PHP calendar_set_referring_course函数代码示例

 function get_content()
 {
     global $USER, $CFG, $SESSION, $COURSE;
     $cal_m = optional_param('cal_m', 0, PARAM_INT);
     $cal_y = optional_param('cal_y', 0, PARAM_INT);
     require_once $CFG->dirroot . '/calendar/lib.php';
     if ($this->content !== NULL) {
         return $this->content;
     }
     // Reset the session variables
     calendar_session_vars($COURSE);
     $this->content = new stdClass();
     $this->content->text = '';
     $this->content->footer = '';
     // [pj] To me it looks like this if would never be needed, but Penny added it
     // when committing the /my/ stuff. Reminder to discuss and learn what it's about.
     // It definitely needs SOME comment here!
     $courseshown = $COURSE->id;
     if ($courseshown == SITEID) {
         // Being displayed at site level. This will cause the filter to fall back to auto-detecting
         // the list of courses it will be grabbing events from.
         $filtercourse = NULL;
         $groupeventsfrom = NULL;
         $SESSION->cal_courses_shown = calendar_get_default_courses(true);
         calendar_set_referring_course(0);
     } else {
         // Forcibly filter events to include only those from the particular course we are in.
         $filtercourse = array($courseshown => $COURSE);
         $groupeventsfrom = array($courseshown => 1);
     }
     // We 'll need this later
     calendar_set_referring_course($courseshown);
     // MDL-9059, set to show this course when admins go into a course, then unset it.
     if ($COURSE->id != SITEID && !isset($SESSION->cal_courses_shown[$COURSE->id]) && has_capability('moodle/calendar:manageentries', get_context_instance(CONTEXT_SYSTEM))) {
         $courseset = true;
         $SESSION->cal_courses_shown[$COURSE->id] = $COURSE;
     }
     // Be VERY careful with the format for default courses arguments!
     // Correct formatting is [courseid] => 1 to be concise with moodlelib.php functions.
     calendar_set_filters($courses, $group, $user, $filtercourse, $groupeventsfrom, false);
     if ($courseshown == SITEID) {
         // For the front page
         $this->content->text .= calendar_overlib_html();
         $this->content->text .= calendar_top_controls('frontpage', array('id' => $courseshown, 'm' => $cal_m, 'y' => $cal_y));
         $this->content->text .= calendar_get_mini($courses, $group, $user, $cal_m, $cal_y);
         // No filters for now
     } else {
         // For any other course
         $this->content->text .= calendar_overlib_html();
         $this->content->text .= calendar_top_controls('course', array('id' => $courseshown, 'm' => $cal_m, 'y' => $cal_y));
         $this->content->text .= calendar_get_mini($courses, $group, $user, $cal_m, $cal_y);
         $this->content->text .= '<h3 class="eventskey">' . get_string('eventskey', 'calendar') . '</h3>';
         $this->content->text .= '<div class="filters">' . calendar_filter_controls('course', '', $COURSE) . '</div>';
     }
     // MDL-9059, unset this so that it doesn't stay in session
     if (!empty($courseset)) {
         unset($SESSION->cal_courses_shown[$COURSE->id]);
     }
     return $this->content;
 }

 function get_content()
 {
     global $USER, $CFG, $SESSION, $COURSE;
     $cal_m = optional_param('cal_m', 0, PARAM_INT);
     $cal_y = optional_param('cal_y', 0, PARAM_INT);
     require_once $CFG->dirroot . '/calendar/lib.php';
     if ($this->content !== NULL) {
         return $this->content;
     }
     // Reset the session variables
     calendar_session_vars($COURSE);
     $this->content = new stdClass();
     $this->content->text = '';
     if (empty($this->instance)) {
         // Overrides: use no course at all
         $courseshown = false;
         $filtercourse = array();
         $this->content->footer = '';
     } else {
         $courseshown = $COURSE->id;
         $this->content->footer = '<br /><a href="' . $CFG->wwwroot . '/calendar/view.php?view=upcoming&amp;course=' . $courseshown . '">' . get_string('gotocalendar', 'calendar') . '</a>...';
         $context = get_context_instance(CONTEXT_COURSE, $courseshown);
         if (has_capability('moodle/calendar:manageentries', $context) || has_capability('moodle/calendar:manageownentries', $context)) {
             $this->content->footer .= '<br /><a href="' . $CFG->wwwroot . '/calendar/event.php?action=new&amp;course=' . $courseshown . '">' . get_string('newevent', 'calendar') . '</a>...';
         }
         if ($courseshown == SITEID) {
             // Being displayed at site level. This will cause the filter to fall back to auto-detecting
             // the list of courses it will be grabbing events from.
             $filtercourse = NULL;
             $groupeventsfrom = NULL;
             $SESSION->cal_courses_shown = calendar_get_default_courses(true);
             calendar_set_referring_course(0);
         } else {
             // Forcibly filter events to include only those from the particular course we are in.
             $filtercourse = array($courseshown => $COURSE);
             $groupeventsfrom = array($courseshown => 1);
         }
     }
     // We 'll need this later
     calendar_set_referring_course($courseshown);
     // Be VERY careful with the format for default courses arguments!
     // Correct formatting is [courseid] => 1 to be concise with moodlelib.php functions.
     calendar_set_filters($courses, $group, $user, $filtercourse, $groupeventsfrom, false);
     $events = calendar_get_upcoming($courses, $group, $user, get_user_preferences('calendar_lookahead', CALENDAR_UPCOMING_DAYS), get_user_preferences('calendar_maxevents', CALENDAR_UPCOMING_MAXEVENTS));
     if (!empty($this->instance)) {
         $this->content->text = calendar_get_sideblock_upcoming($events, 'view.php?view=day&amp;course=' . $courseshown . '&amp;');
     }
     if (empty($this->content->text)) {
         $this->content->text = '<div class="post">' . get_string('noupcomingevents', 'calendar') . '</div>';
     }
     return $this->content;
 }

