resource.class.php

很棒的在线教学系统

                echo '</div>';

            } else if ($resourcetype == "mediaplayer") {
                echo '<div class="resourcecontent resourcewmv">';
                echo '<object type="video/x-ms-wmv" data="' . $fullurl . '">';
                echo '<param name="controller" value="true" />';
                echo '<param name="autostart" value="true" />';
                echo "<param name=\"src\" value=\"$fullurl\" />";
                echo '<param name="scale" value="noScale" />';
                echo "<a href=\"$fullurl\">$fullurl</a>";
                echo '</object>';
                echo '</div>';

            } else if ($resourcetype == "mpeg") {
                echo '<div class="resourcecontent resourcempeg">';
                echo '<object classid="CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95"
                              codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsm p2inf.cab#Version=5,1,52,701"
                              type="application/x-oleobject">';
                echo "<param name=\"fileName\" value=\"$fullurl\" />";
                echo '<param name="autoStart" value="true" />';
                echo '<param name="animationatStart" value="true" />';
                echo '<param name="transparentatStart" value="true" />';
                echo '<param name="showControls" value="true" />';
                echo '<param name="Volume" value="-450" />';
                echo '<!--[if !IE]>-->';
                echo '<object type="video/mpeg" data="' . $fullurl . '">';
                echo '<param name="controller" value="true" />';
                echo '<param name="autostart" value="true" />';
                echo "<param name=\"src\" value=\"$fullurl\" />";
                echo "<a href=\"$fullurl\">$fullurl</a>";
                echo '<!--<![endif]-->';
                echo '<a href="' . $fullurl . '">' . $fullurl . '</a>';
                echo '<!--[if !IE]>-->';
                echo '</object>';
                echo '<!--<![endif]-->';
                echo '</object>';
                echo '</div>';
            } else if ($resourcetype == "rm") {

                echo '<div class="resourcecontent resourcerm">'; 
                echo '<object classid="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA" width="320" height="240">';
                echo '<param name="src" value="' . $fullurl . '" />';
                echo '<param name="controls" value="All" />';
                echo '<!--[if !IE]>-->';
                echo '<object type="audio/x-pn-realaudio-plugin" data="' . $fullurl . '" width="320" height="240">';
                echo '<param name="controls" value="All" />';
                echo '<a href="' . $fullurl . '">' . $fullurl .'</a>';
                echo '</object>';
                echo '<!--<![endif]-->';
                echo '</object>';
                echo '</div>'; 

            } else if ($resourcetype == "quicktime") {
                echo '<div class="resourcecontent resourceqt">';

                echo '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"';
                echo '        codebase="http://www.apple.com/qtactivex/qtplugin.cab">';
                echo "<param name=\"src\" value=\"$fullurl\" />";
                echo '<param name="autoplay" value="true" />';
                echo '<param name="loop" value="true" />';
                echo '<param name="controller" value="true" />';
                echo '<param name="scale" value="aspect" />';

                echo '<!--[if !IE]>-->';
                echo "<object type=\"video/quicktime\" data=\"$fullurl\">";
                echo '<param name="controller" value="true" />';
                echo '<param name="autoplay" value="true" />';
                echo '<param name="loop" value="true" />';
                echo '<param name="scale" value="aspect" />';
                echo '<!--<![endif]-->';
                echo '<a href="' . $fullurl . '">' . $fullurl . '</a>';
                echo '<!--[if !IE]>-->';
                echo '</object>';
                echo '<!--<![endif]-->';
                echo '</object>';
                echo '</div>';
            }  else if ($resourcetype == "flash") {
                echo '<div class="resourcecontent resourceswf">';
                echo '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000">';
                echo "<param name=\"movie\" value=\"$fullurl\" />";
                echo '<param name="autoplay" value="true" />';
                echo '<param name="loop" value="true" />';
                echo '<param name="controller" value="true" />';
                echo '<param name="scale" value="aspect" />';
                echo '<param name="base" value="." />';
                echo '<!--[if !IE]>-->';
                echo "<object type=\"application/x-shockwave-flash\" data=\"$fullurl\">";
                echo '<param name="controller" value="true" />';
                echo '<param name="autoplay" value="true" />';
                echo '<param name="loop" value="true" />';
                echo '<param name="scale" value="aspect" />';
                echo '<param name="base" value="." />';
                echo '<!--<![endif]-->';
                echo '<a href="' . $fullurl . '">' . $fullurl . '</a>';
                echo '<!--[if !IE]>-->';
                echo '</object>';
                echo '<!--<![endif]-->';
                echo '</object>';
                echo '</div>';

