[moodle.git] / calendar / view.php

<?php

/////////////////////////////////////////////////////////////////////////////
//                                                                         //
// NOTICE OF COPYRIGHT                                                     //
//                                                                         //
// Moodle - Calendar extension                                             //
//                                                                         //
// Copyright (C) 2003-2004  Greek School Network            www.sch.gr     //
//                                                                         //
// Designed by:                                                            //
//     Avgoustos Tsinakos (tsinakos@teikav.edu.gr)                         //
//     Jon Papaioannou (pj@moodle.org)                                     //
//                                                                         //
// Programming and development:                                            //
//     Jon Papaioannou (pj@moodle.org)                                     //
//                                                                         //
// For bugs, suggestions, etc contact:                                     //
//     Jon Papaioannou (pj@moodle.org)                                     //
//                                                                         //
// The current module was developed at the University of Macedonia         //
// (www.uom.gr) under the funding of the Greek School Network (www.sch.gr) //
// The aim of this project is to provide additional and improved           //
// functionality to the Asynchronous Distance Education service that the   //
// Greek School Network deploys.                                           //
//                                                                         //
// 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                           //
//                                                                         //
/////////////////////////////////////////////////////////////////////////////

//  Display the calendar page.

require_once('../config.php');
require_once($CFG->dirroot.'/course/lib.php');
require_once($CFG->dirroot.'/calendar/lib.php');

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

$site = get_site();

$url = new moodle_url('/calendar/view.php');
if ($courseid !== 0) {
    $url->param('course', $courseid);
}
if ($view !== 'upcoming') {
    $url->param('view', $view);
}
if ($day !== 0) {
    $url->param('cal_d', $day);
}
if ($mon !== 0) {
    $url->param('cal_m', $mon);
}
if ($yr !== 0) {
    $url->param('cal_y', $yr);
}
$PAGE->set_url($url);

//TODO: the courseid handling in /calendar/ is a bloody mess!!!

if ($courseid && $courseid != SITEID) {
    require_login($courseid);
} else if ($CFG->forcelogin) {
    $PAGE->set_context(get_context_instance(CONTEXT_SYSTEM)); //TODO: wrong
    require_login();
} else {
    $PAGE->set_context(get_context_instance(CONTEXT_SYSTEM)); //TODO: wrong
}

$calendar = new calendar_information($day, $mon, $yr);
$calendar->courseid = $courseid;

// 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 = '';

$strcalendar = get_string('calendar', 'calendar');

$link = calendar_get_link_href(new moodle_url(CALENDAR_URL.'view.php', array('view'=>'upcoming', 'course'=>$courseid)),
                               $now['mday'], $now['mon'], $now['year']);
$PAGE->navbar->add($strcalendar, $link);

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':
        $PAGE->navbar->add(userdate($time, get_string('strftimedate')));
        $pagetitle = get_string('dayview', 'calendar');
    break;
    case 'month':
        $PAGE->navbar->add(userdate($time, get_string('strftimemonthyear')));
        $pagetitle = get_string('detailedmonthview', 'calendar');
    break;
    case 'upcoming':
        $pagetitle = get_string('upcomingevents', 'calendar');
    break;
}
// If a course has been supplied in the URL, change the filters to show that one
if (!empty($courseid)) {
    if ($course = $DB->get_record('course', array('id'=>$courseid))) {
        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 (!isloggedin() or isguestuser()) {
    $defaultcourses = calendar_get_default_courses();
    calendar_set_filters($calendar->courses, $calendar->groups, $calendar->users, $defaultcourses, $defaultcourses);
} else {
    calendar_set_filters($calendar->courses, $calendar->groups, $calendar->users);
}
// Let's see if we are supposed to provide a referring course link
// but NOT for the "main page" course
if ($SESSION->cal_course_referer != SITEID &&
   ($shortname = $DB->get_field('course', 'shortname', array('id'=>$SESSION->cal_course_referer))) !== false) {
    require_login(); //TODO: very wrong!!
    if (empty($course)) {
        $course = $DB->get_record('course', array('id'=>$SESSION->cal_course_referer)); // Useful to have around
    }
}

