. /** * @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 revert changes (delete the editeddb) * * @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 revert_changes extends XMLDBAction { /** * Init method, every subclass will have its own */ function init() { parent::init(); // Set own custom attributes // Get needed strings $this->loadStrings(array( 'confirmrevertchanges' => 'tool_xmldb', 'yes' => '', 'no' => '' )); } /** * 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_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_PATH); $dirpath = $CFG->dirroot . $dirpath; $confirmed = optional_param('confirmed', false, PARAM_BOOL); // If not confirmed, show confirmation box if (!$confirmed) { $o = ''; $o.= ' '; $o.= '

'; $o.= '

' . $this->str['confirmrevertchanges'] . '

' . $dirpath . '

'; $o.= ' '; $o.= '

'; $o.= '

'; $this->output = $o; } else { // Get the original dir and delete some elements if (!empty($XMLDB->dbdirs)) { if (isset($XMLDB->dbdirs[$dirpath])) { $dbdir = $XMLDB->dbdirs[$dirpath]; if ($dbdir) { unset($dbdir->xml_changed); } } } // Get the edited dir and delete it completely if (!empty($XMLDB->editeddirs)) { if (isset($XMLDB->editeddirs[$dirpath])) { unset($XMLDB->editeddirs[$dirpath]); } } } // Launch postaction if exists (leave this here!) if ($this->getPostAction() && $result) { return $this->launch($this->getPostAction()); } // Return ok if arrived here return $result; } }