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-rw-r--r--www/wiki/extensions/CategoryTree/includes/ApiCategoryTree.php143
-rw-r--r--www/wiki/extensions/CategoryTree/includes/CategoryTree.php822
-rw-r--r--www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryPage.php23
-rw-r--r--www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryViewer.php78
-rw-r--r--www/wiki/extensions/CategoryTree/includes/CategoryTreeHidePrefix.php39
-rw-r--r--www/wiki/extensions/CategoryTree/includes/CategoryTreeHooks.php321
-rw-r--r--www/wiki/extensions/CategoryTree/includes/CategoryTreeMode.php38
-rw-r--r--www/wiki/extensions/CategoryTree/includes/CategoryTreePage.php214
8 files changed, 1678 insertions, 0 deletions
diff --git a/www/wiki/extensions/CategoryTree/includes/ApiCategoryTree.php b/www/wiki/extensions/CategoryTree/includes/ApiCategoryTree.php
new file mode 100644
index 00000000..f512ea4c
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/ApiCategoryTree.php
@@ -0,0 +1,143 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+class ApiCategoryTree extends ApiBase {
+ public function execute() {
+ $params = $this->extractRequestParams();
+ $options = [];
+ if ( isset( $params['options'] ) ) {
+ $options = FormatJson::decode( $params['options'] );
+ if ( !is_object( $options ) ) {
+ if ( is_callable( [ $this, 'dieWithError' ] ) ) {
+ $this->dieWithError( 'apierror-categorytree-invalidjson', 'invalidjson' );
+ } else {
+ $this->dieUsage( 'Options must be valid a JSON object', 'invalidjson' );
+ }
+ return;
+ }
+ $options = get_object_vars( $options );
+ }
+ $depth = isset( $options['depth'] ) ? (int)$options['depth'] : 1;
+
+ $ct = new CategoryTree( $options );
+ $depth = CategoryTree::capDepth( $ct->getOption( 'mode' ), $depth );
+ $title = CategoryTree::makeTitle( $params['category'] );
+ $config = $this->getConfig();
+ $ctConfig = ConfigFactory::getDefaultInstance()->makeConfig( 'categorytree' );
+ $html = $this->getHTML( $ct, $title, $depth, $ctConfig );
+
+ if (
+ $ctConfig->get( 'CategoryTreeHTTPCache' ) &&
+ $config->get( 'SquidMaxage' ) &&
+ $config->get( 'UseSquid' )
+ ) {
+ if ( $config->get( 'UseESI' ) ) {
+ $this->getRequest()->response()->header(
+ 'Surrogate-Control: max-age=' . $config->get( 'SquidMaxage' ) . ', content="ESI/1.0"'
+ );
+ $this->getMain()->setCacheMaxAge( 0 );
+ } else {
+ $this->getMain()->setCacheMaxAge( $config->get( 'SquidMaxage' ) );
+ }
+ // cache for anons only
+ $this->getRequest()->response()->header( 'Vary: Accept-Encoding, Cookie' );
+ // TODO: purge the squid cache when a category page is invalidated
+ }
+
+ $this->getResult()->addContentValue( $this->getModuleName(), 'html', $html );
+ }
+
+ /**
+ * @param string $condition
+ *
+ * @return bool|null|string
+ */
+ public function getConditionalRequestData( $condition ) {
+ if ( $condition === 'last-modified' ) {
+ $params = $this->extractRequestParams();
+ $title = CategoryTree::makeTitle( $params['category'] );
+ return wfGetDB( DB_REPLICA )->selectField( 'page', 'page_touched',
+ [
+ 'page_namespace' => NS_CATEGORY,
+ 'page_title' => $title->getDBkey(),
+ ],
+ __METHOD__
+ );
+ }
+ }
+
+ /**
+ * Get category tree HTML for the given tree, title, depth and config
+ *
+ * @param CategoryTree $ct
+ * @param Title $title
+ * @param int $depth
+ * @param Config $ctConfig Config for CategoryTree
+ * @return string HTML
+ */
+ private function getHTML( $ct, $title, $depth, $ctConfig ) {
+ global $wgContLang, $wgMemc;
+
+ $mckey = wfMemcKey(
+ 'ajax-categorytree',
+ md5( $title->getDBkey() ),
+ md5( $ct->getOptionsAsCacheKey( $depth ) ),
+ $this->getLanguage()->getCode(),
+ $wgContLang->getExtraHashOptions(),
+ $ctConfig->get( 'RenderHashAppend' )
+ );
+
+ $touched = $this->getConditionalRequestData( 'last-modified' );
+ if ( $touched ) {
+ $mcvalue = $wgMemc->get( $mckey );
+ if ( $mcvalue && $touched <= $mcvalue['timestamp'] ) {
+ $html = $mcvalue['value'];
+ }
+ }
+
+ if ( !isset( $html ) ) {
+ $html = $ct->renderChildren( $title, $depth );
+
+ $wgMemc->set(
+ $mckey,
+ [
+ 'timestamp' => wfTimestampNow(),
+ 'value' => $html
+ ],
+ 86400
+ );
+ }
+ return trim( $html );
+ }
+
+ public function getAllowedParams() {
+ return [
+ 'category' => [
+ ApiBase::PARAM_TYPE => 'string',
+ ApiBase::PARAM_REQUIRED => true,
+ ],
+ 'options' => [
+ ApiBase::PARAM_TYPE => 'string',
+ ],
+ ];
+ }
+
+ public function isInternal() {
+ return true;
+ }
+}
diff --git a/www/wiki/extensions/CategoryTree/includes/CategoryTree.php b/www/wiki/extensions/CategoryTree/includes/CategoryTree.php
new file mode 100644
index 00000000..139012fd
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/CategoryTree.php
@@ -0,0 +1,822 @@
+<?php
+/**
+ * © 2006-2007 Daniel Kinzler
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Extensions
+ * @author Daniel Kinzler, brightbyte.de
+ */
+
+/**
+ * Core functions for the CategoryTree extension, an AJAX based gadget
+ * to display the category structure of a wiki
+ */
+class CategoryTree {
+ public $mOptions = [];
+
+ /**
+ * @param array $options
+ */
+ public function __construct( $options ) {
+ global $wgCategoryTreeDefaultOptions;
+
+ // ensure default values and order of options.
+ // Order may become important, it may influence the cache key!
