/**
* Cleans up all the groups and groupings in a course (it does this best-effort
* i.e. if one deletion fails, it still attempts further deletions).
* IMPORTANT: Note that if the groups and groupings are used by other courses
* somehow, they will still be deleted - it doesn't protect against this.
* @param int $courseid The id of the course
* @return boolean True if the clean up was successful, false otherwise.
*/
function groups_cleanup_groups($courseid)
{
$success = true;
// Delete all the groupings
$groupings = groups_get_groupings($courseid);
if ($groupings != false) {
foreach ($groupings as $groupingid) {
$groupingdeleted = groups_delete_grouping($groupingid);
if (!$groupingdeleted) {
$success = false;
}
}
}
// Delete all the groups
$groupids = groups_get_groups($courseid);
if ($groupids != false) {
foreach ($groupids as $groupid) {
$groupdeleted = groups_delete_group($groupid);
if (!$groupdeleted) {
$success = false;
}
}
}
return $success;
}
/**
* Delete all groupings from a course. Groups MUST be deleted first.
* TODO: If groups or groupings are to be shared between courses, think again!
* @param $courseid The course ID.
* @return boolean True if all deletes were successful, false otherwise.
*/
function groups_delete_all_groupings($courseid)
{
if (!$courseid) {
return false;
}
$groupingids = groups_get_groupings($courseid);
if (!$groupingids) {
return true;
}
$success = true;
foreach ($groupingids as $gg_id) {
$success = $success && groups_db_delete_grouping($gg_id);
}
return $success;
}
<input type="hidden" name="sesskey" value="<?php p($sesskey) ?>" />
<input type="hidden" name="roleid" value="<?php p($roleid) ?>" />
*/
echo '<table cellpadding="6" class="generaltable generalbox groupmanagementtable boxaligncenter" summary="">' . "\n";
echo '<tr>' . "\n";
if (empty($CFG->enablegroupings)) {
// NO GROUPIGS YET!
$sel_groupingid = -1;
} else {
echo '<td class="generalboxcontent">' . "\n";
echo '<p><label for="groupings">' . get_string('groupings', 'group') . '<span id="dummygrouping"> </span></label></p>' . "\n";
echo '<select name="grouping" id="groupings" size="15" class="select"';
echo ' onchange="groupsCombo.refreshGroups(this.options[this.selectedIndex].value);"';
//NOTE: onclick/onmouseout is for long names in IE6 (Firefox/IE7 display OPTION title).
echo ' onclick="window.status=this.options[this.selectedIndex].title;" onmouseout="window.status=\'\';">' . "\n";
$groupingids = groups_get_groupings($courseid);
if (groups_count_groups_in_grouping(GROUP_NOT_IN_GROUPING, $courseid) > 0) {
//NOTE, only show the pseudo-grouping if it has groups.
$groupingids[] = GROUP_NOT_IN_GROUPING;
}
$sel_groupingid = -1;
if ($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 = '';
function definition()
{
global $USER, $CFG, $COURSE;
$strrequired = get_string('required');
$buttonstr = get_string('creategroup', 'group');
if (isset($this->_customdata['group'])) {
$group = $this->_customdata['group'];
} else {
$group = false;
}
$groupingid = $this->_customdata['groupingid'];
$newgrouping = $this->_customdata['newgrouping'];
$courseid = $this->_customdata['courseid'];
$mform =& $this->_form;
$mform->addElement('text', 'name', get_string('groupname', 'group'), 'maxlength="254" size="50"');
$mform->setDefault('name', get_string('defaultgroupname', 'group'));
$mform->addRule('name', get_string('missingname'), 'required', null, 'client');
$mform->setType('name', PARAM_MULTILANG);
$mform->addElement('htmleditor', 'description', get_string('groupdescription', 'group'), array('rows' => '15', 'course' => $courseid, 'cols' => '45'));
$mform->setType('description', PARAM_RAW);
$mform->addElement('text', 'enrolmentkey', get_string('enrolmentkey', 'group'), 'maxlength="254" size="24"', get_string('enrolmentkey'));
$mform->setHelpButton('enrolmentkey', array('groupenrolmentkey', get_string('enrolmentkey', 'group')), true);
$mform->setType('enrolmentkey', PARAM_RAW);
$maxbytes = get_max_upload_file_size($CFG->maxbytes, $COURSE->maxbytes);
if (!empty($CFG->gdversion) and $maxbytes) {
$options = array(get_string('no'), get_string('yes'));
$mform->addElement('select', 'hidepicture', get_string('hidepicture'), $options);
$this->set_upload_manager(new upload_manager('imagefile', false, false, null, false, 0, true, true, false));
$mform->addElement('file', 'imagefile', get_string('newpicture', 'group'));
$mform->setHelpButton('imagefile', array('picture', get_string('helppicture')), true);
}
if ($group) {
$buttonstr = get_string('save', 'group');
$mform->addElement('hidden', 'id', null);
$mform->setType('id', PARAM_INT);
if (empty($CFG->enablegroupings)) {
// NO GROUPINGS YET!
$mform->addElement('hidden', 'newgrouping', GROUP_NOT_IN_GROUPING);
$mform->setType('newgrouping', PARAM_INT);
} else {
// Options to move group to another grouping
$groupingids = groups_get_groupings($courseid);
// Add pseudo-grouping "Not in a grouping"
$groupingids[] = GROUP_NOT_IN_GROUPING;
if ($groupingids) {
// Put the groupings into a hash and sort them
foreach ($groupingids as $id) {
$listgroupings[$id] = groups_get_grouping_displayname($id, $courseid);
}
natcasesort($listgroupings);
$mform->addElement('select', 'newgrouping', get_string('addgroupstogrouping', 'group'), $listgroupings);
$mform->setDefault('newgrouping', $groupingid);
}
}
}
if ($groupingid) {
$mform->addElement('hidden', 'grouping', $groupingid);
$mform->setType('grouping', PARAM_INT);
}
$this->add_action_buttons(true, $buttonstr);
$mform->addElement('hidden', 'courseid', $courseid);
}
