moodle/group/group.php

255 lines
9.3 KiB
PHP

<?php
/**
* Create group OR edit group settings.
*
* @copyright &copy; 2006 The Open University
* @author N.D.Freear AT open.ac.uk
* @author J.White AT open.ac.uk
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package groups
*/
require_once('../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/moodlelib.php');
require_once($CFG->libdir.'/uploadlib.php');
$success = true;
$err = array();
$courseid = required_param('courseid', PARAM_INT);
$groupingid = optional_param('grouping', false, PARAM_INT);
$newgrouping= optional_param('newgrouping', false, PARAM_INT);
$groupid = optional_param('group', false, PARAM_INT);
$groupsettings->name = optional_param('name', PARAM_ALPHANUM);
$groupsettings->description= optional_param('description', PARAM_ALPHANUM);
$groupsettings->enrolmentkey= optional_param('enrolmentkey', PARAM_ALPHANUM);
$groupsettings->hidepicture= optional_param('hidepicture', PARAM_BOOL);
$delete = optional_param('delete', false, PARAM_BOOL);
// Get the course information so we can print the header and
// check the course id is valid
$course = groups_get_course_info($courseid);
if (! $course) {
$success = false;
print_error('invalidcourse'); //'The course ID is invalid'
}
if ($delete && !$groupid) {
$success = false;
print_error('errorinvalidgroup', 'group', groups_home_url($courseid));
}
if ($success) {
// Make sure that the user has permissions to manage groups.
require_login($courseid);
$context = get_context_instance(CONTEXT_COURSE, $courseid);
if (! has_capability('moodle/course:managegroups', $context)) {
redirect();
}
/// If data submitted, then process and store.
if ($frm = data_submitted() and confirm_sesskey()) {
if (isset($frm->cancel)) {
redirect(groups_home_url($courseid, $groupid, $groupingid, false));
}
elseif (isset($frm->confirmdelete)) {
if ($success = groups_delete_group($groupid)) {
redirect(groups_home_url($courseid, null, $groupingid, false));
} else {
print_error('erroreditgroup', 'group', groups_home_url($courseid));
}
}
elseif (empty($frm->name)) {
$err['name'] = get_string('missingname');
}
elseif (isset($frm->update)) {
if (! $groupid) { //OK, new group.
if (GROUP_NOT_IN_GROUPING == $groupingid) {
print_error('errornotingrouping', 'group', groups_home_url($courseid), get_string('notingrouping', 'group'));
}
$success = (bool)$groupid = groups_create_group($courseid); //$groupsettings);
$success = groups_add_group_to_grouping($groupid, $groupingid);
}
elseif ($groupingid != $newgrouping) { //OK, move group.
if (GROUP_NOT_IN_GROUPING == $newgrouping) {
print_error('errornotingrouping', 'group', groups_home_url($courseid), get_string('notingrouping', 'group'));
}
$success = $success && groups_remove_group_from_grouping($groupid, $groupingid);
$success = $success && groups_add_group_to_grouping($groupid, $newgrouping);
}
if ($success) {
//require_once($CFG->dirroot.'/lib/uploadlib.php');
$um = new upload_manager('imagefile',false,false,null,false,0,true,true);
if ($um->preprocess_files()) {
require_once("$CFG->libdir/gdlib.php");
if (save_profile_image($groupid, $um, 'groups')) {
$groupsettings->picture = 1;
}
}
$success = (bool)groups_set_group_settings($groupid, $groupsettings);
}
if ($success) {
redirect(groups_home_url($courseid, $groupid, $groupingid, false));
}
else {
print_error('erroreditgroup', 'group', groups_home_url($courseid));
}
}
}
/// OR, prepare the form.
if ($groupid) {
// Form to edit existing group.
$group = groups_get_group_settings($groupid);
if (! $group) {
print_error('errorinvalidgroup', 'group', groups_home_url($courseid));
}
$strname = s($group->name);
$strdesc = s($group->description);
$strbutton = get_string('save', 'group');
$strheading = get_string('editgroupsettings', 'group');
} else {
// Form to create a new one.
$strname = get_string('defaultgroupname', 'group');
$strdesc = '';
$strbutton = $strheading = get_string('creategroup', 'group');
}
$strgroups = get_string('groups');
$strparticipants = get_string('participants');
if ($delete) {
$strheading = get_string('deleteselectedgroup', 'group');
} //else { $strheader = get_string('groupinfoedit'); }
$maxbytes = get_max_upload_file_size($CFG->maxbytes, $course->maxbytes);
if (!empty($CFG->gdversion) and $maxbytes) {
$printuploadpicture = true;
} else {
$printuploadpicture = false;
}
/// Print the page and form
print_header("$course->shortname: ". $strheading,
$course->fullname,
"<a href=\"$CFG->wwwroot/course/view.php?id=$courseid\">$course->shortname</a> ".