+ foreach ( $wgCategoryTreeDefaultOptions as $option => $default ) {
+ if ( isset( $options[$option] ) ) {
+ $this->mOptions[$option] = $options[$option];
+ } else {
+ $this->mOptions[$option] = $default;
+ }
+ }
+
+ $this->mOptions['mode'] = self::decodeMode( $this->mOptions['mode'] );
+
+ if ( $this->mOptions['mode'] == CategoryTreeMode::PARENTS ) {
+ // namespace filter makes no sense with CategoryTreeMode::PARENTS
+ $this->mOptions['namespaces'] = false;
+ }
+
+ $this->mOptions['hideprefix'] = self::decodeHidePrefix( $this->mOptions['hideprefix'] );
+ $this->mOptions['showcount'] = self::decodeBoolean( $this->mOptions['showcount'] );
+ $this->mOptions['namespaces'] = self::decodeNamespaces( $this->mOptions['namespaces'] );
+
+ if ( $this->mOptions['namespaces'] ) {
+ # automatically adjust mode to match namespace filter
+ if ( count( $this->mOptions['namespaces'] ) === 1
+ && $this->mOptions['namespaces'][0] == NS_CATEGORY ) {
+ $this->mOptions['mode'] = CategoryTreeMode::CATEGORIES;
+ } elseif ( !in_array( NS_FILE, $this->mOptions['namespaces'] ) ) {
+ $this->mOptions['mode'] = CategoryTreeMode::PAGES;
+ } else {
+ $this->mOptions['mode'] = CategoryTreeMode::ALL;
+ }
+ }
+ }
+
+ /**
+ * @param string $name
+ * @return mixed
+ */
+ public function getOption( $name ) {
+ return $this->mOptions[$name];
+ }
+
+ /**
+ * @return bool
+ */
+ private function isInverse() {
+ return $this->getOption( 'mode' ) == CategoryTreeMode::PARENTS;
+ }
+
+ /**
+ * @param mixed $nn
+ * @return array|bool
+ */
+ private static function decodeNamespaces( $nn ) {
+ global $wgContLang;
+
+ if ( $nn === false || is_null( $nn ) ) {
+ return false;
+ }
+
+ if ( !is_array( $nn ) ) {
+ $nn = preg_split( '![\s#:|]+!', $nn );
+ }
+
+ $namespaces = [];
+
+ foreach ( $nn as $n ) {
+ if ( is_int( $n ) ) {
+ $ns = $n;
+ } else {
+ $n = trim( $n );
+ if ( $n === '' ) {
+ continue;
+ }
+
+ $lower = strtolower( $n );
+
+ if ( is_numeric( $n ) ) {
+ $ns = (int)$n;
+ } elseif ( $n == '-' || $n == '_' || $n == '*' || $lower == 'main' ) {
+ $ns = NS_MAIN;
+ } else {
+ $ns = $wgContLang->getNsIndex( $n );
+ }
+ }
+
+ if ( is_int( $ns ) ) {
+ $namespaces[] = $ns;
+ }
+ }
+
+ sort( $namespaces ); # get elements into canonical order
+ return $namespaces;
+ }
+
+ /**
+ * @param mixed $mode
+ * @return int|string
+ */
+ public static function decodeMode( $mode ) {
+ global $wgCategoryTreeDefaultOptions;
+
+ if ( is_null( $mode ) ) {
+ return $wgCategoryTreeDefaultOptions['mode'];
+ }
+ if ( is_int( $mode ) ) {
+ return $mode;
+ }
+
+ $mode = trim( strtolower( $mode ) );
+
+ if ( is_numeric( $mode ) ) {
+ return (int)$mode;
+ }
+
+ if ( $mode == 'all' ) {
+ $mode = CategoryTreeMode::ALL;
+ } elseif ( $mode == 'pages' ) {
+ $mode = CategoryTreeMode::PAGES;
+ } elseif ( $mode == 'categories' || $mode == 'sub' ) {
+ $mode = CategoryTreeMode::CATEGORIES;
+ } elseif ( $mode == 'parents' || $mode == 'super' || $mode == 'inverse' ) {
+ $mode = CategoryTreeMode::PARENTS;
+ } elseif ( $mode == 'default' ) {
+ $mode = $wgCategoryTreeDefaultOptions['mode'];
+ }
+
+ return (int)$mode;
+ }
+
+ /**
+ * Helper function to convert a string to a boolean value.
+ * Perhaps make this a global function in MediaWiki proper
+ * @param mixed $value
+ * @return bool|null|string
+ */
+ public static function decodeBoolean( $value ) {
+ if ( is_null( $value ) ) {
+ return null;
+ }
+ if ( is_bool( $value ) ) {
+ return $value;
+ }
+ if ( is_int( $value ) ) {
+ return ( $value > 0 );
+ }
+
+ $value = trim( strtolower( $value ) );
+ if ( is_numeric( $value ) ) {
+ return ( (int)$value > 0 );
+ }
+
+ if ( $value == 'yes' || $value == 'y'
+ || $value == 'true' || $value == 't' || $value == 'on'
+ ) {
+ return true;
+ } elseif ( $value == 'no' || $value == 'n'
+ || $value == 'false' || $value == 'f' || $value == 'off'
+ ) {
+ return false;
+ } elseif ( $value == 'null' || $value == 'default' || $value == 'none' || $value == 'x' ) {
+ return null;
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * @param mixed $value
+ * @return int|string
+ */
+ public static function decodeHidePrefix( $value ) {
+ global $wgCategoryTreeDefaultOptions;
+
+ if ( is_null( $value ) ) {
+ return $wgCategoryTreeDefaultOptions['hideprefix'];
+ }
+ if ( is_int( $value ) ) {
+ return $value;
+ }
+ if ( $value === true ) {
+ return CategoryTreeHidePrefix::ALWAYS;
+ }
+ if ( $value === false ) {
+ return CategoryTreeHidePrefix::NEVER;
+ }
+
+ $value = trim( strtolower( $value ) );
+
+ if ( $value == 'yes' || $value == 'y'
+ || $value == 'true' || $value == 't' || $value == 'on'
+ ) {
+ return CategoryTreeHidePrefix::ALWAYS;
+ } elseif ( $value == 'no' || $value == 'n'
+ || $value == 'false' || $value == 'f' || $value == 'off'
+ ) {
+ return CategoryTreeHidePrefix::NEVER;
+ } elseif ( $value == 'always' ) {
+ return CategoryTreeHidePrefix::ALWAYS;
+ } elseif ( $value == 'never' ) {
+ return CategoryTreeHidePrefix::NEVER;
+ } elseif ( $value == 'auto' ) {
+ return CategoryTreeHidePrefix::AUTO;
+ } elseif ( $value == 'categories' || $value == 'category' || $value == 'smart' ) {
+ return CategoryTreeHidePrefix::CATEGORIES;
+ } else {
+ return $wgCategoryTreeDefaultOptions['hideprefix'];
+ }
+ }
+
+ /**
+ * Add ResourceLoader modules to the OutputPage object
+ * @param OutputPage $outputPage
+ */
+ public static function setHeaders( $outputPage ) {
+ # Add the modules
+ $outputPage->addModuleStyles( 'ext.categoryTree.css' );
+ $outputPage->addModules( 'ext.categoryTree' );
+ }
+
+ /**
+ * @param array $options
+ * @param string $enc
+ * @return mixed
+ * @throws Exception
+ */
+ protected static function encodeOptions( $options, $enc ) {
+ if ( $enc == 'mode' || $enc == '' ) {
+ $opt = $options['mode'];
+ } elseif ( $enc == 'json' ) {
+ $opt = FormatJson::encode( $options );
+ } else {
+ throw new Exception( 'Unknown encoding for CategoryTree options: ' . $enc );
+ }
+
+ return $opt;
+ }
+
+ /**
+ * @param string|null $depth
+ * @return string
+ */
+ public function getOptionsAsCacheKey( $depth = null ) {
+ $key = "";
+
+ foreach ( $this->mOptions as $k => $v ) {
+ if ( is_array( $v ) ) {
+ $v = implode( '|', $v );
+ }
+ $key .= $k . ':' . $v . ';';
+ }
+
+ if ( !is_null( $depth ) ) {
+ $key .= ";depth=" . $depth;
+ }
+ return $key;
+ }
+
+ /**
+ * @param int|null $depth
+ * @return mixed
+ */
+ public function getOptionsAsJsStructure( $depth = null ) {
+ if ( $depth !== null ) {
+ $opt = $this->mOptions;
+ $opt['depth'] = $depth;
+ $s = self::encodeOptions( $opt, 'json' );
+ } else {
+ $s = self::encodeOptions( $this->mOptions, 'json' );
+ }
+
+ return $s;
+ }
+
+ /**
+ * @return string
+ */
+ private function getOptionsAsUrlParameters() {
+ return http_build_query( $this->mOptions );
+ }
+
+ /**
+ * Custom tag implementation. This is called by CategoryTreeHooks::parserHook, which is used to
+ * load CategoryTreeFunctions.php on demand.