if ($usehtmleditor = can_use_richtext_editor()) {
    $defaultformat = FORMAT_HTML;
} else {
    $defaultformat = FORMAT_MOODLE;
}
// If a course has been supplied in the URL, change the filters to show that one
if ($urlcourse > 0 && record_exists('course', 'id', $urlcourse)) {
    require_login($urlcourse, false);
    if ($urlcourse == SITEID) {
        // If coming from the site page, show all courses
        $SESSION->cal_courses_shown = calendar_get_default_courses(true);
        calendar_set_referring_course(0);
    } else {
        // Otherwise show just this one
        $SESSION->cal_courses_shown = $urlcourse;
        calendar_set_referring_course($SESSION->cal_courses_shown);
    }
}
$form = null;
switch ($action) {
    case 'delete':
        $title = get_string('deleteevent', 'calendar');
        $event = get_record('event', 'id', $eventid);
        if ($event === false) {
            error('Invalid event');
        }
        if (!calendar_edit_event_allowed($event)) {
            error('You are not authorized to do this');
        }
        break;
    case 'edit':

 calendar_session_vars();
 /*
 		if ($courseshown == SITEID) {
             // Being displayed at site level. This will cause the filter to fall back to auto-detecting
             // the list of courses it will be grabbing events from.
             $filtercourse    = NULL;
             $groupeventsfrom = NULL;
             $SESSION->cal_courses_shown = calendar_get_default_courses(true);
             calendar_set_referring_course(0);
 } else {
             // Forcibly filter events to include only those from the particular course we are in.
             $filtercourse    = array($courseshown => $COURSE);
             $groupeventsfrom = array($courseshown => 1);
 }
 */
 calendar_set_referring_course($courseshown);
 // Be VERY careful with the format for default courses arguments!
 // Correct formatting is [courseid] => 1 to be concise with moodlelib.php functions.
 calendar_set_filters($courses, $group, $user, $filtercourse, $groupeventsfrom, false);
 $restrictions = '';
 $restrictions .= 'timestart + timeduration >= ' . $from_date;
 $restrictions .= ' AND timestart <= ' . $to_date;
 $restrictions .= ' AND ( (userid = ' . $USER->id . ' AND courseid = 0 AND groupid = 0)';
 $restrictions .= ' OR (groupid = 0 AND courseid IN (1,' . $courseshown . ')))';
 $restrictions .= ' AND visible = 1';
 $events = get_records_select('event', $restrictions, 'timestart');
 $return_events = array();
 foreach ($events as $event) {
     if (function_exists(calendar_add_event_metadata)) {
         calendar_add_event_metadata($event);
     }

 case 'setcourse':
     $id = intval($id);
     if ($id == 0) {
         $SESSION->cal_courses_shown = array();
         calendar_set_referring_course(0);
     } else {
         if ($id == 1) {
             $SESSION->cal_courses_shown = calendar_get_default_courses(true);
             calendar_set_referring_course(0);
         } else {
             if ($DB->get_record('course', array('id' => $id)) === false) {
                 // There is no such course
                 $SESSION->cal_courses_shown = array();
                 calendar_set_referring_course(0);
             } else {
                 calendar_set_referring_course($id);
                 $SESSION->cal_courses_shown = $id;
             }
         }
     }
     break;
 case 'showgroups':
     $SESSION->cal_show_groups = !$SESSION->cal_show_groups;
     set_user_preference('calendar_savedflt', calendar_get_filters_status());
     break;
 case 'showcourses':
     $SESSION->cal_show_course = !$SESSION->cal_show_course;
     set_user_preference('calendar_savedflt', calendar_get_filters_status());
     break;
 case 'showglobal':
     $SESSION->cal_show_global = !$SESSION->cal_show_global;

