1914921fbSAndreas Gohr<?php 2d6d97f60SAnna Dabrowska 3914921fbSAndreas Gohr/** 4914921fbSAndreas Gohr * DokuWiki Plugin struct (Action Component) 5914921fbSAndreas Gohr * 6914921fbSAndreas Gohr * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html 7914921fbSAndreas Gohr * @author Andreas Gohr, Michael Große <dokuwiki@cosmocode.de> 8914921fbSAndreas Gohr */ 9914921fbSAndreas Gohr 10ba766201SAndreas Gohruse dokuwiki\plugin\struct\meta\Schema; 11ba766201SAndreas Gohruse dokuwiki\plugin\struct\meta\StructException; 12914921fbSAndreas Gohr 13d6d97f60SAnna Dabrowskaclass action_plugin_struct_ajax extends DokuWiki_Action_Plugin 14d6d97f60SAnna Dabrowska{ 15914921fbSAndreas Gohr /** 16914921fbSAndreas Gohr * Registers a callback function for a given event 17914921fbSAndreas Gohr * 18914921fbSAndreas Gohr * @param Doku_Event_Handler $controller DokuWiki's event controller object 19914921fbSAndreas Gohr * @return void 20914921fbSAndreas Gohr */ 21d6d97f60SAnna Dabrowska public function register(Doku_Event_Handler $controller) 22d6d97f60SAnna Dabrowska { 23748e747fSAnna Dabrowska $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handleAjax'); 24914921fbSAndreas Gohr } 25914921fbSAndreas Gohr 26914921fbSAndreas Gohr /** 27914921fbSAndreas Gohr * Pass Ajax call to a type 28914921fbSAndreas Gohr * 29914921fbSAndreas Gohr * @param Doku_Event $event event object by reference 30914921fbSAndreas Gohr * @param mixed $param [the parameters passed as fifth argument to register_hook() when this 31914921fbSAndreas Gohr * handler was registered] 32914921fbSAndreas Gohr */ 33748e747fSAnna Dabrowska public function handleAjax(Doku_Event $event, $param) 34d6d97f60SAnna Dabrowska { 35914921fbSAndreas Gohr if ($event->data != 'plugin_struct') return; 36914921fbSAndreas Gohr $event->preventDefault(); 37914921fbSAndreas Gohr $event->stopPropagation(); 389dfe4ab9SAndreas Gohr global $conf; 39914921fbSAndreas Gohr 40914921fbSAndreas Gohr header('Content-Type: application/json'); 41914921fbSAndreas Gohr try { 42914921fbSAndreas Gohr $result = $this->executeTypeAjax(); 43914921fbSAndreas Gohr } catch (StructException $e) { 44914921fbSAndreas Gohr $result = array( 459dfe4ab9SAndreas Gohr 'error' => $e->getMessage() . ' ' . basename($e->getFile()) . ':' . $e->getLine() 46914921fbSAndreas Gohr ); 479dfe4ab9SAndreas Gohr if ($conf['allowdebug']) { 489dfe4ab9SAndreas Gohr $result['stacktrace'] = $e->getTraceAsString(); 499dfe4ab9SAndreas Gohr } 50914921fbSAndreas Gohr http_status(500); 51914921fbSAndreas Gohr } 52914921fbSAndreas Gohr 53d6d97f60SAnna Dabrowska $json = new JSON(); 54914921fbSAndreas Gohr echo $json->encode($result); 55914921fbSAndreas Gohr } 56914921fbSAndreas Gohr 57914921fbSAndreas Gohr /** 58914921fbSAndreas Gohr * Check the input variables and run the AJAX call 59914921fbSAndreas Gohr * 60914921fbSAndreas Gohr * @return mixed 61*0549dcc5SAndreas Gohr * @throws StructException 62914921fbSAndreas Gohr */ 63d6d97f60SAnna Dabrowska protected function executeTypeAjax() 64d6d97f60SAnna Dabrowska { 65914921fbSAndreas Gohr global $INPUT; 66914921fbSAndreas Gohr 67914921fbSAndreas Gohr $col = $INPUT->str('column'); 68914921fbSAndreas Gohr if (blank($col)) throw new StructException('No column provided'); 69914921fbSAndreas Gohr list($schema, $colname) = explode('.', $col, 2); 70914921fbSAndreas Gohr if (blank($schema) || blank($colname)) throw new StructException('Column format is wrong'); 71914921fbSAndreas Gohr 72914921fbSAndreas Gohr $schema = new Schema($schema); 73914921fbSAndreas Gohr if (!$schema->getId()) throw new StructException('Unknown Schema'); 74914921fbSAndreas Gohr 75914921fbSAndreas Gohr $column = $schema->findColumn($colname); 76914921fbSAndreas Gohr if ($column === false) throw new StructException('Column not found'); 77914921fbSAndreas Gohr 78914921fbSAndreas Gohr return $column->getType()->handleAjax(); 79914921fbSAndreas Gohr } 80914921fbSAndreas Gohr} 81