+ * @param Parser $parser
+ * @param string $category
+ * @param bool $hideroot
+ * @param array $attr
+ * @param int $depth
+ * @param bool $allowMissing
+ * @return bool|string
+ */
+ public function getTag( $parser, $category, $hideroot = false, $attr = [], $depth = 1,
+ $allowMissing = false
+ ) {
+ global $wgCategoryTreeDisableCache;
+
+ $category = trim( $category );
+ if ( $category === '' ) {
+ return false;
+ }
+
+ if ( $parser ) {
+ if ( $wgCategoryTreeDisableCache === true ) {
+ $parser->disableCache();
+ } elseif ( is_int( $wgCategoryTreeDisableCache ) ) {
+ $parser->getOutput()->updateCacheExpiry( $wgCategoryTreeDisableCache );
+ }
+ }
+
+ $title = self::makeTitle( $category );
+
+ if ( $title === false || $title === null ) {
+ return false;
+ }
+
+ if ( isset( $attr['class'] ) ) {
+ $attr['class'] .= ' CategoryTreeTag';
+ } else {
+ $attr['class'] = ' CategoryTreeTag';
+ }
+
+ $attr['data-ct-mode'] = $this->mOptions['mode'];
+ $attr['data-ct-options'] = $this->getOptionsAsJsStructure();
+
+ $html = '';
+ $html .= Html::openElement( 'div', $attr );
+
+ if ( !$allowMissing && !$title->getArticleID() ) {
+ $html .= Html::openElement( 'span', [ 'class' => 'CategoryTreeNotice' ] );
+ if ( $parser ) {
+ $html .= $parser->recursiveTagParse(
+ wfMessage( 'categorytree-not-found', $category )->plain() );
+ } else {
+ $html .= wfMessage( 'categorytree-not-found', $category )->parse();
+ }
+ $html .= Html::closeElement( 'span' );
+ } else {
+ if ( !$hideroot ) {
+ $html .= $this->renderNode( $title, $depth );
+ } else {
+ $html .= $this->renderChildren( $title, $depth );
+ }
+ }
+
+ $html .= Xml::closeElement( 'div' );
+ $html .= "\n\t\t";
+
+ return $html;
+ }
+
+ /**
+ * Returns a string with an HTML representation of the children of the given category.
+ * @param Title $title
+ * @param int $depth
+ * @return string
+ */
+ public function renderChildren( $title, $depth = 1 ) {
+ global $wgCategoryTreeMaxChildren, $wgCategoryTreeUseCategoryTable;
+
+ if ( $title->getNamespace() != NS_CATEGORY ) {
+ // Non-categories can't have children. :)
+ return '';
+ }
+
+ $dbr = wfGetDB( DB_REPLICA );
+
+ $inverse = $this->isInverse();
+ $mode = $this->getOption( 'mode' );
+ $namespaces = $this->getOption( 'namespaces' );
+
+ $tables = [ 'page', 'categorylinks' ];
+ $fields = [ 'page_id', 'page_namespace', 'page_title',
+ 'page_is_redirect', 'page_len', 'page_latest', 'cl_to',
+ 'cl_from' ];
+ $where = [];
+ $joins = [];
+ $options = [ 'ORDER BY' => 'cl_type, cl_sortkey', 'LIMIT' => $wgCategoryTreeMaxChildren ];
+
+ if ( $inverse ) {
+ $joins['categorylinks'] = [ 'RIGHT JOIN', [
+ 'cl_to = page_title', 'page_namespace' => NS_CATEGORY
+ ] ];
+ $where['cl_from'] = $title->getArticleID();
+ } else {
+ $joins['categorylinks'] = [ 'JOIN', 'cl_from = page_id' ];
+ $where['cl_to'] = $title->getDBkey();
+ $options['USE INDEX']['categorylinks'] = 'cl_sortkey';
+
+ # namespace filter.
+ if ( $namespaces ) {
+ // NOTE: we assume that the $namespaces array contains only integers!
+ // decodeNamepsaces makes it so.
+ $where['page_namespace'] = $namespaces;
+ } elseif ( $mode != CategoryTreeMode::ALL ) {
+ if ( $mode == CategoryTreeMode::PAGES ) {
+ $where['cl_type'] = [ 'page', 'subcat' ];
+ } else {
+ $where['cl_type'] = 'subcat';
+ }
+ }
+ }
+
+ # fetch member count if possible
+ $doCount = !$inverse && $wgCategoryTreeUseCategoryTable;
+
+ if ( $doCount ) {
+ $tables = array_merge( $tables, [ 'category' ] );
+ $fields = array_merge( $fields, [
+ 'cat_id', 'cat_title', 'cat_subcats', 'cat_pages', 'cat_files'
+ ] );
+ $joins['category'] = [ 'LEFT JOIN', [
+ 'cat_title = page_title', 'page_namespace' => NS_CATEGORY ]
+ ];
+ }
+
+ $res = $dbr->select( $tables, $fields, $where, __METHOD__, $options, $joins );
+
+ # collect categories separately from other pages
+ $categories = '';
+ $other = '';
+
+ foreach ( $res as $row ) {
+ # NOTE: in inverse mode, the page record may be null, because we use a right join.
+ # happens for categories with no category page (red cat links)
+ if ( $inverse && $row->page_title === null ) {
+ $t = Title::makeTitle( NS_CATEGORY, $row->cl_to );
+ } else {
+ # TODO: translation support; ideally added to Title object
+ $t = Title::newFromRow( $row );
+ }
+
+ $cat = null;
+
+ if ( $doCount && $row->page_namespace == NS_CATEGORY ) {
+ $cat = Category::newFromRow( $row, $t );
+ }
+
+ $s = $this->renderNodeInfo( $t, $cat, $depth - 1 );
+ $s .= "\n\t\t";
+
+ if ( $row->page_namespace == NS_CATEGORY ) {
+ $categories .= $s;
+ } else {
+ $other .= $s;
+ }
+ }
+
+ return $categories . $other;
+ }
+
+ /**
+ * Returns a string with an HTML representation of the parents of the given category.
