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add_form.php
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add_form.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This file contains the forms to add
*
* @package mod_attendance
* @copyright 2011 Artem Andreev <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once($CFG->libdir.'/formslib.php');
/**
* class for displaying add form.
*
* @copyright 2011 Artem Andreev <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_attendance_add_form extends moodleform {
/**
* Called to define this moodle form
*
* @return void
*/
public function definition() {
global $CFG, $USER;
$mform =& $this->_form;
$course = $this->_customdata['course'];
$cm = $this->_customdata['cm'];
$modcontext = $this->_customdata['modcontext'];
$mform->addElement('header', 'general', get_string('addsession', 'attendance'));
$groupmode = groups_get_activity_groupmode($cm);
switch ($groupmode) {
case NOGROUPS:
$mform->addElement('static', 'sessiontypedescription', get_string('sessiontype', 'attendance'),
get_string('commonsession', 'attendance'));
$mform->addHelpButton('sessiontypedescription', 'sessiontype', 'attendance');
$mform->addElement('hidden', 'sessiontype', attendance::SESSION_COMMON);
$mform->setType('sessiontype', PARAM_INT);
break;
case SEPARATEGROUPS:
$mform->addElement('static', 'sessiontypedescription', get_string('sessiontype', 'attendance'),
get_string('groupsession', 'attendance'));
$mform->addHelpButton('sessiontypedescription', 'sessiontype', 'attendance');
$mform->addElement('hidden', 'sessiontype', attendance::SESSION_GROUP);
$mform->setType('sessiontype', PARAM_INT);
break;
case VISIBLEGROUPS:
$radio=array();
$radio[] = &$mform->createElement('radio', 'sessiontype', '',
get_string('commonsession', 'attendance'), attendance::SESSION_COMMON);
$radio[] = &$mform->createElement('radio', 'sessiontype', '',
get_string('groupsession', 'attendance'), attendance::SESSION_GROUP);
$mform->addGroup($radio, 'sessiontype', get_string('sessiontype', 'attendance'), ' ', false);
$mform->setType('sessiontype', PARAM_INT);
$mform->addHelpButton('sessiontype', 'sessiontype', 'attendance');
$mform->setDefault('sessiontype', attendance::SESSION_COMMON);
break;
}
if ($groupmode == SEPARATEGROUPS or $groupmode == VISIBLEGROUPS) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $modcontext)) {
$groups = groups_get_all_groups ($course->id, $USER->id, $cm->groupingid);
} else {
$groups = groups_get_all_groups($course->id, 0, $cm->groupingid);
}
if ($groups) {
$selectgroups = array();
foreach ($groups as $group) {
$selectgroups[$group->id] = $group->name;
}
$select = &$mform->addElement('select', 'groups', get_string('groups', 'group'), $selectgroups);
$select->setMultiple(true);
$mform->disabledIf('groups', 'sessiontype', 'neq', attendance::SESSION_GROUP);
} else {
if ($groupmode == VISIBLEGROUPS) {
$mform->updateElementAttr($radio, array('disabled'=>'disabled'));
}
$mform->addElement('static', 'groups', get_string('groups', 'group'),
get_string('nogroups', 'attendance'));
if ($groupmode == SEPARATEGROUPS) {
return;
}
}
}
$mform->addElement('checkbox', 'addmultiply', '', get_string('createmultiplesessions', 'attendance'));
$mform->addHelpButton('addmultiply', 'createmultiplesessions', 'attendance');
// Students can mark own attendance.
$mform->addElement('checkbox', 'studentscanmark', '', get_string('studentscanmark','attendance'));
$mform->addHelpButton('studentscanmark', 'studentscanmark', 'attendance');
$mform->addElement('date_time_selector', 'sessiondate', get_string('sessiondate', 'attendance'));
for ($i=0; $i<=23; $i++) {
$hours[$i] = sprintf("%02d", $i);
}
for ($i=0; $i<60; $i+=5) {
$minutes[$i] = sprintf("%02d", $i);
}
$durtime = array();
$durtime[] =& $mform->createElement('select', 'hours', get_string('hour', 'form'), $hours, false, true);
$durtime[] =& $mform->createElement('select', 'minutes', get_string('minute', 'form'), $minutes, false, true);
$mform->addGroup($durtime, 'durtime', get_string('duration', 'attendance'), array(' '), true);
$mform->addElement('date_selector', 'sessionenddate', get_string('sessionenddate', 'attendance'));
$mform->disabledIf('sessionenddate', 'addmultiply', 'notchecked');
$sdays = array();
if ($CFG->calendar_startwday === '0') { // Week start from sunday.