            } elseif ($resourcetype == 'zip') {
                echo '<div class="resourcepdf">';
                echo get_string('clicktoopen', 'resource') . '<a href="' . $fullurl . '">' . format_string($resource->name) . '</a>';
                echo '</div>';

            } elseif ($resourcetype == 'pdf') {
                echo '<div class="resourcepdf">';
                echo '<object data="' . $fullurl . '" type="application/pdf">';
                echo '<param name="src" value="' . $fullurl . '" />';
                echo get_string('clicktoopen', 'resource') . '<a href="' . $fullurl . '">' . format_string($resource->name) . '</a>';
                echo '</object>';
                echo '</div>';
            }

            if (trim($resource->summary)) {
                print_simple_box(format_text($resource->summary, FORMAT_MOODLE, $formatoptions, $course->id), "center");
            }

            if ($inpopup) {
                echo "<div class=\"popupnotice\">(<a href=\"$fullurl\">$strdirectlink</a>)</div>";
                print_footer($course); // MDL-12098
            } else {
                print_spacer(20,20);
                print_footer($course);
            }

        } else {              // Display the resource on it's own
            if (!empty($localpath)) {   // Show a link to help work around browser security
                echo '<div class="mdl-right helplink">';
                link_to_popup_window ('/mod/resource/type/file/localpath.php', get_string('localfile', 'resource'),
                        get_string('localfilehelp','resource'), 400, 500, get_string('localfilehelp', 'resource'));
                echo '</div>';
                echo "<div class=\"popupnotice\">(<a href=\"$fullurl\">$fullurl</a>)</div>";
            }
            redirect($fullurl);
        }

    }


    //backwards compatible with existing resources
    function set_encrypted_parameter() {
        global $CFG;

        if (!empty($this->resource->reference) && file_exists($CFG->dirroot ."/mod/resource/type/file/externserverfile.php")) {
            include $CFG->dirroot ."/mod/resource/type/file/externserverfile.php";
            if (function_exists('extern_server_file')) {
                return extern_server_file($this->resource->reference);
            }
        }
        return md5($_SERVER['REMOTE_ADDR'].$CFG->resource_secretphrase);
    }

    function setup_preprocessing(&$defaults){

        if (isset($defaults['options']) and $defaults['options'] === 'forcedownload') {
            $defaults['forcedownload'] = 1;

        } else if (!isset($defaults['popup'])) {
            // use form defaults

        } else if (!empty($defaults['popup'])) {
            $defaults['windowpopup'] = 1;
            if (array_key_exists('popup', $defaults)) {
                $rawoptions = explode(',', $defaults['popup']);
                foreach ($rawoptions as $rawoption) {
                    $option = explode('=', trim($rawoption));
                    $defaults[$option[0]] = $option[1];
                }
            }
        } else {
            $defaults['windowpopup'] = 0;
        ///set default value of 'keep navigation visible'
            if (array_key_exists('options', $defaults)) {
                if ($defaults['options']=='frame') {
                    $defaults['framepage'] = 1;
                } else if ($defaults['options']=='objectframe') { 
                    $defaults['framepage'] = 2;
                } else {
                    $defaults['framepage'] = 0;
                }
            }
        }
        /// load up any stored parameters
        if (!empty($defaults['alltext'])) {
            $parray = explode(',', $defaults['alltext']);
            $i=0;
            foreach ($parray as $rawpar) {
                list($param, $varname) = explode('=', $rawpar);
                $defaults["parse$i"] = $varname;
                $defaults["parameter$i"] = $param;
                $i++;
            }
        }
    }

    /**
     * TODO document
     */
    function setup_elements(&$mform) {
        global $CFG, $RESOURCE_WINDOW_OPTIONS;

