function print_header($title, $morenavlinks = NULL, $bodytags = '', $meta = '', $extrabuttons = '')
 {
     global $USER, $CFG;
     $this->init_full();
     $replacements = array('%fullname%' => format_string($this->activityrecord->name));
     foreach ($replacements as $search => $replace) {
         $title = str_replace($search, $replace, $title);
     }
     if (empty($morenavlinks) && $this->user_allowed_editing()) {
         // mmmm, tables
         $buttons = '<table><tr>';
         $buttons .= '<td>' . $extrabuttons . '</td>';
         $buttons .= '<td>' . update_module_button(optional_param('clone', $this->modulerecord->id, PARAM_INT), $this->courserecord->id, get_string('modulename', $this->activityname)) . '</td>';
         if (!empty($CFG->showblocksonmodpages)) {
             $clonething = optional_param('clone', 0, PARAM_INT);
             $clonething = $clonething ? '<input type="hidden" name="clone" value="' . $clonething . '" />' : '';
             $buttons .= '<td><form ' . $CFG->frametarget . ' method="get" action="view.php"><div>' . '<input type="hidden" name="id" value="' . $this->modulerecord->id . '" />' . $clonething . '<input type="hidden" name="edit" value="' . ($this->user_is_editing() ? 'off' : 'on') . '" />' . '<input type="submit" value="' . get_string($this->user_is_editing() ? 'blockseditoff' : 'blocksediton') . '" /></div></form></td>';
         }
         $buttons .= '</tr></table>';
     } else {
         $buttons = $extrabuttons ? $extrabuttons : '&nbsp;';
     }
     if (empty($morenavlinks)) {
         $morenavlinks = array();
     }
     $navigation = build_navigation($morenavlinks, $this->modulerecord);
     print_header($title, $this->courserecord->fullname, $navigation, '', $meta, true, $buttons, navmenu($this->courserecord, $this->modulerecord), false, $bodytags);
 }

 public function print_header($title, $morebreadcrumbs = null, $navigation = '')
 {
     global $USER, $CFG;
     $this->init_full();
     $replacements = array('%fullname%' => format_string($this->activityrecord->name));
     foreach ($replacements as $search => $replace) {
         $title = str_replace($search, $replace, $title);
     }
     if ($this->courserecord->id == SITEID) {
         $breadcrumbs = array();
     } else {
         $breadcrumbs = array($this->courserecord->shortname => $CFG->wwwroot . '/course/view.php?id=' . $this->courserecord->id);
     }
     $breadcrumbs[get_string('modulenameplural', 'game')] = $CFG->wwwroot . '/mod/game/index.php?id=' . $this->courserecord->id;
     $breadcrumbs[format_string($this->activityrecord->name)] = $CFG->wwwroot . '/mod/game/view.php?id=' . $this->modulerecord->id;
     if (!empty($morebreadcrumbs)) {
         $breadcrumbs = array_merge($breadcrumbs, $morebreadcrumbs);
     }
     if (empty($morebreadcrumbs) && $this->user_allowed_editing()) {
         $buttons = '<table><tr><td>' . update_module_button($this->modulerecord->id, $this->courserecord->id, get_string('modulename', 'game')) . '</td>';
         if (!empty($CFG->showblocksonmodpages)) {
             $buttons .= '<td><form ' . $CFG->frametarget . ' method="get" action="view.php">' . '<div>' . '<input type="hidden" name="id" value="' . $this->modulerecord->id . '" />' . '<input type="hidden" name="edit" value="' . ($this->user_is_editing() ? 'off' : 'on') . '" />' . '<input type="submit" value="' . get_string($this->user_is_editing() ? 'blockseditoff' : 'blocksediton') . '" />' . '</div></form></td>';
         }
         $buttons .= '</tr></table>';
     } else {
         $buttons = '&nbsp;';
     }
     print_header($title, $this->courserecord->fullname, $navigation);
 }

/**
 * Print url header.
 * @param object $url
 * @param object $cm
 * @param object $course
 * @return void
 */
function url_print_header($url, $cm, $course)
{
    global $PAGE, $OUTPUT;
    $PAGE->set_title($course->shortname . ': ' . $url->name);
    $PAGE->set_heading($course->fullname);
    $PAGE->set_activity_record($url);
    $PAGE->set_button(update_module_button($cm->id, '', get_string('modulename', 'url')));
    echo $OUTPUT->header(build_navigation('', $cm), navmenu($course, $cm));
}

