From b3c6fa1e922b7c920a9a6e7210f941b0d2da17fe Mon Sep 17 00:00:00 2001
From: gbateson <gbateson>
Date: Tue, 27 Nov 2007 08:46:40 +0000
Subject: [PATCH] MDL-12318 filter/mediaplugins/filter.php can no longer insert
 mediaplayers into javascript, so hotpot module now requires its own filter to
 mimic behavior of multimedia filter in Moodle 1.7

---
 mod/hotpot/lib.php                        |   7 +-
 mod/hotpot/mediaplayers/moodle/filter.php | 258 ++++++++++++++++++++++
 2 files changed, 262 insertions(+), 3 deletions(-)
 create mode 100644 mod/hotpot/mediaplayers/moodle/filter.php

diff --git a/mod/hotpot/lib.php b/mod/hotpot/lib.php
index de00a3ffe7..bc893c1b70 100644
--- a/mod/hotpot/lib.php
+++ b/mod/hotpot/lib.php
@@ -1834,7 +1834,8 @@ class hotpot_xml_quiz extends hotpot_xml_tree {
 
             // make sure the Moodle media plugin is available
             global $CFG;
-            include_once "$CFG->dirroot/filter/mediaplugin/filter.php";
+            //include_once "$CFG->dirroot/filter/mediaplugin/filter.php";
+            include_once "$CFG->dirroot/mod/hotpot/mediaplayers/moodle/filter.php";
 
             // exclude swf files from the filter
             //$CFG->filter_mediaplugin_ignore_swf = true;
@@ -1861,7 +1862,7 @@ class hotpot_xml_quiz extends hotpot_xml_tree {
             $link_url = "/{$tagopen}a{$space}href=$quote($filepath)$quote.*?$tagclose.*?$tagreopen\/A$tagclose/is";
 
             // extract <object> tags
-            preg_match_all("/{$tagopen}object\s.*?{$tagclose}(.*?){$tagreopen}\/object{$tagclose}/is", $this->html, $objects);
+            preg_match_all("/{$tagopen}object\s.*?{$tagclose}(.*?)(?:{$tagreopen}\/object{$tagclose})+/is", $this->html, $objects);
 
             $i_max = count($objects[0]);
             for ($i=0; $i<$i_max; $i++) {
@@ -1880,7 +1881,7 @@ class hotpot_xml_quiz extends hotpot_xml_tree {
                     $url = preg_replace('/^[^?]*\?([^=]+=[^&]*&)*[^=]+=([^&]*)$/', '$2', $url, 1);
                     $link = '<a href="'.$url.'">'.$txt.'</a>';
 
-                    $new_object = mediaplugin_filter($this->filedir, $link);
+                    $new_object = hotpot_mediaplayer_moodle($this, $link);
                     $new_object = str_replace($link, '', $new_object);
                     $new_object = str_replace('&amp;', '&', $new_object);
 
