mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/CategoryTree
synced 2024-11-16 04:33:11 +00:00
395 lines
14 KiB
PHP
395 lines
14 KiB
PHP
<?php
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/**
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* Setup and Hooks for the CategoryTree extension, an AJAX based gadget
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* to display the category structure of a wiki
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*
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* @addtogroup Extensions
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* @author Daniel Kinzler, brightbyte.de
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* @copyright © 2006-2008 Daniel Kinzler and others
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* @license GNU General Public Licence 2.0 or later
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*/
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if( !defined( 'MEDIAWIKI' ) ) {
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echo( "This file is an extension to the MediaWiki software and cannot be used standalone.\n" );
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die( 1 );
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}
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/**
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* Constants for use with the mode,
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* defining what should be shown in the tree
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*/
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define('CT_MODE_CATEGORIES', 0);
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define('CT_MODE_PAGES', 10);
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define('CT_MODE_ALL', 20);
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define('CT_MODE_PARENTS', 100);
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/**
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* Constants for use with the hideprefix option,
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* defining when the namespace prefix should be hidden
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*/
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define('CT_HIDEPREFIX_NEVER', 0);
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define('CT_HIDEPREFIX_ALWAYS', 10);
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define('CT_HIDEPREFIX_CATEGORIES', 20);
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define('CT_HIDEPREFIX_AUTO', 30);
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/**
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* Options:
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*
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* $wgCategoryTreeMaxChildren - maximum number of children shown in a tree node. Default is 200
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* $wgCategoryTreeAllowTag - enable <categorytree> tag. Default is true.
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* $wgCategoryTreeDynamicTag - loads the first level of the tree in a <categorytag> dynamically.
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* This way, the cache does not need to be disabled. Default is false.
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* $wgCategoryTreeDisableCache - disabled the parser cache for pages with a <categorytree> tag. Default is true.
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* $wgCategoryTreeUseCache - enable HTTP cache for anon users. Default is false.
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* $wgCategoryTreeMaxDepth - maximum value for depth argument; An array that maps mode values to
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* the maximum depth acceptable for the depth option.
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* Per default, the "categories" mode has a max depth of 2,
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* all other modes have a max depth of 1.
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* $wgCategoryTreeDefaultOptions - default options for the <categorytree> tag.
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* $wgCategoryTreeCategoryPageOptions - options to apply on category pages.
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* $wgCategoryTreeSpecialPageOptions - options to apply on Special:CategoryTree.
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*/
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$wgCategoryTreeMaxChildren = 200;
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$wgCategoryTreeAllowTag = true;
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$wgCategoryTreeDisableCache = true;
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$wgCategoryTreeDynamicTag = false;
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$wgCategoryTreeHTTPCache = false;
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#$wgCategoryTreeUnifiedView = true;
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$wgCategoryTreeMaxDepth = array(CT_MODE_PAGES => 1, CT_MODE_ALL => 1, CT_MODE_CATEGORIES => 2);
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# Set $wgCategoryTreeForceHeaders to true to force the JS and CSS headers for CategoryTree to be included on every page.
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# May be usefull for using CategoryTree from within system messages, in the sidebar, or a custom skin.
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$wgCategoryTreeForceHeaders = false;
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$wgCategoryTreeSidebarRoot = NULL;
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$wgCategoryTreeHijackPageCategories = false; # EXPERIMENTAL! NOT YET FOR PRODUCTION USE! Main problem is general HTML/CSS layout cruftiness.
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$wgCategoryTreeExtPath = '/extensions/CategoryTree';
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$wgCategoryTreeVersion = '5'; #NOTE: bump this when you change the CSS or JS files!
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$wgCategoryTreeUseCategoryTable = version_compare( $wgVersion, "1.13", '>=' );
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$wgCategoryTreeOmitNamespace = CT_HIDEPREFIX_CATEGORIES;
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$wgCategoryTreeDefaultMode = CT_MODE_CATEGORIES;
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$wgCategoryTreeDefaultOptions = array(); #Default values for most options. ADD NEW OPTIONS HERE!
