1 files changed, 177 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/includes/specials/SpecialConcepts.php b/www/wiki/extensions/SemanticMediaWiki/includes/specials/SpecialConcepts.php
new file mode 100644
index 00000000..9e5bea44
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/includes/specials/SpecialConcepts.php
@@ -0,0 +1,177 @@
+<?php
+
+namespace SMW;
+
+use Html;
+use SMW\Page\ListPager;
+use SMW\Page\ListBuilder;
+use SMW\SQLStore\SQLStore;
+use SMW\Utils\HtmlTabs;
+use SMW\ApplicationFactory;
+use SMW\MediaWiki\Collator;
+
+/**
+ * Special page that lists available concepts
+ *
+ * @license GNU GPL v2+
+ * @since   1.9
+ *
+ * @author mwjames
+ */
+class SpecialConcepts extends \SpecialPage {
+
+	/**
+	 * @var Store
+	 */
+	private $store;
+
+	/**
+	 * @see SpecialPage::__construct
+	 */
+	public function __construct() {
+		parent::__construct( 'Concepts' );
+	}
+
+	/**
+	 * @see SpecialPage::execute
+	 */
+	public function execute( $param ) {
+
+		$this->setHeaders();
+		$out = $this->getOutput();
+		$out->addModuleStyles( 'ext.smw.page.styles' );
+
+		$limit = $this->getRequest()->getVal( 'limit', 50 );
+		$offset = $this->getRequest()->getVal( 'offset', 0 );
+
+		$this->store = ApplicationFactory::getInstance()->getStore();
+
+		$diWikiPages = $this->fetchFromTable( $limit, $offset );
+		$html = $this->getHtml( $diWikiPages, $limit, $offset );
+
+		$this->addHelpLink( wfMessage( 'smw-helplink-concepts' )->escaped(), true );
+
+		$out->setPageTitle( $this->msg( 'concepts' )->text() );
+		$out->addHTML( $html );
+	}
+
+	/**
+	 * @since 1.9
+	 *
+	 * @param integer $limit
+	 * @param integer $offset
+	 *
+	 * @return DIWikiPage[]
+	 */
+	public function fetchFromTable( $limit, $offset ) {
+
+		$connection = $this->store->getConnection( 'mw.db' );
+		$results = [];
+
+		$fields = [
+			'smw_id',
+			'smw_title'
+		];
+
+		$conditions = [
+			'smw_namespace' => SMW_NS_CONCEPT,
+			'smw_iw' => '',
+			'smw_subobject' => '',
+			'smw_proptable_hash IS NOT NULL',
+			'concept_features > 0'
+		];
+
+		$options = [
+			'LIMIT' => $limit + 1,
+			'OFFSET' => $offset,
+		];
+
+		$res = $connection->select(
+			[
+				$connection->tableName( SQLStore::ID_TABLE ),
+				$connection->tableName( SQLStore::CONCEPT_TABLE )
+			],
+			$fields,
+			$conditions,
+			__METHOD__,
+			$options,
+			[
+				$connection->tableName( SQLStore::ID_TABLE ) => [ 'INNER JOIN', [ 'smw_id=s_id' ] ]
+			]
+		);
+
+		foreach ( $res as $row ) {
+			$results[] = new DIWikiPage( $row->smw_title, SMW_NS_CONCEPT );
+		}
+
+		return $results;
+	}
+
+	/**
+	 * @since 1.9
+	 *
+	 * @param DIWikiPage[] $dataItems
+	 * @param integer $limit
+	 * @param integer $offset
+	 *
+	 * @return string
+	 */
+	public function getHtml( $dataItems, $limit, $offset ) {
+
+		if ( $this->store === null ) {
+			$this->store = ApplicationFactory::getInstance()->getStore();
+		}
+
+		$count = count( $dataItems );
+		$resultNumber = min( $limit, $count );
+
+		if ( $resultNumber == 0 ) {
+			$key = 'smw-special-concept-empty';
+		} else {
+			$key = 'smw-special-concept-count';
+		}
+
+		$listBuilder = new ListBuilder(
+			$this->store,
+			Collator::singleton()
+		);
+
+		$htmlTabs = new HtmlTabs();
+		$htmlTabs->setGroup( 'concept' );
+
+		$html = Html::rawElement(
+				'div',
+				[ 'id' => 'mw-pages'],
+			Html::rawElement(
+				'div',
+				[ 'class' => 'smw-page-navigation' ],
+				ListPager::pagination( $this->getPageTitle(), $limit, $offset, $count )
+			) . Html::element(
+				'div',
+				[ 'class' => $key, 'style' => 'margin-top:10px;margin-bottom:10px;' ],
+				$this->msg( $key, $resultNumber )->parse()
+			) . $listBuilder->getColumnList( $dataItems )
+		);
+
+		$htmlTabs->tab( 'smw-concept-list', $this->msg( 'smw-concept-tab-list' ) );
+		$htmlTabs->content( 'smw-concept-list', $html );
+
+		$html = $htmlTabs->buildHTML(
+			[ 'class' => 'smw-concept clearfix' ]
+		);
+
+		return Html::rawElement(
+			'p',
+			[ 'class' => 'smw-special-concept-docu plainlinks' ],
+			$this->msg( 'smw-special-concept-docu' )->parse()
+		) . $html;
+	}
+
+	/**
+	 * @see SpecialPage::getGroupName
+	 */
+	protected function getGroupName() {
+		return 'pages';
+	}
+
+}