diff --git a/mod/hotpot/mediaplayers/moodle/filter.php b/mod/hotpot/mediaplayers/moodle/filter.php
new file mode 100644
index 0000000000..ab77fb2b66
--- /dev/null
+++ b/mod/hotpot/mediaplayers/moodle/filter.php
@@ -0,0 +1,258 @@
+<?php // $id$
+//////////////////////////////////////////////////////////////
+//  Media plugin filtering
+// 
+//  This filter will replace any links to a media file with 
+//  a media plugin that plays that media inline
+//
+//////////////////////////////////////////////////////////////
+
+/// This is the filtering function itself.  It accepts the 
+/// courseid and the text to be filtered (in HTML form).
+
+function hotpot_mediaplayer_moodle(&$hotpot, $text) {
+    global $CFG, $THEME;
+
+    include $CFG->dirroot.'/filter/mediaplugin/defaultsettings.php';
+
+    if ($CFG->filter_mediaplugin_enable_mp3) {
+        static $c;
+
+        if (empty($c)) {
+            if (!empty($THEME->filter_mediaplugin_colors)) {
+                $c = $THEME->filter_mediaplugin_colors;   // You can set this up in your theme/xxx/config.php
+            } else {
+                $c = 'bgColour=000000&amp;btnColour=ffffff&amp;btnBorderColour=cccccc&amp;iconColour=000000&amp;iconOverColour=00cc00&amp;trackColour=cccccc&amp;handleColour=ffffff&amp;loaderColour=ffffff&amp;waitForPlay=yes&amp;';
+            }
+        }
+        // $c = htmlentities($c);  // Commented out pending bug 5223
+        $search = '/<a(.*?)href=\"([^<]+)\.mp3\"([^>]*)>(.*?)<\/a>/is';
+
+        $replace  = '\\0&nbsp;<object class="mediaplugin mp3" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"';
+        $replace .= ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" ';
+        $replace .= ' width="90" height="15" id="mp3player">';
+        $replace .= " <param name=\"movie\" value=\"$CFG->wwwroot/filter/mediaplugin/mp3player.swf?src=\\2.mp3\" />";
+        $replace .= ' <param name="quality" value="high" />';
+        $replace .= ' <param name="bgcolor" value="#333333" />';
+        $replace .= ' <param name="flashvars" value="'.$c.'" />';
+        $replace .= " <embed src=\"$CFG->wwwroot/filter/mediaplugin/mp3player.swf?src=\\2.mp3\" ";
+        $replace .= "  quality=\"high\" bgcolor=\"#333333\" width=\"90\" height=\"15\" name=\"mp3player\" ";
+        $replace .= ' type="application/x-shockwave-flash" ';
+        $replace .= ' flashvars="'.$c.'" ';
+        $replace .= ' pluginspage="http://www.macromedia.com/go/getflashplayer">';
+        $replace .= '</embed>';
+        $replace .= '</object>&nbsp;';
+    
+        $text = preg_replace($search, $replace, $text);
+    }
+
+    if ($CFG->filter_mediaplugin_enable_swf) {
+        $search = array(
+                '/<a(.*?)href=\"([^<]+)\.swf\?d=([\d]{1,3}%?)x([\d]{1,3}%?)\"([^>]*)>(.*?)<\/a>/is',
+                '/<a(.*?)href=\"([^<]+)\.swf\"([^>]*)>(.*?)<\/a>/is'
+                );
+
+        $replace = array();
+
+        $replace[0]  = '\\0<p class="mediaplugin swf"><object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"';
+        $replace[0] .= ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" ';
+        $replace[0] .= ' width="\\3" height="\\4" id="mp3player">';
+        $replace[0] .= " <param name=\"movie\" value=\"\\2.swf\" />";
+        $replace[0] .= ' <param name="quality" value="high" />';
+        $replace[0] .= ' <param name="AllowScriptAccess" value="never" />';
+        $replace[0] .= " <embed src=\"\\2.swf\" ";
+        $replace[0] .= '  quality="high" width="\\3" height="\\4" name="flashfilter" AllowScriptAccess="never" ';
+        $replace[0] .= ' type="application/x-shockwave-flash" ';
+        $replace[0] .= ' pluginspage="http://www.macromedia.com/go/getflashplayer">';
+        $replace[0] .= '</embed>';
+        $replace[0] .= '</object></p>';
+
+        $replace[1]  = '\\0<p class="mediaplugin swf"><object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"';
+        $replace[1] .= ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" ';
+        $replace[1] .= ' width="400" height="300" id="mp3player">';
+        $replace[1] .= " <param name=\"movie\" value=\"\\2.swf\" />";
+        $replace[1] .= ' <param name="quality" value="high" />';
+        $replace[1] .= ' <param name="AllowScriptAccess" value="never" />';
+        $replace[1] .= " <embed src=\"\\2.swf\" ";
+        $replace[1] .= '  quality="high" width="400" height="300" name="flashfilter" AllowScriptAccess="never" ';
+        $replace[1] .= ' type="application/x-shockwave-flash" ';
+        $replace[1] .= ' pluginspage="http://www.macromedia.com/go/getflashplayer">';
+        $replace[1] .= '</embed>';
+        $replace[1] .= '</object></p>';
+
+        $text = preg_replace($search, $replace, $text);
+
+    }
+
+    if ($CFG->filter_mediaplugin_enable_flv) {