+ * @param Title $title
+ * @return string
+ */
+ public function renderParents( $title ) {
+ global $wgCategoryTreeMaxChildren;
+
+ $dbr = wfGetDB( DB_REPLICA );
+
+ $res = $dbr->select(
+ 'categorylinks',
+ [
+ 'page_namespace' => NS_CATEGORY,
+ 'page_title' => 'cl_to',
+ ],
+ [ 'cl_from' => $title->getArticleID() ],
+ __METHOD__,
+ [
+ 'LIMIT' => $wgCategoryTreeMaxChildren,
+ 'ORDER BY' => 'cl_to'
+ ]
+ );
+
+ $special = SpecialPage::getTitleFor( 'CategoryTree' );
+
+ $s = '';
+
+ foreach ( $res as $row ) {
+ $t = Title::newFromRow( $row );
+
+ $label = $t->getText();
+
+ $wikiLink = $special->getLocalURL( 'target=' . $t->getPartialURL() .
+ '&' . $this->getOptionsAsUrlParameters() );
+
+ if ( $s !== '' ) {
+ $s .= wfMessage( 'pipe-separator' )->escaped();
+ }
+
+ $s .= Xml::openElement( 'span', [ 'class' => 'CategoryTreeItem' ] );
+ $s .= Xml::element( 'a', [ 'class' => 'CategoryTreeLabel', 'href' => $wikiLink ], $label );
+ $s .= Xml::closeElement( 'span' );
+
+ $s .= "\n\t\t";
+ }
+
+ return $s;
+ }
+
+ /**
+ * Returns a string with a HTML represenation of the given page.
+ * @param Title $title
+ * @param int $children
+ * @return string
+ */
+ public function renderNode( $title, $children = 0 ) {
+ global $wgCategoryTreeUseCategoryTable;
+
+ if ( $wgCategoryTreeUseCategoryTable && $title->getNamespace() == NS_CATEGORY
+ && !$this->isInverse()
+ ) {
+ $cat = Category::newFromTitle( $title );
+ } else {
+ $cat = null;
+ }
+
+ return $this->renderNodeInfo( $title, $cat, $children );
+ }
+
+ /**
+ * Returns a string with a HTML represenation of the given page.
+ * $info must be an associative array, containing at least a Title object under the 'title' key.
+ * @param Title $title
+ * @param Category $cat
+ * @param int $children
+ * @return string
+ */
+ public function renderNodeInfo( $title, $cat, $children = 0 ) {
+ $mode = $this->getOption( 'mode' );
+
+ $ns = $title->getNamespace();
+ $key = $title->getDBkey();
+
+ $hideprefix = $this->getOption( 'hideprefix' );
+
+ if ( $hideprefix == CategoryTreeHidePrefix::ALWAYS ) {
+ $hideprefix = true;
+ } elseif ( $hideprefix == CategoryTreeHidePrefix::AUTO ) {
+ $hideprefix = ( $mode == CategoryTreeMode::CATEGORIES );
+ } elseif ( $hideprefix == CategoryTreeHidePrefix::CATEGORIES ) {
+ $hideprefix = ( $ns == NS_CATEGORY );
+ } else {
+ $hideprefix = true;
+ }
+
+ // when showing only categories, omit namespace in label unless we explicitely defined the
+ // configuration setting
+ // patch contributed by Manuel Schneider <manuel.schneider@wikimedia.ch>, Bug 8011
+ if ( $hideprefix ) {
+ $label = $title->getText();
+ } else {
+ $label = $title->getPrefixedText();
+ }
+
+ $labelClass = 'CategoryTreeLabel ' . ' CategoryTreeLabelNs' . $ns;
+
+ if ( !$title->getArticleID() ) {
+ $labelClass .= ' new';
+ $wikiLink = $title->getLocalURL( 'action=edit&redlink=1' );
+ } else {
+ $wikiLink = $title->getLocalURL();
+ }
+
+ if ( $ns == NS_CATEGORY ) {
+ $labelClass .= ' CategoryTreeLabelCategory';
+ } else {
+ $labelClass .= ' CategoryTreeLabelPage';
+ }
+
+ if ( ( $ns % 2 ) > 0 ) {
+ $labelClass .= ' CategoryTreeLabelTalk';
+ }
+
+ $count = false;
+ $s = '';
+
+ # NOTE: things in CategoryTree.js rely on the exact order of tags!
+ # Specifically, the CategoryTreeChildren div must be the first
+ # sibling with nodeName = DIV of the grandparent of the expland link.
+
+ $s .= Xml::openElement( 'div', [ 'class' => 'CategoryTreeSection' ] );
+ $s .= Xml::openElement( 'div', [ 'class' => 'CategoryTreeItem' ] );
+
+ $attr = [ 'class' => 'CategoryTreeBullet' ];
+
+ if ( $ns == NS_CATEGORY ) {
+ if ( $cat ) {
+ if ( $mode == CategoryTreeMode::CATEGORIES ) {
+ $count = intval( $cat->getSubcatCount() );
+ } elseif ( $mode == CategoryTreeMode::PAGES ) {
+ $count = intval( $cat->getPageCount() ) - intval( $cat->getFileCount() );
+ } else {
+ $count = intval( $cat->getPageCount() );
+ }
+ }
+ if ( $count === 0 ) {
+ $bullet = wfMessage( 'categorytree-empty-bullet' )->escaped() . ' ';
+ $attr['class'] = 'CategoryTreeEmptyBullet';
+ } else {
+ $linkattr = [];
+
+ $linkattr[ 'class' ] = "CategoryTreeToggle";
+ $linkattr['data-ct-title'] = $key;
+
+ $tag = 'span';
+ if ( $children == 0 ) {
+ // Use ->plain() and htmlspecialchars() to ensure
+ // identical to what is done by JS, which does:
+ // $link.text( mw.msg( 'categorytree-expand-bullet' ) )
+ $txt = htmlspecialchars( wfMessage( 'categorytree-expand-bullet' )->plain() );
+ $linkattr[ 'data-ct-state' ] = 'collapsed';
+ } else {
+ $txt = htmlspecialchars( wfMessage( 'categorytree-collapse-bullet' )->plain() );
+ $linkattr[ 'data-ct-loaded' ] = true;
+ $linkattr[ 'data-ct-state' ] = 'expanded';
+ }
+
+ $bullet = Xml::openElement( $tag, $linkattr ) . $txt . Xml::closeElement( $tag ) . ' ';
+ }
+ } else {
+ $bullet = wfMessage( 'categorytree-page-bullet' )->escaped();
+ }
+ $s .= Xml::tags( 'span', $attr, $bullet ) . ' ';
+
+ $s .= Xml::element(
+ 'a',
+ [
+ 'class' => $labelClass,
+ 'href' => $wikiLink,
+ 'title' => $title->getPrefixedText()
+ ],
+ $label
+ );
+
+ if ( $count !== false && $this->getOption( 'showcount' ) ) {
+ $s .= self::createCountString( RequestContext::getMain(), $cat, $count );
+ }
+
+ $s .= Xml::closeElement( 'div' );
+ $s .= "\n\t\t";
+ $s .= Xml::openElement(
+ 'div',
+ [
+ 'class' => 'CategoryTreeChildren',
+ 'style' => $children > 0 ? "display:block" : "display:none"
+ ]
+ );
+
+ if ( $ns == NS_CATEGORY && $children > 0 ) {
+ $children = $this->renderChildren( $title, $children );
+ if ( $children == '' ) {
+ $s .= Xml::openElement( 'i', [ 'class' => 'CategoryTreeNotice' ] );
+ if ( $mode == CategoryTreeMode::CATEGORIES ) {
+ $s .= wfMessage( 'categorytree-no-subcategories' )->escaped();
+ } elseif ( $mode == CategoryTreeMode::PAGES ) {
+ $s .= wfMessage( 'categorytree-no-pages' )->escaped();
+ } elseif ( $mode == CategoryTreeMode::PARENTS ) {
+ $s .= wfMessage( 'categorytree-no-parent-categories' )->escaped();
+ } else {
+ $s .= wfMessage( 'categorytree-nothing-found' )->escaped();
+ }
+ $s .= Xml::closeElement( 'i' );
+ } else {
+ $s .= $children;
+ }
+ }
+
+ $s .= Xml::closeElement( 'div' );
+ $s .= Xml::closeElement( 'div' );
+
+ $s .= "\n\t\t";
+
+ return $s;
+ }
+
+ /**
+ * Create a string which format the page, subcat and file counts of a category
+ * @param IContextSource $context
+ * @param Category|null $cat
+ * @param int $countMode
+ * @return string
+ */
+ public static function createCountString( IContextSource $context, $cat, $countMode ) {
+ global $wgContLang;
+
+ # Get counts, with conversion to integer so === works
+ # Note: $allCount is the total number of cat members,
+ # not the count of how many members are normal pages.