 /**
  * Display the resource with the course blocks.
  */
 function display_course_blocks_start()
 {
     global $CFG;
     global $USER;
     global $THEME;
     require_once $CFG->libdir . '/blocklib.php';
     require_once $CFG->libdir . '/pagelib.php';
     require_once $CFG->dirroot . '/course/lib.php';
     //required by some blocks
     $PAGE = page_create_object(PAGE_COURSE_VIEW, $this->course->id);
     $this->PAGE = $PAGE;
     $pageblocks = blocks_setup($PAGE);
     $blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]), 210);
     /// Print the page header
     $edit = optional_param('edit', -1, PARAM_BOOL);
     if ($edit != -1 and $PAGE->user_allowed_editing()) {
         $USER->editing = $edit;
     }
     $morenavlinks = array($this->strresources => 'index.php?id=' . $this->course->id, $this->resource->name => '');
     $PAGE->print_header($this->course->shortname . ': %fullname%', $morenavlinks, "", "", update_module_button($this->cm->id, $this->course->id, $this->strresource));
     echo '<table id="layout-table"><tr>';
     $lt = empty($THEME->layouttable) ? array('left', 'middle', 'right') : $THEME->layouttable;
     foreach ($lt as $column) {
         $lt1[] = $column;
         if ($column == 'middle') {
             break;
         }
     }
     foreach ($lt1 as $column) {
         switch ($column) {
             case 'left':
                 if (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing()) {
                     echo '<td style="width: ' . $blocks_preferred_width . 'px;" id="left-column">';
                     print_container_start();
                     blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
                     print_container_end();
                     echo '</td>';
                 }
                 break;
             case 'middle':
                 echo '<td id="middle-column">';
                 print_container_start(false, 'middle-column-wrap');
                 echo '<div id="resource">';
                 break;
             case 'right':
                 if (blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $PAGE->user_is_editing()) {
                     echo '<td style="width: ' . $blocks_preferred_width . 'px;" id="right-column">';
                     print_container_start();
                     blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
                     print_container_end();
                     echo '</td>';
                 }
                 break;
         }
     }
 }

 function display()
 {
     global $CFG;
     $formatoptions = new object();
     $formatoptions->noclean = true;
     /// Are we displaying the course blocks?
     if ($this->resource->options == 'showblocks') {
         parent::display_course_blocks_start();
         $entry = get_record('kaltura_entries', 'context', "R_" . "{$this->resource}->id");
         if (trim(strip_tags($this->resource->alltext))) {
             echo $entry->title;
             $context = get_context_instance(CONTEXT_COURSE, $this->course->id);
             $formatoptions = new object();
             $formatoptions->noclean = true;
             print_simple_box(format_text($resource->summary, FORMAT_MOODLE, $formatoptions, $this->course->id), "center");
             if (has_capability('moodle/course:manageactivities', $context)) {
                 echo embed_kaltura($resource->alltext, get_width($entry), get_height($entry), $entry->entry_type, $entry->design, true);
             } else {
                 echo embed_kaltura($resource->alltext, get_width($entry), get_height($entry), KalturaEntryType::MEDIA_CLIP, $entry->design, true);
             }
         }
         parent::display_course_blocks_end();
     } else {
         /// Set up generic stuff first, including checking for access
         parent::display();
         /// Set up some shorthand variables
         $cm = $this->cm;
         $course = $this->course;
         $resource = $this->resource;
         $entry = get_record('kaltura_entries', 'context', "R_" . "{$resource->id}");
         $pagetitle = strip_tags($course->shortname . ': ' . format_string($resource->name));
         $inpopup = optional_param('inpopup', '', PARAM_BOOL);
         add_to_log($course->id, "resource", "view", "view.php?id={$cm->id}", $resource->id, $cm->id);
         $navigation = build_navigation($this->navlinks, $cm);
         print_header($pagetitle, $course->fullname, $navigation, "", "", true, update_module_button($cm->id, $course->id, $this->strresource), navmenu($course, $cm));
         if (trim(strip_tags($this->resource->alltext))) {
             echo $entry->title;
             $context = get_context_instance(CONTEXT_COURSE, $this->course->id);
             $formatoptions = new object();
             $formatoptions->noclean = true;
             print_simple_box(format_text($resource->summary, FORMAT_MOODLE, $formatoptions, $this->course->id), "center");
             if (has_capability('moodle/course:manageactivities', $context)) {
                 echo embed_kaltura($resource->alltext, get_width($entry), get_height($entry), $entry->entry_type, $entry->design, true);
             } else {
                 echo embed_kaltura($resource->alltext, get_width($entry), get_height($entry), KalturaEntryType::MEDIA_CLIP, $entry->design, true);
             }
         }
         /*       print_simple_box(format_text($resource->alltext, $resource->reference, $formatoptions, $course->id),
                         "center", "", "", "20");
         */
         $strlastmodified = get_string("lastmodified");
         echo "<div class=\"modified\">{$strlastmodified}: " . userdate($resource->timemodified) . "</div>";
         print_footer($course);
     }
 }

