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dbb0fec9 | 1 | <?php |
61eb12d4 CS |
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 | // | |
dbb0fec9 CS |
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 | |
33 | // Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu | |
dbb0fec9 CS |
34 | |
35 | /** | |
61eb12d4 | 36 | * This file contains all necessary code to view a lti activity instance |
dbb0fec9 | 37 | * |
61eb12d4 CS |
38 | * @package mod |
39 | * @subpackage lti | |
40 | * @copyright 2009 Marc Alier, Jordi Piguillem, Nikolas Galanis | |
dbb0fec9 | 41 | * marc.alier@upc.edu |
61eb12d4 CS |
42 | * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu |
43 | * @author Marc Alier | |
44 | * @author Jordi Piguillem | |
45 | * @author Nikolas Galanis | |
46 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
dbb0fec9 CS |
47 | */ |
48 | ||
49 | require_once('../../config.php'); | |
50 | require_once($CFG->dirroot.'/mod/lti/lib.php'); | |
51 | require_once($CFG->dirroot.'/mod/lti/locallib.php'); | |
52 | ||
53 | $id = optional_param('id', 0, PARAM_INT); // Course Module ID, or | |
a55c3619 | 54 | $l = optional_param('l', 0, PARAM_INT); // lti ID |
dbb0fec9 | 55 | |
a55c3619 EL |
56 | if ($l) { // Two ways to specify the module |
57 | $lti = $DB->get_record('lti', array('id' => $l), '*', MUST_EXIST); | |
58 | $cm = get_coursemodule_from_instance('lti', $lti->id, $lti->course, false, MUST_EXIST); | |
dbb0fec9 CS |
59 | |
60 | } else { | |
a55c3619 EL |
61 | $cm = get_coursemodule_from_id('lti', $id, 0, false, MUST_EXIST); |
62 | $lti = $DB->get_record('lti', array('id' => $cm->instance), '*', MUST_EXIST); | |
dbb0fec9 CS |
63 | } |
64 | ||
a55c3619 EL |
65 | $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST); |
66 | ||
67 | $tool = lti_get_tool_by_url_match($lti->toolurl); | |
ea04a9f9 | 68 | if ($tool) { |
dbb0fec9 CS |
69 | $toolconfig = lti_get_type_config($tool->id); |
70 | } else { | |
c4d80efe | 71 | $toolconfig = array(); |
dbb0fec9 CS |
72 | } |
73 | ||
74 | $PAGE->set_cm($cm, $course); // set's up global $COURSE | |
75 | $context = get_context_instance(CONTEXT_MODULE, $cm->id); | |
76 | $PAGE->set_context($context); | |
77 | ||
78 | $url = new moodle_url('/mod/lti/view.php', array('id'=>$cm->id)); | |
79 | $PAGE->set_url($url); | |
80 | ||
a55c3619 | 81 | $launchcontainer = lti_get_launch_container($lti, $toolconfig); |
cca9d3f7 | 82 | |
ea04a9f9 | 83 | if ($launchcontainer == LTI_LAUNCH_CONTAINER_EMBED_NO_BLOCKS) { |
dbb0fec9 CS |
84 | $PAGE->set_pagelayout('frametop'); //Most frametops don't include footer, and pre-post blocks |
85 | $PAGE->blocks->show_only_fake_blocks(); //Disable blocks for layouts which do include pre-post blocks | |
ea04a9f9 | 86 | } else if ($launchcontainer == LTI_LAUNCH_CONTAINER_REPLACE_MOODLE_WINDOW) { |
cca9d3f7 | 87 | redirect('launch.php?id=' . $cm->id); |
dbb0fec9 CS |
88 | } else { |
89 | $PAGE->set_pagelayout('incourse'); | |
90 | } | |
91 | ||
92 | require_login($course); | |
93 | ||
a55c3619 | 94 | add_to_log($course->id, "lti", "view", "view.php?id=$cm->id", "$lti->id"); |
dbb0fec9 | 95 | |
a55c3619 | 96 | $pagetitle = strip_tags($course->shortname.': '.format_string($lti->name)); |
dbb0fec9 CS |
97 | $PAGE->set_title($pagetitle); |
98 | $PAGE->set_heading($course->fullname); | |
99 | ||
100 | /// Print the page header | |
101 | echo $OUTPUT->header(); | |
102 | ||
a55c3619 | 103 | if ($lti->showtitle) { |
dbb0fec9 | 104 | /// Print the main part of the page |
a55c3619 | 105 | echo $OUTPUT->heading(format_string($lti->name)); |
dbb0fec9 CS |
106 | } |
107 | ||
a55c3619 EL |
108 | if ($lti->showdescription && $lti->intro) { |
109 | echo $OUTPUT->box($lti->intro, 'generalbox description', 'intro'); | |
dbb0fec9 CS |
110 | } |
111 | ||
dbb0fec9 CS |
112 | if ( $launchcontainer == LTI_LAUNCH_CONTAINER_WINDOW ) { |
113 | echo "<script language=\"javascript\">//<![CDATA[\n"; | |
114 | echo "window.open('launch.php?id=".$cm->id."','lti');"; | |
115 | echo "//]]\n"; | |
116 | echo "</script>\n"; | |
117 | echo "<p>".get_string("basiclti_in_new_window", "lti")."</p>\n"; | |
118 | } else { | |
119 | // Request the launch content with an object tag | |
cca9d3f7 | 120 | echo '<object id="contentframe" height="600px" width="100%" type="text/html" data="launch.php?id='.$cm->id.'"></object>'; |
e27cb316 | 121 | |
dbb0fec9 CS |
122 | //Output script to make the object tag be as large as possible |
123 | $resize = <<<'SCRIPT' | |
124 | <script type='text/javascript'> | |
125 | //<![CDATA[ | |
126 | (function(){ | |
127 | //Take scrollbars off the outer document to prevent double scroll bar effect | |
128 | document.body.style.overflow = 'hidden'; | |
129 | ||
130 | var dom = YAHOO.util.Dom; | |
131 | var frame = document.getElementById('contentframe'); | |
e27cb316 | 132 | |
a390d453 | 133 | var padding = 15; //The bottom of the iframe wasn't visible on some themes. Probably because of border widths, etc. |
dbb0fec9 CS |
134 | |
135 | var lastHeight; | |
136 | ||
137 | var resize = function(){ | |
138 | var viewportHeight = dom.getViewportHeight(); | |
139 | ||
140 | if(lastHeight !== Math.min(dom.getDocumentHeight(), viewportHeight)){ | |
e27cb316 | 141 | |
a390d453 | 142 | frame.style.height = viewportHeight - dom.getY(frame) - padding + 'px'; |
dbb0fec9 CS |
143 | |
144 | lastHeight = Math.min(dom.getDocumentHeight(), dom.getViewportHeight()); | |
145 | } | |
146 | }; | |
147 | ||
148 | resize(); | |
149 | ||
150 | setInterval(resize, 250); | |
151 | })(); | |
152 | //]] | |
153 | </script> | |
154 | SCRIPT; | |
e27cb316 | 155 | |
dbb0fec9 CS |
156 | echo $resize; |
157 | } | |
158 | ||
159 | ||
160 | /// Finish the page | |
161 | echo $OUTPUT->footer(); |