+ $allCount = $cat ? intval( $cat->getPageCount() ) : 0;
+ $subcatCount = $cat ? intval( $cat->getSubcatCount() ) : 0;
+ $fileCount = $cat ? intval( $cat->getFileCount() ) : 0;
+ $pages = $allCount - $subcatCount - $fileCount;
+
+ $attr = [
+ 'title' => $context->msg( 'categorytree-member-counts' )
+ ->numParams( $subcatCount, $pages, $fileCount, $allCount, $countMode )->text(),
+ 'dir' => $context->getLanguage()->getDir() # numbers and commas get messed up in a mixed dir env
+ ];
+
+ $s = $wgContLang->getDirMark() . ' ';
+
+ # Create a list of category members with only non-zero member counts
+ $memberNums = [];
+ if ( $subcatCount ) {
+ $memberNums[] = $context->msg( 'categorytree-num-categories' )
+ ->numParams( $subcatCount )->text();
+ }
+ if ( $pages ) {
+ $memberNums[] = $context->msg( 'categorytree-num-pages' )->numParams( $pages )->text();
+ }
+ if ( $fileCount ) {
+ $memberNums[] = $context->msg( 'categorytree-num-files' )
+ ->numParams( $fileCount )->text();
+ }
+ $memberNumsShort = $memberNums
+ ? $context->getLanguage()->commaList( $memberNums )
+ : $context->msg( 'categorytree-num-empty' )->text();
+
+ # Only $5 is actually used in the default message.
+ # Other arguments can be used in a customized message.
+ $s .= Xml::tags(
+ 'span',
+ $attr,
+ $context->msg( 'categorytree-member-num' )
+ // Do not use numParams on params 1-4, as they are only used for customisation.
+ ->params( $subcatCount, $pages, $fileCount, $allCount, $memberNumsShort )
+ ->escaped()
+ );
+
+ return $s;
+ }
+
+ /**
+ * Creates a Title object from a user provided (and thus unsafe) string
+ * @param string $title
+ * @return null|Title
+ */
+ public static function makeTitle( $title ) {
+ $title = trim( $title );
+
+ if ( strval( $title ) === '' ) {
+ return null;
+ }
+
+ # The title must be in the category namespace
+ # Ignore a leading Category: if there is one
+ $t = Title::newFromText( $title, NS_CATEGORY );
+ if ( !$t || $t->getNamespace() != NS_CATEGORY || $t->getInterwiki() != '' ) {
+ // If we were given something like "Wikipedia:Foo" or "Template:",
+ // try it again but forced.
+ $title = "Category:$title";
+ $t = Title::newFromText( $title );
+ }
+ return $t;
+ }
+
+ /**
+ * Internal function to cap depth
+ * @param string $mode
+ * @param int $depth
+ * @return int|mixed
+ */
+ public static function capDepth( $mode, $depth ) {
+ global $wgCategoryTreeMaxDepth;
+
+ if ( is_numeric( $depth ) ) {
+ $depth = intval( $depth );
+ } else {
+ return 1;
+ }
+
+ if ( is_array( $wgCategoryTreeMaxDepth ) ) {
+ $max = isset( $wgCategoryTreeMaxDepth[$mode] ) ? $wgCategoryTreeMaxDepth[$mode] : 1;
+ } elseif ( is_numeric( $wgCategoryTreeMaxDepth ) ) {
+ $max = $wgCategoryTreeMaxDepth;
+ } else {
+ wfDebug( 'CategoryTree::capDepth: $wgCategoryTreeMaxDepth is invalid.' );
+ $max = 1;
+ }
+
+ return min( $depth, $max );
+ }
+}
diff --git a/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryPage.php b/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryPage.php
new file mode 100644
index 00000000..77ab51a0
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryPage.php
@@ -0,0 +1,23 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+class CategoryTreeCategoryPage extends CategoryPage {
+ public $mCategoryViewerClass = CategoryTreeCategoryViewer::class;
+}
diff --git a/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryViewer.php b/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryViewer.php
new file mode 100644
index 00000000..434d7222
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryViewer.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+class CategoryTreeCategoryViewer extends CategoryViewer {
+ public $child_cats;
+
+ /**
+ * @var CategoryTree
+ */
+ public $categorytree;
+
+ /**
+ * @return CategoryTree
+ */
+ private function getCategoryTree() {
+ global $wgCategoryTreeCategoryPageOptions;
+
+ if ( !isset( $this->categorytree ) ) {
+ if ( !CategoryTreeHooks::shouldForceHeaders() ) {
+ CategoryTree::setHeaders( $this->getOutput() );
+ }
+
+ $this->categorytree = new CategoryTree( $wgCategoryTreeCategoryPageOptions );
+ }
+
+ return $this->categorytree;
+ }
+
+ /**
+ * Add a subcategory to the internal lists
+ * @param Category $cat
+ * @param string $sortkey
+ * @param int $pageLength
+ */
+ public function addSubcategoryObject( Category $cat, $sortkey, $pageLength ) {
+ $title = $cat->getTitle();
+
+ if ( $this->getRequest()->getCheck( 'notree' ) ) {
+ parent::addSubcategoryObject( $cat, $sortkey, $pageLength );
+ return;
+ }
+
+ $tree = $this->getCategoryTree();
+
+ $this->children[] = $tree->renderNodeInfo( $title, $cat );
+
+ $this->children_start_char[] = $this->getSubcategorySortChar( $title, $sortkey );
+ }
+
+ public function clearCategoryState() {
+ $this->child_cats = [];
+ parent::clearCategoryState();
+ }
+
+ public function finaliseCategoryState() {
+ if ( $this->flip ) {
+ $this->child_cats = array_reverse( $this->child_cats );
+ }
+ parent::finaliseCategoryState();
+ }
+}
diff --git a/www/wiki/extensions/CategoryTree/includes/CategoryTreeHidePrefix.php b/www/wiki/extensions/CategoryTree/includes/CategoryTreeHidePrefix.php
new file mode 100644
index 00000000..29d69b70
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/CategoryTreeHidePrefix.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * © 2006 Daniel Kinzler
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Extensions
+ * @author Daniel Kinzler, brightbyte.de
+ */
+
+/**
+ * Constants for use with the hideprefix option,
+ * defining when the namespace prefix should be hidden.
