1 files changed, 214 insertions, 0 deletions
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';
+	}
+
+}