1914921fbSAndreas Gohr<?php 2914921fbSAndreas Gohr/** 3914921fbSAndreas Gohr * DokuWiki Plugin struct (Action Component) 4914921fbSAndreas Gohr * 5914921fbSAndreas Gohr * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html 6914921fbSAndreas Gohr * @author Andreas Gohr, Michael Große <dokuwiki@cosmocode.de> 7914921fbSAndreas Gohr */ 8914921fbSAndreas Gohr 9914921fbSAndreas Gohr// must be run within Dokuwiki 10*ba766201SAndreas Gohruse dokuwiki\plugin\struct\meta\Schema; 11*ba766201SAndreas Gohruse dokuwiki\plugin\struct\meta\StructException; 12914921fbSAndreas Gohr 13914921fbSAndreas Gohrif(!defined('DOKU_INC')) die(); 14914921fbSAndreas Gohr 15914921fbSAndreas Gohrclass action_plugin_struct_ajax extends DokuWiki_Action_Plugin { 16914921fbSAndreas Gohr 17914921fbSAndreas Gohr /** 18914921fbSAndreas Gohr * Registers a callback function for a given event 19914921fbSAndreas Gohr * 20914921fbSAndreas Gohr * @param Doku_Event_Handler $controller DokuWiki's event controller object 21914921fbSAndreas Gohr * @return void 22914921fbSAndreas Gohr */ 23914921fbSAndreas Gohr public function register(Doku_Event_Handler $controller) { 24914921fbSAndreas Gohr $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handle_ajax'); 25914921fbSAndreas Gohr } 26914921fbSAndreas Gohr 27914921fbSAndreas Gohr /** 28914921fbSAndreas Gohr * Pass Ajax call to a type 29914921fbSAndreas Gohr * 30914921fbSAndreas Gohr * @param Doku_Event $event event object by reference 31914921fbSAndreas Gohr * @param mixed $param [the parameters passed as fifth argument to register_hook() when this 32914921fbSAndreas Gohr * handler was registered] 33914921fbSAndreas Gohr * @return bool 34914921fbSAndreas Gohr */ 35914921fbSAndreas Gohr public function handle_ajax(Doku_Event $event, $param) { 36914921fbSAndreas Gohr if($event->data != 'plugin_struct') return; 37914921fbSAndreas Gohr $event->preventDefault(); 38914921fbSAndreas Gohr $event->stopPropagation(); 399dfe4ab9SAndreas Gohr global $conf; 40914921fbSAndreas Gohr 41914921fbSAndreas Gohr header('Content-Type: application/json'); 42914921fbSAndreas Gohr try { 43914921fbSAndreas Gohr $result = $this->executeTypeAjax(); 44914921fbSAndreas Gohr } catch(StructException $e) { 45914921fbSAndreas Gohr $result = array( 469dfe4ab9SAndreas Gohr 'error' => $e->getMessage().' '.basename($e->getFile()).':'.$e->getLine() 47914921fbSAndreas Gohr ); 489dfe4ab9SAndreas Gohr if($conf['allowdebug']) { 499dfe4ab9SAndreas Gohr $result['stacktrace'] = $e->getTraceAsString(); 509dfe4ab9SAndreas Gohr } 51914921fbSAndreas Gohr http_status(500); 52914921fbSAndreas Gohr } 53914921fbSAndreas Gohr 54914921fbSAndreas Gohr $json = new JSON; 55914921fbSAndreas Gohr echo $json->encode($result); 56914921fbSAndreas Gohr } 57914921fbSAndreas Gohr 58914921fbSAndreas Gohr /** 59914921fbSAndreas Gohr * Check the input variables and run the AJAX call 60914921fbSAndreas Gohr * 61914921fbSAndreas Gohr * @throws StructException 62914921fbSAndreas Gohr * @return mixed 63914921fbSAndreas Gohr */ 64914921fbSAndreas Gohr protected function executeTypeAjax() { 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