 function print_header_and_tabs($cm, $course, $quiz, $reportmode = "overview", $meta = "")
 {
     global $CFG;
     /// Define some strings
     $strquizzes = get_string("modulenameplural", "quiz");
     $strquiz = get_string("modulename", "quiz");
     /// Print the page header
     print_header_simple(format_string($quiz->name), "", "<a href=\"index.php?id={$course->id}\">{$strquizzes}</a>\n                      -> " . format_string($quiz->name), '', $meta, true, update_module_button($cm->id, $course->id, $strquiz), navmenu($course, $cm));
     /// Print the tabs
     $currenttab = 'reports';
     $mode = $reportmode;
     require $CFG->dirroot . '/mod/quiz/tabs.php';
 }

 function print_header_and_tabs($cm, $course, $quiz, $reportmode = "overview", $meta = "")
 {
     global $CFG;
     /// Define some strings
     $strquizzes = get_string("modulenameplural", "quiz");
     $strquiz = get_string("modulename", "quiz");
     /// Print the page header
     $navlinks = array();
     $navlinks[] = array('name' => $strquizzes, 'link' => "index.php?id={$course->id}", 'type' => 'activity');
     $navlinks[] = array('name' => format_string($quiz->name), 'link' => '', 'type' => 'activityinstance');
     $navigation = build_navigation($navlinks);
     print_header_simple(format_string($quiz->name), "", $navigation, '', $meta, true, update_module_button($cm->id, $course->id, $strquiz), navmenu($course, $cm));
     /// Print the tabs
     $currenttab = 'reports';
     $mode = $reportmode;
     require $CFG->dirroot . '/mod/quiz/tabs.php';
 }

function webquestscorm_print_header($name, $currenttab = '', $course = NULL, $cm = NULL, $cmid = 0)
{
    global $CFG;
    if ($cmid) {
        if (!isset($cm)) {
            if (!($cm = get_coursemodule_from_id('webquestscorm', $cmid))) {
                error('Course Module ID was incorrect');
            }
        }
        if (!isset($course)) {
            if (!($course = get_record('course', 'id', $this->cm->course))) {
                error('Course is misconfigured');
            }
        }
        if (!isset($name)) {
            if (!($webquestscorm = get_record('webquestscorm', 'id', $this->cm->instance))) {
                error('webquestscorm ID was incorrect');
            }
            $name = $webquestscorm->name;
        }
    } else {
        if (!isset($cm)) {
            error('Course Module ID was incorrect');
        }
        if (!isset($course)) {
            error('Course is misconfigured');
        }
        if (!isset($name)) {
            error('webquestscorm name was incorrect');
        }
    }
    $strwebquestscorms = get_string('modulenameplural', 'webquestscorm');
    $strwebquestscorm = get_string('modulename', 'webquestscorm');
    $strname = format_string($name);
    $button = update_module_button($cm->id, $course->id, $strwebquestscorm);
    $meta = '';
    if ($CFG->version < 2007101500) {
        print_header_simple(format_string($strname), "", "<a href=\"index.php?id={$course->id}\">{$strwebquestscorms}</a> -> " . format_string($name), "", "", true, update_module_button($cm->id, $course->id, $strwebquestscorm), navmenu($course, $cm));
    } else {
        $navigation = build_navigation('', $cm);
        print_header($course->shortname . ':' . $strname, $course->fullname, $navigation, '', $meta, true, $button, navmenu($course, $cm));
    }
    print_heading(format_string($name, true));
    require_once "tabs.php";
}