$strcalendar = get_string('calendar', 'calendar');
$prefsbutton = calendar_preferences_button();

// Print title and header
$PAGE->set_title("$site->shortname: $strcalendar: $pagetitle");
$PAGE->set_heading($COURSE->fullname);
$PAGE->set_button($prefsbutton);
$PAGE->set_pagelayout('standard');

$renderer = $PAGE->get_renderer('core_calendar');
$calendar->add_sidecalendar_blocks($renderer, true, $view);

echo $OUTPUT->header();
echo $renderer->start_layout();
echo html_writer::start_tag('div', array('class'=>'heightcontainer'));

switch($view) {
    case 'day':
        echo $renderer->show_day($calendar);
    break;
    case 'month':
        echo $renderer->show_month_detailed($calendar);
    break;
    case 'upcoming':
        echo $renderer->show_upcoming_events($calendar, get_user_preferences('calendar_lookahead', CALENDAR_UPCOMING_DAYS), get_user_preferences('calendar_maxevents', CALENDAR_UPCOMING_MAXEVENTS));
    break;
}

//Link to calendar export page
echo $OUTPUT->container_start('bottom');
if (!empty($CFG->enablecalendarexport)) {
    echo $OUTPUT->single_button(new moodle_url('export.php', array('course'=>$courseid)), get_string('exportcalendar', 'calendar'));
    if (isloggedin()) {
        $authtoken = sha1($USER->username . $USER->password . $CFG->calendar_exportsalt);
        $link = new moodle_url('/calendar/export_execute.php', array('preset_what'=>'all', 'prest_time'=>'recentupcoming', 'username'=>$USER->username, 'authtoken'=>$authtoken));
        $icon = html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('i/ical'), 'height'=>'14', 'width'=>'36', 'alt'=>get_string('ical', 'calendar'), 'title'=>get_string('quickdownloadcalendar', 'calendar')));
        echo html_writer::tag('a', $icon, array('href'=>$link));
    }
}
echo $OUTPUT->container_end();
echo html_writer::end_tag('div');
echo $renderer->complete_layout();
echo $OUTPUT->footer();
Commit	Line	Data
93c91ee4	1	<?php
7423f116	2
	3	/////////////////////////////////////////////////////////////////////////////
	4	// //
	5	// NOTICE OF COPYRIGHT //
	6	// //
	7	// Moodle - Calendar extension //
	8	// //
	9	// Copyright (C) 2003-2004 Greek School Network www.sch.gr //
	10	// //
	11	// Designed by: //
bdcb26b7	12	// Avgoustos Tsinakos (tsinakos@teikav.edu.gr) //
bdcb26b7	13	// Jon Papaioannou (pj@moodle.org) //
7423f116	14	// //
7423f116	15	// Programming and development: //
bdcb26b7	16	// Jon Papaioannou (pj@moodle.org) //
7423f116	17	// //
7423f116	18	// For bugs, suggestions, etc contact: //
bdcb26b7	19	// Jon Papaioannou (pj@moodle.org) //
7423f116	20	// //
	21	// The current module was developed at the University of Macedonia //
	22	// (www.uom.gr) under the funding of the Greek School Network (www.sch.gr) //
	23	// The aim of this project is to provide additional and improved //
	24	// functionality to the Asynchronous Distance Education service that the //
	25	// Greek School Network deploys. //
	26	// //
	27	// This program is free software; you can redistribute it and/or modify //
	28	// it under the terms of the GNU General Public License as published by //
	29	// the Free Software Foundation; either version 2 of the License, or //
	30	// (at your option) any later version. //
	31	// //
	32	// This program is distributed in the hope that it will be useful, //
	33	// but WITHOUT ANY WARRANTY; without even the implied warranty of //
	34	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