"-> <a href=\"$CFG->wwwroot/user/index.php?id=$courseid\">$strparticipants</a> ".
"-> $strgroups", '', '', true, '', user_login_string($course, $USER));
$usehtmleditor = false;
?>
<h3 class="main"><?php echo $strheading ?></h3>
<form action="group.php" method="post" class="mform notmform" id="groupform">
<input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
<input type="hidden" name="courseid" value="<?php p($courseid); ?>" />
<input type="hidden" name="grouping" value="<?php p($groupingid); ?>" />
<?php
if ($groupid) {
echo '<input type="hidden" name="group" value="'. $groupid .'" />';
}
if ($delete) {
/*echo 'Are you sure you want to delete group X ?';
choose_from_menu_yesno('confirmdelete', false, '', true);*/
?>
<p><?php print_string('deletegroupconfirm', 'group', $strname); ?></p>
<input type="hidden" name="delete" value="1" />
<input type="submit" name="confirmdelete" value="<?php print_string('yes'); ?>" />
<input type="submit" name="cancel" value="<?php print_string('no'); ?>" />
<?php
} else {
?>
<div class="fitem">
<p><label for="groupname"><?php
print_string('groupname', 'group');
if (isset($err['name'])) {
echo' ';
formerr($err['name']);
} ?>&nbsp; </label></p>
<p class="felement"><input id="groupname" name="name" type="text" size="40" value="<?php echo $strname; ?>" /></p>
</div>
<p><label for="edit-description"><?php print_string('groupdescription', 'group'); ?>&nbsp;</label></p>
<p><?php print_textarea($usehtmleditor, 5, 45, 200, 400, 'description', $strdesc); ?></p>
<p><label for="enrolmentkey"><?php print_string('enrolmentkey', 'group'); ?>&nbsp;</label></p>
<p><input id="enrolmentkey" name="enrolmentkey" type="text" size="25" /></p>
<?php if ($printuploadpicture) { ?>
<p><label for="menuhidepicture"><?php print_string('hidepicture', 'group'); ?>&nbsp;</label></p>
<p><?php $options = array();
$options[0] = get_string('no');
$options[1] = get_string('yes');
choose_from_menu($options, 'hidepicture', isset($group)? $group->hidepicture: 1, '');?></p>
<p><label ><?php /* for="groupicon" */ print_string('newpicture', 'group');
helpbutton('picture', get_string('helppicture'));
print_string('maxsize', '', display_size($maxbytes), 'group');
if (isset($err['imagefile'])) formerr($err['imagefile']);
?>&nbsp;</label></p>
<p><?php upload_print_form_fragment(1, array('groupicon'), null,false,null,0,0,false); ?></p>
<?php
}
if ($groupid) { //OK, editing - option to move grouping.
?>
<p><label for="groupings"><?php print_string('addgroupstogrouping', 'group'); ?></label></p>
<select name="newgrouping" id="groupings" class="select">
<?php
$groupingids = groups_get_groupings($courseid);
if (GROUP_NOT_IN_GROUPING == $groupingid) {
$groupingids[] = GROUP_NOT_IN_GROUPING;
}
if ($groupingids) {
// Put the groupings into a hash and sort them
foreach($groupingids as $id) {
$listgroupings[$id] = groups_get_grouping_displayname($id, $courseid);
}
natcasesort($listgroupings);
// Print out the HTML
$count = 1;
foreach($listgroupings as $id => $name) {
$select = '';
if ($groupingid == $id) {
$select = ' selected="selected"';
}
echo "<option value=\"$id\"$select>$name</option>\n";
$count++;
}
}
?>
</select>
<?php } //IF($groupid) ?>
<p class="fitem">
<label for="id_submit">&nbsp;</label>
<span class="f--element fsubmit">
<input type="submit" name="update" id="id_submit" value="<?php echo $strbutton; ?>" />
<input type="submit" name="cancel" value="<?php print_string('cancel', 'group'); ?>" />
</span>
</p>
<?php } //IF($delete) ?>
<span class="clearer">&nbsp;</span>
</form>
<?php
print_footer($course);
}
?>