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