        $this->set_parameters(); // set the parameter array for the form

        $mform->addElement('choosecoursefile', 'reference', get_string('location'));
        $mform->setDefault('reference', $CFG->resource_defaulturl);
        $mform->addRule('name', null, 'required', null, 'client');

        if (!empty($CFG->resource_websearch)) {
            $searchbutton = $mform->addElement('button', 'searchbutton', get_string('searchweb', 'resource').'...');
            $buttonattributes = array('title'=>get_string('searchweb', 'resource'), 'onclick'=>"return window.open('"
                              . "$CFG->resource_websearch', 'websearch', 'menubar=1,location=1,directories=1,toolbar=1,"
                              . "scrollbars,resizable,width=800,height=600');");
            $searchbutton->updateAttributes($buttonattributes);
        }

        if (!empty($CFG->resource_allowlocalfiles)) {
            $lfbutton = $mform->addElement('button', 'localfilesbutton', get_string('localfilechoose', 'resource').'...');
            $options = 'menubar=0,location=0,scrollbars,resizable,width=600,height=400';
            $url = '/mod/resource/type/file/localfile.php?choose=id_reference_value';
            $buttonattributes = array('title'=>get_string('localfilechoose', 'resource'), 'onclick'=>"return openpopup('$url', '"
                              . $lfbutton->getName()."', '$options', 0);");
            $lfbutton->updateAttributes($buttonattributes);
        }

        $mform->addElement('header', 'displaysettings', get_string('display', 'resource'));

        $mform->addElement('checkbox', 'forcedownload', get_string('forcedownload', 'resource'));
        $mform->setHelpButton('forcedownload', array('forcedownload', get_string('forcedownload', 'resource'), 'resource'));
        $mform->disabledIf('forcedownload', 'windowpopup', 'eq', 1);

        $woptions = array(0 => get_string('pagewindow', 'resource'), 1 => get_string('newwindow', 'resource'));
        $mform->addElement('select', 'windowpopup', get_string('display', 'resource'), $woptions);
        $mform->setDefault('windowpopup', !empty($CFG->resource_popup));
        $mform->disabledIf('windowpopup', 'forcedownload', 'checked');

        $navoptions = array(0 => get_string('keepnavigationvisibleno','resource'), 1 => get_string('keepnavigationvisibleyesframe','resource'), 2 => get_string('keepnavigationvisibleyesobject','resource'));
        $mform->addElement('select', 'framepage', get_string('keepnavigationvisible', 'resource'), $navoptions);
        
        $mform->setHelpButton('framepage', array('frameifpossible', get_string('keepnavigationvisible', 'resource'), 'resource'));
        $mform->setDefault('framepage', 0);
        $mform->disabledIf('framepage', 'windowpopup', 'eq', 1);
        $mform->disabledIf('framepage', 'forcedownload', 'checked');
        $mform->setAdvanced('framepage');

        foreach ($RESOURCE_WINDOW_OPTIONS as $option) {
            if ($option == 'height' or $option == 'width') {
                $mform->addElement('text', $option, get_string('new'.$option, 'resource'), array('size'=>'4'));
                $mform->setDefault($option, $CFG->{'resource_popup'.$option});
                $mform->disabledIf($option, 'windowpopup', 'eq', 0);
            } else {
                $mform->addElement('checkbox', $option, get_string('new'.$option, 'resource'));
                $mform->setDefault($option, $CFG->{'resource_popup'.$option});
                $mform->disabledIf($option, 'windowpopup', 'eq', 0);
            }
            $mform->setAdvanced($option);
        }

        $mform->addElement('header', 'parameters', get_string('parameters', 'resource'));

        $options = array();
        $options['-'] = get_string('chooseparameter', 'resource').'...';
        $optgroup = '';
        foreach ($this->parameters as $pname=>$param) {
            if ($param['value']=='/optgroup') {
                $optgroup = '';
                continue;
            }
            if ($param['value']=='optgroup') {
                $optgroup = $param['langstr'];
                continue;
            }
            $options[$pname] = $optgroup.' - '.$param['langstr'];
        }

        for ($i = 0; $i < $this->maxparameters; $i++) {
            $parametername = "parameter$i";
            $parsename = "parse$i";
            $group = array();
            $group[] =& $mform->createElement('text', $parsename, '', array('size'=>'12'));//TODO: accessiblity
            $group[] =& $mform->createElement('select', $parametername, '', $options);//TODO: accessiblity
            $mform->addGroup($group, 'pargroup'.$i, get_string('variablename', 'resource').'='.get_string('parameter', 'resource'), ' ', false);
            $mform->setAdvanced('pargroup'.$i);

            $mform->setDefault($parametername, '-');
        }
    }

}

?>