 function print_header_and_tabs($cm, $course, $game, $reportmode = "overview", $meta = "")
 {
     global $CFG;
     /// Define some strings
     $strgames = get_string("modulenameplural", "game");
     $strgame = get_string("modulename", "game");
     /// Print the page header
     if (function_exists('build_navigation')) {
         $navigation = build_navigation('', $cm);
         print_header($course->shortname, $course->shortname, $navigation);
     } else {
         print_header_simple(format_string($game->name), "", "<a href=\"index.php?id={$course->id}\">{$strgames}</a>\n                      -> " . format_string($game->name), '', $meta, true, update_module_button($cm->id, $course->id, $strgame), navmenu($course, $cm));
     }
     /// Print the tabs
     $currenttab = 'reports';
     $mode = $reportmode;
     include 'tabs.php';
 }

 function print_header_and_tabs($cm, $course, $quiz, $reportmode = "overview")
 {
     global $CFG;
     /// Define some strings
     $strquizzes = get_string("modulenameplural", "quiz");
     $strquiz = get_string("modulename", "quiz");
     /// Print the page header
     $navigation = build_navigation('', $cm);
     print_header_simple(format_string($quiz->name), "", $navigation, '', '', true, update_module_button($cm->id, $course->id, $strquiz), navmenu($course, $cm));
     /// Print the tabs
     $currenttab = 'reports';
     $mode = $reportmode;
     require $CFG->dirroot . '/mod/quiz/tabs.php';
     $course_context = get_context_instance(CONTEXT_COURSE, $course->id);
     if (has_capability('gradereport/grader:view', $course_context) && has_capability('moodle/grade:viewall', $course_context)) {
         echo '<div class="allcoursegrades"><a href="' . $CFG->wwwroot . '/grade/report/grader/index.php?id=' . $course->id . '">' . get_string('seeallcoursegrades', 'grades') . '</a></div>';
     }
 }

 function print_header($title, $morebreadcrumbs = NULL)
 {
     global $USER, $CFG;
     $this->init_full();
     $replacements = array('%fullname%' => format_string($this->activityrecord->name));
     foreach ($replacements as $search => $replace) {
         $title = str_replace($search, $replace, $title);
     }
     if ($this->courserecord->id == SITEID) {
         $breadcrumbs = array();
     } else {
         $breadcrumbs = array($this->courserecord->shortname => $CFG->wwwroot . '/course/view.php?id=' . $this->courserecord->id);
     }
     $breadcrumbs[get_string('modulenameplural', "bigbluebutton")] = $CFG->wwwroot . '/mod/bigbluebutton/index.php?id=' . $this->courserecord->id;
     $breadcrumbs[format_string($this->activityrecord->name)] = $CFG->wwwroot . '/mod/bigbluebutton/view.php?id=' . $this->modulerecord->id;
     if (!empty($morebreadcrumbs)) {
         $breadcrumbs = array_merge($breadcrumbs, $morebreadcrumbs);
     }
     $total = count($breadcrumbs);
     $current = 1;
     $crumbtext = '';
     foreach ($breadcrumbs as $text => $href) {
         if ($current++ == $total) {
             $crumbtext .= ' ' . $text;
         } else {
             $crumbtext .= ' <a href="' . $href . '">' . $text . '</a> ->';
         }
     }
     if (empty($morebreadcrumbs) && $this->user_allowed_editing()) {
         $buttons = '<table><tr><td>' . update_module_button($this->modulerecord->id, $this->courserecord->id, get_string('modulename', 'bigbluebutton')) . '</td>';
         if (!empty($CFG->showblocksonmodpages)) {
             $buttons .= '<td><form target="' . $CFG->framename . '" method="get" action="view.php">' . '<input type="hidden" name="id" value="' . $this->modulerecord->id . '" />' . '<input type="hidden" name="edit" value="' . ($this->user_is_editing() ? 'off' : 'on') . '" />' . '<input type="submit" value="' . get_string($this->user_is_editing() ? 'blockseditoff' : 'blocksediton') . '" /></form></td>';
         }
         $buttons .= '</tr></table>';
     } else {
         $buttons = '&nbsp;';
     }
     print_header($title, $this->courserecord->fullname, $crumbtext, '', '', true, $buttons, navmenu($this->courserecord, $this->modulerecord));
 }

