moodle/admin/xmldb/actions/new_table/new_table.class.php

121 lines
4.6 KiB
PHP

<?php // $Id$
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.com //
// //
// Copyright (C) 2001-3001 Martin Dougiamas http://dougiamas.com //
// (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
/// This class will create a new default table to be edited
class new_table extends XMLDBAction {
/**
* Init method, every subclass will have its own
*/
function init() {
parent::init();
/// Set own custom attributes
/// Get needed strings
$this->loadStrings(array(
/// 'key' => 'module',
));
}
/**
* 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
/// Get the dir containing the file
$dirpath = required_param('dir', PARAM_CLEAN);
$dirpath = stripslashes_safe($dirpath);
/// Get the correct dirs
if (!empty($XMLDB->dbdirs)) {
$dbdir =& $XMLDB->dbdirs[$dirpath];
} else {
return false;
}
if (!empty($XMLDB->editeddirs)) {
$editeddir =& $XMLDB->editeddirs[$dirpath];
$structure =& $editeddir->xml_file->getStructure();
}
/// ADD YOUR CODE HERE
/// If the changeme table exists, just get it and continue
$changeme_exists = false;
if ($tables =& $structure->getTables()) {
if ($table =& $structure->getTable('changeme')) {
$changeme_exists = true;
}
}
if (!$changeme_exists) { /// Lets create the table
$field = new XMLDBField('id');
$field->setType(XMLDB_TYPE_INTEGER);
$field->setLength(10);
$field->setNotNull(true);
$field->setSequence(true);
$field->setComment('id of the table, please edit me');
$field->setLoaded(true);
$field->setChanged(true);
$key = new XMLDBKey('primary');
$key->setType(XMLDB_KEY_PRIMARY);
$key->setFields(array('id'));
$key->setComment('primary key of the table, please edit me');
$key->setLoaded(true);
$key->setChanged(true);
$table = new XMLDBTable('changeme');
$table->setComment('Default comment for the table, please edit me');
$table->addField($field);
$table->addKey($key);
/// Finally, add the whole retroffited table to the structure
/// in the place specified
$structure->addTable($table);
}
/// Launch postaction if exists (leave this here!)
if ($this->getPostAction() && $result) {
return $this->launch($this->getPostAction());
}
/// Return ok if arrived here
return $result;
}
}
?>