
|
}
|
|
|
|
/**
|
|
* Prepares the data for saving
|
|
* @see prepare_data()
|
|
*
|
|
* @param array $submitvalues
|
|
* @param boolean $assoc
|
|
* @return array
|
|
*/
|
|
public function exportValue(&$submitvalues, $assoc = false) {
|
|
$value = $this->prepare_data($this->_findValue($submitvalues));
|
|
return $this->_prepareValue($value, $assoc);
|
|
}
|
|
}
|
|
|