mirror of
https://github.com/moodle/moodle.git
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646 lines
27 KiB
PHP
646 lines
27 KiB
PHP
<?php // $Id$
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/////////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Calendar extension //
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// //
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// Copyright (C) 2003-2004 Greek School Network www.sch.gr //
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// //
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// Designed by: //
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// Avgoustos Tsinakos (tsinakos@teikav.edu.gr) //
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// Jon Papaioannou (pj@moodle.org) //
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// //
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// Programming and development: //
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// Jon Papaioannou (pj@moodle.org) //
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// //
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// For bugs, suggestions, etc contact: //
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// Jon Papaioannou (pj@moodle.org) //
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// //
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// The current module was developed at the University of Macedonia //
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// (www.uom.gr) under the funding of the Greek School Network (www.sch.gr) //
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// The aim of this project is to provide additional and improved //
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// functionality to the Asynchronous Distance Education service that the //
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// Greek School Network deploys. //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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/////////////////////////////////////////////////////////////////////////////
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require_once('../config.php');
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require_once($CFG->dirroot.'/calendar/lib.php');
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require_once($CFG->dirroot.'/course/lib.php');
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require_once($CFG->dirroot.'/mod/forum/lib.php');
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require_login();
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$action = required_param('action', PARAM_ALPHA);
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$eventid = optional_param('id', 0, PARAM_INT);
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$eventtype = optional_param('type', 'select', PARAM_ALPHA);
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$urlcourse = optional_param('course', 0, PARAM_INT);
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$cal_y = optional_param('cal_y');
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$cal_m = optional_param('cal_m');
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$cal_d = optional_param('cal_d');
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if(isguest()) {
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// Guests cannot do anything with events
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redirect(CALENDAR_URL.'view.php?view=upcoming&course='.$urlcourse);
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}
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$focus = '';
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if(!$site = get_site()) {
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redirect($CFG->wwwroot.'/'.$CFG->admin.'/index.php');
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}
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$strcalendar = get_string('calendar', 'calendar');
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// Initialize the session variables
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calendar_session_vars();
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$now = usergetdate(time());
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$navlinks = array();
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$calendar_navlink = array('name' => $strcalendar,
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'link' =>calendar_get_link_href(CALENDAR_URL.'view.php?view=upcoming&course='.$urlcourse.'&',
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$now['mday'], $now['mon'], $now['year']),
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'type' => 'misc');
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$day = intval($now['mday']);
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$mon = intval($now['mon']);
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$yr = intval($now['year']);
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if ($usehtmleditor = can_use_richtext_editor()) {
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$defaultformat = FORMAT_HTML;
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} else {
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$defaultformat = FORMAT_MOODLE;
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}
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// If a course has been supplied in the URL, change the filters to show that one
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if($urlcourse > 0 && record_exists('course', 'id', $urlcourse)) {
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require_login($urlcourse, false);
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if($urlcourse == SITEID) {
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// If coming from the site page, show all courses
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$SESSION->cal_courses_shown = calendar_get_default_courses(true);
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calendar_set_referring_course(0);
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}
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else {
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// Otherwise show just this one
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$SESSION->cal_courses_shown = $urlcourse;
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calendar_set_referring_course($SESSION->cal_courses_shown);
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}
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}
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switch($action) {
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case 'delete':
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$title = get_string('deleteevent', 'calendar');
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$event = get_record('event', 'id', $eventid);
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if($event === false) {
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print_error('invalidevent');
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}
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if(!calendar_edit_event_allowed($event)) {
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print_error('nopermissions');
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}
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break;
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case 'edit':
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$title = get_string('editevent', 'calendar');
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$event = get_record('event', 'id', $eventid);
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$repeats = optional_param('repeats', 0, PARAM_INT);
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if($event === false) {
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print_error('invalidevent');
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}
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if(!calendar_edit_event_allowed($event)) {
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print_error('nopermissions');
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}
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if($form = data_submitted()) {
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$form->name = clean_param(strip_tags($form->name,'<lang><span>'), PARAM_CLEAN);
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$form->timestart = make_timestamp($form->startyr, $form->startmon, $form->startday, $form->starthr, $form->startmin);
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if($form->duration == 1) {
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$form->timeduration = make_timestamp($form->endyr, $form->endmon, $form->endday, $form->endhr, $form->endmin) - $form->timestart;
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if($form->timeduration < 0) {
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$form->timeduration = 0;
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}
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}
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else if($form->duration == 2) {
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$form->timeduration = $form->minutes * MINSECS;
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}
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else {
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$form->timeduration = 0;
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}
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validate_form($form, $err);
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if (count($err) == 0) {
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if($event->repeatid && $repeats) {
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// Update all
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if($form->timestart >= $event->timestart) {
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$timestartoffset = 'timestart + '.($form->timestart - $event->timestart);
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}
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else {
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$timestartoffset = 'timestart - '.($event->timestart - $form->timestart);
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}
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execute_sql('UPDATE '.$CFG->prefix.'event SET '.
