MDL-60558 block_calendar_upcoming: Render the template when no events
[moodle.git] / blocks / calendar_upcoming / block_calendar_upcoming.php
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4ca6cfbf 1<?php
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2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
0f3fe4b6 16
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17/**
18 * Handles displaying the calendar upcoming events block.
19 *
20 * @package block_calendar_upcoming
21 * @copyright 2004 Eloy Lafuente (stronk7) {@link http://stronk7.com}
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
e89d741a 24class block_calendar_upcoming extends block_base {
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25
26 /**
27 * Initialise the block.
28 */
29 public function init() {
b885c02a 30 $this->title = get_string('pluginname', 'block_calendar_upcoming');
89adb174 31 }
32
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33 /**
34 * Return the content of this block.
35 *
36 * @return stdClass the content
37 */
38 public function get_content() {
39 global $CFG;
0f3fe4b6 40
41 require_once($CFG->dirroot.'/calendar/lib.php');
42
bb74cdfe 43 if ($this->content !== null) {
0f3fe4b6 44 return $this->content;
45 }
9b4b78fd 46 $this->content = new stdClass;
0f3fe4b6 47 $this->content->text = '';
0f3fe4b6 48
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49 $renderer = $this->page->get_renderer('core_calendar');
50 $courseid = $this->page->course->id;
51 $issite = ($courseid == SITEID);
52
53 if ($issite) {
54 // Being displayed at site level. This will cause the filter to fall back to auto-detecting
55 // the list of courses it will be grabbing events from.
56 $course = get_site();
57 $courses = calendar_get_default_courses();
675dbdd9 58 } else {
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59 // Forcibly filter events to include only those from the particular course we are in.
60 $course = $this->page->course;
61 $courses = [$course->id => $course];
0f3fe4b6 62 }
522b84be 63 $calendar = new calendar_information(0, 0, 0, time());
d523cbcb 64 $calendar->set_sources($course, $courses, $this->page->category);
0f3fe4b6 65
522b84be 66 list($data, $template) = calendar_get_view($calendar, 'upcoming_mini');
0f3fe4b6 67
43caf021 68 $this->content->text .= $renderer->render_from_template($template, $data);
0f3fe4b6 69
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70 $this->content->footer = '<div class="gotocal">
71 <a href="'.$CFG->wwwroot.'/calendar/view.php?view=upcoming&amp;course='.$courseid.'">'.
72 get_string('gotocalendar', 'calendar').'</a>...</div>';
12cbce0a 73
522b84be 74 return $this->content;
12cbce0a 75 }
0f3fe4b6 76}