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322 lines
12 KiB
322 lines
12 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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defined('MOODLE_INTERNAL') OR die('not allowed');
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require_once($CFG->dirroot.'/mod/feedback/item/feedback_item_class.php');
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class feedback_item_info extends feedback_item_base {
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protected $type = "info";
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/** Mode recording response time (for non-anonymous feedbacks only) */
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const MODE_RESPONSETIME = 1;
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/** Mode recording current course */
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const MODE_COURSE = 2;
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/** Mode recording current course category */
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const MODE_CATEGORY = 3;
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/** Special constant to keep the current timestamp as value for the form element */
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const CURRENTTIMESTAMP = '__CURRENT__TIMESTAMP__';
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public function build_editform($item, $feedback, $cm) {
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global $DB, $CFG;
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require_once('info_form.php');
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//get the lastposition number of the feedback_items
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$position = $item->position;
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$lastposition = $DB->count_records('feedback_item', array('feedback'=>$feedback->id));
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if ($position == -1) {
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$i_formselect_last = $lastposition + 1;
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$i_formselect_value = $lastposition + 1;
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$item->position = $lastposition + 1;
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} else {
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$i_formselect_last = $lastposition;
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$i_formselect_value = $item->position;
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}
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//the elements for position dropdownlist
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$positionlist = array_slice(range(0, $i_formselect_last), 1, $i_formselect_last, true);
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$item->presentation = empty($item->presentation) ? self::MODE_COURSE : $item->presentation;
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$item->required = 0;
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//all items for dependitem
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$feedbackitems = feedback_get_depend_candidates_for_item($feedback, $item);
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$commonparams = array('cmid'=>$cm->id,
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'id'=>isset($item->id) ? $item->id : null,
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'typ'=>$item->typ,
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'items'=>$feedbackitems,
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'feedback'=>$feedback->id);
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// Options for the 'presentation' select element.
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$presentationoptions = array();
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if ($feedback->anonymous == FEEDBACK_ANONYMOUS_NO || $item->presentation == self::MODE_RESPONSETIME) {
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// "Response time" is hidden anyway in case of anonymous feedback, no reason to offer this option.
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// However if it was already selected leave it in the dropdown.
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$presentationoptions[self::MODE_RESPONSETIME] = get_string('responsetime', 'feedback');
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}
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$presentationoptions[self::MODE_COURSE] = get_string('course');
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$presentationoptions[self::MODE_CATEGORY] = get_string('coursecategory');
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//build the form
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$this->item_form = new feedback_info_form('edit_item.php',
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array('item'=>$item,
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'common'=>$commonparams,
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'positionlist'=>$positionlist,
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'position' => $position,
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'presentationoptions' => $presentationoptions));
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}
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public function save_item() {
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global $DB;
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if (!$this->get_data()) {
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return false;
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}
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$item = $this->item;
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if (isset($item->clone_item) AND $item->clone_item) {
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$item->id = ''; //to clone this item
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$item->position++;
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}
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$item->hasvalue = $this->get_hasvalue();
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if (!$item->id) {
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$item->id = $DB->insert_record('feedback_item', $item);
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} else {
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$DB->update_record('feedback_item', $item);
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}
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return $DB->get_record('feedback_item', array('id'=>$item->id));
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}
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/**
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* Helper function for collected data, both for analysis page and export to excel
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*
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* @param stdClass $item the db-object from feedback_item
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* @param int|false $groupid
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* @param int $courseid
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* @return stdClass
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*/
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protected function get_analysed($item, $groupid = false, $courseid = false) {
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$presentation = $item->presentation;
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$analysed_val = new stdClass();
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$analysed_val->data = null;
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$analysed_val->name = $item->name;
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$values = feedback_get_group_values($item, $groupid, $courseid);
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if ($values) {
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$data = array();
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foreach ($values as $value) {
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$datavalue = new stdClass();
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switch($presentation) {
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case self::MODE_RESPONSETIME:
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$datavalue->value = $value->value;
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$datavalue->show = $value->value ? userdate($datavalue->value) : '';
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break;
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case self::MODE_COURSE:
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$datavalue->value = $value->value;
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$datavalue->show = $datavalue->value;
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break;
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case self::MODE_CATEGORY:
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$datavalue->value = $value->value;
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$datavalue->show = $datavalue->value;
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break;
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}
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$data[] = $datavalue;
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}
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$analysed_val->data = $data;
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}
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return $analysed_val;
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}
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public function get_printval($item, $value) {
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if (strval($value->value) === '') {
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return '';
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}
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return $item->presentation == self::MODE_RESPONSETIME ?
