gradeimporter/view.php

<?php
    require_once(dirname(dirname(dirname(__FILE__))).'/config.php');
    require_once(dirname(__FILE__).'/lib.php');

    global $DB;

    $id = optional_param('id', 0, PARAM_INT); // course_module ID, or
    $g  = optional_param('g', 0, PARAM_INT);  // gradeimporter instance ID, should be named as the first character of the module

    if ($id) {
        if (! $cm = get_coursemodule_from_id('gradeimporter', $id)) {
            error('Course Module ID was incorrect');
        }

        if (! $course = $DB->get_record('course', array('id'=> $cm->course))) {
            error('Course is misconfigured');
        }

        if (! $gradeimporter = $DB->get_record('gradeimporter', array('id'=> $cm->instance) ) ) {
            error('Course module is incorrect');
        }

    } else if ($g) {
        if (! $gradeimporter = $DB->get_record('gradeimporter', array('id'=> $g)) ){
            error('Course module is incorrect');
        }
        if (! $course = $DB->get_record('course', array('id'=> $gradeimporter->course)) ) {
            error('Course is misconfigured');
        }
        if (! $cm = get_coursemodule_from_instance('gradeimporter', $gradeimporter->id, $course->id)) {
            error('Course Module ID was incorrect');
        }

    } else {
        error('You must specify a course_module ID or an instance ID');
    }

    require_login($course, true, $cm);

    $context = context_module::instance($cm->id);



    /// Print the page header
    $PAGE->set_url('/mod/gradeimporter/view.php', array('id' => $cm->id));
    $PAGE->set_title(format_string($gradeimporter->name));
    $PAGE->set_heading(format_string($course->fullname));
    $PAGE->set_context($context);
/// Print the main part of the page

$output = $PAGE->get_renderer('mod_folder');
echo $output->header();
$heading = get_string('displayingview', 'gradeimporter', $gradeimporter->name);
echo $output->heading($heading);

//tabela com as notas vem aqui
echo 'parte principal do importador de notas';

/// Finish the page
echo $output->footer();