Differences Between: [Versions 310 and 311] [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403] [Versions 39 and 311]
1 <?php 2 3 // This file is part of Moodle - http://moodle.org/ 4 // 5 // Moodle is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // Moodle is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 // 15 // You should have received a copy of the GNU General Public License 16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 17 18 /** 19 * This page prints a particular instance of lesson 20 * 21 * @package mod_lesson 22 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} 23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or late 24 **/ 25 26 define('NO_OUTPUT_BUFFERING', true); 27 28 require_once(__DIR__ . '/../../config.php'); 29 require_once($CFG->dirroot.'/mod/lesson/locallib.php'); 30 require_once($CFG->libdir . '/grade/constants.php'); 31 32 $id = required_param('id', PARAM_INT); // Course Module ID 33 $pageid = optional_param('pageid', null, PARAM_INT); // Lesson Page ID 34 $edit = optional_param('edit', -1, PARAM_BOOL); 35 $userpassword = optional_param('userpassword','',PARAM_RAW); 36 $backtocourse = optional_param('backtocourse', false, PARAM_RAW); 37 38 $cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST); 39 $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); 40 $lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST), $cm, $course); 41 42 require_login($course, false, $cm); 43 44 if ($backtocourse) { 45 redirect(new moodle_url('/course/view.php', array('id'=>$course->id))); 46 } 47 48 // Apply overrides. 49 $lesson->update_effective_access($USER->id); 50 51 $url = new moodle_url('/mod/lesson/view.php', array('id'=>$id)); 52 if ($pageid !== null) { 53 $url->param('pageid', $pageid); 54 } 55 $PAGE->set_url($url); 56 $PAGE->force_settings_menu(); 57 58 $context = $lesson->context; 59 $canmanage = $lesson->can_manage(); 60 61 $lessonoutput = $PAGE->get_renderer('mod_lesson'); 62 63 $reviewmode = $lesson->is_in_review_mode(); 64 65 if ($lesson->usepassword && !empty($userpassword)) { 66 require_sesskey(); 67 } 68 69 // Check these for students only TODO: Find a better method for doing this! 70 if ($timerestriction = $lesson->get_time_restriction_status()) { // Deadline restrictions. 71 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('notavailable')); 72 // No need to display warnings because activity dates are displayed at the top of the page. 73 echo $lessonoutput->lesson_inaccessible(''); 74 echo $lessonoutput->footer(); 75 exit(); 76 } else if ($passwordrestriction = $lesson->get_password_restriction_status($userpassword)) { // Password protected lesson code. 77 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('passwordprotectedlesson', 'lesson', format_string($lesson->name))); 78 echo $lessonoutput->login_prompt($lesson, $userpassword !== ''); 79 echo $lessonoutput->footer(); 80 exit(); 81 } else if ($dependenciesrestriction = $lesson->get_dependencies_restriction_status()) { // Check for dependencies. 82 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('completethefollowingconditions', 'lesson', format_string($lesson->name))); 83 echo $lessonoutput->dependancy_errors($dependenciesrestriction->dependentlesson, $dependenciesrestriction->errors); 84 echo $lessonoutput->footer(); 85 exit(); 86 } 87 88 // This is called if a student leaves during a lesson. 89 if ($pageid == LESSON_UNSEENBRANCHPAGE) { 90 $pageid = lesson_unseen_question_jump($lesson, $USER->id, $pageid); 91 } 92 93 // To avoid multiple calls, store the magic property firstpage. 94 $lessonfirstpage = $lesson->firstpage; 95 $lessonfirstpageid = $lessonfirstpage ? $lessonfirstpage->id : false; 96 97 // display individual pages and their sets of answers 98 // if pageid is EOL then the end of the lesson has been reached 99 // for flow, changed to simple echo for flow styles, michaelp, moved lesson name and page title down 100 $attemptflag = false; 101 if (empty($pageid)) { 102 // make sure there are pages to view 103 if (!$lessonfirstpageid) { 104 if (!$canmanage) { 105 $lesson->add_message(get_string('lessonnotready2', 'lesson')); // a nice message to the student 106 } else { 107 if (!$DB->count_records('lesson_pages', array('lessonid'=>$lesson->id))) { 108 redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id"); // no pages - redirect to add pages 109 } else { 110 $lesson->add_message(get_string('lessonpagelinkingbroken', 'lesson')); // ok, bad mojo 111 } 112 } 113 } 114 115 // if no pageid given see if the lesson has been started 116 $retries = $lesson->count_user_retries($USER->id); 117 if ($retries > 0) { 118 $attemptflag = true; 119 } 120 121 if (isset($USER->modattempts[$lesson->id])) { 122 unset($USER->modattempts[$lesson->id]); // if no pageid, then student is NOT reviewing 123 } 124 125 $lastpageseen = $lesson->get_last_page_seen($retries); 126 127 // Check if the lesson was attempted in an external device like the mobile app. 128 // This check makes sense only when the lesson allows offline attempts. 