/// Check to see if groups are being used here
$groupmode = groups_get_activity_groupmode($cm);
$currentgroup = groups_get_activity_group($cm, true);
if (empty($currentgroup)) {
    $currentgroup = 0;
}
if (empty($elluminate->meetingid) && $elluminate->groupmode != 0) {
    elluminate_group_instance_check($elluminate, $cm->id);
}
$baseurl = $CFG->wwwroot . '/mod/elluminate/preload.php?id=' . $elluminate->id;
/// Print the page header
$strelluminates = get_string('modulenameplural', 'elluminate');
$strelluminate = get_string('modulename', 'elluminate');
$straddpreload = get_string('addpreload', 'elluminate');
$strdelpreload = get_string('deletewhiteboardpreload', 'elluminate');
$buttontext = update_module_button($cm->id, $course->id, $strelluminate);
$navigation = build_navigation(empty($delete) ? $straddpreload : $strdelpreload, $cm);
print_header_simple(format_string($elluminate->name), '', $navigation, '', '', true, $buttontext, navmenu($course, $cm));
/// Delete a preload file for this meeting.
if (!empty($delete)) {
    if (!empty($elluminate->meetingid)) {
        if ($preload = elluminate_list_meeting_preloads($elluminate->meetingid)) {
            if ($preload->presentationid == $delete) {
                /// Delete the preload from the meeting.
                if (!elluminate_delete_preload($preload->presentationid, $elluminate->meetingid)) {
                    error(get_string('preloaddeleteerror', 'elluminate'));
                }
                redirect($CFG->wwwroot . '/mod/elluminate/view.php?id=' . $cm->id, get_string('preloaddeletesuccess', 'elluminate'), 5);
            }
        }
    }

    if ($course2 = get_record('course', 'id', $courseid)) {
        require_course_login($course2);
        //this overwrites the object $course :-(
        $course = get_record("course", "id", $cm->course);
        // the workaround
    } else {
        error("courseid is not correct");
    }
}
if (!$capabilities->complete) {
    error(get_string('error'));
}
/// Print the page header
$strfeedbacks = get_string("modulenameplural", "feedback");
$strfeedback = get_string("modulename", "feedback");
$buttontext = update_module_button($cm->id, $course->id, $strfeedback);
$navlinks = array();
$navlinks[] = array('name' => $strfeedbacks, 'link' => "index.php?id={$course->id}", 'type' => 'activity');
$navlinks[] = array('name' => format_string($feedback->name), 'link' => "", 'type' => 'activityinstance');
$navigation = build_navigation($navlinks);
print_header_simple(format_string($feedback->name), "", $navigation, "", "", true, $buttontext, navmenu($course, $cm));
//ishidden check.
//feedback in courses
if (empty($cm->visible) and !$capabilities->viewhiddenactivities and $course->id != SITEID) {
    notice(get_string("activityiscurrentlyhidden"));
}
//ishidden check.
//feedback on mainsite
if (empty($cm->visible) and !$capabilities->viewhiddenactivities and $courseid == SITEID) {
    notice(get_string("activityiscurrentlyhidden"));
}

$orgstr = '&currentorg=' . $currentorg;
$SESSION->scorm_scoid = $sco->id;
$SESSION->scorm_status = 'Not Initialized';
$SESSION->scorm_mode = $mode;
$SESSION->scorm_attempt = $attempt;
//
// Print the page header
//
$bodyscript = '';
if ($scorm->popup == 1) {
    $bodyscript = 'onunload="main.close();"';
}
$navlinks[] = array('name' => format_string($scorm->name, true), 'link' => "view.php?id={$cm->id}", 'type' => 'activityinstance');
$navigation = build_navigation($navlinks);
$exitlink = '<a href="' . $CFG->wwwroot . '/course/view.php?id=' . $scorm->course . '" title="' . $strexit . '">' . $strexit . '</a> ';
print_header($pagetitle, $course->fullname, $navigation, '', '', true, $exitlink . update_module_button($cm->id, $course->id, $strscorm), '', false, $bodyscript);
echo $PAGE->requires->data_for_js('scormplayerdata', array('cwidth' => $scorm->width, 'cheight' => $scorm->height))->asap();
echo $PAGE->requires->js('mod/scorm/request.js')->asap();
echo $PAGE->requires->js('mod/scorm/loaddatamodel.php?id=' . $cm->id . $scoidstr . $modestr . $attemptstr)->asap();
echo $PAGE->requires->js('mod/scorm/rd.js')->asap();
$PAGE->requires->js_function_call('attach_resize_event');
if ($sco->previd != 0 && (!isset($sco->previous) || $sco->previous == 0)) {
    $scostr = '&scoid=' . $sco->previd;
    $PAGE->requires->js_function_call('scorm_set_prev', array($CFG->wwwroot . '/mod/scorm/player.php?id=' . $cm->id . $orgstr . $modepop . $scostr));
} else {
    $PAGE->requires->js_function_call('scorm_set_prev', array($CFG->wwwroot . '/mod/scorm/view.php?id=' . $cm->id));
}
if ($sco->nextid != 0 && (!isset($sco->next) || $sco->next == 0)) {
    $scostr = '&scoid=' . $sco->nextid;
    $PAGE->requires->js_function_call('scorm_set_next', array($CFG->wwwroot . '/mod/scorm/player.php?id=' . $cm->id . $orgstr . $modepop . $scostr));
} else {

