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|
<?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';
}
}
|
