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196 lines
6.6 KiB
196 lines
6.6 KiB
<?php /* <!-- Dokeos metadata/index.php -->
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<!-- 2005/05/19 -->
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<!-- Copyright (C) 2005 rene.haentjens@UGent.be - see metadata/md_funcs.php -->
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*/
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/**
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==============================================================================
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* Dokeos Metadata: view/edit metadata of a Dokeos course object
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*
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* URL parameters:
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* - eid= entry-id = object-id = type.identifier, e.g. 'Document.12';
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* - lfn= filename of a language file, default= 'md_' + type, e.g. 'md_doc';
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* - htt= HTML template file (same dir as script), default= same as lfn;
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* - dbg= debuginfo start number, e.g. 10000
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*
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* @package dokeos.metadata
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==============================================================================
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*/
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// PRELIMS -------------------------------------------------------------------->
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require_once '../inc/global.inc.php';
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require("md_funcs.php");
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getpar('EID', 'Entry IDentifier'); // e.g. 'Document.12' or 'Scorm.xx'
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if (!($dotpos = strpos(EID, '.'))) give_up('No . in ' . EID);
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define('EID_TYPE', substr(EID, 0, $dotpos)); // e.g. 'Document' or 'Scorm'
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require('md_' . strtolower(EID_TYPE) . '.php');
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define('EID_ID', substr(EID, $dotpos + 1)); // e.g. '12'
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getpar('LFN', 'LanguageFileName', 'md_' . strtolower(EID_TYPE));
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getpar('HTT', 'HTML Template Text filename', LFN);
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getpar('DBG', 'Debug number', '0');
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$urlp = '?eid=' . urlencode(EID);
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if (LFN != 'md_' . strtolower(EID_TYPE)) $urlp .= '&lfn=' . urlencode(LFN);
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if (HTT != LFN) $urlp .= '&htt=' . urlencode(HTT);
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if (DBG) $urlp .= '&dbg=' . urlencode(DBG);
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// name of the language file that needs to be included
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$language_file = LFN;
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require("../inc/global.inc.php");
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$this_section=SECTION_COURSES;
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$nameTools = get_lang('Tool');
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($nameTools && get_lang('Sorry'))
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or give_up('Language file ' . LFN . " doesn't define 'Tool' and 'Sorry'");
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$_course = api_get_course_info(); isset($_course) or give_up(get_lang('Sorry'));
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require(api_get_path(LIBRARY_PATH) . 'xmd.lib.php');
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require(api_get_path(LIBRARY_PATH) . 'xht.lib.php');
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$mdObj = new mdobject($_course, EID_ID); // see 'md_' . EID_TYPE . '.php'
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// Construct assoclist $langLangs from language table ------------------------->
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$result = Database::query("SELECT isocode FROM " .
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Database :: get_main_table(TABLE_MAIN_LANGUAGE) .
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" WHERE available='1' ORDER BY isocode ASC");
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$sep = ":"; $langLangs = $sep . "xx" . $sep . "xx";
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while ($row = Database::fetch_array($result))
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if (($isocode = $row['isocode']))
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$langLangs .= ",, " . $isocode . $sep . $isocode;
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// XML and DB STUFF ----------------------------------------------------------->
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$is_allowed_to_edit = isset($_user['user_id']) && $is_courseMember && is_allowed_to_edit();
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$mdStore = new mdstore($is_allowed_to_edit);
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if (($mdt_rec = $mdStore->mds_get(EID)) === FALSE) // no record, default XML
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$mdt = $mdObj->mdo_generate_default_xml_metadata();
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else $mdt = $mdt_rec;
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$xhtxmldoc = new xmddoc(explode("\n", $mdt));
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$httfile = ($xhtxmldoc->error) ? 'md_editxml.htt' : HTT . '.htt';
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if (!$xhtxmldoc->error && $mdt_rec !== FALSE &&
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method_exists($mdObj, 'mdo_override'))
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$mdt = $mdObj->mdo_override($xhtxmldoc);
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$xhtDoc = define_htt($httfile, $urlp, $_course['path']);
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define('HSH', md5($mdt . LFN . $nameTools . get_lang('Sorry') . $httfile .