 /**
  *  Display all the submissions ready for grading
  */
 function display_submissions($message = '')
 {
     global $CFG, $db, $USER;
     require_once $CFG->libdir . '/gradelib.php';
     /* first we check to see if the form has just been submitted
      * to request user_preference updates
      */
     if (isset($_POST['updatepref'])) {
         $perpage = optional_param('perpage', 10, PARAM_INT);
         $perpage = $perpage <= 0 ? 10 : $perpage;
         set_user_preference('assignment_perpage', $perpage);
         set_user_preference('assignment_quickgrade', optional_param('quickgrade', 0, PARAM_BOOL));
     }
     /* next we get perpage and quickgrade (allow quick grade) params
      * from database
      */
     $perpage = get_user_preferences('assignment_perpage', 10);
     $quickgrade = get_user_preferences('assignment_quickgrade', 0);
     $grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id);
     if (!empty($CFG->enableoutcomes) and !empty($grading_info->outcomes)) {
         $uses_outcomes = true;
     } else {
         $uses_outcomes = false;
     }
     $teacherattempts = true;
     /// Temporary measure
     $page = optional_param('page', 0, PARAM_INT);
     $strsaveallfeedback = get_string('saveallfeedback', 'assignment');
     /// Some shortcuts to make the code read better
     $course = $this->course;
     $assignment = $this->assignment;
     $cm = $this->cm;
     $tabindex = 1;
     //tabindex for quick grading tabbing; Not working for dropdowns yet
     add_to_log($course->id, 'assignment', 'view submission', 'submissions.php?id=' . $this->assignment->id, $this->assignment->id, $this->cm->id);
     $navlinks = array();
     $navlinks[] = array('name' => $this->strassignments, 'link' => "index.php?id={$course->id}", 'type' => 'activity');
     $navlinks[] = array('name' => format_string($this->assignment->name, true), 'link' => "view.php?a={$this->assignment->id}", 'type' => 'activityinstance');
     $navlinks[] = array('name' => $this->strsubmissions, 'link' => '', 'type' => 'title');
     $navigation = build_navigation($navlinks);
     print_header_simple(format_string($this->assignment->name, true), "", $navigation, '', '', true, update_module_button($cm->id, $course->id, $this->strassignment), navmenu($course, $cm));
     if (!empty($message)) {
         echo $message;
         // display messages here if any
     }
     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
     /// find out current groups mode
     $groupmode = groups_get_activity_groupmode($cm);
     $currentgroup = groups_get_activity_group($cm, true);
     groups_print_activity_menu($cm, 'submissions.php?id=' . $this->cm->id);
     /// Get all ppl that are allowed to submit assignments
     $users = get_users_by_capability($context, 'mod/assignment:submit', '', '', '', '', $currentgroup, '', false);
     $users = array_keys($users);
     if (!empty($CFG->enablegroupings) && !empty($cm->groupingid)) {
         $groupingusers = groups_get_grouping_members($cm->groupingid, 'u.id', 'u.id');
         $users = array_intersect($users, array_keys($groupingusers));
     }
     $tablecolumns = array('picture', 'fullname', 'grade', 'submissioncomment', 'timemodified', 'timemarked', 'status', 'finalgrade');
     if ($uses_outcomes) {
         $tablecolumns[] = 'outcome';
         // no sorting based on outcomes column
     }
     $tableheaders = array('', get_string('fullname'), get_string('grade'), get_string('comment', 'assignment'), get_string('lastmodified') . ' (' . $course->student . ')', get_string('lastmodified') . ' (' . $course->teacher . ')', get_string('status'), get_string('finalgrade', 'grades'));
     if ($uses_outcomes) {
         $tableheaders[] = get_string('outcome', 'grades');
     }
     require_once $CFG->libdir . '/tablelib.php';
     $table = new flexible_table('mod-assignment-submissions');
     $table->define_columns($tablecolumns);
     $table->define_headers($tableheaders);
     $table->define_baseurl($CFG->wwwroot . '/mod/assignment/submissions.php?id=' . $this->cm->id . '&amp;currentgroup=' . $currentgroup);
     $table->sortable(true, 'lastname');
     //sorted by lastname by default
     $table->collapsible(true);
     $table->initialbars(true);
     $table->column_suppress('picture');
     $table->column_suppress('fullname');
     $table->column_class('picture', 'picture');
     $table->column_class('fullname', 'fullname');
     $table->column_class('grade', 'grade');
     $table->column_class('submissioncomment', 'comment');
     $table->column_class('timemodified', 'timemodified');
     $table->column_class('timemarked', 'timemarked');
     $table->column_class('status', 'status');
     $table->column_class('finalgrade', 'finalgrade');
     if ($uses_outcomes) {
         $table->column_class('outcome', 'outcome');
     }
     $table->set_attribute('cellspacing', '0');
     $table->set_attribute('id', 'attempts');
     $table->set_attribute('class', 'submissions');
     $table->set_attribute('width', '90%');
     //$table->set_attribute('align', 'center');
     $table->no_sorting('finalgrade');
     $table->no_sorting('outcome');
     // Start working -- this is necessary as soon as the niceties are over
     $table->setup();
//.........这里部分代码省略.........