+ */
+class CategoryTreeHidePrefix {
+
+ const NEVER = 0;
+
+ const ALWAYS = 10;
+
+ const CATEGORIES = 20;
+
+ const AUTO = 30;
+
+}
diff --git a/www/wiki/extensions/CategoryTree/includes/CategoryTreeHooks.php b/www/wiki/extensions/CategoryTree/includes/CategoryTreeHooks.php
new file mode 100644
index 00000000..a30d4932
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/CategoryTreeHooks.php
@@ -0,0 +1,321 @@
+<?php
+/**
+ * © 2006-2008 Daniel Kinzler and others
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Extensions
+ * @author Daniel Kinzler, brightbyte.de
+ */
+
+/**
+ * Hooks for the CategoryTree extension, an AJAX based gadget
+ * to display the category structure of a wiki
+ */
+class CategoryTreeHooks {
+
+ public static function shouldForceHeaders() {
+ global $wgCategoryTreeSidebarRoot, $wgCategoryTreeHijackPageCategories,
+ $wgCategoryTreeForceHeaders;
+ return $wgCategoryTreeForceHeaders || $wgCategoryTreeSidebarRoot
+ || $wgCategoryTreeHijackPageCategories;
+ }
+
+ /**
+ * Adjusts config once MediaWiki is fully initialised
+ * TODO: Don't do this, lazy initialize the config
+ */
+ public static function initialize() {
+ global $wgRequest;
+ global $wgCategoryTreeDefaultOptions, $wgCategoryTreeDefaultMode;
+ global $wgCategoryTreeCategoryPageOptions, $wgCategoryTreeCategoryPageMode;
+ global $wgCategoryTreeOmitNamespace;
+
+ if ( !isset( $wgCategoryTreeDefaultOptions['mode'] )
+ || is_null( $wgCategoryTreeDefaultOptions['mode'] )
+ ) {
+ $wgCategoryTreeDefaultOptions['mode'] = $wgCategoryTreeDefaultMode;
+ }
+
+ if ( !isset( $wgCategoryTreeDefaultOptions['hideprefix'] )
+ || is_null( $wgCategoryTreeDefaultOptions['hideprefix'] )
+ ) {
+ $wgCategoryTreeDefaultOptions['hideprefix'] = $wgCategoryTreeOmitNamespace;
+ }
+
+ if ( !isset( $wgCategoryTreeCategoryPageOptions['mode'] )
+ || is_null( $wgCategoryTreeCategoryPageOptions['mode'] )
+ ) {
+ $mode = $wgRequest->getVal( 'mode' );
+ $wgCategoryTreeCategoryPageOptions['mode'] = ( $mode )
+ ? CategoryTree::decodeMode( $mode ) : $wgCategoryTreeCategoryPageMode;
+ }
+ }
+
+ /**
+ * @param Parser $parser
+ */
+ public static function setHooks( $parser ) {
+ global $wgCategoryTreeAllowTag;
+ if ( !$wgCategoryTreeAllowTag ) {
+ return;
+ }
+ $parser->setHook( 'categorytree', 'CategoryTreeHooks::parserHook' );
+ $parser->setFunctionHook( 'categorytree', 'CategoryTreeHooks::parserFunction' );
+ }
+
+ /**
+ * Entry point for the {{#categorytree}} tag parser function.
+ * This is a wrapper around CategoryTreeHooks::parserHook
+ * @param Parser $parser
+ * @return array|string
+ */
+ public static function parserFunction( $parser ) {
+ $params = func_get_args();
+ array_shift( $params ); // first is $parser, strip it
+
+ // first user-supplied parameter must be category name
+ if ( !$params ) {
+ return ''; // no category specified, return nothing
+ }
+ $cat = array_shift( $params );
+
+ // build associative arguments from flat parameter list
+ $argv = [];
+ foreach ( $params as $p ) {
+ if ( preg_match( '/^\s*(\S.*?)\s*=\s*(.*?)\s*$/', $p, $m ) ) {
+ $k = $m[1];
+ $v = preg_replace( '/^"\s*(.*?)\s*"$/', '$1', $m[2] ); // strip any quotes enclusing the value
+ } else {
+ $k = trim( $p );
+ $v = true;
+ }
+
+ $argv[$k] = $v;
+ }
+
+ // now handle just like a <categorytree> tag
+ $html = self::parserHook( $cat, $argv, $parser );
+ return [ $html, 'noparse' => true, 'isHTML' => true ];
+ }
+
+ /**
+ * Hook implementation for injecting a category tree into the sidebar.
+ * Only does anything if $wgCategoryTreeSidebarRoot is set to a category name.
+ * @param Skin $skin
+ * @param SkinTemplate $tpl
+ */
+ public static function skinTemplateOutputPageBeforeExec( $skin, $tpl ) {
+ global $wgCategoryTreeSidebarRoot, $wgCategoryTreeSidebarOptions;
+
+ if ( !$wgCategoryTreeSidebarRoot ) {
+ return;
+ }
+
+ $html = self::parserHook( $wgCategoryTreeSidebarRoot, $wgCategoryTreeSidebarOptions );
+ if ( $html ) {
+ $tpl->data['sidebar']['categorytree-portlet'] = $html;
+ }
+ }
+
+ /**
+ * Entry point for the <categorytree> tag parser hook.
