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Aqueduct 1.2 release for repo upload
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stuckman
283
AqueductExtension.php
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283
AqueductExtension.php
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<?php
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/*
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Aqueduct: A linked data semantic web extension for MediaWiki
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Copyright (C) 2010 The Johns Hopkins University/Applied Physics Laboratory
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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if ( !defined( 'MEDIAWIKI' ) )
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{
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die();
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}
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//Begin profiling
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aqProfile("aq");
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//Put settings here so they can be modified easily
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$wgAqueductTblname = "aqueduct";
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$wgAqueductQueryTblname = "aqueductqueries";
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$wgAqueductOldNSTblname = "aqueductoldnamespaces";
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//Set up PHP options
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ini_set("soap.wsdl_cache_enabled", "0");
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$dir = dirname(__FILE__) . '/includes/';
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//Set up general extension settings
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$wgExtensionCredits['specialpage'][] = array(
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'name' => 'Aqueduct Extension',
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'author' => 'The Johns Hopkins University Applied Physics Laboratory',
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'description' => 'A Mediawiki-based platform that allows users to explore, visualize, and annotate external RDF data sources within a wiki interface',
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'version' => 1.2
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);
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//Set up the special page
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$wgExtensionMessagesFiles['AqueductExtension'] = $dir . 'AqueductExtension.i18n.php';
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$wgAutoloadClasses['SpecialAqueductConfiguration'] = $dir . 'SpecialAqueductConfiguration.php';
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$wgSpecialPages['AqueductConfiguration'] = 'SpecialAqueductConfiguration';
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//Set up the Aqueduct API
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$wgAutoloadClasses['ApiAqueduct'] = $dir . 'ApiAqueduct.php';
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$wgAPIModules['aqueduct'] = 'ApiAqueduct';
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//Set up the Aqueduct Set API
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$wgAutoloadClasses['ApiAqueductSet'] = $dir . 'ApiAqueductSet.php';
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$wgAPIModules['aqueductset'] = 'ApiAqueductSet';
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// Article prepopulation extension
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require_once($dir . 'AqueductPagePopulation.php');
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require_once($dir . 'AqueductEditPage.php');
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// Set up the hook to interupt the edit to check for a new page creation.
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$wgHooks['EditPage::showEditForm:initial'][] = 'aqEditWidgetTagHelp';
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$wgHooks['AlternateEdit'][] = 'aqEditWidgetTagJS';
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$wgHooks['AlternateEdit'][] = 'aqPopulateNewPage';
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//Register a hook to set up the user-configured Mediawiki namespaces
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$wgHooks['SetupAfterCache'][] = 'wfAqueductSetupNS';
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//Load the file with the widget tag logic
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require_once($dir . 'WidgetTags.php');
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//Register the general extension init code (used to set up the widget parser tags)
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if ( defined( 'MW_SUPPORTS_PARSERFIRSTCALLINIT' ) ) {
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$wgHooks['ParserFirstCallInit'][] = 'wfAqueductExtension';
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}
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else { // Otherwise do things the old fashioned way
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$wgExtensionFunctions[] = "wfAqueductExtension";
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}
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//Register the magic word init code (used to set up the parser function alias)
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$wgHooks['LanguageGetMagic'][] = 'wfAqueductExtensionSetMagicWords';
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aqProfile("mw");
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//Function and class definitions go below
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//Set up the user-defined Aqueduct namespaces (this must be called early in Mediawiki's init)
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function wfAqueductSetupNS()
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{
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global $wgAqueductTblname, $wgCanonicalNamespaceNames, $wgExtraNamespaces, $wgAqueductQueryTblname, $wgAqueductOldNSTblname;
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//Don't use DB functions because that file is not loaded here...
