public function html() {
        global $OUTPUT;

        $html = '';

        $types = gradereport_singleview::valid_screens();

        foreach ($types as $type) {
            $classname = "gradereport_singleview\\local\\screen\\${type}";

            $screen = new $classname($this->courseid, null, $this->groupid);

            if (!$screen instanceof selectable_items) {
                continue;
            }

            $options = $screen->options();

            if (empty($options)) {
                continue;
            }

            $params = array(
                'id' => $this->courseid,
                'item' => $screen->item_type(),
                'group' => $this->groupid
            );

            $url = new moodle_url('/grade/report/singleview/index.php', $params);

            $select = new \single_select($url, 'itemid', $options, '', array('' => $screen->select_label()));
            $select->set_label($screen->select_label(), array('class'=>'accesshide'));
            $html .= $OUTPUT->render($select);
        }
        $html = $OUTPUT->container($html, 'selectitems');

        if (empty($html)) {
            $OUTPUT->notification(get_string('noscreens', 'gradereport_singleview'));
        }

        return $html;
    }
public function html() {
        global $OUTPUT;

        $html = '';

        $types = gradereport_singleview::valid_screens();

        foreach ($types as $type) {
            $classname = "gradereport_singleview\\local\\screen\\${type}";

            $screen = new $classname($this->courseid, null, $this->groupid);

            if (!$screen instanceof selectable_items) {
                continue;
            }

            $options = $screen->options();

            if (empty($options)) {
                continue;
            }

            $params = array(
                'id' => $this->courseid,
                'item' => $screen->item_type(),
                'group' => $this->groupid
            );

            $url = new moodle_url('/grade/report/singleview/index.php', $params);

            $select = new \single_select($url, 'itemid', $options, '', array('' => $screen->select_label()));
            $select->set_label($screen->select_label(), array('class'=>'accesshide'));
            $html .= $OUTPUT->render($select);
        }
        $html = $OUTPUT->container($html, 'selectitems');

        if (empty($html)) {
            $OUTPUT->notification(get_string('noscreens', 'gradereport_singleview'));
        }

        return $html;
    }
public function html ( ) { global $ OUTPUT ; $ html = '' ; $ types = gradereport_singleview :: valid_screens ( ) ; foreach ( $ types as $ type ) { $ classname = "gradereport_singleview\\local\\screen\\${type}" ; $ screen = new $ classname ( $ this -> courseid , null , $ this -> groupid ) ; if ( ! $ screen instanceof selectable_items ) { continue ; } $ options = $ screen -> options ( ) ; if ( empty ( $ options ) ) { continue ; } $ params = array ( 'id' => $ this -> courseid , 'item' => $ screen -> item_type ( ) , 'group' => $ this -> groupid ) ; $ url = new moodle_url ( '/grade/report/singleview/index.php' , $ params ) ; $ select = new \ single_select ( $ url , 'itemid' , $ options , '' , array ( '' => $ screen -> select_label ( ) ) ) ; $ select -> set_label ( $ screen -> select_label ( ) , array ( 'class' => 'accesshide' ) ) ; $ html .= $ OUTPUT -> render ( $ select ) ; } $ html = $ OUTPUT -> container ( $ html , 'selectitems' ) ; if ( empty ( $ html ) ) { $ OUTPUT -> notification ( get_string ( 'noscreens' , 'gradereport_singleview' ) ) ; } return $ html ; }
Return the HTML for the page.

@return string
Return the HTML for the page .