function startCalendar($course)
{
    $view = optional_param('view', 'upcoming', PARAM_ALPHA);
    $day = optional_param('cal_d', 0, PARAM_INT);
    $mon = optional_param('cal_m', 0, PARAM_INT);
    $yr = optional_param('cal_y', 0, PARAM_INT);
    // Initialize the session variables
    calendar_session_vars();
    //add_to_log($course->id, "course", "view", "view.php?id=$course->id", "$course->id");
    $now = usergetdate(time());
    $pagetitle = '';
    $nav = calendar_get_link_tag(get_string('calendar', 'calendar'), CALENDAR_URL . 'view.php?view=upcoming&course=' . $course->id . '&', $now['mday'], $now['mon'], $now['year']);
    if (!checkdate($mon, $day, $yr)) {
        $day = intval($now['mday']);
        $mon = intval($now['mon']);
        $yr = intval($now['year']);
    }
    $time = make_timestamp($yr, $mon, $day);
    switch ($view) {
        case 'day':
            $nav .= ' -> ' . userdate($time, get_string('strftimedate'));
            $pagetitle = get_string('dayview', 'calendar');
            break;
        case 'month':
            $nav .= ' -> ' . userdate($time, get_string('strftimemonthyear'));
            $pagetitle = get_string('detailedmonthview', 'calendar');
            break;
        case 'upcoming':
            $pagetitle = get_string('upcomingevents', 'calendar');
            break;
    }
    // If a course has been supplied in the URL, change the filters to show that one
    if (!empty($course->id)) {
        if ($course = get_record('course', 'id', $course->id)) {
            if ($course->id == SITEID) {
                // If coming from the home page, show all courses
                $SESSION->cal_courses_shown = calendar_get_default_courses(true);
                calendar_set_referring_course(0);
            } else {
                // Otherwise show just this one
                $SESSION->cal_courses_shown = $course->id;
                calendar_set_referring_course($SESSION->cal_courses_shown);
            }
        }
    } else {
        $course = null;
    }
    if (empty($USER->id) or isguest()) {
        $defaultcourses = calendar_get_default_courses();
        calendar_set_filters($courses, $groups, $users, $defaultcourses, $defaultcourses);
    } else {
        calendar_set_filters($courses, $groups, $users);
    }
    // Let's see if we are supposed to provide a referring course link
    // but NOT for the "main page" course
    if ($SESSION->cal_course_referer != SITEID && ($shortname = get_field('course', 'shortname', 'id', $SESSION->cal_course_referer)) !== false) {
        // If we know about the referring course, show a return link and ALSO require login!
        require_login();
        $nav = '<a href="' . $CFG->wwwroot . '/course/view.php?id=' . $SESSION->cal_course_referer . '">' . $shortname . '</a> -> ' . $nav;
        if (empty($course)) {
            $course = get_record('course', 'id', $SESSION->cal_course_referer);
            // Useful to have around
        }
    }
    $strcalendar = get_string('calendar', 'calendar');
    $prefsbutton = calendar_preferences_button();
    /// Print the page header
    if ($course->category) {
        $navigation = "<a href=\"../../course/view.php?id={$course->id}\">{$course->shortname}</a> ->";
    } else {
        $navigation = '';
    }
    echo calendar_overlib_html();
    // Layout the whole page as three big columns.
    echo '<table id="calendar" style="height:100%;">';
    echo '<tr>';
    // START: Main column
    /// Print the main part of the pageecho $user;
    echo '<td class="maincalendar">';
    echo '<div class="heightcontainer">';
}

// Initialize the session variables
calendar_session_vars();
$pagetitle = get_string('export', 'calendar');
$navlinks = array();
$now = usergetdate(time());
$navlinks[] = array('name' => get_string('calendar', 'calendar'), 'link' => calendar_get_link_href(CALENDAR_URL . 'view.php?view=upcoming&course=' . $course . '&', $now['mday'], $now['mon'], $now['year']), 'type' => 'misc');
$navlinks[] = array('name' => $pagetitle, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
if (!checkdate($mon, $day, $yr)) {
    $day = intval($now['mday']);
    $mon = intval($now['mon']);
    $yr = intval($now['year']);
}
$time = make_timestamp($yr, $mon, $day);
$SESSION->cal_courses_shown = calendar_get_default_courses(true);
calendar_set_referring_course(0);
if (empty($USER->id) or isguest()) {
    $defaultcourses = calendar_get_default_courses();
    calendar_set_filters($courses, $groups, $users, $defaultcourses, $defaultcourses);
} else {
    calendar_set_filters($courses, $groups, $users);
}
$strcalendar = get_string('calendar', 'calendar');
$prefsbutton = calendar_preferences_button();
// Print title and header
print_header("{$site->shortname}: {$strcalendar}: {$pagetitle}", $strcalendar, $navigation, '', '', true, $prefsbutton, user_login_string($site));
echo calendar_overlib_html();
// Layout the whole page as three big columns.
echo '<table id="calendar">';
echo '<tr>';
// START: Main column