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'name = '.$db->qstr($form->name).','.
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'description = '.$db->qstr($form->description).','.
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'timestart = '.$timestartoffset.','.
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'timeduration = '.$form->timeduration.','.
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'timemodified = '.time().' WHERE repeatid = '.$event->repeatid);
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/// Log the event update.
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$form->name = stripslashes($form->name); //To avoid double-slashes
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add_to_log($form->courseid, 'calendar', 'edit all', 'event.php?action=edit&id='.$form->id, $form->name);
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}
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else {
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// Update this
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$form->timemodified = time();
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update_record('event', $form);
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/// Log the event update.
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$form->name = stripslashes($form->name); //To avoid double-slashes
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add_to_log($form->courseid, 'calendar', 'edit', 'event.php?action=edit&id='.$form->id, $form->name);
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}
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// OK, now redirect to day view
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redirect(CALENDAR_URL.'view.php?view=day&course='.$urlcourse.'&cal_d='.$form->startday.'&cal_m='.$form->startmon.'&cal_y='.$form->startyr);
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}
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else {
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foreach ($err as $key => $value) {
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$focus = 'form.'.$key;
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}
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}
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}
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break;
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case 'new':
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$title = get_string('newevent', 'calendar');
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$form = data_submitted();
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if(!empty($form) && !empty($form->name)) {
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$form->name = clean_text(strip_tags($form->name, '<lang><span>'));
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$form->timestart = make_timestamp($form->startyr, $form->startmon, $form->startday, $form->starthr, $form->startmin);
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if($form->duration == 1) {
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$form->timeduration = make_timestamp($form->endyr, $form->endmon, $form->endday, $form->endhr, $form->endmin) - $form->timestart;
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if($form->timeduration < 0) {
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$form->timeduration = 0;
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}
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}
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else if ($form->duration == 2) {
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$form->timeduration = $form->minutes * MINSECS;
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}
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else {
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$form->timeduration = 0;
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}
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if(!calendar_add_event_allowed($form)) {
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print_error('nopermissions');
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}
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validate_form($form, $err);
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if (count($err) == 0) {
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$form->timemodified = time();
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/// Get the event id for the log record.
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$eventid = insert_record('event', $form, true);
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/// Use the event id as the repeatid to link repeat entries together
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if ($form->repeat) {
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$form->repeatid = $form->id = $eventid;
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update_record('event', $form); // update the row, to set its repeatid
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}
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/// Log the event entry.
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add_to_log($form->courseid, 'calendar', 'add', 'event.php?action=edit&id='.$eventid, stripslashes($form->name));
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if ($form->repeat) {
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for($i = 1; $i < $form->repeats; $i++) {
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// What's the DST offset for the previous repeat?
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$dst_offset_prev = dst_offset_on($form->timestart);
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$form->timestart += WEEKSECS;
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// If the offset has changed in the meantime, update this repeat accordingly
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$form->timestart += $dst_offset_prev - dst_offset_on($form->timestart);
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/// Get the event id for the log record.
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$eventid = insert_record('event', $form, true);
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/// Log the event entry.
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add_to_log($form->courseid, 'calendar', 'add', 'event.php?action=edit&id='.$eventid, stripslashes($form->name));
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}
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}
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// OK, now redirect to day view
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redirect(CALENDAR_URL.'view.php?view=day&course='.$urlcourse.'&cal_d='.$form->startday.'&cal_m='.$form->startmon.'&cal_y='.$form->startyr);
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}
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else {
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foreach ($err as $key => $value) {
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$focus = 'form.'.$key;
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}
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}
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}
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break;
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default: // no action
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$title='';
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break;
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}
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if (!empty($SESSION->cal_course_referer)) {
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// TODO: This is part of the Great $course Hack in Moodle. Replace it at some point.