	35	// GNU General Public License for more details: //
	36	// //
	37	// http://www.gnu.org/copyleft/gpl.html //
	38	// //
	39	/////////////////////////////////////////////////////////////////////////////
	40
	41	// Display the calendar page.
	42
93c91ee4	43	require_once('../config.php');
	44	require_once($CFG->dirroot.'/course/lib.php');
	45	require_once($CFG->dirroot.'/calendar/lib.php');
707fbef4	46
93c91ee4	47	$courseid = optional_param('course', 0, PARAM_INT);
	48	$view = optional_param('view', 'upcoming', PARAM_ALPHA);
	49	$day = optional_param('cal_d', 0, PARAM_INT);
	50	$mon = optional_param('cal_m', 0, PARAM_INT);
	51	$yr = optional_param('cal_y', 0, PARAM_INT);
7423f116	52
2a250a0b	53	$site = get_site();
7423f116	54
a6855934	55	$url = new moodle_url('/calendar/view.php');
93c91ee4	56	if ($courseid !== 0) {
	57	$url->param('course', $courseid);
	58	}
	59	if ($view !== 'upcoming') {
	60	$url->param('view', $view);
	61	}
	62	if ($day !== 0) {
	63	$url->param('cal_d', $day);
	64	}
	65	if ($mon !== 0) {
	66	$url->param('cal_m', $mon);
	67	}
	68	if ($yr !== 0) {
	69	$url->param('cal_y', $yr);
	70	}
	71	$PAGE->set_url($url);
c9c9fb90	72
ca74470c PS	73	//TODO: the courseid handling in /calendar/ is a bloody mess!!!
ca74470c PS	74
9b610c98	75	if ($courseid && $courseid != SITEID) {
93c91ee4	76	require_login($courseid);
93c91ee4	77	} else if ($CFG->forcelogin) {
ca74470c	78	$PAGE->set_context(get_context_instance(CONTEXT_SYSTEM)); //TODO: wrong
93c91ee4	79	require_login();
ca74470c PS	80	} else {
ca74470c PS	81	$PAGE->set_context(get_context_instance(CONTEXT_SYSTEM)); //TODO: wrong
93c91ee4	82	}
2d4fb02f	83
36dc3b71 SH	84	$calendar = new calendar_information($day, $mon, $yr);
	85	$calendar->courseid = $courseid;
	86
93c91ee4	87	// Initialize the session variables
93c91ee4	88	calendar_session_vars();
37d87d11	89
93c91ee4	90	//add_to_log($course->id, "course", "view", "view.php?id=$course->id", "$course->id");
	91	$now = usergetdate(time());
	92	$pagetitle = '';
7423f116	93
93c91ee4	94	$strcalendar = get_string('calendar', 'calendar');
7423f116	95
0f927f1e	96	$link = calendar_get_link_href(new moodle_url(CALENDAR_URL.'view.php', array('view'=>'upcoming', 'course'=>$courseid)),
93c91ee4	97	$now['mday'], $now['mon'], $now['year']);
0f927f1e	98	$PAGE->navbar->add($strcalendar, $link);
93c91ee4	99
	100	if(!checkdate($mon, $day, $yr)) {
	101	$day = intval($now['mday']);
	102	$mon = intval($now['mon']);
	103	$yr = intval($now['year']);
	104	}
	105	$time = make_timestamp($yr, $mon, $day);
	106
	107	switch($view) {
	108	case 'day':
	109	$PAGE->navbar->add(userdate($time, get_string('strftimedate')));
	110	$pagetitle = get_string('dayview', 'calendar');
	111	break;
	112	case 'month':
	113	$PAGE->navbar->add(userdate($time, get_string('strftimemonthyear')));
	114	$pagetitle = get_string('detailedmonthview', 'calendar');
	115	break;
	116	case 'upcoming':
	117	$pagetitle = get_string('upcomingevents', 'calendar');
	118	break;
	119	}
93c91ee4	120	// If a course has been supplied in the URL, change the filters to show that one
	121	if (!empty($courseid)) {
	122	if ($course = $DB->get_record('course', array('id'=>$courseid))) {
	123	if ($course->id == SITEID) {
	124	// If coming from the home page, show all courses
	125	$SESSION->cal_courses_shown = calendar_get_default_courses(true);
	126	calendar_set_referring_course(0);
	127
	128	} else {
	129	// Otherwise show just this one
