.
/**
* @package tool_xmldb
* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* This class will save changes in table name and/or comments
*
* @package tool_xmldb
* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class edit_table_save extends XMLDBAction {
/**
* Init method, every subclass will have its own
*/
function init() {
parent::init();
// Set own custom attributes
// Get needed strings
$this->loadStrings(array(
'tablenameempty' => 'tool_xmldb',
'incorrecttablename' => 'tool_xmldb',
'duplicatetablename' => 'tool_xmldb',
'back' => 'tool_xmldb',
'administration' => ''
));
}
/**
* 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,xmldb_table::NAME_MAX_LENGTH);
$comment = required_param('comment', PARAM_CLEAN);
$comment = $comment;
$dbdir = $XMLDB->dbdirs[$dirpath];
$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
$o = '' .implode(', ', $errors) . '
' . $temptable->getName() . '
';
$o.= '[' . $this->str['back'] . ']';
$this->output = $o;
// Continue if we aren't under errors
} else if (empty($errors)) {
// 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);
}
// Table has changed
$table->setChanged(true);
}
// Set comment
if ($table->getComment() != $comment) {
$table->setComment($comment);
// Table has changed
$table->setChanged(true);
}
// Recalculate the hash
$structure->calculateHash(true);
// If the hash has changed from the original one, change the version
// and mark the structure as changed
$origstructure = $dbdir->xml_file->getStructure();
if ($structure->getHash() != $origstructure->getHash()) {
$structure->setVersion(userdate(time(), '%Y%m%d', 99, false));
$structure->setChanged(true);
}
// Launch postaction if exists (leave this here!)
if ($this->getPostAction() && $result) {
return $this->launch($this->getPostAction());
}
}
// Return ok if arrived here
return $result;
}
}