HTMLSizeFilterField.php

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<?php
 
class HTMLSizeFilterField extends HTMLIntField {
    public function getSize() {
        return isset( $this->mParams['size'] ) ? $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 .= '&#160;' . Xml::radioLabel(
            $this->msg( 'maximum-size' )->text(),
            $this->mName . '-mode',
            'max',
            $this->mID . '-mode-max',
            $value < 0,
            $attribs
        );
        $html .= '&#160;' . parent::getInputHTML( $value ? abs( $value ) : '' );
        $html .= '&#160;' . $this->msg( 'pagesize' )->parse();
 
        return $html;
    }
 
    // No OOUI yet
    public function getInputOOUI( $value ) {
        return false;
    }
 
    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;
    }
}