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/**
* @package tool
* @subpackage 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 display the XML for one structure
*
* @package tool
* @subpackage 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 view_structure_xml extends XMLDBAction {
/**
* Init method, every subclass will have its own
*/
function init() {
parent::init();
// Set own custom attributes
$this->sesskey_protected = false; // This action doesn't need sesskey protection
// 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_GENERATE_XML;
// These are always here
global $CFG, $XMLDB;
// Do the job, setting result as needed
// Get the file parameter
$select = required_param('select', PARAM_ALPHA); //original/edited
// Get the dir containing the file
$dirpath = required_param('dir', PARAM_PATH);
$dirpath = $CFG->dirroot . $dirpath;
// Get the correct dir
if ($select == 'original') {
if (!empty($XMLDB->dbdirs)) {
$base =& $XMLDB->dbdirs[$dirpath];
}
} else if ($select == 'edited') {
if (!empty($XMLDB->editeddirs)) {
$base =& $XMLDB->editeddirs[$dirpath];
}
} else {
$this->errormsg = 'Cannot access to ' . $select . ' info';
$result = false;
}
if ($base) {
// Only if the directory exists and it has been loaded
if (!$base->path_exists || !$base->xml_loaded) {
$this->errormsg = 'Directory ' . $dirpath . ' not loaded';
return false;
}
} else {
$this->errormsg = 'Problem handling ' . $select . ' files';
return false;
}
// Get the structure
if ($result) {
if (!$structure =& $base->xml_file->getStructure()) {
$this->errormsg = 'Error retrieving ' . $select . ' structure';
$result = false;
}
}
if ($result) {
// Everything is ok. Generate the XML output
$this->output = $structure->xmlOutput();
} else {
// Switch to HTML and error
$this->does_generate = ACTION_GENERATE_HTML;
}
// Return ok if arrived here
return $result;
}
}