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$course = get_record('course', 'id', $SESSION->cal_course_referer);
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} else {
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$course = $site;
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}
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require_login($course, false);
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$navlinks[] = $calendar_navlink;
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$navlinks[] = array('name' => $title, 'link' => null, 'type' => 'misc');
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$navigation = build_navigation($navlinks);
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print_header($site->shortname.': '.$strcalendar.': '.$title, $strcalendar, $navigation,
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'eventform.name', '', true, '', user_login_string($site));
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echo calendar_overlib_html();
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echo '<table id="calendar">';
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echo '<tr><td class="maincalendar">';
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switch($action) {
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case 'delete':
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$confirm = optional_param('confirm', 0, PARAM_INT);
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$repeats = optional_param('repeats', 0, PARAM_INT);
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if($confirm) {
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// Kill it and redirect to day view
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if(($event = get_record('event', 'id', $eventid)) !== false) {
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if($event->repeatid && $repeats) {
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delete_records('event', 'repeatid', $event->repeatid);
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add_to_log($event->courseid, 'calendar', 'delete all', '', $event->name);
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}
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else {
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delete_records('event', 'id', $eventid);
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add_to_log($event->courseid, 'calendar', 'delete', '', $event->name);
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}
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}
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redirect(CALENDAR_URL.'view.php?view=day&course='.$urlcourse.'&cal_d='.$_REQUEST['d'].'&cal_m='.$_REQUEST['m'].'&cal_y='.$_REQUEST['y']);
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}
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else {
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$eventtime = usergetdate($event->timestart);
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$m = $eventtime['mon'];
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$d = $eventtime['mday'];
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$y = $eventtime['year'];
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if($event->repeatid) {
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$fetch = get_record_sql('SELECT 1, COUNT(id) AS repeatcount FROM '.$CFG->prefix.'event WHERE repeatid = '.$event->repeatid);
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$repeatcount = $fetch->repeatcount;
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}
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else {
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$repeatcount = 0;
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}
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// Display confirmation form
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echo '<div class="header">'.get_string('deleteevent', 'calendar').': '.$event->name.'</div>';
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echo '<h2>'.get_string('confirmeventdelete', 'calendar').'</h2>';
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if($repeatcount > 1) {
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echo '<p>'.get_string('youcandeleteallrepeats', 'calendar', $repeatcount).'</p>';
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}
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echo '<div class="eventlist">';
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$event->time = calendar_format_event_time($event, time(), '', false);
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calendar_print_event($event);
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echo '</div>';
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include('event_delete.html');
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}
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break;
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case 'edit':
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if(empty($form)) {
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$form->name = $event->name;
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$form->courseid = $event->courseid; // Not to update, but for date validation
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$form->description = $event->description;
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$form->timestart = $event->timestart;
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$form->timeduration = $event->timeduration;
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$form->id = $event->id;
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$form->format = $defaultformat;
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if($event->timeduration > HOURSECS) {
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// More than one hour, so default to normal duration mode
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$form->duration = 1;
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$form->minutes = '';
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}
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else if($event->timeduration) {
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// Up to one hour, "minutes" mode probably is better here
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$form->duration = 2;
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$form->minutes = $event->timeduration / MINSECS;
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}
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else {
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// No duration
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$form->duration = 0;
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$form->minutes = '';
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}
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}
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if (!empty($form->courseid)) {
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// TODO: This is part of the Great $course Hack in Moodle. Replace it at some point.
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$course = get_record('course', 'id', $form->courseid);
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} else {
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$course = $site;
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}
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if($event->repeatid) {
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$fetch = get_record_sql('SELECT 1, COUNT(id) AS repeatcount FROM '.$CFG->prefix.'event WHERE repeatid = '.$event->repeatid);
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$repeatcount = $fetch->repeatcount;
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}
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else {
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$repeatcount = 0;
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}
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echo '<div class="header">'.get_string('editevent', 'calendar').'</div>';
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include('event_edit.html');
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if ($usehtmleditor) {
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use_html_editor("description");
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}
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break;
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case 'new':
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if($cal_y && $cal_m && $cal_d && checkdate($cal_m, $cal_d, $cal_y)) {
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$form->timestart = make_timestamp($cal_y, $cal_m, $cal_d, 0, 0, 0);
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}
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else if($cal_y && $cal_m && checkdate($cal_m, 1, $cal_y)) {
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if($cal_y == $now['year'] && $cal_m == $now['mon']) {
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$form->timestart = make_timestamp($cal_y, $cal_m, $now['mday'], 0, 0, 0);
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}
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else {
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$form->timestart = make_timestamp($cal_y, $cal_m, 1, 0, 0, 0);
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}
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}
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if(!isset($form->timestart) or $form->timestart < 0) {
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$form->timestart = time();
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}
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calendar_get_allowed_types($allowed);
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if(!$allowed->groups && !$allowed->courses && !$allowed->site) {
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// Take the shortcut
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$eventtype = 'user';
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}
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$header = '';
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switch($eventtype) {
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case 'user':
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$form->name = '';
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$form->description = '';
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$form->courseid = 0;
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$form->groupid = 0;
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$form->userid = $USER->id;
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$form->modulename = '';
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$form->eventtype = '';
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$form->instance = 0;
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$form->timeduration = 0;
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$form->duration = 0;
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$form->repeat = 0;
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$form->repeats = '';
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$form->minutes = '';
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$form->type = 'user';
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$header = get_string('typeuser', 'calendar');
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break;
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case 'group':
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$groupid = optional_param('groupid', 0, PARAM_INT);
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if (! ($group = groups_get_group($groupid))) { //TODO:check.
