mod/lesson/mediafile.php

   1 <?php  // $Id$
   2 /**
   3  * This file plays the mediafile set in lesson settings.
   4  *
   5  * Almost all of this code is from /mod/resource/type/file/resource.class.php so major props for resource
   6  *
   7  *  If there is a way to use the resource class instead of this code, please change to do so
   8  *
   9  *
  10  * @version $Id$
  11  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  12  * @package lesson
  13  **/
  14
  15     require_once('../../config.php');
  16     require_once($CFG->libdir.'/filelib.php');
  17
  18     $id = required_param('id', PARAM_INT);    // Course Module ID
  19     $printclose = optional_param('printclose', 0, PARAM_INT);
  20
  21     if (! $cm = get_coursemodule_from_id('lesson', $id)) {
  22         error('Course Module ID was incorrect');
  23     }
  24
  25     if (! $course = get_record('course', 'id', $cm->course)) {
  26         error('Course is misconfigured');
  27     }
  28
  29     if (! $lesson = get_record('lesson', 'id', $cm->instance)) {
  30         error('Course module is incorrect');
  31     }
  32
  33     require_login($course->id, false, $cm);
  34
  35     // Get the mimetype
  36     $mimetype = mimeinfo("type", $lesson->mediafile);
  37
  38     if (!is_url($lesson->mediafile) and !in_array($mimetype, array('text/plain', 'text/html'))) {
  39         print_header($course->shortname);
  40     }
  41
  42     if ($printclose) {  // this is for framesets
  43         if ($lesson->mediaclose) {
  44             print_header($course->shortname);
  45             echo '<div class="lessonmediafilecontrol">
  46                 <form>
  47                 <div>
  48                 <input type="button" onclick="top.close();" value="'.get_string("closewindow").'" />
  49                 </div>
  50                 </form>
  51                 </div>';
  52             print_footer();
  53         }
  54         exit();
  55     }
  56
  57     if (is_url($lesson->mediafile)) {
  58         $fullurl = $lesson->mediafile;
  59     } else {
  60         // get the full url to the file while taking into consideration $CFG->slasharguments
  61         if ($CFG->slasharguments) {
  62             $relativeurl = "/file.php/{$course->id}/{$lesson->mediafile}";
  63         } else {
  64             $relativeurl = "/file.php?file=/{$course->id}/{$lesson->mediafile}";
  65         }
  66         $fullurl = "$CFG->wwwroot$relativeurl";
  67     }
  68
  69     // find the correct type and print it out
  70     if ($mimetype == "audio/mp3") {    // It's an MP3 audio file
  71
  72         if (!empty($THEME->resource_mp3player_colors)) {
  73             $c = $THEME->resource_mp3player_colors;   // You can set this up in your theme/xxx/config.php
  74         } else {
  75             $c = 'bgColour=000000&btnColour=ffffff&btnBorderColour=cccccc&iconColour=000000&'.
  76                  'iconOverColour=00cc00&trackColour=cccccc&handleColour=ffffff&loaderColour=ffffff&'.
  77                  'font=Arial&fontColour=3333FF&buffer=10&waitForPlay=no&autoPlay=yes';
  78         }
  79         $c .= '&volText='.get_string('vol', 'resource').'&panText='.get_string('pan','resource');
  80         $c = htmlentities($c);
  81         echo '<div class="mp3player" class="lessonmediafilecontrol">';
  82         echo '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"';
  83         echo '        codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" ';
  84         echo '        width="600" height="70" id="mp3player" align="">';
  85         echo '<param name="movie" value="'.$CFG->wwwroot.'/lib/mp3player/mp3player.swf?src='.$fullurl.'">';
  86         echo '<param name="quality" value="high">';
  87         echo '<param name="bgcolor" value="#333333">';
  88         echo '<param name="flashvars" value="'.$c.'&amp;" />';
  89         echo '<embed src="'.$CFG->wwwroot.'/lib/mp3player/mp3player.swf?src='.$fullurl.'" ';
  90         echo ' quality="high" bgcolor="#333333" width="600" height="70" name="mp3player" ';
  91         echo ' type="application/x-shockwave-flash" ';
  92         echo ' flashvars="'.$c.'&amp;" ';
  93         echo ' pluginspage="http://www.macromedia.com/go/getflashplayer">';
  94         echo '</embed>';
  95         echo '</object>';
  96         echo '</div>';
  97
  98     } else if (substr($mimetype, 0, 10) == "video/x-ms") {   // It's a Media Player file
  99
 100         echo "<div class=\"lessonmediafilecontrol\"><p>";
 101         echo '<object classid="CLSID:22D6f312-B0F6-11D0-94AB-0080C74C7E95"';
 102         echo '        codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701" ';
 103         echo '        standby="Loading Microsoft(R) Windows(R) Media Player components..." ';
 104         echo '        id="msplayer" align="" type="application/x-oleobject">';
 105         echo "<param name=\"Filename\" value=\"$fullurl\">";
 106         echo '<param name="ShowControls" value="true" />';
 107         echo '<param name="AutoRewind" value="true" />';
 108         echo '<param name="AutoStart" value="true" />';
 109         echo '<param name="Autosize" value="true" />';
 110         echo '<param name="EnableContextMenu" value="true" />';
