HTMLSizeFilterField.php

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<?php

class HTMLSizeFilterField extends HTMLIntField {
    public function getSize() {
        return $this->mParams['size'] ?? 9;
    }

    public function getInputHTML( $value ) {
        $attribs = [];
        if ( !empty( $this->mParams['disabled'] ) ) {
            $attribs['disabled'] = 'disabled';
        }

        $html = Xml::radioLabel(
            $this->msg( 'minimum-size' )->text(),
            $this->mName . '-mode',
            'min',
            $this->mID . '-mode-min',
            $value >= 0,
            $attribs
        );
        $html .= "\u{00A0}" . Xml::radioLabel(
            $this->msg( 'maximum-size' )->text(),
            $this->mName . '-mode',
            'max',
            $this->mID . '-mode-max',
            $value < 0,
            $attribs
        );
        $html .= "\u{00A0}" . parent::getInputHTML( $value ? abs( $value ) : '' );
        $html .= "\u{00A0}" . $this->msg( 'pagesize' )->parse();

        return $html;
    }

    protected function getInputWidget( $params ) {
        $this->mParent->getOutput()->addModuleStyles( 'mediawiki.widgets.SizeFilterWidget.styles' );

        // negative numbers represent "max", positive numbers represent "min"
        $value = $params['value'];

        $params['value'] = $value ? abs( $value ) : '';

        return new MediaWiki\Widget\SizeFilterWidget( [
            'selectMin' => $value >= 0,
            'textinput' => $params,
            'radioselectinput' => [
                'name' => $this->mName . '-mode',
                'disabled' => !empty( $this->mParams['disabled'] ),
            ],
        ] );
    }

    protected function getOOUIModules() {
        return [ 'mediawiki.widgets.SizeFilterWidget' ];
    }

    public function loadDataFromRequest( $request ) {
        $size = $request->getInt( $this->mName );
        if ( !$size ) {
            return $this->getDefault();
        }
        $size = abs( $size );

        // negative numbers represent "max", positive numbers represent "min"
        if ( $request->getVal( $this->mName . '-mode' ) === 'max' ) {
            return -$size;
        } else {
            return $size;
        }
    }

    protected function needsLabel() {
        return false;
    }
}