+        $search = '/<a(.*?)href=\"([^<]+)\.flv\"([^>]*)>(.*?)<\/a>/is';
+            
+        $replace  = '\\0&nbsp;<object class="mediaplugin flv" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"';
+        $replace .= ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" ';
+        $replace .= ' width="480" height="360" id="flvplayer">';
+        $replace .= " <param name=\"movie\" value=\"$CFG->wwwroot/filter/mediaplugin/flvplayer.swf?file=\\2.flv\" />";
+        $replace .= ' <param name="quality" value="high" />';
+        $replace .= ' <param name="bgcolor" value="#FFFFFF" />';
+        $replace .= " <embed src=\"$CFG->wwwroot/filter/mediaplugin/flvplayer.swf?file=\\2.flv\" ";
+        $replace .= "  quality=\"high\" bgcolor=\"#FFFFFF\" width=\"480\" height=\"360\" name=\"flvplayer\" ";
+        $replace .= ' type="application/x-shockwave-flash" ';
+        $replace .= ' pluginspage="http://www.macromedia.com/go/getflashplayer">';
+        $replace .= '</embed>';
+        $replace .= '</object>&nbsp;';
+    
+        $text = preg_replace($search, $replace, $text);
+    }
+
+    if ($CFG->filter_mediaplugin_enable_mov) {
+        $search = '/<a(.*?)href=\"([^<]+)\.mov\"([^>]*)>(.*?)<\/a>/is';
+
+        $replace  = '\\0<p class="mediaplugin mov"><object classid="CLSID:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"';
+        $replace .= '        codebase="http://www.apple.com/qtactivex/qtplugin.cab" ';
+        $replace .= '        height="300" width="400"';
+        $replace .= '        id="quicktime" type="application/x-oleobject">';
+        $replace .= "<param name=\"src\" value=\"\\2.mov\" />";
+        $replace .= '<param name="autoplay" value="false" />';
+        $replace .= '<param name="loop" value="true" />';
+        $replace .= '<param name="controller" value="true" />';
+        $replace .= '<param name="scale" value="aspect" />';
+        $replace .= "\n<embed src=\"\\2.mov\" name=\"quicktime\" type=\"video/quicktime\" ";
+        $replace .= ' height="300" width="400" scale="aspect" ';
+        $replace .= ' autoplay="false" controller="true" loop="true" ';
+        $replace .= ' pluginspage="http://quicktime.apple.com/">';
+        $replace .= '</embed>';
+        $replace .= '</object></p>';
+
+        $text = preg_replace($search, $replace, $text);
+    }
+
+    if ($CFG->filter_mediaplugin_enable_wmv) {
+        $search = '/<a(.*?)href=\"([^<]+)\.wmv\"([^>]*)>(.*?)<\/a>/is';
+
+        $replace  = '\\0<p class="mediaplugin wmv"><object classid="CLSID:22D6f312-B0F6-11D0-94AB-0080C74C7E95"';
+        $replace .= ' codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701" ';
+        $replace .= ' standby="Loading Microsoft® Windows® Media Player components..." ';
+        $replace .= ' id="msplayer" type="application/x-oleobject">';
+        $replace .= "<param name=\"Filename\" value=\"\\2.wmv\" />";
+        $replace .= '<param name="ShowControls" value="true" />';
+        $replace .= '<param name="AutoRewind" value="true" />';
+        $replace .= '<param name="AutoStart" value="false" />';
+        $replace .= '<param name="Autosize" value="true" />';
+        $replace .= '<param name="EnableContextMenu" value="true" />';
+        $replace .= '<param name="TransparentAtStart" value="false" />';
+        $replace .= '<param name="AnimationAtStart" value="false" />';
+        $replace .= '<param name="ShowGotoBar" value="false" />';
+        $replace .= '<param name="EnableFullScreenControls" value="true" />';
+        $replace .= "\n<embed src=\"\\2.wmv\" name=\"msplayer\" type=\"video/x-ms\" ";
+        $replace .= ' ShowControls="1" AutoRewind="1" AutoStart="0" Autosize="0" EnableContextMenu="1"';
+        $replace .= ' TransparentAtStart="0" AnimationAtStart="0" ShowGotoBar="0" EnableFullScreenControls="1"';
+        $replace .= ' pluginspage="http://www.microsoft.com/Windows/Downloads/Contents/Products/MediaPlayer/">';
+        $replace .= '</embed>';
+        $replace .= '</object></p>';
+
+        $text = preg_replace($search, $replace, $text);
+    }
+
+    if ($CFG->filter_mediaplugin_enable_mpg) {
+        $search = '/<a(.*?)href=\"([^<]+)\.(mpe?g)\"([^>]*)>(.*?)<\/a>/is';
+
+        $replace = '\\0<p class="mediaplugin mpg"><object width="240" height="180">';
+        $replace .= '<param name="src" value="\\2.\\3" />';
+        $replace .= '<param name="controller" value="true" />';
+        $replace .= '<param name="autoplay" value="false" />';
+        $replace .= '<embed src="\\2.\\3" width="240" height="180" controller="true" autoplay="false"> </embed>';
+        $replace .= '</object></p>';
+        
+        $text = preg_replace($search, $replace, $text);
+    }
+
+    if ($CFG->filter_mediaplugin_enable_avi) {
