resource.class.php

很棒的在线教学系统

    $mimetype = mimeinfo("type", $resource->reference);
    $pagetitle = strip_tags($course->shortname.': '.format_string($resource->name));

    $formatoptions = new object();
    $formatoptions->noclean = true;

    if ($resource->options != "frame") {
        if (in_array($mimetype, array('image/gif','image/jpeg','image/png'))) {  // It's an image
            $resourcetype = "image";
            $embedded = true;

        } else if ($mimetype == "audio/mp3") {    // It's an MP3 audio file
            $resourcetype = "mp3";
            $embedded = true;

        } else if (substr($mimetype, 0, 10) == "video/x-ms") {   // It's a Media Player file
            $resourcetype = "mediaplayer";
            $embedded = true;

        } else if ($mimetype == "video/quicktime") {   // It's a Quicktime file
            $resourcetype = "quicktime";
            $embedded = true;

        } else if ($mimetype == "text/html") {    // It's a web page
            $resourcetype = "html";
        }
    }
    $navigation = build_navigation($this->navlinks, $cm);

/// Form the parse string
    if (!empty($resource->alltext)) {
        $querys = array();
        $parray = explode(',', $resource->alltext);
        foreach ($parray as $fieldstring) {
            $field = explode('=', $fieldstring);
            $querys[] = urlencode($field[1]).'='.urlencode($this->parameters[$field[0]]['value']);
        }
        $querystring = implode('&', $querys);
    }


    /// Set up some variables

    $inpopup = optional_param('inpopup', 0, PARAM_BOOL);

   $fullurl =  $resource->reference. '&HIVE_SESSION='.$SESSION->HIVE_SESSION;
    if (!empty($querystring)) {
        $urlpieces = parse_url($resource->reference);
        if (empty($urlpieces['query'])) {
            $fullurl .= '?'.$querystring;
        } else {
            $fullurl .= '&'.$querystring;
        }
    }

    /// MW check that the HIVE_SESSION is there
    if (empty($SESSION->HIVE_SESSION)) {
        if ($inpopup) {
            print_header($pagetitle, $course->fullname);
        } else {
            print_header($pagetitle, $course->fullname, $navigation, "", "", true,
                    update_module_button($cm->id, $course->id, $this->strresource), navmenu($course, $cm));
        }
        notify('You do not have access to HarvestRoad Hive. This resource is unavailable.');
        if ($inpopup) {
            close_window_button();
        }
        print_footer('none');
        die;
    }
    /// MW END


    /// Print a notice and redirect if we are trying to access a file on a local file system
    /// and the config setting has been disabled
    if (!$CFG->resource_allowlocalfiles and (strpos($resource->reference, RESOURCE_LOCALPATH) === 0)) {
        if ($inpopup) {
            print_header($pagetitle, $course->fullname);
        } else {
            print_header($pagetitle, $course->fullname, $navigation, "", "", true,
                    update_module_button($cm->id, $course->id, $this->strresource), navmenu($course, $cm));
        }
        notify(get_string('notallowedlocalfileaccess', 'resource', ''));
        if ($inpopup) {
            close_window_button();
        }
        print_footer('none');
        die;
    }


    /// Check whether this is supposed to be a popup, but was called directly

    if ($resource->popup and !$inpopup) {    /// Make a page and a pop-up window
        print_header($pagetitle, $course->fullname, $navigation, "", "", true,
                update_module_button($cm->id, $course->id, $this->strresource), navmenu($course, $cm));


        echo "\n<script type=\"text/javascript\">";
        echo "\n<!--\n";
        echo "openpopup('/mod/resource/view.php?inpopup=true&id={$cm->id}','resource{$resource->id}','{$resource->popup}');\n";
        echo "\n-->\n";
        echo '</script>';

        if (trim(strip_tags($resource->summary))) {
            $formatoptions->noclean = true;
            print_simple_box(format_text($resource->summary, FORMAT_MOODLE, $formatoptions), "center");
        }

        $link = "<a href=\"$CFG->wwwroot/mod/resource/view.php?inpopup=true&amp;id={$cm->id}\" target=\"resource{$resource->id}\" onclick=\"return openpopup('/mod/resource/view.php?inpopup=true&amp;id={$cm->id}', 'resource{$resource->id}','{$resource->popup}');\">".format_string($resource->name,true)."</a>";

        echo "<p>&nbsp;</p>";
        echo '<p align="center">';
        print_string('popupresource', 'resource');
        echo '<br />';
        print_string('popupresourcelink', 'resource', $link);
        echo "</p>";

