libdir.'/adminlib.php');
admin_externalpage_setup('defineroles', '', array(), $CFG->wwwroot . '/' . $CFG->admin . '/roles/allowoverride.php');
$sitecontext = get_context_instance(CONTEXT_SYSTEM);
require_capability('moodle/role:manage', $sitecontext);
/// form processiong here
/// get all roles
$roles = get_all_roles();
if ($grant = data_submitted() and confirm_sesskey()) {
foreach ($grant as $grole => $val) {
if ($grole == 'dummy' or !strpos($grole, '_')) {
continue;
}
$string = explode('_', $grole);
$temp[$string[1]][$string[2]] = 1; // if set, means can access
}
// if current assignment is in data_submitted, ignore, else, write deny into db
foreach ($roles as $srole) {
foreach ($roles as $trole) {
if (isset($temp[$srole->id][$trole->id])) { // if set, need to write to db
if (!$record = get_record('role_allow_override', 'roleid', $srole->id, 'allowoverride', $trole->id)) {
allow_override($srole->id, $trole->id);
}
} else { //if set, means can access, attempt to remove it from db
delete_records('role_allow_override', 'roleid', $srole->id, 'allowoverride', $trole->id);
}
}
}
// updated allowoverride sitewide...
mark_context_dirty($sitecontext->path);
}
/// displaying form here
admin_externalpage_print_header();
$currenttab='allowoverride';
require_once('managetabs.php');
$table->tablealign = 'center';
$table->cellpadding = 5;
$table->cellspacing = 0;
$table->width = '90%';
$table->align[] = 'right';
/// get all the roles identifier
foreach ($roles as $role) {
$rolesname[] = format_string($role->name);
$roleids[] = $role->id;
$table->align[] = 'center';
$table->wrap[] = 'nowrap';
}
$table->head = array_merge(array(''), $rolesname);
foreach ($roles as $role) {
$beta = get_box_list($role->id, $roleids);
$table->data[] = array_merge(array(format_string($role->name)), $beta);
}
print_simple_box(get_string('configallowoverride2', 'admin'), 'center');
echo '';
admin_externalpage_print_footer();
// returns array
function get_box_list($roleid, $arraylist){
foreach ($arraylist as $targetid) {
if (get_record('role_allow_override', 'roleid', $roleid, 'allowoverride', $targetid)) {
$array[] = '';
} else {
$array[] = '';
}
}
return $array;
}
?>