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<?php
namespace SMW\Page;
use Html;
use SMW\Localizer;
use SMW\Message;
use Title;
/**
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class ListPager {
/**
* @var string
*/
public static $language = '';
/**
* @since 2.4
*/
public static function pagination( Title $title, $limit, $offset = 0, $count = 0, array $query = [], $prefix = '' ) {
return Html::rawElement(
'div',
[
'class' => 'smw-ui-pagination'
],
self::getPagingLinks( $title, $limit, $offset, $count, $query, $prefix )
);
}
/**
* @since 3.0
*
* @param Title $title
* @param integer $limit
* @param integer $offset
*
* @return string
*/
public static function filter( Title $title, $limit = 0, $offset = 0, $filter = '' ) {
$form = \Xml::tags(
'form',
[
'id' => 'search',
'name' => 'foo',
'action' => $GLOBALS['wgScript']
],
Html::hidden(
'title',
strtok( $title->getPrefixedText(), '/' )
) . Html::hidden(
'limit',
$limit
) . Html::hidden(
'offset',
$offset
)
);
$label = Message::get( 'smw-filter', Message::TEXT, Message::USER_LANGUAGE );
$form .= Html::rawElement(
'label',
[],
$label .
Html::rawElement(
'input',
[
'type' => 'search',
'name' => 'filter',
'value' => $filter,
'form' => 'search',
'autocomplete' => 'off',
'placeholder' => '...'
]
)
);
return Html::rawElement(
'div',
[
'class' => 'smw-ui-input-filter'
],
$form
);
}
/**
* Generate (prev x| next x) (20|50|100...) type links for paging
*
* @param Title $title Title object to link
* @param int $offset
* @param int $limit
* @param integer $count
* @param array $query Optional URL query parameter string
* @return string
*/
public static function getPagingLinks( Title $title, $limit, $offset, $count = 0, array $query = [], $prefix = '' ) {
$list = [];
$limit = (int)$limit;
$offset = (int)$offset;
$count = (int)$count;
$atend = $count < $limit;
$disabled = $count > 0 ? '' : ' disabled';
if ( self::$language === '' ) {
$language = Localizer::getInstance()->getUserLanguage();
} else {
$language = Localizer::getInstance()->getLanguage( self::$language );
}
if ( $prefix !== '' ) {
$prefix = Html::rawElement( 'a', [ 'class' => 'page-link link-disabled' ], $prefix );
}
# Make 'previous' link
$prev = wfMessage( 'prevn' )->inLanguage( $language )->title( $title )->numParams( $limit )->text();
if ( $offset > 0 ) {
$plink = self::numLink( $title, max( $offset - $limit, 0 ), $limit, $query, $prev, 'prevn-title', 'mw-prevlink', $disabled, $language );
} else {
$plink = Html::element( 'a', [ 'class' => 'page-link link-disabled' ], htmlspecialchars( $prev ) );
}
# Make 'next' link
$next = wfMessage( 'nextn' )->inLanguage( $language )->title( $title )->numParams( $limit )->text();
if ( $atend ) {
$nlink = Html::element( 'a', [ 'class' => 'page-link link-disabled' ], htmlspecialchars( $next ) );
} else {
$nlink = self::numLink( $title, $offset + $limit, $limit, $query, $next, 'nextn-title', 'mw-nextlink', $disabled, $language );
}
# Make links to set number of items per page
foreach ( [ 20, 50, 100, 250, 500 ] as $num ) {
$list[] = self::numLink(
$title,
$offset,
$num,
$query,
$language->formatNum( $num ),
'shown-title',
'mw-numlink',
$disabled,
$language,
$num === $limit
);
}
return $prefix . $plink . implode( '', $list ) . $nlink;
}
/**
* Helper function for viewPrevNext() that generates links
*
* @param Title $title Title object to link
* @param int $offset
* @param int $limit
* @param array $query Extra query parameters
* @param string $link Text to use for the link; will be escaped
* @param string $tooltipMsg Name of the message to use as tooltip
* @param string $class Value of the "class" attribute of the link
* @return string HTML fragment
*/
private static function numLink( Title $title, $offset, $limit, array $query, $link, $tooltipMsg, $class, $disabled, $language, $active = false ) {
$query = [ 'limit' => $limit, 'offset' => $offset ] + $query;
$tooltip = wfMessage( $tooltipMsg )->inLanguage( $language )->title( $title )->numParams( $limit )->text();
$target = '';
if ( isset( $query['_target' ] ) ) {
$target = $query['_target' ];
unset( $query['_target' ] );
}
return Html::element( 'a',
[
'href' => $title->getLocalURL( $query ) . $target,
'title' => $tooltip,
'class' => 'page-link' . ( $active ? ' link-active' : '' )
],
$link
);
}
}
|