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aqProfile("aq");
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$newNamespaces = array();
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$db =& wfGetDB( DB_SLAVE );
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$res = $db->select($wgAqueductTblname, '*');
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while($row = $db->fetchRow($res))
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{
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if (intval($row['aq_wiki_namespace_id'])!=0)
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{
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$newNamespaces[intval($row['aq_wiki_namespace_id'])] = $row['aq_wiki_namespace'];
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$newNamespaces[intval($row['aq_wiki_namespace_id'])+1] = $row['aq_wiki_namespace'].'_talk';
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}
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}
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$db->freeResult($res);
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$res = $db->select($wgAqueductOldNSTblname, '*');
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while($row = $db->fetchRow($res))
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{
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if (intval($row['aq_wiki_namespace_id'])!=0)
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{
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$newNamespaces[intval($row['aq_wiki_namespace_id'])] = $row['aq_wiki_namespace'];
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$newNamespaces[intval($row['aq_wiki_namespace_id'])+1] = $row['aq_wiki_namespace'].'_talk';
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}
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}
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$db->freeResult($res);
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$res = $db->select($wgAqueductQueryTblname, '*');
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while($row = $db->fetchRow($res))
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{
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if (intval($row['aq_wiki_namespace_id'])!=0)
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{
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$newNamespaces[intval($row['aq_wiki_namespace_id'])] = $row['aq_wiki_parent_namespace'] . '_' . $row['aq_wiki_namespace_tag'];
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$newNamespaces[intval($row['aq_wiki_namespace_id'])+1] = $row['aq_wiki_parent_namespace'] . '_' . $row['aq_wiki_namespace_tag'] . '_talk';
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}
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}
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$db->freeResult($res);
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if (!is_array($wgExtraNamespaces))
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{
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$wgExtraNamespaces = array();
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}
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$wgExtraNamespaces = $wgExtraNamespaces + $newNamespaces;
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$wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $newNamespaces;
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aqProfile("mw");
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return true;
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}
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//Extension initialization function (normally used to set up parser tags)
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function wfAqueductExtension()
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{
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global $wgParser,$wgAqueductLayoutMode,$wgDefaultSkin,$wgAqueductJSFiles,$wgRequest,$wgTitle,$wgOut,$wgScriptPath;
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aqProfile("aq");
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wfAqueductSetParserHooks($wgParser);
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//Only do this once (multiple parser init will be called if we are displaying a compound page)
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if (!isset($wgAqueductLayoutMode))
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{
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//Figure out if we are using the gridbook skin; if so, go into layout mode
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$wgAqueductLayoutMode =
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($wgDefaultSkin == 'gridbook' &&
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$wgRequest->getText( 'action', 'view' ) == 'view' &&
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$wgTitle->getNamespace()>-1);
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if ($wgAqueductLayoutMode)
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{
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if (!$wgAqueductJSFiles)
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{
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$wgAqueductJSFiles = array();
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}
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//Force a bunch of JS and CSS files to load even if there are no widgets on the page because we are in layout mode
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$wgAqueductJSFiles['jquery-1.3.2.min.js'] = false;
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$wgAqueductJSFiles['jquery-ui-1.7.2.custom.min.js'] = false;
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$wgAqueductJSFiles['jquery.layout.min-1.2.0.js'] = false;
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$wgAqueductJSFiles['gridPlacement.js'] = false;
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$wgAqueductJSScripts['<link type="text/css" href="'.$wgScriptPath.'/extensions/AqueductExtension/widget/js/aqueduct-layout.css" rel="Stylesheet" />'] = false;
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$wgOut->addScriptFile($wgScriptPath. '/extensions/AqueductExtension/widget/js/jquery-1.3.2.min.js');
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$wgOut->addScriptFile($wgScriptPath. '/extensions/AqueductExtension/widget/js/jquery-ui-1.7.2.custom.min.js');
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$wgOut->addScriptFile($wgScriptPath. '/extensions/AqueductExtension/widget/js/jquery.layout.min-1.2.0.js');
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$wgOut->addScriptFile($wgScriptPath. '/extensions/AqueductExtension/widget/js/gridPlacement.js');
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$wgOut->addScript('<link type="text/css" href="'.$wgScriptPath.'/extensions/AqueductExtension/widget/js/aqueduct-layout.css" rel="Stylesheet" />' . "\n");
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}
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}
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aqProfile("mw");
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return true;
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}
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function aqSetHook($parser, $name, $function, $description)
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{
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global $wgAqueductWidgetTags;
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// Initiate the array
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if (!isset($wgAqueductWidgetTags) || !is_array($wgAqueductWidgetTags))
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$wgAqueductWidgetTags = array();
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// store the description
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$wgAqueductWidgetTags["$name"] = "$description";
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// Add to the parser hooks
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// if parser is null, then only initiate the descriptions!