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calendar_get_allowed_types($allowed);
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$eventtype = 'select';
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}
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else {
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$form->name = '';
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$form->description = '';
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$form->courseid = $group->courseid;
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$form->groupid = $group->id;
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$form->userid = $USER->id;
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$form->modulename = '';
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$form->eventtype = '';
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$form->instance = 0;
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$form->timeduration = 0;
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$form->duration = 0;
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$form->repeat = 0;
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$form->repeats = '';
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$form->minutes = '';
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$form->type = 'group';
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$header = get_string('typegroup', 'calendar');
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}
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break;
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case 'course':
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$courseid = optional_param('courseid', 0, PARAM_INT);
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if(!record_exists('course', 'id', $courseid)) {
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calendar_get_allowed_types($allowed);
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$eventtype = 'select';
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}
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else {
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$form->name = '';
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$form->description = '';
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$form->courseid = $courseid;
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$form->groupid = 0;
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$form->userid = $USER->id;
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$form->modulename = '';
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$form->eventtype = '';
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$form->instance = 0;
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$form->timeduration = 0;
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$form->duration = 0;
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$form->repeat = 0;
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$form->repeats = '';
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$form->minutes = '';
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$form->type = 'course';
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$header = get_string('typecourse', 'calendar');
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}
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break;
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case 'site':
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$form->name = '';
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$form->description = '';
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$form->courseid = SITEID;
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$form->groupid = 0;
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$form->userid = $USER->id;
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$form->modulename = '';
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$form->eventtype = '';
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$form->instance = 0;
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$form->timeduration = 0;
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$form->duration = 0;
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$form->repeat = 0;
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$form->repeats = '';
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$form->minutes = '';
|
|
$form->type = 'site';
|
|
$header = get_string('typesite', 'calendar');
|
|
break;
|
|
case 'select':
|
|
break;
|
|
default:
|
|
print_error('unsupportedevent');
|
|
}
|
|
|
|
$form->format = $defaultformat;
|
|
if(!empty($header)) {
|
|
$header = ' ('.$header.')';
|
|
}
|
|
|
|
echo '<div class="header">'.get_string('newevent', 'calendar').$header.'</div>';
|
|
|
|
if($eventtype == 'select') {
|
|
$courseid = optional_param('courseid', $SESSION->cal_course_referer, PARAM_INT);
|
|
if ($courseid == 0) { // workaround by Dan for bug #6130
|
|
$courseid = SITEID;
|
|
}
|
|
if (!$course = get_record('course', 'id', $courseid)) {