	130	$SESSION->cal_courses_shown = $course->id;
	131	calendar_set_referring_course($SESSION->cal_courses_shown);
227bc46b	132	}
227bc46b	133	}
93c91ee4	134	} else {
	135	$course = null;
	136	}
4f0c2d00	137	if (!isloggedin() or isguestuser()) {
93c91ee4	138	$defaultcourses = calendar_get_default_courses();
36dc3b71	139	calendar_set_filters($calendar->courses, $calendar->groups, $calendar->users, $defaultcourses, $defaultcourses);
93c91ee4	140	} else {
36dc3b71	141	calendar_set_filters($calendar->courses, $calendar->groups, $calendar->users);
93c91ee4	142	}
93c91ee4	143	// Let's see if we are supposed to provide a referring course link
	144	// but NOT for the "main page" course
	145	if ($SESSION->cal_course_referer != SITEID &&
	146	($shortname = $DB->get_field('course', 'shortname', array('id'=>$SESSION->cal_course_referer))) !== false) {
ca74470c	147	require_login(); //TODO: very wrong!!
93c91ee4	148	if (empty($course)) {
93c91ee4	149	$course = $DB->get_record('course', array('id'=>$SESSION->cal_course_referer)); // Useful to have around
7423f116	150	}
93c91ee4	151	}
7423f116	152
93c91ee4	153	$strcalendar = get_string('calendar', 'calendar');
93c91ee4	154	$prefsbutton = calendar_preferences_button();
1e1ff33b	155
93c91ee4	156	// Print title and header
93c91ee4	157	$PAGE->set_title("$site->shortname: $strcalendar: $pagetitle");
bd08a24a	158	$PAGE->set_heading($COURSE->fullname);
93c91ee4	159	$PAGE->set_button($prefsbutton);
36dc3b71	160	$PAGE->set_pagelayout('standard');
f22f1333	161
36dc3b71 SH	162	$renderer = $PAGE->get_renderer('core_calendar');
36dc3b71 SH	163	$calendar->add_sidecalendar_blocks($renderer, true, $view);
7423f116	164
36dc3b71 SH	165	echo $OUTPUT->header();
	166	echo $renderer->start_layout();
	167	echo html_writer::start_tag('div', array('class'=>'heightcontainer'));
7423f116	168
93c91ee4	169	switch($view) {
93c91ee4	170	case 'day':
36dc3b71	171	echo $renderer->show_day($calendar);
93c91ee4	172	break;
93c91ee4	173	case 'month':
36dc3b71	174	echo $renderer->show_month_detailed($calendar);
93c91ee4	175	break;
93c91ee4	176	case 'upcoming':
36dc3b71	177	echo $renderer->show_upcoming_events($calendar, get_user_preferences('calendar_lookahead', CALENDAR_UPCOMING_DAYS), get_user_preferences('calendar_maxevents', CALENDAR_UPCOMING_MAXEVENTS));
93c91ee4	178	break;
93c91ee4	179	}
3c49918a	180
93c91ee4	181	//Link to calendar export page
	182	echo $OUTPUT->container_start('bottom');
	183	if (!empty($CFG->enablecalendarexport)) {
5c2ed7e2	184	echo $OUTPUT->single_button(new moodle_url('export.php', array('course'=>$courseid)), get_string('exportcalendar', 'calendar'));
4f0c2d00	185	if (isloggedin()) {
93c91ee4	186	$authtoken = sha1($USER->username . $USER->password . $CFG->calendar_exportsalt);
36dc3b71 SH	187	$link = new moodle_url('/calendar/export_execute.php', array('preset_what'=>'all', 'prest_time'=>'recentupcoming', 'username'=>$USER->username, 'authtoken'=>$authtoken));
	188	$icon = html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('i/ical'), 'height'=>'14', 'width'=>'36', 'alt'=>get_string('ical', 'calendar'), 'title'=>get_string('quickdownloadcalendar', 'calendar')));
	189	echo html_writer::tag('a', $icon, array('href'=>$link));
ea185313	190	}
93c91ee4	191	}
93c91ee4	192	echo $OUTPUT->container_end();
36dc3b71 SH	193	echo html_writer::end_tag('div');
36dc3b71 SH	194	echo $renderer->complete_layout();
93c91ee4	195	echo $OUTPUT->footer();