110caaf49SAndreas Gohr<?php 2*d6d97f60SAnna Dabrowska 310caaf49SAndreas Gohr/** 410caaf49SAndreas Gohr * DokuWiki Plugin struct (Action Component) 510caaf49SAndreas Gohr * 610caaf49SAndreas Gohr * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html 710caaf49SAndreas Gohr * @author Andreas Gohr, Michael Große <dokuwiki@cosmocode.de> 810caaf49SAndreas Gohr */ 910caaf49SAndreas Gohr 1010caaf49SAndreas Gohr// must be run within Dokuwiki 11f411d872SAndreas Gohruse dokuwiki\plugin\struct\meta\AccessTable; 12ba766201SAndreas Gohruse dokuwiki\plugin\struct\meta\Assignments; 1394c9aa4cSAndreas Gohruse dokuwiki\plugin\struct\meta\AccessTableData; 14a28d6152SAndreas Gohruse dokuwiki\plugin\struct\meta\StructException; 1510caaf49SAndreas Gohr 1610caaf49SAndreas Gohrif (!defined('DOKU_INC')) die(); 1710caaf49SAndreas Gohr 18*d6d97f60SAnna Dabrowskaclass action_plugin_struct_diff extends DokuWiki_Action_Plugin 19*d6d97f60SAnna Dabrowska{ 2010caaf49SAndreas Gohr 2110caaf49SAndreas Gohr /** 2210caaf49SAndreas Gohr * Registers a callback function for a given event 2310caaf49SAndreas Gohr * 2410caaf49SAndreas Gohr * @param Doku_Event_Handler $controller DokuWiki's event controller object 2510caaf49SAndreas Gohr * @return void 2610caaf49SAndreas Gohr */ 27*d6d97f60SAnna Dabrowska public function register(Doku_Event_Handler $controller) 28*d6d97f60SAnna Dabrowska { 2910caaf49SAndreas Gohr $controller->register_hook('IO_WIKIPAGE_READ', 'AFTER', $this, 'handle_diffload'); 3010caaf49SAndreas Gohr } 3110caaf49SAndreas Gohr 3210caaf49SAndreas Gohr /** 3310caaf49SAndreas Gohr * Add structured data to the diff 3410caaf49SAndreas Gohr * 3510caaf49SAndreas Gohr * This is done by adding pseudo syntax to the page source when it is loaded in diff context 3610caaf49SAndreas Gohr * 3710caaf49SAndreas Gohr * @param Doku_Event $event event object by reference 3810caaf49SAndreas Gohr * @param mixed $param [the parameters passed as fifth argument to register_hook() when this 3910caaf49SAndreas Gohr * handler was registered] 4010caaf49SAndreas Gohr * @return bool 4110caaf49SAndreas Gohr */ 42*d6d97f60SAnna Dabrowska public function handle_diffload(Doku_Event $event, $param) 43*d6d97f60SAnna Dabrowska { 4410caaf49SAndreas Gohr global $ACT; 4510caaf49SAndreas Gohr global $INFO; 4610caaf49SAndreas Gohr if ($ACT != 'diff') return; 4710caaf49SAndreas Gohr $id = $event->data[2]; 480c555ad4SMichael Grosse if (!blank($event->data[1])) { 490c555ad4SMichael Grosse $id = $event->data[1] . ':' . $id; 500c555ad4SMichael Grosse } 517f803aa8SAnna Dabrowska $rev = $event->data[3] ?: time(); 5210caaf49SAndreas Gohr if ($INFO['id'] != $id) return; 5310caaf49SAndreas Gohr 54025cb9daSAndreas Gohr $assignments = Assignments::getInstance(); 5510caaf49SAndreas Gohr $tables = $assignments->getPageAssignments($id); 5610caaf49SAndreas Gohr if (!$tables) return; 5710caaf49SAndreas Gohr 5808e7b568SAndreas Gohr $event->result .= "\n---- struct data ----\n"; 5910caaf49SAndreas Gohr foreach ($tables as $table) { 60a28d6152SAndreas Gohr try { 61f411d872SAndreas Gohr $schemadata = AccessTable::byTableName($table, $id, $rev); 62a28d6152SAndreas Gohr } catch (StructException $ignored) { 63a28d6152SAndreas Gohr continue; // no such schema at this revision 64a28d6152SAndreas Gohr } 6508e7b568SAndreas Gohr $event->result .= $schemadata->getDataPseudoSyntax(); 6610caaf49SAndreas Gohr } 6708e7b568SAndreas Gohr $event->result .= "----\n"; 6810caaf49SAndreas Gohr } 6910caaf49SAndreas Gohr} 7010caaf49SAndreas Gohr 7110caaf49SAndreas Gohr// vim:ts=4:sw=4:et: 72