First step to SCORM2004, new communication subsystem
[moodle.git] / mod / scorm / playscorm.php
1 <?PHP  // $Id$
3 /// This page prints a particular instance of scorm
4 /// (Replace scorm with the name of your module)
6     require_once("../../config.php");
7     require_once("lib.php");
9     optional_variable($id);    // Course Module ID, or
10     optional_variable($a);     // scorm ID
11     optional_variable($frameset, "");
13     if ($id) {
14         if (! $cm = get_record("course_modules", "id", $id)) {
15             error("Course Module ID was incorrect");
16         }
17     
18         if (! $course = get_record("course", "id", $cm->course)) {
19             error("Course is misconfigured");
20         }
21     
22         if (! $scorm = get_record("scorm", "id", $cm->instance)) {
23             error("Course module is incorrect");
24         }
26     } else {
27         if (! $scorm = get_record("scorm", "id", $a)) {
28             error("Course module is incorrect");
29         }
30         if (! $course = get_record("course", "id", $scorm->course)) {
31             error("Course is misconfigured");
32         }
33         if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $course->id)) {
34             error("Course Module ID was incorrect");
35         }
36     }
38     require_login($course->id, false, $cm);
40     
41     $strscorms = get_string("modulenameplural", "scorm");
42     $strscorm  = get_string("modulename", "scorm");
43         
44     if ($course->category) {
45         $navigation = "<a target=\"{$CFG->framename}\" href=\"../../course/view.php?id=$course->id\">$course->shortname</a> ->
46                        <a target=\"{$CFG->framename}\" href=\"index.php?id=$course->id\">$strscorms</a> ->";
47     } else {
48         $navigation = "<a target=\"{$CFG->framename}\" href=\"index.php?id=$course->id\">$strscorms</a> ->";
49     }
51     $pagetitle = strip_tags("$course->shortname: $scorm->name");
53     if (!$cm->visible and !isteacher($course->id)) {
54         print_header($pagetitle, "$course->fullname", "$navigation $scorm->name", "", "", true, 
55                      update_module_button($cm->id, $course->id, $strscorm), navmenu($course, $cm));
56         notice(get_string("activityiscurrentlyhidden"));
57     }
58     
59     //
60     // Checkin script parameters
61     //
62     $mode = '';
63     $scoid='';
64     $currentorg='';
65     $modestring = '';
66     $scoidstring = '';
67     $currentorgstring = '';
68     if (($scorm->popup == "") && ($frameset == "top")) {
69         if (!empty($_GET["mode"])) {
70             $mode = $_GET["mode"];
71             $modestring = '&mode='.$mode;
72         }
73         if (!empty($_GET["scoid"])) {
74             $scoid = $_GET["scoid"];
75             $scoidstring = '&scoid='.$scoid;
76         }
77         if (!empty($_GET['currentorg'])) {
78             $currentorg = $_GET['currentorg'];
79             $currentorgstring = '&currentorg='.$currentorg;
80         }
81     } else {
82         if (!empty($_POST["mode"])) {
83             $mode = $_POST["mode"];
84             $modestring = '&mode='.$mode;
85         }
86         if (!empty($_POST["scoid"])) {
87             $scoid = $_POST["scoid"];
88             $scoidstring = '&scoid='.$scoid;
89         }
90         if (!empty($_POST['currentorg'])) {
91             $currentorg = $_POST['currentorg'];
92             $currentorgstring = '&currentorg='.$currentorg;
93         }
94     }
95     
96     if (($frameset == "top") || ($scorm->popup != "")) {
97         add_to_log($course->id, "scorm", "view", "playscorm.php?id=$cm->id", "$scorm->id");
98         //
99         // Print the page header
100         //
101         $bodyscripts = "";
102         if ($scorm->popup != "") {
103             $bodyscripts = "onUnload='SCOFinish(); closeMain();' ";
104         }
105         print_header($pagetitle, "$course->fullname",
106                 "$navigation <a target=\"{$CFG->framename}\" href=\"view.php?id=$cm->id\">$scorm->name</a>",
107                 "", "", true, update_module_button($cm->id, $course->id, $strscorm), "", "", $bodyscripts);
108         echo "<table width=\"100%\">\n    <tr><td align=\"center\">".text_to_html($scorm->summary, true, false)."</td>\n";
109         if ($mode == "browse")
110             echo "<td align=\"right\" width=\"10%\" nowrap>".get_string("browsemode","scorm")."</td>\n";
111         echo "     </tr>\n</table>\n";
112         
113         if ($scorm->popup != "") {
114             echo "<script language=\"JavaScript\" type=\"text/javascript\" src=\"request.js\"></script>\n";
115             echo "<script language=\"JavaScript\" type=\"text/javascript\" src=\"api.php?id=$cm->id\"></script>\n";
116         ?>
117             <br />
118             <script language="Javascript">
119             <!--
120                 function playSCO(scoid) {
121                     document.navform.scoid.value=scoid;
122                     document.navform.submit();
123                 }
124                 
