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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This is the main script for the complete XMLDB interface. From here
* all the actions supported will be launched.
*
* @package tool_xmldb
* @copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com,
* (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require('../../../config.php');
require_once($CFG->libdir.'/adminlib.php');
require_once($CFG->libdir.'/ddllib.php');
// Add required XMLDB action classes
require_once('actions/XMLDBAction.class.php');
require_once('actions/XMLDBCheckAction.class.php');
admin_externalpage_setup('toolxmld');
// Add other used libraries
require_once($CFG->libdir . '/xmlize.php');
// Handle session data
global $XMLDB;
// State is stored in session - we have to serialise it because the classes are not loaded when creating session
if (!isset($SESSION->xmldb)) {
$XMLDB = new stdClass;
} else {
$XMLDB = unserialize($SESSION->xmldb);
}
// Some previous checks
$site = get_site();
// Body of the script, based on action, we delegate the work
$action = optional_param ('action', 'main_view', PARAM_ALPHAEXT);
// Get the action path and invoke it
$actionsroot = "$CFG->dirroot/$CFG->admin/tool/xmldb/actions";
$actionclass = $action . '.class.php';
$actionpath = "$actionsroot/$action/$actionclass";
// Load and invoke the proper action
if (file_exists($actionpath) && is_readable($actionpath)) {
require_once($actionpath);
if ($xmldb_action = new $action) {
// Invoke it
$result = $xmldb_action->invoke();
// store the result in session
$SESSION->xmldb = serialize($XMLDB);
if ($result) {
// Based on getDoesGenerate()
switch ($xmldb_action->getDoesGenerate()) {
case ACTION_GENERATE_HTML:
$action = optional_param('action', '', PARAM_ALPHAEXT);
$postaction = optional_param('postaction', '', PARAM_ALPHAEXT);
// If the js exists, load it
if ($action) {
$script = $CFG->admin . '/tool/xmldb/actions/' . $action . '/' . $action . '.js';
$file = $CFG->dirroot . '/' . $script;
if (file_exists($file) && is_readable($file)) {
$PAGE->requires->js('/'.$script);
} else if ($postaction) {
// Try to load the postaction javascript if exists
$script = $CFG->admin . '/tool/xmldb/actions/' . $postaction . '/' . $postaction . '.js';
$file = $CFG->dirroot . '/' . $script;
if (file_exists($file) && is_readable($file)) {
$PAGE->requires->js('/'.$script);
}
}
}
// Go with standard admin header
echo $OUTPUT->header();
echo $OUTPUT->heading($xmldb_action->getTitle());
echo $xmldb_action->getOutput();
echo $OUTPUT->footer();
break;
case ACTION_GENERATE_XML:
header('Content-type: application/xhtml+xml; charset=utf-8');
echo $xmldb_action->getOutput();
break;
}
} else {
// TODO: need more detailed error info
print_error('xmldberror');
}
} else {
$a = new stdClass();
$a->action = $action;
$a->actionclass = $actionclass;
print_error('cannotinstantiateclass', 'tool_xmldb', '', $a);
}
} else {
print_error('invalidaction');
}
if ($xmldb_action->getDoesGenerate() != ACTION_GENERATE_XML) {
if (debugging()) {
// print_object($XMLDB);
}
}