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$wgCategoryTreeDefaultOptions['mode'] = NULL; # will be set to $wgCategoryTreeDefaultMode in efCategoryTree(); compatibility quirk
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$wgCategoryTreeDefaultOptions['hideprefix'] = NULL; # will be set to $wgCategoryTreeDefaultMode in efCategoryTree(); compatibility quirk
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$wgCategoryTreeDefaultOptions['showcount'] = false;
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$wgCategoryTreeDefaultOptions['namespaces'] = false; # false means "no filter"
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$wgCategoryTreeCategoryPageMode = CT_MODE_CATEGORIES;
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$wgCategoryTreeCategoryPageOptions = array(); #Options to be used for category pages
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$wgCategoryTreeCategoryPageOptions['mode'] = NULL; # will be set to $wgCategoryTreeDefaultMode in efCategoryTree(); compatibility quirk
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$wgCategoryTreeCategoryPageOptions['showcount'] = true;
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$wgCategoryTreeSpecialPageOptions = array(); #Options to be used for Special:CategoryTree
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$wgCategoryTreeSpecialPageOptions['showcount'] = true;
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$wgCategoryTreeSidebarOptions = array(); #Options to be used in the sidebar (for use with $wgCategoryTreeSidebarRoot)
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$wgCategoryTreeSidebarOptions['mode'] = CT_MODE_CATEGORIES;
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$wgCategoryTreeSidebarOptions['hideprefix'] = CT_HIDEPREFIX_CATEGORIES;
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$wgCategoryTreeSidebarOptions['showcount'] = false;
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$wgCategoryTreeSidebarOptions['hideroot'] = true;
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$wgCategoryTreeSidebarOptions['namespaces'] = false;
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$wgCategoryTreeSidebarOptions['depth'] = 1;
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$wgCategoryTreePageCategoryOptions = array(); #Options to be used in the sidebar (for use with $wgCategoryTreePageCategories)
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$wgCategoryTreePageCategoryOptions['mode'] = CT_MODE_PARENTS;
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$wgCategoryTreePageCategoryOptions['hideprefix'] = CT_HIDEPREFIX_CATEGORIES;
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$wgCategoryTreePageCategoryOptions['showcount'] = false;
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$wgCategoryTreePageCategoryOptions['hideroot'] = false;
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$wgCategoryTreePageCategoryOptions['namespaces'] = false;
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$wgCategoryTreePageCategoryOptions['depth'] = 0;
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#$wgCategoryTreePageCategoryOptions['class'] = 'CategoryTreeInlineNode';
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$wgExtensionAliasesFiles['CategoryTree'] = dirname(__FILE__) . '/CategoryTreePage.i18n.alias.php';
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/**
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* Register extension setup hook and credits
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*/
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$wgExtensionFunctions[] = 'efCategoryTree';
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$wgExtensionCredits['specialpage'][] = array(
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'path' => __FILE__,
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'name' => 'CategoryTree',
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'author' => 'Daniel Kinzler',
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'url' => 'http://www.mediawiki.org/wiki/Extension:CategoryTree',
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'description' => 'Dynamically navigate the category structure',
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'descriptionmsg' => 'categorytree-desc',
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);
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$wgExtensionCredits['parserhook'][] = array(
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'path' => __FILE__,
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'name' => 'CategoryTree',
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'author' => 'Daniel Kinzler',
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'url' => 'http://www.mediawiki.org/wiki/Extension:CategoryTree',
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'description' => 'Dynamically navigate the category structure',
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'descriptionmsg' => 'categorytree-desc',
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);
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/**
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* Register the special page
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*/
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$dir = dirname(__FILE__) . '/';
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$wgExtensionMessagesFiles['CategoryTree'] = $dir . 'CategoryTree.i18n.php';
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$wgAutoloadClasses['CategoryTreePage'] = $dir . 'CategoryTreePage.php';
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$wgAutoloadClasses['CategoryTree'] = $dir . 'CategoryTreeFunctions.php';
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$wgAutoloadClasses['CategoryTreeCategoryPage'] = $dir . 'CategoryPageSubclass.php';
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$wgSpecialPages['CategoryTree'] = 'CategoryTreePage';
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$wgSpecialPageGroups['CategoryTree'] = 'pages';
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#$wgHooks['SkinTemplateTabs'][] = 'efCategoryTreeInstallTabs';
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$wgHooks['ArticleFromTitle'][] = 'efCategoryTreeArticleFromTitle';
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$wgHooks['LanguageGetMagic'][] = 'efCategoryTreeGetMagic';
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/**
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* register Ajax function
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*/
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$wgAjaxExportList[] = 'efCategoryTreeAjaxWrapper';
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/**
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* Hook it up
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*/
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function efCategoryTree() {
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global $wgUseAjax, $wgHooks, $wgOut;
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global $wgCategoryTreeDefaultOptions, $wgCategoryTreeDefaultMode, $wgCategoryTreeOmitNamespace;
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global $wgCategoryTreeCategoryPageOptions, $wgCategoryTreeCategoryPageMode;
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global $wgCategoryTreeSidebarRoot, $wgCategoryTreeForceHeaders, $wgCategoryTreeHijackPageCategories;
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# Abort if AJAX is not enabled
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if ( !$wgUseAjax ) {
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wfDebug( 'efCategoryTree: $wgUseAjax is not enabled, aborting extension setup.' );
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return;
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}
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if ( $wgCategoryTreeSidebarRoot ) {
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$wgCategoryTreeForceHeaders = true; # needed on every page anyway