$sdays[] =& $mform->createElement('checkbox', 'Sun', '', get_string('sunday', 'calendar'));
}
$sdays[] =& $mform->createElement('checkbox', 'Mon', '', get_string('monday', 'calendar'));
$sdays[] =& $mform->createElement('checkbox', 'Tue', '', get_string('tuesday', 'calendar'));
$sdays[] =& $mform->createElement('checkbox', 'Wed', '', get_string('wednesday', 'calendar'));
$sdays[] =& $mform->createElement('checkbox', 'Thu', '', get_string('thursday', 'calendar'));
$sdays[] =& $mform->createElement('checkbox', 'Fri', '', get_string('friday', 'calendar'));
$sdays[] =& $mform->createElement('checkbox', 'Sat', '', get_string('saturday', 'calendar'));
if ($CFG->calendar_startwday !== '0') { // Week start from sunday.
$sdays[] =& $mform->createElement('checkbox', 'Sun', '', get_string('sunday', 'calendar'));
}
$mform->addGroup($sdays, 'sdays', get_string('sessiondays', 'attendance'), array(' '), true);
$mform->disabledIf('sdays', 'addmultiply', 'notchecked');
$period = array(1=>1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36);
$periodgroup = array();
$periodgroup[] =& $mform->createElement('select', 'period', '', $period, false, true);
$periodgroup[] =& $mform->createElement('static', 'perioddesc', '', get_string('week', 'attendance'));
$mform->addGroup($periodgroup, 'periodgroup', get_string('period', 'attendance'), array(' '), false);
$mform->disabledIf('periodgroup', 'addmultiply', 'notchecked');
$mform->addElement('editor', 'sdescription', get_string('description', 'attendance'),
null, array('maxfiles'=>EDITOR_UNLIMITED_FILES, 'noclean'=>true, 'context'=>$modcontext));
$mform->setType('sdescription', PARAM_RAW);
$submit_string = get_string('addsession', 'attendance');
$this->add_action_buttons(false, $submit_string);
}
/**
* Perform minimal validation on the settings form
* @param array $data
* @param array $files
*/
public function validation($data, $files) {
$errors = parent::validation($data, $files);
if (!empty($data['addmultiply']) && $data['sessiondate'] != 0 && $data['sessionenddate'] != 0 && $data['sessionenddate'] < $data['sessiondate']) {
$errors['sessionenddate'] = get_string('invalidsessionenddate', 'attendance');
}
if ($data['sessiontype'] == attendance::SESSION_GROUP and empty($data['groups'])) {
$errors['groups'] = get_string('errorgroupsnotselected', 'attendance');
}
$addmulti = isset($data['addmultiply'])? (int)$data['addmultiply'] : 0;
if (($addmulti != 0) && (!array_key_exists('sdays',$data) || empty($data['sdays']))) {
$data['sdays']= array();
$errors['sdays'] = get_string('required', 'attendance');
}
if (isset($data['sdays'])) {
if (!$this->checkWeekDays($data['sessiondate'], $data['sessionenddate'], $data['sdays']) ) {
$errors['sdays'] = get_string('checkweekdays', 'attendance');
}
}
return $errors;
}
private function checkWeekDays($sessiondate, $sessionenddate, $sdays) {
$found = false;
$daysOfWeek = array(0 => "Sun", 1 => "Mon", 2 => "Tue", 3 => "Wed", 4 => "Thu", 5 => "Fri", 6 => "Sat");
$start = new DateTime( date("Y-m-d",$sessiondate) );
$interval = new DateInterval('P1D');
$end = new DateTime( date("Y-m-d",$sessionenddate) );
$end->add( new DateInterval('P1D') );
$period = new DatePeriod($start, $interval, $end);
foreach ($period as $date) {
if (!$found) {
foreach ($sdays as $name => $value) {
$key = array_search($name, $daysOfWeek);
if ($date->format("w") == $key) {
$found = true;
break;
}
}
}
}
return $found;
}
}