+        $search = '/<a(.*?)href=\"([^<]+)\.avi\"([^>]*)>(.*?)<\/a>/is';
+
+        $replace = '\\0<p class="mediaplugin avi"><object width="240" height="180">';
+        $replace .= '<param name="src" value="\\2.avi" />';
+        $replace .= '<param name="controller" value="true" />';
+        $replace .= '<param name="autoplay" value="false" />';
+        $replace .= '<embed src="\\2.avi" width="240" height="180" controller="true" autoplay="false"> </embed>';
+        $replace .= '</object></p>';
+    
+        $text = preg_replace($search, $replace, $text);
+    }
+    
+    if ($CFG->filter_mediaplugin_enable_ram) {
+        $search = '/<a(.*?)href=\"([^<]+)\.ram\"([^>]*)>(.*?)<\/a>/is';
+
+        $replace  = '\\0<p class="mediaplugin ram"><object width="240" height="180">';
+        $replace .= '<param name="src" value="\\2.ram" />';
+        $replace .= '<param name="autostart" value="true" />';
+        $replace .= '<param name="controls" value="imagewindow" />';
+        $replace .= '<param name="console" value="video" />';
+        $replace .= '<param name="loop" value="true" />';
+        $replace .= '<embed src="\\2.ram" width=240" height="180" loop="true" type="audio/x-pn-realaudio-plugin" controls="imagewindow" console="video" autostart="true">';
+        $replace .= '</embed>';
+        $replace .= '</object><br />';
+
+        $replace .= '<object width="320" height="30">';
+        $replace .= '<param name="src" value="\\2.ram" />';
+        $replace .= '<param name="autostart" value="true" />';
+        $replace .= '<param name="controls" value="ControlPanel" />';
+        $replace .= '<param name="console" value="video" />';
+        $replace .= '<embed src="\\2.ram" width="240" height="30" controls="ControlPanel" type="audio/x-pn-realaudio-plugin" console="video" autostart="true">';
+        $replace .= '</embed>';
+        $replace .= '</object></p>';
+
+        $text = preg_replace($search, $replace, $text);
+    }
+     
+    if ($CFG->filter_mediaplugin_enable_rpm) {
+        $search = '/<a(.*?)href=\"([^<]+)\.rpm\"([^>]*)>(.*?)<\/a>/is';
+
+        $replace  = '\\0<p class="mediaplugin rpm"><object width="240" height="180">';
+        $replace .= '<param name="src" value="\\2.rpm" />';
+        $replace .= '<param name="autostart" value="true" />';
+        $replace .= '<param name="controls" value="imagewindow" />';
+        $replace .= '<param name="console" value="video" />';
+        $replace .= '<param name="loop" value="true" />';
+        $replace .= '<embed src="\\2.rpm" width=240" height="180" loop="true" type="audio/x-pn-realaudio-plugin" controls="imagewindow" console="video" autostart="true">';
+        $replace .= '</embed>';
+        $replace .= '</object><br />';
+
+        $replace .= '<object width="320" height="30">';
+        $replace .= '<param name="src" value="\\2.rpm" />';
+        $replace .= '<param name="autostart" value="true" />';
+        $replace .= '<param name="controls" value="ControlPanel" />';
+        $replace .= '<param name="console" value="video" />';
+        $replace .= '<embed src="\\2.rpm" width="240" height="30" controls="ControlPanel" type="audio/x-pn-realaudio-plugin" console="video" autostart="true">';
+        $replace .= '</embed>';
+        $replace .= '</object></p>';
+
+        $text = preg_replace($search, $replace, $text);
+    }
+    
+    if ($CFG->filter_mediaplugin_enable_rm) {
+        $search = '/<a(.*?)href=\"([^<]+)\.rm\"([^>]*)>(.*?)<\/a>/is';
+
+        $replace  = '\\0<p class="mediaplugin rm"><object width="240" height="180">';
+        $replace .= '<param name="src" value="\\2.rm" />';
+        $replace .= '<param name="autostart" value="true" />';
+        $replace .= '<param name="controls" value="imagewindow" />';
+        $replace .= '<param name="console" value="video" />';
+        $replace .= '<param name="loop" value="true" />';
+        $replace .= '<embed src="\\2.rm" width=240" height="180" loop="true" type="audio/x-pn-realaudio-plugin" controls="imagewindow" console="video" autostart="true">';
+        $replace .= '</embed>';
+        $replace .= '</object><br />';
+
+        $replace .= '<object width="320" height="30">';
+        $replace .= '<param name="src" value="\\2.rm" />';
+        $replace .= '<param name="autostart" value="true" />';
+        $replace .= '<param name="controls" value="ControlPanel" />';
+        $replace .= '<param name="console" value="video" />';
+        $replace .= '<embed src="\\2.rm" width="240" height="30" controls="ControlPanel" type="audio/x-pn-realaudio-plugin" console="video" autostart="true">';
+        $replace .= '</embed>';
+        $replace .= '</object></p>';
+
+        $text = preg_replace($search, $replace, $text);
+    }
+
+    return $text;
+}
+?>
\ No newline at end of file
-- 
2.39.5