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$wgHooks['SkinTemplateOutputPageBeforeExec'][] = 'efCategoryTreeSkinTemplateOutputPageBeforeExec';
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}
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if ( $wgCategoryTreeHijackPageCategories ) {
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$wgCategoryTreeForceHeaders = true; # needed on almost every page anyway
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$wgHooks['OutputPageMakeCategoryLinks'][] = 'efCategoryTreeOutputPageMakeCategoryLinks';
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$wgHooks['SkinJoinCategoryLinks'][] = 'efCategoryTreeSkinJoinCategoryLinks';
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}
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if ( defined( 'MW_SUPPORTS_PARSERFIRSTCALLINIT' ) ) {
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$wgHooks['ParserFirstCallInit'][] = 'efCategoryTreeSetHooks';
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} else {
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efCategoryTreeSetHooks();
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}
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if ( !isset( $wgCategoryTreeDefaultOptions['mode'] ) || is_null( $wgCategoryTreeDefaultOptions['mode'] ) ) {
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$wgCategoryTreeDefaultOptions['mode'] = $wgCategoryTreeDefaultMode;
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}
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if ( !isset( $wgCategoryTreeDefaultOptions['hideprefix'] ) || is_null( $wgCategoryTreeDefaultOptions['hideprefix'] ) ) {
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$wgCategoryTreeDefaultOptions['hideprefix'] = $wgCategoryTreeOmitNamespace;
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}
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if ( !isset( $wgCategoryTreeCategoryPageOptions['mode'] ) || is_null( $wgCategoryTreeCategoryPageOptions['mode'] ) ) {
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$wgCategoryTreeCategoryPageOptions['mode'] = $wgCategoryTreeCategoryPageMode;
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}
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if ( $wgCategoryTreeForceHeaders ) {
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CategoryTree::setHeaders( $wgOut );
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}
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else {
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$wgHooks['OutputPageParserOutput'][] = 'efCategoryTreeParserOutput';
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}
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}
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function efCategoryTreeSetHooks() {
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global $wgParser, $wgCategoryTreeAllowTag;
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if ( $wgCategoryTreeAllowTag ) {
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$wgParser->setHook( 'categorytree' , 'efCategoryTreeParserHook' );
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$wgParser->setFunctionHook( 'categorytree' , 'efCategoryTreeParserFunction' );
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}
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return true;
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}
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/**
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* Hook magic word
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*/
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function efCategoryTreeGetMagic( &$magicWords, $langCode ) {
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global $wgUseAjax, $wgCategoryTreeAllowTag;
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if ( $wgUseAjax && $wgCategoryTreeAllowTag ) {
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//XXX: should we allow a local alias?
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$magicWords['categorytree'] = array( 0, 'categorytree' );
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}
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return true;
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}
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/**
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* Entry point for Ajax, registered in $wgAjaxExportList.
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* The $enc parameter determins how the $options is decoded into a PHP array.
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* If $enc is not given, '' is asumed, which simulates the old call interface,
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* namely, only providing the mode name or number.
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* This loads CategoryTreeFunctions.php and calls CategoryTree::ajax()
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*/
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function efCategoryTreeAjaxWrapper( $category, $options, $enc = '' ) {
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global $wgCategoryTreeHTTPCache, $wgSquidMaxage, $wgUseSquid;
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if ( is_string( $options ) ) {
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$options = CategoryTree::decodeOptions( $options, $enc );
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}
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$depth = isset( $options['depth'] ) ? (int)$options['depth'] : 1;
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$ct = new CategoryTree( $options, true );
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$depth = efCategoryTreeCapDepth( $ct->getOption('mode'), $depth );
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$response = $ct->ajax( $category, $depth );
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if ( $wgCategoryTreeHTTPCache && $wgSquidMaxage && $wgUseSquid ) {
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$response->setCacheDuration( $wgSquidMaxage );
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$response->setVary( 'Accept-Encoding, Cookie' ); #cache for anons only
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#TODO: purge the squid cache when a category page is invalidated
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}
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return $response;
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}
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/**
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* Internal function to cap depth
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*/
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function efCategoryTreeCapDepth( $mode, $depth ) {
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global $wgCategoryTreeMaxDepth;
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if (is_numeric($depth))
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$depth = intval($depth);
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else return 1;
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if (is_array($wgCategoryTreeMaxDepth)) {
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$max = isset($wgCategoryTreeMaxDepth[$mode]) ? $wgCategoryTreeMaxDepth[$mode] : 1;
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} elseif (is_numeric($wgCategoryTreeMaxDepth)) {
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$max = $wgCategoryTreeMaxDepth;
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} else {
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wfDebug( 'efCategoryTreeCapDepth: $wgCategoryTreeMaxDepth is invalid.' );
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$max = 1;
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}
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return min($depth, $max);
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}
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/**
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* Entry point for the {{#categorytree}} tag parser function.