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implode('{}', $xhtDoc->htt_array))); // cached HTML depends on LFN+HTT
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$xhtDoc->xht_param['traceinfo'] = $xhtxmldoc->error;
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$xhtDoc->xht_param['dbrecord'] = $mdt_rec !== FALSE ? 'TRUE' : '';
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$xhtDoc->xht_xmldoc = $xhtxmldoc;
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if ($is_allowed_to_edit) $xhtDoc->xht_param['isallowedtoedit'] = 'TRUE';
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if ($is_allowed_to_edit && isset($_POST['mda'])) // MD updates to Doc and DB
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{
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$mdt = $mdStore->mds_update_xml_and_mdt($mdObj, $xhtDoc->xht_xmldoc,
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get_magic_quotes_gpc() ? stripslashes($_POST['mda']) : $_POST['mda'],
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EID, $xhtDoc->xht_param['traceinfo'], $mdt_rec !== FALSE);
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if ($mdt_rec !== FALSE)
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{
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if (strpos($xhtDoc->xht_param['traceinfo'], 'DELETE') !== FALSE)
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$xhtDoc->xht_param['dbrecord'] = '';
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}
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else if (strpos($xhtDoc->xht_param['traceinfo'], 'INSERT') !== FALSE)
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$xhtDoc->xht_param['dbrecord'] = 'TRUE';
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if (method_exists($mdObj, 'mdo_storeback'))
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$mdObj->mdo_storeback($xhtDoc->xht_xmldoc);
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$mdt_rec = FALSE; // cached HTML obsolete, must re-apply templates
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}
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elseif ($is_allowed_to_edit && $_POST['mdt']) // md_editxml.htt
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{
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$mdStore->mds_put(EID,
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get_magic_quotes_gpc() ? stripslashes($_POST['mdt']) : $_POST['mdt'],
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'mdxmltext', '?');
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$mdStore->mds_put(EID, HSH, 'md5');
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$xhtDoc->xht_param['dbrecord'] = 'TRUE';
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$mdt = ''; $xhtDoc->xht_param['traceinfo'] = get_lang('PressAgain');
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$mdt_rec = FALSE; // cached HTML obsolete, must re-apply templates
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}
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$xhtDoc->xht_param['mdt'] = $mdt;
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define('CACHE_IS_VALID', isset($mdt_rec) && $mdt_rec !== FALSE &&
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HSH && HSH == $mdStore->mds_get(EID, 'md5'));
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function md_part($part, $newtext) // callback from template (HTML cache in DB)
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{
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global $mdStore;
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if ($newtext === FALSE)
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{
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if (!CACHE_IS_VALID) return FALSE;
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return '<!-- ' . $part . ' -->' . $mdStore->mds_get(EID, $part);
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}
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else
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{
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$mdStore->mds_put(EID, HSH, 'md5');
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$mdStore->mds_put(EID, $newtext, $part);
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return $newtext;
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}
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}
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function md_part1($newtext) { return md_part('htmlcache1', $newtext); }
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function md_part2($newtext) { return md_part('htmlcache2', $newtext); }
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function md_indexabletext($newtext) { return md_part('indexabletext', $newtext); }
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// GENERATE OUTPUT ------------------------------------------------------------>
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foreach (explode("\n", $xhtDoc->htt_array['HTTP']) as $httpXtra)
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if ($httpXtra) $httpHeadXtra[] = $httpXtra;
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$xhtDoc->xht_get_lang = 'get_lang';
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function resource_for($e) {return $e;} // dummy, '=/' not used here
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$xhtDoc->xht_resource = 'resource_for';
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$htmlHeadXtra[] = $xhtDoc->xht_fill_template('HEAD');
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$mdObj->mdo_add_breadcrump_nav(); // see 'md_' . EID_TYPE . '.php'
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$noPHP_SELF = TRUE; // in breadcrumps
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Display::display_header($nameTools); echo "\n";
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$xhtDoc->xht_dbgn = DBG; // for template debug info, set to e.g. 10000
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if (($ti = $xhtDoc->xht_param['traceinfo'])) $xhtDoc->xht_param['traceinfo'] =
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'<h5>Trace information</h5>' . htmlspecialchars($ti, ENT_QUOTES, $charset);
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echo $xhtDoc->xht_fill_template('METADATA'), "\n";
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if ($xhtDoc->xht_dbgn) echo $xhtDoc->xht_dbgo;
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Display::display_footer();
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?>
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