//.........这里部分代码省略.........
             $localpath = get_user_preferences('resource_localpath', 'D:');
             $relativeurl = str_replace(RESOURCE_LOCALPATH, $localpath, $resource->reference);
             if ($querystring) {
                 $relativeurl .= '?' . $querystring;
             }
             $relativeurl = str_replace('\\', '/', $relativeurl);
             $relativeurl = str_replace(' ', '%20', $relativeurl);
             $fullurl = 'file:///' . htmlentities($relativeurl);
             $localpath = true;
         } else {
             // Normal uploaded file
             if ($CFG->slasharguments) {
                 $relativeurl = "/file.php/{$course->id}/{$resource->reference}";
                 if ($querystring) {
                     $relativeurl .= '?' . $querystring;
                 }
             } else {
                 $relativeurl = "/file.php?file=/{$course->id}/{$resource->reference}";
                 if ($querystring) {
                     $relativeurl .= '&' . $querystring;
                 }
             }
             $fullurl = "{$CFG->wwwroot}{$relativeurl}";
         }
     }
     /// Print a notice and redirect if we are trying to access a file on a local file system
     /// and the config setting has been disabled
     if (!$CFG->resource_allowlocalfiles and strpos($resource->reference, RESOURCE_LOCALPATH) === 0) {
         if ($inpopup) {
             print_header($pagetitle, $course->fullname);
         } else {
             $this->navlinks[] = array('name' => format_string($resource->name), 'link' => null, 'type' => 'misc');
             $this->navigation = build_navigation($this->navlinks);
             print_header($pagetitle, $course->fullname, $this->navigation, "", "", true, update_module_button($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
         $this->navlinks[] = array('name' => format_string($resource->name), 'link' => null, 'type' => 'misc');
         $this->navigation = build_navigation($this->navlinks);
         print_header($pagetitle, $course->fullname, $this->navigation, "", "", true, update_module_button($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($resource->summary))) {
             print_simple_box(format_text($resource->summary, FORMAT_MOODLE, $formatoptions), "center");
         }
         $link = "<a href=\"{$CFG->wwwroot}/mod/resource/view.php?inpopup=true&amp;id={$cm->id}\" " . "onclick=\"this.target='resource{$resource->id}'; return openpopup('/mod/resource/view.php?inpopup=true&amp;id={$cm->id}', " . "'resource{$resource->id}','{$resource->popup}');\">" . format_string($resource->name, true) . "</a>";
         echo '<div class="popupnotice">';
         print_string('popupresource', 'resource');
         echo '<br />';
         print_string('popupresourcelink', 'resource', $link);
         echo '</div>';
         print_footer($course);
         exit;
     }
     /// Now check whether we need to display a frameset

