sesskey_protected = false; // This action doesn't need sesskey protection /// Get needed strings $this->loadStrings(array( 'change' => 'xmldb', 'vieworiginal' => 'xmldb', 'viewedited' => 'xmldb', 'yes' => '', 'no' => '', 'back' => 'xmldb' )); } /** * 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); /// 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 /// Fetch request data $tableparam = required_param('table', PARAM_CLEAN); if (!$table =& $structure->getTable($tableparam)) { $this->errormsg = 'Wrong table specified: ' . $tableparam; return false; } $fieldparam = required_param('field', PARAM_CLEAN); if (!$field =& $table->getField($fieldparam)) { /// Arriving here from a name change, looking for the new field name $fieldparam = required_param('name', PARAM_CLEAN); $field =& $table->getField($fieldparam); } $dbdir =& $XMLDB->dbdirs[$dirpath]; $origstructure =& $dbdir->xml_file->getStructure(); /// Add the main form $o = '
'; /// Calculate the buttons $b = ' '; $o .= $b; $this->output = $o; /// Launch postaction if exists (leave this here!) if ($this->getPostAction() && $result) { return $this->launch($this->getPostAction()); } /// Return ok if arrived here return $result; } } ?>