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 /** 17914921fbSAndreas Gohr * Registers a callback function for a given event 18914921fbSAndreas Gohr * 19914921fbSAndreas Gohr * @param Doku_Event_Handler $controller DokuWiki's event controller object 20914921fbSAndreas Gohr * @return void 21914921fbSAndreas Gohr */ 22d6d97f60SAnna Dabrowska public function register(Doku_Event_Handler $controller) 23d6d97f60SAnna Dabrowska { 24*748e747fSAnna Dabrowska $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handleAjax'); 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 */ 34*748e747fSAnna Dabrowska public function handleAjax(Doku_Event $event, $param) 35d6d97f60SAnna Dabrowska { 36914921fbSAndreas Gohr if ($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 54d6d97f60SAnna Dabrowska $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 */ 64d6d97f60SAnna Dabrowska protected function executeTypeAjax() 65d6d97f60SAnna Dabrowska { 66914921fbSAndreas Gohr global $INPUT; 67914921fbSAndreas Gohr 68914921fbSAndreas Gohr $col = $INPUT->str('column'); 69914921fbSAndreas Gohr if (blank($col)) throw new StructException('No column provided'); 70914921fbSAndreas Gohr list($schema, $colname) = explode('.', $col, 2); 71914921fbSAndreas Gohr if (blank($schema) || blank($colname)) throw new StructException('Column format is wrong'); 72914921fbSAndreas Gohr 73914921fbSAndreas Gohr $schema = new Schema($schema); 74914921fbSAndreas Gohr if (!$schema->getId()) throw new StructException('Unknown Schema'); 75914921fbSAndreas Gohr 76914921fbSAndreas Gohr $column = $schema->findColumn($colname); 77914921fbSAndreas Gohr if ($column === false) throw new StructException('Column not found'); 78914921fbSAndreas Gohr 79914921fbSAndreas Gohr return $column->getType()->handleAjax(); 80914921fbSAndreas Gohr } 81914921fbSAndreas Gohr} 82