125                 function expandCollide(which,list) {
126                     var nn=document.ids?true:false
127                     var w3c=document.getElementById?true:false
128                     var beg=nn?"document.ids.":w3c?"document.getElementById(":"document.all.";
129                     var mid=w3c?").style":".style";
130         
131                     if (eval(beg+list+mid+".display") != "none") {
132                         which.src = "pix/plus.gif";
133                         eval(beg+list+mid+".display='none';");
134                     } else {
135                         which.src = "pix/minus.gif";
136                         eval(beg+list+mid+".display='block';");
137                     }
138         
139                 }
140             -->
141             </script>
142             <style type="text/css">
143                 .scormlist { list-style-type:none; }
144             </style>
145         <?php
146             print_simple_box_start("CENTER");
147             echo "<table>\n";
148             echo "  <tr><th>".get_string("coursestruct","scorm")."</th></tr>\n";
149             echo "  <tr><td nowrap>\n<ul class=\"scormlist\">\n";
150             $incomplete = false;
151             if ($scoes = get_records_select("scorm_scoes","scorm='$scorm->id' AND organization='$currentorg' order by id ASC")){
152                 $level=0;
153                 $sublist=0;
154                 $parents[$level]="/";
155                 foreach ($scoes as $sco) {
156                     if ($parents[$level]!=$sco->parent) {
157                         if ($level>0 && $parents[$level-1]==$sco->parent) {
158                             echo "  </ul></li>\n";
159                             $level--;
160                         } else {
161                             $i = $level;
162                             $closelist = "";
163                             while (($i > 0) && ($parents[$level] != $sco->parent)) {
164                                 $closelist .= "  </ul></li>\n";
165                                 $i--;
166                             }
167                             if (($i == 0) && ($sco->parent != $currentorg)) {
168                                 echo "  <li><ul id='".$sublist."' class=\"scormlist\"'>\n";
169                                 $level++;
170                             } else {
171                                 echo $closelist;
172                                 $level = $i;
173                             }
174                             $parents[$level]=$sco->parent;
175                         }
176                     }
177                     echo "    <li>\n";
178                     $nextsco = next($scoes);
179                     if (($nextsco !== false) && ($sco->parent != $nextsco->parent) && (($level==0) || (($level>0) && ($nextsco->parent == $sco->identifier)))) {
180                         $sublist++;
181                         echo "      <img src=\"pix/minus.gif\" onClick='expandCollide(this,".$sublist.");'/>\n";
182                     } else {
183                         echo "      <img src=\"pix/spacer.gif\" />\n";
184                     }
185                     
186                     if ($sco->launch) {
187                         $startbold = '';
188                         $endbold = '';
189                         if ($sco->id == $scoid) {
190                             $startbold = '-> <b>';
191                             $endbold = '</b> <-';
192                         }
193                         if (($scoid == "") && ($mode != "normal")) {
194                             $scoid = $sco->id;
195                             $startbold = '-> <b>';
196                             $endbold = '</b> <-';
197                         }
198                         $score = "";
199                         if ($sco_user=get_record("scorm_sco_users","scoid",$sco->id,"userid",$USER->id)) {
200                             if ( $sco_user->cmi_core_lesson_status == "") {
201                                 $sco_user->cmi_core_lesson_status = "not attempted";
202                             }
203                             echo "      <img src=\"pix/".scorm_remove_spaces($sco_user->cmi_core_lesson_status).".gif\" alt=\"".get_string(scorm_remove_spaces($sco_user->cmi_core_lesson_status),"scorm")."\" title=\"".get_string(scorm_remove_spaces($sco_user->cmi_core_lesson_status),"scorm")."\" />\n";
204                             if (($sco_user->cmi_core_lesson_status == "not attempted") || ($sco_user->cmi_core_lesson_status == "incomplete")) {
205                                 if ($scoid == "") {
206                                     $incomplete = true;
207                                     $scoid = $sco->id;
208                                     $startbold = '-> <b>';
209                                     $endbold = '</b> <-';
210                                 }
211                             }
212                             if ($sco_user->cmi_core_score_raw > 0) {