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* This is a wrapper around efCategoryTreeParserHook
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*/
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function efCategoryTreeParserFunction( &$parser ) {
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$params = func_get_args();
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array_shift( $params ); //first is &$parser, strip it
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//first user-supplied parameter must be category name
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if ( !$params ) return ''; //no category specified, return nothing
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$cat = array_shift( $params );
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//build associative arguments from flat parameter list
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$argv = array();
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foreach ( $params as $p ) {
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if ( preg_match('/^\s*(\S.*?)\s*=\s*(.*?)\s*$/', $p, $m) ) {
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$k = $m[1];
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$v = preg_replace('/^"\s*(.*?)\s*"$/', '$1', $m[2]); //strip any quotes enclusing the value
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}
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else {
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$k = trim($p);
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$v = true;
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}
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$argv[$k] = $v;
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}
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//now handle just like a <categorytree> tag
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$html = efCategoryTreeParserHook( $cat, $argv, $parser );
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return array( $html, 'noparse' => true, 'isHTML' => true );
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}
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/**
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* Hook implementation for injecting a category tree into the sidebar.
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* Registered automatically if $wgCategoryTreeSidebarRoot is set to a category name.
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*/
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function efCategoryTreeSkinTemplateOutputPageBeforeExec( &$skin, &$tpl ) {
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global $wgCategoryTreeSidebarRoot, $wgCategoryTreeSidebarOptions;
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$html = efCategoryTreeParserHook( $wgCategoryTreeSidebarRoot, $wgCategoryTreeSidebarOptions );
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if ( $html ) $tpl->data['sidebar']['categorytree-portlet'] = $html; //requires MW 1.13, r36917
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return true;
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}
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/**
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* Entry point for the <categorytree> tag parser hook.
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* This loads CategoryTreeFunctions.php and calls CategoryTree::getTag()
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*/
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function efCategoryTreeParserHook( $cat, $argv, $parser = NULL, $allowMissing = false ) {
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global $wgOut;
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if ( $parser ) {
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$parser->mOutput->mCategoryTreeTag = true; # flag for use by efCategoryTreeParserOutput
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}
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else {
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CategoryTree::setHeaders( $wgOut );
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}
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$ct = new CategoryTree( $argv );
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$attr = Sanitizer::validateTagAttributes( $argv, 'div' );
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$hideroot = isset( $argv[ 'hideroot' ] ) ? CategoryTree::decodeBoolean( $argv[ 'hideroot' ] ) : null;
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$onlyroot = isset( $argv[ 'onlyroot' ] ) ? CategoryTree::decodeBoolean( $argv[ 'onlyroot' ] ) : null;
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$depthArg = isset( $argv[ 'depth' ] ) ? (int)$argv[ 'depth' ] : null;
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$depth = efCategoryTreeCapDepth( $ct->getOption( 'mode' ), $depthArg );
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if ( $onlyroot ) $depth = 0;
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return $ct->getTag( $parser, $cat, $hideroot, $attr, $depth, $allowMissing );
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}
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/**
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* Hook callback that injects messages and things into the <head> tag
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* Does nothing if $parserOutput->mCategoryTreeTag is not set
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*/
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function efCategoryTreeParserOutput( &$outputPage, $parserOutput ) {
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if ( !empty( $parserOutput->mCategoryTreeTag ) ) {
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CategoryTree::setHeaders( $outputPage );
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}
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return true;
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}
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/**
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* ArticleFromTitle hook, override category page handling
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*/
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function efCategoryTreeArticleFromTitle( &$title, &$article ) {
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if ( $title->getNamespace() == NS_CATEGORY ) {
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$article = new CategoryTreeCategoryPage( $title );
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}
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return true;
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}
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/**
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* OutputPageMakeCategoryLinks hook, override category links
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*/
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function efCategoryTreeOutputPageMakeCategoryLinks( &$out, &$categories, &$links ) {
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global $wgContLang, $wgCategoryTreePageCategoryOptions;
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$ct = new CategoryTree( $wgCategoryTreePageCategoryOptions );
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foreach ( $categories as $category => $type ) {
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$links[$type][] = efCategoryTreeParserHook( $category, $wgCategoryTreePageCategoryOptions, NULL, true );
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}
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return false;
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}
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function efCategoryTreeSkinJoinCategoryLinks( &$skin, &$links, &$result ) {
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$embed = '<div class="CategoryTreePretendInlineMSIE CategoryTreeCategoryBarItem">';
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$pop = '</div>';
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$sep = ' ';
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# $result = '<div class="CategoryTreeCatBarWrapper" style="border:1px solid blue">' . $embed . implode ( "{$pop} {$sep} {$embed}" , $links ) . $pop . '</div>';
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$result = $embed . implode ( "{$pop} {$sep} {$embed}" , $links ) . $pop;
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return false;
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}
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