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if ($parser !== null)
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$parser->setHook( $name, $function );
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}
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function aqSetAdvHook($parser, $name, $function, $description)
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{
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global $wgAqueductAdvWidgetTags;
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// Initiate the array
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if (!isset($wgAqueductAdvWidgetTags) || !is_array($wgAqueductAdvWidgetTags))
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$wgAqueductAdvWidgetTags = array();
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// store the description
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$wgAqueductAdvWidgetTags["$name"] = "$description";
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// Add to the parser hooks
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// if parser is null, then only initiate the descriptions!
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if ($parser !== null)
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$parser->setHook( $name, $function );
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}
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function wfAqueductSetParserHooks($parser)
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{
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global $wgEnableLayoutWidgets,$wgEnableCustomScripts;
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aqSetHook($parser, "aqProfile", "aqProfileTag", "Display profiling output for a page's Aqueduct operations." );
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aqSetHook($parser, "aqRawWidget", "aqRawWidgetTag", "Place a Raw Format widget. Each row represents an RDF triple." );
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aqSetHook($parser, "aqTableViewWidget", "aqTableViewWidgetTag", "Place a Table Format widget. Each row represents an entity, and each column contains fields about that entity." );
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aqSetHook($parser, "aqNetworkViewWidget", "aqNetworkViewWidgetTag", "Place a Google Earth widget. Displays data with geospatial information as markers." );
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aqSetHook($parser, "aqNetworkViewWidget2D", "aqNetworkViewWidget2DTag", "Place a Google Map widget. Displays data with geospatial information as markers." );
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aqSetAdvHook($parser, "aqIncludeWidgets", "aqIncludeWidgetsTag", "Takes a WikiTitle as input and includes all widgets from that page." );
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aqSetAdvHook($parser, "aqAddData", "aqAddDataTag", "Takes a WikiTitle as input and includes all data from that page into widgets on this page." );
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aqSetAdvHook($parser, "aqAddQuery", "aqAddQueryTag", "Takes a SPARQL query as input to execute." );
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aqSetAdvHook($parser, "aqWikiText", "aqWikiTextTag", "Indicates where wikitext should be displayed in a grid-mode page." );
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if ($wgEnableCustomScripts )
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{
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aqSetAdvHook($parser, "aqAddHeader", "aqHeaderTag", "Adds a Javascript file to the page." );
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aqSetAdvHook($parser, "aqAddScript", "aqScriptTag", "Adds a Javascript script to the page." );
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}
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if ($wgEnableLayoutWidgets)
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{
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aqSetAdvHook($parser, "aqLayout", "aqLayoutTag", "Inserts a layout to be used by a Layout widget." );
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aqSetHook($parser, "aqLayoutWidget", "aqLayoutWidgetTag", "Uses the layout inserted into a page via 'aqLayout' to display RDF." );
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}
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if ($parser !== null)
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$parser->setFunctionHook( 'triplemagicword', 'aqAddTripleTag' );
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}
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function wfAqueductExtensionSetMagicWords( &$magicWords, $langCode )
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{
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$magicWords['triplemagicword'] = array( 0, 'triple' );
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return true;
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}
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function aqProfile($newmode)
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{
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global $wgAqueductProfile;
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if ($wgAqueductProfile === TRUE)
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{
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global $aqProfileMode, $aqProfileStart, $aqProfileData;
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$endtime = microtime(TRUE);
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if ($aqProfileMode)
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{
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if (!$aqProfileData)
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{
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$aqProfileData = array();
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}
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if (array_key_exists($aqProfileMode,$aqProfileData))
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{
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$oldtime = $aqProfileData[$aqProfileMode];
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}
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else
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{
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$oldtime = 0.0;
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}
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$totaltime = $endtime - $aqProfileStart;
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$aqProfileData[$aqProfileMode] = $oldtime + $totaltime;
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}
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$aqProfileMode = $newmode;
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$aqProfileStart = microtime(TRUE);
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}
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}
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function aqProfileTag()
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{
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global $aqProfileData;
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$out = print_r($aqProfileData,TRUE);
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$aqProfileData = null;
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return $out;
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}
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?>
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