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userdate($value->value) : $value->value;
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}
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public function print_analysed($item, $itemnr = '', $groupid = false, $courseid = false) {
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echo "<table class=\"analysis itemtype_{$item->typ}\">";
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$analysed_item = $this->get_analysed($item, $groupid, $courseid);
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$data = $analysed_item->data;
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if (is_array($data)) {
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echo '<tr><th colspan="2" align="left">';
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echo $itemnr . ' ';
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if (strval($item->label) !== '') {
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echo '('. format_string($item->label).') ';
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}
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echo format_text($item->name, FORMAT_HTML, array('noclean' => true, 'para' => false));
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echo '</th></tr>';
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$sizeofdata = count($data);
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for ($i = 0; $i < $sizeofdata; $i++) {
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$class = strlen(trim($data[$i]->show)) ? '' : ' class="isempty"';
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echo '<tr'.$class.'><td colspan="2" class="singlevalue">';
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echo str_replace("\n", '<br />', $data[$i]->show);
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echo '</td></tr>';
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}
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}
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echo '</table>';
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}
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public function excelprint_item(&$worksheet, $row_offset,
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$xls_formats, $item,
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$groupid, $courseid = false) {
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$analysed_item = $this->get_analysed($item, $groupid, $courseid);
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$worksheet->write_string($row_offset, 0, $item->label, $xls_formats->head2);
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$worksheet->write_string($row_offset, 1, $item->name, $xls_formats->head2);
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$data = $analysed_item->data;
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if (is_array($data)) {
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$worksheet->write_string($row_offset, 2, $data[0]->show, $xls_formats->value_bold);
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$row_offset++;
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$sizeofdata = count($data);
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for ($i = 1; $i < $sizeofdata; $i++) {
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$worksheet->write_string($row_offset, 2, $data[$i]->show, $xls_formats->default);
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$row_offset++;
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}
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}
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$row_offset++;
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return $row_offset;
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}
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/**
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* Calculates the value of the item (time, course, course category)
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*
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* @param stdClass $item
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* @param stdClass $feedback
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* @param int $courseid
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* @return string
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*/
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protected function get_current_value($item, $feedback, $courseid) {
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global $DB;
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switch ($item->presentation) {
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case self::MODE_RESPONSETIME:
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if ($feedback->anonymous != FEEDBACK_ANONYMOUS_YES) {
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// Response time is not allowed in anonymous feedbacks.
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return time();
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}
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break;
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case self::MODE_COURSE:
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$course = get_course($courseid);
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return format_string($course->shortname, true,
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array('context' => context_course::instance($course->id)));
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break;
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case self::MODE_CATEGORY:
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if ($courseid !== SITEID) {
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$coursecategory = $DB->get_record_sql('SELECT cc.id, cc.name FROM {course_categories} cc, {course} c '
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. 'WHERE c.category = cc.id AND c.id = ?', array($courseid));
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return format_string($coursecategory->name, true,
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array('context' => context_coursecat::instance($coursecategory->id)));
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}
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break;
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}
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return '';
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}
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/**
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* Adds an input element to the complete form
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*
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* @param stdClass $item
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* @param mod_feedback_complete_form $form
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*/
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public function complete_form_element($item, $form) {
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if ($form->get_mode() == mod_feedback_complete_form::MODE_VIEW_RESPONSE) {
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$value = strval($form->get_item_value($item));
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} else {
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$value = $this->get_current_value($item,
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$form->get_feedback(), $form->get_current_course_id());
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}
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$printval = $this->get_printval($item, (object)['value' => $value]);
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$class = '';
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switch ($item->presentation) {
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case self::MODE_RESPONSETIME:
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$class = 'info-responsetime';
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$value = $value ? self::CURRENTTIMESTAMP : '';
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break;
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case self::MODE_COURSE:
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$class = 'info-course';
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break;
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case self::MODE_CATEGORY:
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$class = 'info-category';
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break;
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}
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$name = $this->get_display_name($item);
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$inputname = $item->typ . '_' . $item->id;
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$element = $form->add_form_element($item,
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['select', $inputname, $name,
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array($value => $printval),
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array('class' => $class)],
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false,
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false);
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$form->set_element_default($inputname, $value);
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$element->freeze();
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if ($form->get_mode() == mod_feedback_complete_form::MODE_COMPLETE) {
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$element->setPersistantFreeze(true);
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}
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}
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/**
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* Converts the value from complete_form data to the string value that is stored in the db.
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* @param mixed $value element from mod_feedback_complete_form::get_data() with the name $item->typ.'_'.$item->id
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* @return string
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*/
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public function create_value($value) {
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if ($value === self::CURRENTTIMESTAMP) {
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return strval(time());
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}
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return parent::create_value($value);
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}
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public function can_switch_require() {
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return false;
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}
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public function get_data_for_external($item) {
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global $DB;
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$feedback = $DB->get_record('feedback', array('id' => $item->feedback), '*', MUST_EXIST);
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// Return the default value (course name, category name or timestamp).
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return $this->get_current_value($item, $feedback, $feedback->course);
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}
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/**
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* Return the analysis data ready for external functions.
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*
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* @param stdClass $item the item (question) information
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* @param int $groupid the group id to filter data (optional)
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* @param int $courseid the course id (optional)
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* @return array an array of data with non scalar types json encoded
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* @since Moodle 3.3
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*/
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public function get_analysed_for_external($item, $groupid = false, $courseid = false) {
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$externaldata = array();
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$data = $this->get_analysed($item, $groupid, $courseid);
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if (is_array($data->data)) {
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foreach ($data->data as $d) {
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$externaldata[] = json_encode($d);
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}
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}
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return $externaldata;
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}
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}
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