213                                 $score = "(".get_string("score","scorm").":&nbsp;".$sco_user->cmi_core_score_raw.")";
214                             }
215                         } else {
216                             if ($sco->type == 'sco') {
217                                 echo "      <img src=\"pix/notattempted.gif\" alt=\"".get_string("notattempted","scorm")."\" />";
218                                 $incomplete = true;
219                             } else {
220                                 echo "      <img src=\"pix/asset.gif\" alt=\"".get_string("asset","scorm")."\" />";
221                             }
222                         }
223                         echo "      &nbsp;$startbold<a href=\"javascript:playSCO(".$sco->id.");\">$sco->title</a> $score$endbold\n    </li>\n";
224                     } else {
225                         echo "      &nbsp;$sco->title\n    </li>\n";
226                     }
227                 }
228                 for ($i=0;$i<$level;$i++){
229                     echo "  </ul></li>\n";
230                 }
231             }
232             echo "</ul></td></tr>\n";
233             echo "</table>\n";
234             print_simple_box_end();
235             
236         }
237             
238         echo "<table width=\"100%\">\n    <tr>\n";
239         echo "          <td align=\"center\" nowrap>
240                      <!--<iframe name=\"cmi\" width=\"1\" height=\"1\" src=\"cmi.php?id=$cm->id\" style=\"visibility: hidden\"></iframe> -->
241                      <form name=\"navform\" method=\"POST\" action=\"playscorm.php?id=$cm->id\" target=\"_top\">
242                         <input name=\"scoid\" type=\"hidden\" />
243                         <input name=\"currentorg\" type=\"hidden\" value=\"$currentorg\" />
244                         <input name=\"mode\" type=\"hidden\" value=\"".$mode."\" />
245                         <input name=\"prev\" type=\"button\" value=\"".get_string("prev","scorm")."\" onClick=\"top.changeSco('previous');\" />&nbsp;\n";
246                         
247         if ($scorm->popup == "") {
248             if ($scoes = get_records_select("scorm_scoes","scorm='$scorm->id' AND organization='$currentorg' order by id ASC")){
249                 $level=0;                       
250                 $parents[$level]="/";
251                 foreach ($scoes as $sco) {
252                     if ($parents[$level]!=$sco->parent) {
253                         if ($level>0 && $parents[$level-1]==$sco->parent) {
254                             $level--;
255                         } else {
256                             $i = $level;
257                             while (($i > 0) && ($parents[$level] != $sco->parent)) {
258                                 $i--;
259                             }
260                             if (($i == 0) && ($sco->parent != $currentorg)) {
261                                 $level++;
262                             } else {
263                                 $level = $i;
264                             }
265                             $parents[$level]=$sco->parent;
266                         }
267                     }
268                     $indenting = "";
269                     for ($i=0;$i<$level;$i++) {
270                         $indenting .= "-";
271                     }
272                     $options[$sco->id] = $indenting."&gt; ".$sco->title;
273                 }
274             }
275             choose_from_menu($options, "courseStructure", "", $scoid, "document.navform.scoid.value=document.navform.courseStructure.options[document.navform.courseStructure.selectedIndex].value;document.navform.submit();");
276         }
277         echo "          &nbsp;<input name=\"next\" type=\"button\" value=\"".get_string("next","scorm")."\" onClick=\"top.changeSco('continue')\" />\n";
278         echo "       </form>
279                 </td>\n";
280         
281         echo "</tr>\n</table>\n";
282         if ($scorm->popup == "") {
283             echo "</body>\n</html>\n";
284         } else {
285             print_footer($course);
286         }
287     } else {
288         if ($scorm->popup == "") {
289             // 
290             // Frameset
291             //
292             echo "<html>\n";
293             echo "<head><title>$course->shortname: $scorm->name</title></head>\n";
294             echo "<script language=\"JavaScript\" type=\"text/javascript\" src=\"request.js\"></script>\n";
295             echo "<script language=\"JavaScript\" type=\"text/javascript\" src=\"api.php?id=$cm->id\"></script>\n";
296             echo "<frameset rows=\"$CFG->scorm_framesize,*\" onUnload=\"SCOFinish();\">\n";
297             echo "\t    <frame name=\"navigation\" src=\"playscorm.php?id=$cm->id".$modestring.$currentorgstring.$scoidstring."&frameset=top\">\n";
298             echo "\t    <frame name=\"main\" src=\"loadSCO.php?id=$cm->id$scoidstring\">\n";
299             echo "</frameset>\n";
300             echo "</html>\n";
301         }
302     }
303 ?>