<?php  //$Id$

///////////////////////////////////////////////////////////////////////////
//                                                                       //
// NOTICE OF COPYRIGHT                                                   //
//                                                                       //
// Moodle - Modular Object-Oriented Dynamic Learning Environment         //
//          http://moodle.com                                            //
//                                                                       //
// Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com       //
//                                                                       //
// This program is free software; you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by  //
// the Free Software Foundation; either version 2 of the License, or     //
// (at your option) any later version.                                   //
//                                                                       //
// This program is distributed in the hope that it will be useful,       //
// but WITHOUT ANY WARRANTY; without even the implied warranty of        //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
// GNU General Public License for more details:                          //
//                                                                       //
//          http://www.gnu.org/copyleft/gpl.html                         //
//                                                                       //
///////////////////////////////////////////////////////////////////////////

require_once '../../../config.php';
require_once $CFG->dirroot.'/grade/lib.php';
require_once $CFG->dirroot.'/grade/report/lib.php';
require_once 'edit_form.php';

$courseid = optional_param('courseid', 0, PARAM_INT);
$id       = optional_param('id', 0, PARAM_INT);

$systemcontext = get_context_instance(CONTEXT_SYSTEM);

// a bit complex access control :-O
if ($id) {
    /// editing existing outcome
    if (!$outcome_rec = get_record('grade_outcomes', 'id', $id)) {
        error('Incorrect outcome id');
    }
    if ($outcome_rec->courseid) {
        $outcome_rec->standard = 0;
        if (!$course = get_record('course', 'id', $outcome_rec->courseid)) {
            error('Incorrect course id');
        }
        require_login($course);
        $context = get_context_instance(CONTEXT_COURSE, $course->id);
        require_capability('moodle/grade:manage', $context);
        $courseid = $course->id;
    } else {
        if ($courseid) {
            if (!$course = get_record('course', 'id', $courseid)) {
                error('Incorrect course id');
            }
        }
        $outcome_rec->standard = 1;
        $outcome_rec->courseid = $courseid;
        require_login();
        require_capability('moodle/grade:manage', $systemcontext);
    }

} else if ($courseid){
    /// adding new outcome from course
    if (!$course = get_record('course', 'id', $courseid)) {
        print_error('nocourseid');
    }
    $outcome_rec = new object();
    $outcome_rec->standard = 0;
    $outcome_rec->courseid = $courseid;
    require_login($course);
    $context = get_context_instance(CONTEXT_COURSE, $course->id);
    require_capability('moodle/grade:manage', $context);

} else {
    /// adding new outcome from admin section
    $outcome_rec = new object();
    $outcome_rec->standard = 1;
    $outcome_rec->courseid = 0;
    require_login();
    require_capability('moodle/grade:manage', $systemcontext);
}

// default return url
$gpr = new grade_plugin_return();
$returnurl = $gpr->get_return_url('index.php?id='.$courseid);

$mform = new edit_outcome_form(null, array('gpr'=>$gpr));

$mform->set_data($outcome_rec);

if ($mform->is_cancelled()) {
    redirect($returnurl);

} else if ($data = $mform->get_data(false)) {
    $outcome = new grade_outcome(array('id'=>$id));
    $data->usermodified = $USER->id;
    grade_outcome::set_properties($outcome, $data);

    if (empty($outcome->id)) {
        if (!has_capability('moodle/grade:manage', $systemcontext)) {
            $data->standard = 0;
        }
        $outcome->courseid = !empty($data->standard) ? null : $courseid;
        if (empty($outcome->courseid)) {
            $outcome->courseid = null;
        }
        $outcome->insert();

    } else {
        if (isset($data->standard)) {
            $outcome->courseid = !empty($data->standard) ? null : $courseid;
        } else {
            unset($outcome->couseid); // keep previous
        }
        $outcome->update();
    }

    redirect($returnurl);
}

$strgrades       = get_string('grades');
$strgraderreport = get_string('graderreport', 'grades');
$stroutcomeedit  = get_string('outcome', 'grades');

if ($courseid) {
    $navigation = grade_build_nav(__FILE__, $stroutcomeedit, array('courseid' => $courseid));
    print_header_simple($strgrades.': '.$strgraderreport, ': '.$stroutcomeedit, $navigation, '', '', true, '', navmenu($course));

} else {
    require_once $CFG->libdir.'/adminlib.php';
    admin_externalpage_setup('outcomes');
    admin_externalpage_print_header();
}

$mform->display();

if ($courseid) {
    print_footer($course);
} else {
    admin_externalpage_print_footer();
}

?>