        print_footer($course);
        exit;
    }


    /// Now check whether we need to display a frameset

    $frameset = optional_param('frameset', '', PARAM_ALPHA);
    if (empty($frameset) and !$embedded and !$inpopup and $resource->options == "frame" and empty($USER->screenreader)) {
        echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">\n";
        echo "<html dir=\"ltr\">\n";
        echo '<head>';
        echo '<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />';
        echo "<title>" . format_string($course->shortname) . ": ".strip_tags(format_string($resource->name,true))."</title></head>\n";
        echo "<frameset rows=\"$CFG->resource_framesize,*\">";
        echo "<frame src=\"view.php?id={$cm->id}&amp;type={$resource->type}&amp;frameset=top\" title=\"".get_string('modulename','resource')."\"/>";
        if (!empty($localpath)) {  // Show it like this so we interpose some HTML
            echo "<frame src=\"view.php?id={$cm->id}&amp;type={$resource->type}&amp;inpopup=true\" title=\"".get_string('modulename','resource')."\"/>";
        } else {
            echo "<frame src=\"$fullurl\" title=\"".get_string('modulename','resource')."\"/>";
        }
        echo "</frameset>";
        echo "</html>";
        exit;
    }


    /// We can only get here once per resource, so add an entry to the log

    add_to_log($course->id, "resource", "view", "view.php?id={$cm->id}", $resource->id, $cm->id);


    /// If we are in a frameset, just print the top of it

    if (!empty($frameset) and $frameset == "top") {
        print_header($pagetitle, $course->fullname, $navigation, "", "", true,
                update_module_button($cm->id, $course->id, $this->strresource), navmenu($course, $cm, "parent"));

        echo '<div class="summary">'.format_text($resource->summary, FORMAT_HTML, $formatoptions).'</div>';
        if (!empty($localpath)) {  // Show some help
            echo '<div class="mdl-right helplink">';
            link_to_popup_window ('/mod/resource/type/file/localpath.php', get_string('localfile', 'resource'), get_string('localfilehelp','resource'), 400, 500, get_string('localfilehelp', 'resource'));
            echo '</div>';
        }
        echo '</body></html>';
        exit;
    }


    /// Display the actual resource

    if ($embedded) {       // Display resource embedded in page
        $strdirectlink = get_string("directlink", "resource");

        if ($inpopup) {
            print_header($pagetitle);
        } else {
            print_header($pagetitle, $course->fullname, $navigation, "", "", true,
                    update_module_button($cm->id, $course->id, $this->strresource), navmenu($course, $cm, "self"));

        }

        if ($resourcetype == "image") {
            echo "<center><p>";
            echo "<img title=\"".strip_tags(format_string($resource->name,true))."\" class=\"resourceimage\" src=\"$fullurl\" alt=\"\" />";
            echo "</p></center>";

        } else if ($resourcetype == "mp3") {
            if (!empty($THEME->resource_mp3player_colors)) {
                $c = $THEME->resource_mp3player_colors;   // You can set this up in your theme/xxx/config.php
            } else {
                $c = 'bgColour=000000&btnColour=ffffff&btnBorderColour=cccccc&iconColour=000000&'.
                     'iconOverColour=00cc00&trackColour=cccccc&handleColour=ffffff&loaderColour=ffffff&'.
                     'font=Arial&fontColour=3333FF&buffer=10&waitForPlay=no&autoPlay=yes';
            }
            $c .= '&volText='.get_string('vol', 'resource').'&panText='.get_string('pan','resource');
            $c = htmlentities($c);
            echo '<div class="mp3player" align="center">';
            echo '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"';
            echo '        codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" ';
            echo '        width="600" height="70" id="mp3player" align="">';
            echo '<param name="movie" value="'.$CFG->wwwroot.'/lib/mp3player/mp3player.swf?src='.$fullurl.'">';
            echo '<param name="quality" value="high">';
            echo '<param name="bgcolor" value="#333333">';
            echo '<param name="flashvars" value="'.$c.'&amp;" />';
            echo '<embed src="'.$CFG->wwwroot.'/lib/mp3player/mp3player.swf?src='.$fullurl.'" ';
            echo ' quality="high" bgcolor="#333333" width="600" height="70" name="mp3player" ';
            echo ' type="application/x-shockwave-flash" ';
            echo ' flashvars="'.$c.'&amp;" ';
            echo ' pluginspage="http://www.macromedia.com/go/getflashplayer">';
            echo '</embed>';
            echo '</object>';
            echo '</div>';


        } else if ($resourcetype == "mediaplayer") {
            echo "<center><p>";
            echo '<object classid="CLSID:22D6f312-B0F6-11D0-94AB-0080C74C7E95"';
            echo '        codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701" ';
            echo '        standby="Loading Microsoft锟