129 if ($lesson->allowofflineattempts && $timers = $lesson->get_user_timers($USER->id, 'starttime DESC', '*', 0, 1)) { 130 $timer = current($timers); 131 if (!empty($timer->timemodifiedoffline)) { 132 $lasttime = format_time(time() - $timer->timemodifiedoffline); 133 $lesson->add_message(get_string('offlinedatamessage', 'lesson', $lasttime), 'warning'); 134 } 135 } 136 137 // Check to see if end of lesson was reached. 138 if (($lastpageseen !== false && ($lastpageseen != LESSON_EOL))) { 139 // End not reached. Check if the user left. 140 if ($lesson->left_during_timed_session($retries)) { 141 142 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('leftduringtimedsession', 'lesson')); 143 if ($lesson->timelimit) { 144 if ($lesson->retake) { 145 $continuelink = new single_button(new moodle_url('/mod/lesson/view.php', 146 array('id' => $cm->id, 'pageid' => $lesson->firstpageid, 'startlastseen' => 'no')), 147 get_string('continue', 'lesson'), 'get'); 148 149 echo html_writer::div($lessonoutput->message(get_string('leftduringtimed', 'lesson'), $continuelink), 150 'center leftduring'); 151 152 } else { 153 $courselink = new single_button(new moodle_url('/course/view.php', 154 array('id' => $PAGE->course->id)), get_string('returntocourse', 'lesson'), 'get'); 155 156 echo html_writer::div($lessonoutput->message(get_string('leftduringtimednoretake', 'lesson'), $courselink), 157 'center leftduring'); 158 } 159 } else { 160 echo $lessonoutput->continue_links($lesson, $lastpageseen); 161 } 162 echo $lessonoutput->footer(); 163 exit(); 164 } 165 } 166 167 if ($attemptflag) { 168 if (!$lesson->retake) { 169 echo $lessonoutput->header($lesson, $cm, 'view', '', null, get_string("noretake", "lesson")); 170 $courselink = new single_button(new moodle_url('/course/view.php', array('id'=>$PAGE->course->id)), get_string('returntocourse', 'lesson'), 'get'); 171 echo $lessonoutput->message(get_string("noretake", "lesson"), $courselink); 172 echo $lessonoutput->footer(); 173 exit(); 174 } 175 } 176 // start at the first page 177 if (!$pageid = $lessonfirstpageid) { 178 echo $lessonoutput->header($lesson, $cm, 'view', '', null); 179 // Lesson currently has no content. A message for display has been prepared and will be displayed by the header method 180 // of the lesson renderer. 181 echo $lessonoutput->footer(); 182 exit(); 183 } 184 /// This is the code for starting a timed test 185 if(!isset($USER->startlesson[$lesson->id]) && !$canmanage) { 186 $lesson->start_timer(); 187 } 188 } 189 190 $currenttab = 'view'; 191 $extraeditbuttons = false; 192 $lessonpageid = null; 193 $timer = null; 194 195 if ($pageid != LESSON_EOL) { 196 197 $lesson->set_module_viewed(); 198 199 $timer = null; 200 // This is the code updates the lessontime for a timed test. 201 $startlastseen = optional_param('startlastseen', '', PARAM_ALPHA); 202 203 // Check to see if the user can see the left menu. 204 if (!$canmanage) { 205 $lesson->displayleft = lesson_displayleftif($lesson); 206 207 $continue = ($startlastseen !== ''); 208 $restart = ($continue && $startlastseen == 'yes'); 209 $timer = $lesson->update_timer($continue, $restart); 210 211 // Check time limit. 212 if (!$lesson->check_time($timer)) { 213 redirect(new moodle_url('/mod/lesson/view.php', array('id' => $cm->id, 'pageid' => LESSON_EOL, 'outoftime' => 'normal'))); 214 die; // Shouldn't be reached, but make sure. 215 } 216 } 217 218 list($newpageid, $page, $lessoncontent) = $lesson->prepare_page_and_contents($pageid, $lessonoutput, $reviewmode); 219 220 if (($edit != -1) && $PAGE->user_allowed_editing()) { 221 $USER->editing = $edit; 222 } 223 224 $PAGE->set_subpage($page->id); 225 $currenttab = 'view'; 226 $extraeditbuttons = true; 227 $lessonpageid = $page->id; 228 $extrapagetitle = $page->title; 229 230 lesson_add_fake_blocks($PAGE, $cm, $lesson, $timer); 231 echo $lessonoutput->header($lesson, $cm, $currenttab, $extraeditbuttons, $lessonpageid, $extrapagetitle); 232 if ($attemptflag) { 233 // We are using level 3 header because attempt heading is a sub-heading of lesson title (MDL-30911). 234 echo $OUTPUT->heading(get_string('attempt', 'lesson', $retries), 3); 235 } 236 // This calculates and prints the ongoing score. 237 if ($lesson->ongoing && !empty($pageid) && !$reviewmode) { 238 echo $lessonoutput->ongoing_score($lesson); 239 } 240 if ($lesson->displayleft) { 241 echo '<a name="maincontent" id="maincontent" title="' . get_string('anchortitle', 'lesson') . '"></a>'; 242 } 243 echo $lessoncontent; 244 echo $lessonoutput->progress_bar($lesson); 245 echo $lessonoutput->footer(); 246 247 } else { 248 249 // End of lesson reached work out grade. 250 // Used to check to see if the student ran out of time. 251 $outoftime = optional_param('outoftime', '', PARAM_ALPHA); 252 253 $data = $lesson->process_eol_page($outoftime); 254 $lessoncontent = $lessonoutput->display_eol_page($lesson, $data); 255 256 lesson_add_fake_blocks($PAGE, $cm, $lesson, $timer); 257 echo $lessonoutput->header($lesson, $cm, $currenttab, $extraeditbuttons, $lessonpageid, get_string("congratulations", "lesson")); 258 echo $lessoncontent; 259 echo $lessonoutput->footer(); 260 }
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