+ * This loads CategoryTreeFunctions.php and calls CategoryTree::getTag()
+ * @param string $cat
+ * @param array $argv
+ * @param Parser $parser
+ * @param bool $allowMissing
+ * @return bool|string
+ */
+ public static function parserHook( $cat, $argv, $parser = null, $allowMissing = false ) {
+ global $wgOut;
+
+ if ( $parser ) {
+ $parser->mOutput->mCategoryTreeTag = true; # flag for use by CategoryTreeHooks::parserOutput
+ } else {
+ CategoryTree::setHeaders( $wgOut );
+ }
+
+ $ct = new CategoryTree( $argv );
+
+ $attr = Sanitizer::validateTagAttributes( $argv, 'div' );
+
+ $hideroot = isset( $argv['hideroot'] )
+ ? CategoryTree::decodeBoolean( $argv['hideroot'] ) : null;
+ $onlyroot = isset( $argv['onlyroot'] )
+ ? CategoryTree::decodeBoolean( $argv['onlyroot'] ) : null;
+ $depthArg = isset( $argv['depth'] ) ? (int)$argv['depth'] : null;
+
+ $depth = CategoryTree::capDepth( $ct->getOption( 'mode' ), $depthArg );
+ if ( $onlyroot ) {
+ $depth = 0;
+ }
+
+ return $ct->getTag( $parser, $cat, $hideroot, $attr, $depth, $allowMissing );
+ }
+
+ /**
+ * Hook callback that injects messages and things into the <head> tag,
+ * if needed in the current page.
+ * Does nothing if $parserOutput->mCategoryTreeTag is not set
+ * @param OutputPage $outputPage
+ * @param ParserOutput $parserOutput
+ */
+ public static function parserOutput( $outputPage, $parserOutput ) {
+ if ( self::shouldForceHeaders() ) {
+ // Skip, we've already set the headers unconditionally
+ return;
+ }
+ if ( !empty( $parserOutput->mCategoryTreeTag ) ) {
+ CategoryTree::setHeaders( $outputPage );
+ }
+ }
+
+ /**
+ * BeforePageDisplay and BeforePageDisplayMobile hooks.
+ * These hooks are used when $wgCategoryTreeForceHeaders is set.
+ * Otherwise similar to CategoryTreeHooks::parserOutput.
+ * @param OutputPage $out
+ */
+ public static function addHeaders( OutputPage $out ) {
+ if ( !self::shouldForceHeaders() ) {
+ return;
+ }
+ CategoryTree::setHeaders( $out );
+ }
+
+ /**
+ * ArticleFromTitle hook, override category page handling
+ *
+ * @param Title $title
+ * @param Article &$article
+ * @return bool
+ */
+ public static function articleFromTitle( $title, &$article ) {
+ if ( $title->getNamespace() == NS_CATEGORY ) {
+ $article = new CategoryTreeCategoryPage( $title );
+ }
+ return true;
+ }
+
+ /**
+ * OutputPageMakeCategoryLinks hook, override category links
+ * @param OutputPage &$out
+ * @param array $categories
+ * @param array &$links
+ * @return bool
+ */
+ public static function outputPageMakeCategoryLinks( &$out, $categories, &$links ) {
+ global $wgCategoryTreePageCategoryOptions, $wgCategoryTreeHijackPageCategories;
+
+ if ( !$wgCategoryTreeHijackPageCategories ) {
+ // Not enabled, don't do anything
+ return true;
+ }
+
+ foreach ( $categories as $category => $type ) {
+ $links[$type][] = self::parserHook( $category, $wgCategoryTreePageCategoryOptions, null, true );
+ }
+
+ return false;
+ }
+
+ /**
+ * @param Skin $skin
+ * @param array &$links
+ * @param string &$result
+ * @return bool
+ */
+ public static function skinJoinCategoryLinks( $skin, &$links, &$result ) {
+ global $wgCategoryTreeHijackPageCategories;
+ if ( !$wgCategoryTreeHijackPageCategories ) {
+ // Not enabled, don't do anything.
+ return true;
+ }
+ $embed = '<div class="CategoryTreeCategoryBarItem">';
+ $pop = '</div>';
+ $sep = ' ';
+
+ $result = $embed . implode( "{$pop} {$sep} {$embed}", $links ) . $pop;
+
+ return false;
+ }
+
+ /**
+ * @param array &$vars
+ * @return bool
+ */
+ public static function getConfigVars( &$vars ) {
+ global $wgCategoryTreeCategoryPageOptions;
+
+ // Look this is pretty bad but Category tree is just whacky, it needs to be rewritten
+ $ct = new CategoryTree( $wgCategoryTreeCategoryPageOptions );
+ $vars['wgCategoryTreePageCategoryOptions'] = $ct->getOptionsAsJsStructure();
+ return true;
+ }
+
+ /**
+ * Hook handler for the SpecialTrackingCategories::preprocess hook
+ * @param SpecialPage $specialPage SpecialTrackingCategories object
+ * @param array $trackingCategories [ 'msg' => Title, 'cats' => Title[] ]
+ */
+ public static function onSpecialTrackingCategoriesPreprocess(
+ $specialPage, $trackingCategories
+ ) {
+ $categoryDbKeys = [];
+ foreach ( $trackingCategories as $catMsg => $data ) {
+ foreach ( $data['cats'] as $catTitle ) {
+ $categoryDbKeys[] = $catTitle->getDbKey();
+ }
+ }
+ $categories = [];
+ if ( $categoryDbKeys ) {
+ $dbr = wfGetDB( DB_REPLICA );
+ $res = $dbr->select(
+ 'category',
+ [ 'cat_id', 'cat_title', 'cat_pages', 'cat_subcats', 'cat_files' ],
+ [ 'cat_title' => array_unique( $categoryDbKeys ) ],
+ __METHOD__
+ );
+ foreach ( $res as $row ) {
+ $categories[$row->cat_title] = Category::newFromRow( $row );
+ }
+ }
+ $specialPage->categoryTreeCategories = $categories;
+ }
+
+ /**
+ * Hook handler for the SpecialTrackingCategories::generateCatLink hook
+ * @param SpecialPage $specialPage SpecialTrackingCategories object
+ * @param Title $catTitle Title object of the linked category
+ * @param string &$html Result html
+ */
+ public static function onSpecialTrackingCategoriesGenerateCatLink(
+ $specialPage, $catTitle, &$html
+ ) {
+ if ( !isset( $specialPage->categoryTreeCategories ) ) {
+ return;
+ }
+
+ $cat = null;
+ if ( isset( $specialPage->categoryTreeCategories[$catTitle->getDbKey()] ) ) {
+ $cat = $specialPage->categoryTreeCategories[$catTitle->getDbKey()];
+ }
+
+ $html .= CategoryTree::createCountString( $specialPage->getContext(), $cat, 0 );
+ }
+}
diff --git a/www/wiki/extensions/CategoryTree/includes/CategoryTreeMode.php b/www/wiki/extensions/CategoryTree/includes/CategoryTreeMode.php
new file mode 100644
index 00000000..48ff6133
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/CategoryTreeMode.php
@@ -0,0 +1,38 @@
+<?php
+/**
+ * © 2006 Daniel Kinzler
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Extensions
+ * @author Daniel Kinzler, brightbyte.de
+ */
+
+/**
+ * Constants for use with the mode, defining what should be shown in the tree.
