/**
* Invoke method, every class will have its own
* returns true/false on completion, setting both
* errormsg and output as necessary
*/
function invoke()
{
parent::invoke();
$result = true;
/// Set own core attributes
$this->does_generate = ACTION_NONE;
//$this->does_generate = ACTION_GENERATE_HTML;
/// These are always here
global $CFG, $XMLDB;
/// Do the job, setting result as needed
if (!data_submitted()) {
///Basic prevention
print_error('wrongcall', 'error');
}
/// Get parameters
$dirpath = required_param('dir', PARAM_PATH);
$dirpath = $CFG->dirroot . $dirpath;
$tableparam = strtolower(required_param('table', PARAM_PATH));
$name = substr(trim(strtolower(required_param('name', PARAM_PATH))), 0, 28);
$comment = required_param('comment', PARAM_CLEAN);
$comment = $comment;
$editeddir =& $XMLDB->editeddirs[$dirpath];
$structure =& $editeddir->xml_file->getStructure();
$table =& $structure->getTable($tableparam);
$errors = array();
/// To store all the errors found
/// Perform some checks
/// Check empty name
if (empty($name)) {
$errors[] = $this->str['tablenameempty'];
}
/// Check incorrect name
if ($name == 'changeme') {
$errors[] = $this->str['incorrecttablename'];
}
/// Check duplicatename
if ($tableparam != $name && $structure->getTable($name)) {
$errors[] = $this->str['duplicatetablename'];
}
if (!empty($errors)) {
$temptable = new xmldb_table($name);
/// Prepare the output
$site = get_site();
$navlinks = array();
$navlinks[] = array('name' => $this->str['administration'], 'link' => '../index.php', 'type' => 'misc');
$navlinks[] = array('name' => 'XMLDB', 'link' => 'index.php', 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("{$site->shortname}: XMLDB", "{$site->fullname}", $navigation);
notice('<p>' . implode(', ', $errors) . '</p>
<p>' . $temptable->readableInfo() . '</p>', 'index.php?action=edit_table&table=' . $tableparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)));
die;
/// re-die :-P
}
/// If there is one name change, do it, changing the prev and next
/// atributes of the adjacent tables
if ($tableparam != $name) {
$table->setName($name);
if ($table->getPrevious()) {
$prev =& $structure->getTable($table->getPrevious());
$prev->setNext($name);
$prev->setChanged(true);
}
if ($table->getNext()) {
$next =& $structure->getTable($table->getNext());
$next->setPrevious($name);
$next->setChanged(true);
}
}
/// Set comment
$table->setComment($comment);
/// Launch postaction if exists (leave this here!)
if ($this->getPostAction() && $result) {
return $this->launch($this->getPostAction());
}
/// Return ok if arrived here
return $result;
}
