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116 lines
4.0 KiB
116 lines
4.0 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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* This behaviour is for information items.
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*
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* @package qbehaviour
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* @subpackage informationitem
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* @copyright 2009 The Open University
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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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defined('MOODLE_INTERNAL') || die();
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/**
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* Question behaviour informaiton items.
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*
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* For example for the 'Description' 'Question type'. There is no grade,
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* and the question type is marked complete the first time the user navigates
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* away from a page that contains that question.
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*
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* @copyright 2009 The Open University
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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 qbehaviour_informationitem extends question_behaviour {
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public function is_compatible_question(question_definition $question) {
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return true;
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}
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public function get_expected_data() {
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if ($this->qa->get_state() == question_state::$todo) {
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return array('seen' => PARAM_BOOL);
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}
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return parent::get_expected_data();
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}
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public function get_correct_response() {
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if ($this->qa->get_state() == question_state::$todo) {
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return array('seen' => 1);
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}
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return array();
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}
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public function adjust_display_options(question_display_options $options) {
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parent::adjust_display_options($options);
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$options->marks = question_display_options::HIDDEN;
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// At the moment, the code exists to process a manual comment on an
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// information item, but we don't display the UI unless there is already
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// a comment.
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if (!$this->qa->get_state()->is_commented()) {
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$options->manualcomment = question_display_options::HIDDEN;
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}
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}
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public function get_state_string($showcorrectness) {
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return '';
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}
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public function process_action(question_attempt_pending_step $pendingstep) {
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if ($pendingstep->has_behaviour_var('comment')) {
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return $this->process_comment($pendingstep);
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} else if ($pendingstep->has_behaviour_var('finish')) {
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return $this->process_finish($pendingstep);
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} else if ($pendingstep->has_behaviour_var('seen')) {
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return $this->process_seen($pendingstep);
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} else {
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return question_attempt::DISCARD;
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}
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}
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public function summarise_action(question_attempt_step $step) {
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if ($step->has_behaviour_var('comment')) {
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return $this->summarise_manual_comment($step);
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} else if ($step->has_behaviour_var('finish')) {
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return $this->summarise_finish($step);
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} else if ($step->has_behaviour_var('seen')) {
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return get_string('seen', 'qbehaviour_informationitem');
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}
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return $this->summarise_start($step);
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}
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public function process_comment(question_attempt_pending_step $pendingstep) {
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if ($pendingstep->has_behaviour_var('mark')) {
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throw new coding_exception('Information items cannot be graded.');
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}
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return parent::process_comment($pendingstep);
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}
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public function process_finish(question_attempt_pending_step $pendingstep) {
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$pendingstep->set_state(question_state::$finished);
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return question_attempt::KEEP;
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}
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public function process_seen(question_attempt_pending_step $pendingstep) {
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$pendingstep->set_state(question_state::$complete);
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return question_attempt::KEEP;
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}
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}
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