loadStrings(array( 'confirmdeletesentence' => '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 = $CFG->dirroot . stripslashes_safe($dirpath); $statementparam = required_param('statement', PARAM_CLEAN); $sentenceparam = required_param('sentence', PARAM_INT); $confirmed = optional_param('confirmed', false, PARAM_BOOL); /// If not confirmed, show confirmation box if (!$confirmed) { $o = ''; $o.= ' '; $o.= '

'; $o.= '

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

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

'; $o.= '

'; $this->output = $o; } else { /// Get the edited dir if (!empty($XMLDB->editeddirs)) { if (isset($XMLDB->editeddirs[$dirpath])) { $dbdir =& $XMLDB->dbdirs[$dirpath]; $editeddir =& $XMLDB->editeddirs[$dirpath]; if ($editeddir) { $structure =& $editeddir->xml_file->getStructure(); $statements =& $structure->getStatements(); $statement =& $structure->getStatement($statementparam); $sentences =& $statement->getSentences(); /// Remove the sentence unset ($sentences[$sentenceparam]); /// The statement has changed $statement->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; } } ?>