 /**
  *  Display all the submissions ready for grading
  *
  * @global object
  * @global object
  * @global object
  * @global object
  * @param string $message
  * @return bool|void
  */
 function display_submissions($message = '')
 {
     global $CFG, $DB, $USER, $DB, $OUTPUT;
     require_once $CFG->libdir . '/gradelib.php';
     /* first we check to see if the form has just been submitted
      * to request user_preference updates
      */
     if (isset($_POST['updatepref'])) {
         $perpage = optional_param('perpage', 10, PARAM_INT);
         $perpage = $perpage <= 0 ? 10 : $perpage;
         set_user_preference('assignment_perpage', $perpage);
         set_user_preference('assignment_quickgrade', optional_param('quickgrade', 0, PARAM_BOOL));
     }
     /* next we get perpage and quickgrade (allow quick grade) params
      * from database
      */
     $perpage = get_user_preferences('assignment_perpage', 10);
     $quickgrade = get_user_preferences('assignment_quickgrade', 0);
     $grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id);
     if (!empty($CFG->enableoutcomes) and !empty($grading_info->outcomes)) {
         $uses_outcomes = true;
     } else {
         $uses_outcomes = false;
     }
     $page = optional_param('page', 0, PARAM_INT);
     $strsaveallfeedback = get_string('saveallfeedback', 'assignment');
     /// Some shortcuts to make the code read better
     $course = $this->course;
     $assignment = $this->assignment;
     $cm = $this->cm;
     $tabindex = 1;
     //tabindex for quick grading tabbing; Not working for dropdowns yet
     add_to_log($course->id, 'assignment', 'view submission', 'submissions.php?id=' . $this->cm->id, $this->assignment->id, $this->cm->id);
     $navigation = build_navigation($this->strsubmissions, $this->cm);
     print_header_simple(format_string($this->assignment->name, true), "", $navigation, '', '', true, update_module_button($cm->id, $course->id, $this->strassignment), navmenu($course, $cm));
     $course_context = get_context_instance(CONTEXT_COURSE, $course->id);
     if (has_capability('gradereport/grader:view', $course_context) && has_capability('moodle/grade:viewall', $course_context)) {
         echo '<div class="allcoursegrades"><a href="' . $CFG->wwwroot . '/grade/report/grader/index.php?id=' . $course->id . '">' . get_string('seeallcoursegrades', 'grades') . '</a></div>';
     }
     if (!empty($message)) {
         echo $message;
         // display messages here if any
     }
     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
     /// Check to see if groups are being used in this assignment
     /// find out current groups mode
     $groupmode = groups_get_activity_groupmode($cm);
     $currentgroup = groups_get_activity_group($cm, true);
     groups_print_activity_menu($cm, 'submissions.php?id=' . $this->cm->id);
     /// Get all ppl that are allowed to submit assignments
     if ($users = get_users_by_capability($context, 'mod/assignment:submit', 'u.id', '', '', '', $currentgroup, '', false)) {
         $users = array_keys($users);
     }
     // if groupmembersonly used, remove users who are not in any group
     if ($users and !empty($CFG->enablegroupings) and $cm->groupmembersonly) {
         if ($groupingusers = groups_get_grouping_members($cm->groupingid, 'u.id', 'u.id')) {
             $users = array_intersect($users, array_keys($groupingusers));
         }
     }
     $tablecolumns = array('picture', 'fullname', 'grade', 'submissioncomment', 'timemodified', 'timemarked', 'status', 'finalgrade');
     if ($uses_outcomes) {
         $tablecolumns[] = 'outcome';
         // no sorting based on outcomes column
     }
     $tableheaders = array('', get_string('fullname'), get_string('grade'), get_string('comment', 'assignment'), get_string('lastmodified') . ' (' . get_string('submission', 'assignment') . ')', get_string('lastmodified') . ' (' . get_string('grade') . ')', get_string('status'), get_string('finalgrade', 'grades'));
     if ($uses_outcomes) {
         $tableheaders[] = get_string('outcome', 'grades');
     }
     require_once $CFG->libdir . '/tablelib.php';
     $table = new flexible_table('mod-assignment-submissions');
     $table->define_columns($tablecolumns);
     $table->define_headers($tableheaders);
     $table->define_baseurl($CFG->wwwroot . '/mod/assignment/submissions.php?id=' . $this->cm->id . '&amp;currentgroup=' . $currentgroup);
     $table->sortable(true, 'lastname');
     //sorted by lastname by default
     $table->collapsible(true);
     $table->initialbars(true);
     $table->column_suppress('picture');
     $table->column_suppress('fullname');
     $table->column_class('picture', 'picture');
     $table->column_class('fullname', 'fullname');
     $table->column_class('grade', 'grade');
     $table->column_class('submissioncomment', 'comment');
     $table->column_class('timemodified', 'timemodified');
     $table->column_class('timemarked', 'timemarked');
     $table->column_class('status', 'status');
     $table->column_class('finalgrade', 'finalgrade');
     if ($uses_outcomes) {
         $table->column_class('outcome', 'outcome');
     }
//.........这里部分代码省略.........