MDL-47113 lti: Add link to open in new window, when popup blocked
[moodle.git] / mod / lti / view.php
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dbb0fec9 1<?php
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2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
16//
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17// This file is part of BasicLTI4Moodle
18//
19// BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)
20// consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web
21// based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI
22// specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS
23// are already supporting or going to support BasicLTI. This project Implements the consumer
24// for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.
25// BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem
26// at the GESSI research group at UPC.
27// SimpleLTI consumer for Moodle is an implementation of the early specification of LTI
28// by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a
29// Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.
30//
31// BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis
32// of the Universitat Politecnica de Catalunya http://www.upc.edu
e3f69b58 33// Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu.
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34
35/**
61eb12d4 36 * This file contains all necessary code to view a lti activity instance
dbb0fec9 37 *
2b17ec3d 38 * @package mod_lti
61eb12d4 39 * @copyright 2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
dbb0fec9 40 * marc.alier@upc.edu
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41 * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
42 * @author Marc Alier
43 * @author Jordi Piguillem
44 * @author Nikolas Galanis
8f45215d 45 * @author Chris Scribner
61eb12d4 46 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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47 */
48
49require_once('../../config.php');
8fa50fdd 50require_once($CFG->libdir.'/completionlib.php');
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51require_once($CFG->dirroot.'/mod/lti/lib.php');
52require_once($CFG->dirroot.'/mod/lti/locallib.php');
53
54$id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
e3f69b58 55$l = optional_param('l', 0, PARAM_INT); // lti ID.
dbb0fec9 56
e3f69b58 57if ($l) { // Two ways to specify the module.
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58 $lti = $DB->get_record('lti', array('id' => $l), '*', MUST_EXIST);
59 $cm = get_coursemodule_from_instance('lti', $lti->id, $lti->course, false, MUST_EXIST);
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60
61} else {
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62 $cm = get_coursemodule_from_id('lti', $id, 0, false, MUST_EXIST);
63 $lti = $DB->get_record('lti', array('id' => $cm->instance), '*', MUST_EXIST);
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64}
65
74df2951 66$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
a55c3619 67
64ca2822 68if (!empty($lti->typeid)) {
69 $toolconfig = lti_get_type_config($lti->typeid);
70} else if ($tool = lti_get_tool_by_url_match($lti->toolurl)) {
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71 $toolconfig = lti_get_type_config($tool->id);
72} else {
c4d80efe 73 $toolconfig = array();
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74}
75
e3f69b58 76$PAGE->set_cm($cm, $course); // Set's up global $COURSE.
c288a3db 77$context = context_module::instance($cm->id);
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78$PAGE->set_context($context);
79
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80require_login($course, true, $cm);
81require_capability('mod/lti:view', $context);
82
e3f69b58 83$url = new moodle_url('/mod/lti/view.php', array('id' => $cm->id));
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84$PAGE->set_url($url);
85
a55c3619 86$launchcontainer = lti_get_launch_container($lti, $toolconfig);
cca9d3f7 87
ea04a9f9 88if ($launchcontainer == LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS) {
e3f69b58 89 $PAGE->set_pagelayout('frametop'); // Most frametops don't include footer, and pre-post blocks.
90 $PAGE->blocks->show_only_fake_blocks(); // Disable blocks for layouts which do include pre-post blocks.
ea04a9f9 91} else if ($launchcontainer == LTI_LAUNCH_CONTAINER_REPLACE_MOODLE_WINDOW) {
cca9d3f7 92 redirect('launch.php?id=' . $cm->id);
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93} else {
94 $PAGE->set_pagelayout('incourse');
95}
96
a55c3619 97$pagetitle = strip_tags($course->shortname.': '.format_string($lti->name));
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98$PAGE->set_title($pagetitle);
99$PAGE->set_heading($course->fullname);
100
e3f69b58 101// Print the page header.
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102echo $OUTPUT->header();
103
b07878ec 104if ($lti->showtitlelaunch) {
e3f69b58 105 // Print the main part of the page.
80fd0072 106 echo $OUTPUT->heading(format_string($lti->name, true, array('context' => $context)));
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107}
108
b07878ec 109if ($lti->showdescriptionlaunch && $lti->intro) {
8ce862ed 110 echo $OUTPUT->box(format_module_intro('lti', $lti, $cm->id), 'generalbox description', 'intro');
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111}
112
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113if ( $launchcontainer == LTI_LAUNCH_CONTAINER_WINDOW ) {
114 echo "<script language=\"javascript\">//<![CDATA[\n";
b346737e 115 echo "window.open('launch.php?id=".$cm->id."','lti-".$cm->id."');";
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116 echo "//]]\n";
117 echo "</script>\n";
118 echo "<p>".get_string("basiclti_in_new_window", "lti")."</p>\n";
b346737e 119 echo "<p> <a href='launch.php?id=".$cm->id."' target='_blank'>".get_string("basiclti_in_new_window_open", "lti")."</a></p>\n";
dbb0fec9 120} else {
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121 // Request the launch content with an iframe tag.
122 echo '<iframe id="contentframe" height="600px" width="100%" src="launch.php?id='.$cm->id.'"></iframe>';
e27cb316 123
e3f69b58 124 // Output script to make the iframe tag be as large as possible.
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125 $resize = '
126 <script type="text/javascript">
dbb0fec9 127 //<![CDATA[
8fa50fdd 128 YUI().use("node", "event", function(Y) {
dbb0fec9 129 //Take scrollbars off the outer document to prevent double scroll bar effect
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130 var doc = Y.one("body");
131 doc.setStyle("overflow", "hidden");
e27cb316 132
8fa50fdd 133 var frame = Y.one("#contentframe");
5de15b83 134 var padding = 15; //The bottom of the iframe wasn\'t visible on some themes. Probably because of border widths, etc.
dbb0fec9 135 var lastHeight;
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136 var resize = function(e) {
137 var viewportHeight = doc.get("winHeight");
138 if(lastHeight !== Math.min(doc.get("docHeight"), viewportHeight)){
139 frame.setStyle("height", viewportHeight - frame.getY() - padding + "px");
140 lastHeight = Math.min(doc.get("docHeight"), doc.get("winHeight"));
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141 }
142 };
143
144 resize();
145
8fa50fdd 146 Y.on("windowresize", resize);
426f2d5b 147 });
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148 //]]
149 </script>
5de15b83 150';
e27cb316 151
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152 echo $resize;
153}
154
e3f69b58 155// Finish the page.
dbb0fec9 156echo $OUTPUT->footer();