 111         echo '<param name="TransparentAtStart" value="false" />';
 112         echo '<param name="AnimationAtStart" value="false" />';
 113         echo '<param name="ShowGotoBar" value="false" />';
 114         echo '<param name="EnableFullScreenControls" value="true" />';
 115         echo "\n<embed src=\"$fullurl\" name=\"msplayer\" type=\"$mimetype\" ";
 116         echo ' ShowControls="1" AutoRewind="1" AutoStart="1" Autosize="0" EnableContextMenu="1"';
 117         echo ' TransparentAtStart="0" AnimationAtStart="0" ShowGotoBar="0" EnableFullScreenControls="1"';
 118         echo ' pluginspage="http://www.microsoft.com/Windows/Downloads/Contents/Products/MediaPlayer/">';
 119         echo '</embed>';
 120         echo '</object>';
 121         echo "</p></div>";
 122
 123     } else if ($mimetype == "video/quicktime") {   // It's a Quicktime file
 124
 125         echo "<div class=\"lessonmediafilecontrol\"><p>";
 126         echo '<object classid="CLSID:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"';
 127         echo '        codebase="http://www.apple.com/qtactivex/qtplugin.cab" ';
 128         echo '        height="450" width="600"';
 129         echo '        id="quicktime" align="" type="application/x-oleobject">';
 130         echo "<param name=\"src\" value=\"$fullurl\" />";
 131         echo '<param name="autoplay" value="true" />';
 132         echo '<param name="loop" value="true" />';
 133         echo '<param name="controller" value="true" />';
 134         echo '<param name="scale" value="aspect" />';
 135         echo "\n<embed src=\"$fullurl\" name=\"quicktime\" type=\"$mimetype\" ";
 136         echo ' height="450" width="600" scale="aspect"';
 137         echo ' autoplay="true" controller="true" loop="true" ';
 138         echo ' pluginspage="http://quicktime.apple.com/">';
 139         echo '</embed>';
 140         echo '</object>';
 141         echo "</p></div>";
 142
 143     //} else if ($mimetype == "application/x-shockwave-flash") {   // It's a flash file
 144
 145     //    error('Flash is not supported yet');
 146
 147     } else if ($mimetype == "audio/x-pn-realaudio") {   // It's a realmedia file
 148
 149         echo '<object id="rvocx" classid="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA" width="600" height="50">';
 150         echo "<param name=\"src\" value=\"$fullurl\">";
 151         echo '<param name="console" value="video">';  // not sure what the console param should equal
 152         echo '<param name="controls" value="ControlPanel">';
 153         echo '<param name="autostart" value="true">';
 154         echo '<param name="loop" value="true">';
 155         echo '<embed name="rvocx" src="'.$fullurl.'" height="50" width="600" autostart="true" loop="true" nojava="true" console="video" controls="ControlPanel"></embed>';
 156         echo '<noembed></noembed>';
 157         echo '</object>';
 158
 159     } else if (is_url($lesson->mediafile) or $mimetype == 'text/html' or $mimetype == 'text/plain') {
 160         // might be dangerous to handle all of these in the same fasion.  It is being set by a teacher though.
 161         echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">\n";
 162         echo "<html dir=\"ltr\">\n";
 163         echo '<head>';
 164         echo '<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />';
 165         echo "<title>{$course->shortname}</title></head>\n";
 166         if ($lesson->mediaclose) {
 167             echo "<frameset rows=\"90%,*\">";
 168             echo "<frame src=\"$fullurl\" />";
 169             echo "<frame src=\"mediafile.php?id=$cm->id&amp;printclose=1\" />";
 170             echo "</frameset>";
 171         } else {
 172             echo "<frameset rows=\"100%\">";
 173             echo "<frame src=\"$fullurl\" />";
 174             echo "</frameset>";
 175         }
 176         echo '</html>';
 177         exit();
 178
 179     } else if (in_array($mimetype, array('image/gif','image/jpeg','image/png'))) {  // Image
 180
 181         echo "<div class=\"lessonmediafilecontrol\"><p>";
 182         echo '<img class="lessonimage" src="'.s($fullurl).'" alt="" />';
 183         echo "</p></div>";
 184
 185     } else {  // Default
 186
 187         // Get the file name
 188         $file = pathinfo($lesson->mediafile);
 189         $filename = basename($file['basename'], '.'.$file['extension']);
 190
 191         echo "<div class=\"lessonmediafilecontrol\"><p>";
 192         notify(get_string('clicktodownload', 'lesson'));
 193         echo "<a href=\"$fullurl\">".format_string($filename).'</a>';
 194         echo "</p></div>";
 195
 196     }
 197
 198     function is_url($test_url) {
 199         // the following is barrowed from resource code.  Thanks!
 200         if (strpos($test_url, '://')) {     // eg http:// https:// ftp://  etc
 201             return true;
 202         }
 203         if (strpos($test_url, '/') === 0) { // Starts with slash
 204             return true;
 205         }
 206         return false;
 207     }
 208
 209     if ($lesson->mediaclose) {
 210        echo '<div class="lessonmediafilecontrol">';
 211        close_window_button();
 212        echo '</div>';
 213     }
 214
 215     print_footer();
 216 ?>