|
|
print_error('invalidcourse');
|
|
}
|
|
|
|
$groupid = groups_get_course_group($course);
|
|
|
|
echo '<h2>'.get_string('eventkind', 'calendar').':</h2>';
|
|
echo '<div id="selecteventtype">';
|
|
include('event_select.html');
|
|
echo '</div>';
|
|
}
|
|
else {
|
|
include('event_new.html');
|
|
if ($usehtmleditor) {
|
|
use_html_editor("description");
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
echo '</td>';
|
|
|
|
// START: Last column (3-month display)
|
|
|
|
$defaultcourses = calendar_get_default_courses();
|
|
//calendar_set_filters($courses, $groups, $users, $defaultcourses, $defaultcourses);
|
|
|
|
// when adding an event you can not be a guest, so I think it's reasonalbe to ignore defaultcourses
|
|
// MDL-10353
|
|
calendar_set_filters($courses, $groups, $users);
|
|
list($prevmon, $prevyr) = calendar_sub_month($mon, $yr);
|
|
list($nextmon, $nextyr) = calendar_add_month($mon, $yr);
|
|
|
|
echo '<td class="sidecalendar">';
|
|
echo '<div class="sideblock">';
|
|
echo '<div class="header">'.get_string('eventskey', 'calendar').'</div>';
|
|
echo '<div class="filters">';
|
|
echo calendar_filter_controls('event', 'action='.$action.'&type='.$eventtype.'&id='.$eventid);
|
|
echo '</div>';
|
|
echo '</div>';
|
|
|
|
echo '<div class="sideblock">';
|
|
echo '<div class="header">'.get_string('monthlyview', 'calendar').'</div>';
|
|
echo '<div class="minicalendarblock minicalendartop">';
|
|
echo calendar_top_controls('display', array('id' => $urlcourse, 'm' => $prevmon, 'y' => $prevyr));
|
|
echo calendar_get_mini($courses, $groups, $users, $prevmon, $prevyr);
|
|
echo '</div><div class="minicalendarblock">';
|
|
echo calendar_top_controls('display', array('id' => $urlcourse, 'm' => $mon, 'y' => $yr));
|
|
echo calendar_get_mini($courses, $groups, $users, $mon, $yr);
|
|
echo '</div><div class="minicalendarblock">';
|
|
echo calendar_top_controls('display', array('id' => $urlcourse, 'm' => $nextmon, 'y' => $nextyr));
|
|
echo calendar_get_mini($courses, $groups, $users, $nextmon, $nextyr);
|
|
echo '</div>';
|
|
echo '</div>';
|
|
|
|
echo '</td>';
|
|
echo '</tr></table>';
|
|
|
|
print_footer();
|
|
|
|
|
|
function validate_form(&$form, &$err) {
|
|
|
|
$form->name = trim($form->name);
|
|
$form->description = trim($form->description);
|
|
|
|
if(empty($form->name)) {
|
|
$err['name'] = get_string('errornoeventname', 'calendar');
|
|
}
|
|
/* Allow events without a description
|
|
if(empty($form->description)) {
|
|
$err['description'] = get_string('errornodescription', 'calendar');
|
|
}
|
|
*/
|
|
if(!checkdate($form->startmon, $form->startday, $form->startyr)) {
|
|
$err['timestart'] = get_string('errorinvaliddate', 'calendar');
|
|
}
|
|
if($form->duration == 2 and !checkdate($form->endmon, $form->endday, $form->endyr)) {
|
|
$err['timeduration'] = get_string('errorinvaliddate', 'calendar');
|
|
}
|
|
if($form->duration == 2 and !($form->minutes > 0 and $form->minutes < 1000)) {
|
|
$err['minutes'] = get_string('errorinvalidminutes', 'calendar');
|
|
}
|
|
if (!empty($form->repeat) and !($form->repeats > 1 and $form->repeats < 100)) {
|
|
$err['repeats'] = get_string('errorinvalidrepeats', 'calendar');
|
|
}
|
|
if(!empty($form->courseid)) {
|
|
// Timestamps must be >= course startdate
|
|
$course = get_record('course', 'id', $form->courseid);
|
|
if($course === false) {
|
|
print_error('invalidcourse');
|
|
}
|
|
else if($form->timestart < $course->startdate) {
|
|
$err['timestart'] = get_string('errorbeforecoursestart', 'calendar');
|
|
}
|
|
}
|
|
}
|
|
|
|
function calendar_add_event_allowed($event) {
|
|
global $USER;
|
|
|
|
// can not be using guest account
|
|
if (empty($USER->id) or $USER->username == 'guest') {
|
|
return false;
|
|
}
|
|
|
|
$sitecontext = get_context_instance(CONTEXT_SYSTEM);
|
|
// if user has manageentries at site level, always return true
|
|
if (has_capability('moodle/calendar:manageentries', $sitecontext)) {
|
|
return true;
|
|
}
|
|
|
|
switch ($event->type) {
|
|
case 'course':
|
|
return has_capability('moodle/calendar:manageentries', get_context_instance(CONTEXT_COURSE, $event->courseid));
|
|
|
|
case 'group':
|
|
// Allow users to add/edit group events if:
|
|
// 1) They have manageentries (= entries for whole course)
|
|
// 2) They have managegroupentries AND are in the group
|
|
$group = get_record('groups', 'id', $event->groupid);
|
|
return $group && (
|
|
has_capability('moodle/calendar:manageentries', get_context_instance(CONTEXT_COURSE, $group->courseid)) ||
|
|
(has_capability('moodle/calendar:managegroupentries', get_context_instance(CONTEXT_COURSE, $group->courseid))
|
|
&& groups_is_member($event->groupid)));
|
|
|
|
case 'user':
|
|
if ($event->userid == $USER->id) {
|
|
return (has_capability('moodle/calendar:manageownentries', $sitecontext));
|
|
}
|
|
//there is no 'break;' intentionally
|
|
|
|
case 'site':
|
|
return has_capability('moodle/calendar:manageentries', get_context_instance(CONTEXT_COURSE, SITEID));
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
?>
|