1<?php
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/>.
16
17/**
18 * The mform for creating and editing a rule.
19 *
20 * @copyright 2014 onwards Simey Lameze <lameze@gmail.com>
21 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
22 * @package   tool_monitor
23 */
24
25namespace tool_monitor;
26
27require_once($CFG->dirroot.'/lib/formslib.php');
28
29/**
30 * The mform for creating and editing a rule.
31 *
32 * @since     Moodle 2.8
33 * @copyright 2014 onwards Simey Lameze <lameze@gmail.com>
34 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
35 * @package   tool_monitor
36 */
37class rule_form extends \moodleform {
38
39    /**
40     * Mform class definition
41     *
42     */
43    public function definition () {
44        $mform = $this->_form;
45        $eventlist = $this->_customdata['eventlist'];
46        $pluginlist = $this->_customdata['pluginlist'];
47        $rule = $this->_customdata['rule'];
48        $courseid = $this->_customdata['courseid'];
49        $subscriptioncount = $this->_customdata['subscriptioncount'];
50
51        // General section header.
52        $mform->addElement('header', 'general', get_string('general'));
53
54        // Hidden course ID.
55        $mform->addElement('hidden', 'courseid');
56        $mform->setType('courseid', PARAM_INT);
57
58        // We are editing a existing rule.
59        if (!empty($rule->id)) {
60            // Hidden rule id.
61            $mform->addElement('hidden', 'ruleid');
62            $mform->setType('ruleid', PARAM_INT);
63            $mform->setConstant('ruleid', $rule->id);
64
65            // Force course id.
66            $courseid = $rule->courseid;
67        }
68
69        // Make course id a constant.
70        $mform->setConstant('courseid', $courseid);
71
72        if (empty($courseid)) {
73            $context = \context_system::instance();
74        } else {
75            $context = \context_course::instance($courseid);
76        }
77
78        $editoroptions = array(
79            'subdirs' => 0,
80            'maxbytes' => 0,
81            'maxfiles' => 0,
82            'changeformat' => 0,
83            'context' => $context,
84            'noclean' => 0,
85            'trusttext' => 0
86        );
87
88        // Name field.
89        $mform->addElement('text', 'name', get_string('rulename', 'tool_monitor'), 'size="50"');
90        $mform->addRule('name', get_string('required'), 'required');
91        $mform->setType('name', PARAM_TEXT);
92
93        // Plugin field.
94        $mform->addElement('select', 'plugin', get_string('areatomonitor', 'tool_monitor'), $pluginlist);
95        $mform->addRule('plugin', get_string('required'), 'required');
96
97        // Event field.
98        $mform->addElement('select', 'eventname', get_string('event', 'tool_monitor'), $eventlist);
99        $mform->addRule('eventname', get_string('required'), 'required');
100
101        // Freeze plugin and event fields for editing if there's a subscription for this rule.
102        if ($subscriptioncount > 0) {
103            $mform->freeze('plugin');
104            $mform->setConstant('plugin', $rule->plugin);
105            $mform->freeze('eventname');
106            $mform->setConstant('eventname', $rule->eventname);
107        }
108
109        // Description field.
110        $mform->addElement('editor', 'description', get_string('description'), $editoroptions);
111
112        // Filters.
113        $freq = array(1 => 1, 5 => 5, 10 => 10, 20 => 20, 30 => 30, 40 => 40, 50 => 50, 60 => 60, 70 => 70, 80 => 80, 90 => 90,
114                100 => 100, 1000 => 1000);
115        $mform->addElement('select', 'frequency', get_string('frequency', 'tool_monitor'), $freq);
116        $mform->addRule('frequency', get_string('required'), 'required');
117        $mform->addHelpButton('frequency', 'frequency', 'tool_monitor');
118
119        $mins = array(1 => 1, 5 => 5, 10 => 10, 15 => 15, 20 => 20, 25 => 25, 30 => 30, 35 => 35, 40 => 40, 45 => 45, 50 => 50,
120                55 => 55,  60 => 60);
121        $mform->addElement('select', 'minutes', get_string('inminutes', 'tool_monitor'), $mins);
122        $mform->addRule('minutes', get_string('required'), 'required');
123
124        // Message template.
125        $mform->addElement('editor', 'template', get_string('messagetemplate', 'tool_monitor'), $editoroptions);
126        $mform->setDefault('template', array('text' => get_string('defaultmessagetemplate', 'tool_monitor'),
127                'format' => FORMAT_HTML));
128        $mform->addRule('template', get_string('required'), 'required');
129        $mform->addHelpButton('template', 'messagetemplate', 'tool_monitor');
130
131        // Action buttons.
132        $this->add_action_buttons(true, get_string('savechanges'));
133    }
134
135    /**
136     * Form validation
137     *
138     * @param array $data data from the form.
139     * @param array $files files uploaded.
140     *
141     * @return array of errors.
142     */
143    public function validation($data, $files) {
144        $errors = parent::validation($data, $files);
145
146        if (!eventlist::validate_event_plugin($data['plugin'], $data['eventname'])) {
147            $errors['eventname'] = get_string('errorincorrectevent', 'tool_monitor');
148        }
149
150        return $errors;
151    }
152}