+ */
+class CategoryTreeMode {
+
+ const CATEGORIES = 0;
+
+ const PAGES = 10;
+
+ const ALL = 20;
+
+ const PARENTS = 100;
+
+}
diff --git a/www/wiki/extensions/CategoryTree/includes/CategoryTreePage.php b/www/wiki/extensions/CategoryTree/includes/CategoryTreePage.php
new file mode 100644
index 00000000..202e84e8
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/CategoryTreePage.php
@@ -0,0 +1,214 @@
+<?php
+/**
+ * © 2006 Daniel Kinzler
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Extensions
+ * @author Daniel Kinzler, brightbyte.de
+ */
+
+/**
+ * Special page for the CategoryTree extension, an AJAX based gadget
+ * to display the category structure of a wiki
+ */
+class CategoryTreePage extends SpecialPage {
+ public $target = '';
+
+ /**
+ * @var CategoryTree
+ */
+ public $tree = null;
+
+ public function __construct() {
+ parent::__construct( 'CategoryTree' );
+ }
+
+ /**
+ * @param string $name
+ * @return mixed
+ */
+ private function getOption( $name ) {
+ global $wgCategoryTreeDefaultOptions;
+
+ if ( $this->tree ) {
+ return $this->tree->getOption( $name );
+ } else {
+ return $wgCategoryTreeDefaultOptions[$name];
+ }
+ }
+
+ /**
+ * Main execution function
+ * @param string|null $par Parameters passed to the page
+ */
+ public function execute( $par ) {
+ global $wgCategoryTreeDefaultOptions, $wgCategoryTreeSpecialPageOptions;
+
+ $this->setHeaders();
+ $request = $this->getRequest();
+ if ( $par ) {
+ $this->target = $par;
+ } else {
+ $this->target = $request->getVal( 'target' );
+ if ( $this->target === null ) {
+ $rootcategory = $this->msg( 'rootcategory' );
+ if ( $rootcategory->exists() ) {
+ $this->target = $rootcategory->text();
+ }
+ }
+ }
+
+ $this->target = trim( $this->target );
+
+ $options = [];
+
+ # grab all known options from the request. Normalization is done by the CategoryTree class
+ foreach ( $wgCategoryTreeDefaultOptions as $option => $default ) {
+ if ( isset( $wgCategoryTreeSpecialPageOptions[$option] ) ) {
+ $default = $wgCategoryTreeSpecialPageOptions[$option];
+ }
+
+ $options[$option] = $request->getVal( $option, $default );
+ }
+
+ $this->tree = new CategoryTree( $options );
+
+ $output = $this->getOutput();
+ $output->addWikiMsg( 'categorytree-header' );
+
+ $this->executeInputForm();
+
+ if ( $this->target !== '' && $this->target !== null ) {
+ if ( !CategoryTreeHooks::shouldForceHeaders() ) {
+ CategoryTree::setHeaders( $output );
+ }
+
+ $title = CategoryTree::makeTitle( $this->target );
+
+ if ( $title && $title->getArticleID() ) {
+ $output->addHTML( Xml::openElement( 'div', [ 'class' => 'CategoryTreeParents' ] ) );
+ $output->addHTML( $this->msg( 'categorytree-parents' )->parse() );
+ $output->addHTML( $this->msg( 'colon-separator' )->escaped() );
+
+ $parents = $this->tree->renderParents( $title );
+
+ if ( $parents == '' ) {
+ $output->addHTML( $this->msg( 'categorytree-no-parent-categories' )->parse() );
+ } else {
+ $output->addHTML( $parents );
+ }
+
+ $output->addHTML( Xml::closeElement( 'div' ) );
+
+ $output->addHTML( Xml::openElement( 'div', [ 'class' => 'CategoryTreeResult' ] ) );
+ $output->addHTML( $this->tree->renderNode( $title, 1 ) );
+ $output->addHTML( Xml::closeElement( 'div' ) );
+ } else {
+ $output->addHTML( Xml::openElement( 'div', [ 'class' => 'CategoryTreeNotice' ] ) );
+ $output->addHTML( $this->msg( 'categorytree-not-found', $this->target )->parse() );
+ $output->addHTML( Xml::closeElement( 'div' ) );
+ }
+ }
+ }
+
+ /**
+ * Input form for entering a category
+ */
+ private function executeInputForm() {
+ $namespaces = $this->getRequest()->getVal( 'namespaces', '' );
+ // mode may be overriden by namespaces option
+ $mode = ( $namespaces == '' ? $this->getOption( 'mode' ) : CategoryTreeMode::ALL );
+ if ( $mode == CategoryTreeMode::CATEGORIES ) {
+ $modeDefault = 'categories';
+ } elseif ( $mode == CategoryTreeMode::PAGES ) {
+ $modeDefault = 'pages';
+ } else {
+ $modeDefault = 'all';
+ }
+
+ $formDescriptor = [
+ 'category' => [
+ 'type' => 'title',
+ 'name' => 'target',
+ 'label-message' => 'categorytree-category',
+ 'namespace' => NS_CATEGORY,
+ ],
+
+ 'mode' => [
+ 'type' => 'select',
+ 'name' => 'mode',
+ 'label-message' => 'categorytree-mode-label',
+ 'options-messages' => [
+ 'categorytree-mode-categories' => 'categories',
+ 'categorytree-mode-pages' => 'pages',
+ 'categorytree-mode-all' => 'all',
+ ],
+ 'default' => $modeDefault,
+ 'nodata' => true,
+ ],
+
+ 'namespace' => [
+ 'type' => 'namespaceselect',
+ 'name' => 'namespaces',
+ 'label-message' => 'namespace',
+ 'all' => '',
+ ],
+ ];
+
+ HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() )
+ ->addHiddenFields( [ 'title' => $this->getPageTitle()->getPrefixedDbKey() ] )
+ ->setWrapperLegendMsg( 'categorytree-legend' )
+ ->setSubmitTextMsg( 'categorytree-go' )
+ ->setMethod( 'get' )
+ ->prepareForm()
+ ->displayForm( false );
+ }
+
+ /**
+ * Return an array of subpages beginning with $search that this special page will accept.
+ *
+ * @param string $search Prefix to search for
+ * @param int $limit Maximum number of results to return (usually 10)
+ * @param int $offset Number of results to skip (usually 0)
+ * @return string[] Matching subpages
+ */
+ public function prefixSearchSubpages( $search, $limit, $offset ) {
+ $title = Title::newFromText( $search, NS_CATEGORY );
+ if ( $title && $title->getNamespace() !== NS_CATEGORY ) {
+ // Someone searching for something like "Wikipedia:Foo"
+ $title = Title::makeTitleSafe( NS_CATEGORY, $search );
+ }
+ if ( !$title ) {
+ // No prefix suggestion outside of category namespace
+ return [];
+ }
+ // Autocomplete subpage the same as a normal search, but just for categories
+ $prefixSearcher = new TitlePrefixSearch;
+ $result = $prefixSearcher->search( $title->getPrefixedText(), $limit, [ NS_CATEGORY ], $offset );
+
+ return array_map( function ( Title $t ) {
+ // Remove namespace in search suggestion
+ return $t->getText();
+ }, $result );
+ }
+
+ protected function getGroupName() {
+ return 'pages';
+ }
+
+}