HTMLSelectAndOtherField.php

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<?php
 
class HTMLSelectAndOtherField extends HTMLSelectField {
    function __construct( $params ) {
        if ( array_key_exists( 'other', $params ) ) {
        } elseif ( array_key_exists( 'other-message', $params ) ) {
            $params['other'] = wfMessage( $params['other-message'] )->plain();
        } else {
            $params['other'] = wfMessage( 'htmlform-selectorother-other' )->plain();
        }
 
        parent::__construct( $params );
 
        if ( $this->getOptions() === null ) {
            # Sulk
            throw new MWException( 'HTMLSelectAndOtherField called without any options' );
        }
        if ( !in_array( 'other', $this->mOptions, true ) ) {
            $this->mOptions[$params['other']] = 'other';
        }
        $this->mFlatOptions = self::flattenOptions( $this->getOptions() );
 
    }
 
    function getInputHTML( $value ) {
        $select = parent::getInputHTML( $value[1] );
 
        $textAttribs = array(
            'id' => $this->mID . '-other',
            'size' => $this->getSize(),
        );
 
        if ( $this->mClass !== '' ) {
            $textAttribs['class'] = $this->mClass;
        }
 
        $allowedParams = array(
            'required',
            'autofocus',
            'multiple',
            'disabled',
            'tabindex'
        );
 
        $textAttribs += $this->getAttributes( $allowedParams );
 
        $textbox = Html::input( $this->mName . '-other', $value[2], 'text', $textAttribs );
 
        return "$select<br />\n$textbox";
    }
 
    function loadDataFromRequest( $request ) {
        if ( $request->getCheck( $this->mName ) ) {
 
            $list = $request->getText( $this->mName );
            $text = $request->getText( $this->mName . '-other' );
 
            if ( $list == 'other' ) {
                $final = $text;
            } elseif ( !in_array( $list, $this->mFlatOptions, true ) ) {
                # User has spoofed the select form to give an option which wasn't
                # in the original offer.  Sulk...
                $final = $text;
            } elseif ( $text == '' ) {
                $final = $list;
            } else {
                $final = $list . $this->msg( 'colon-separator' )->inContentLanguage()->text() . $text;
            }
        } else {
            $final = $this->getDefault();
 
            $list = 'other';
            $text = $final;
            foreach ( $this->mFlatOptions as $option ) {
                $match = $option . $this->msg( 'colon-separator' )->inContentLanguage()->text();
                if ( strpos( $text, $match ) === 0 ) {
                    $list = $option;
                    $text = substr( $text, strlen( $match ) );
                    break;
                }
            }
        }
 
        return array( $final, $list, $text );
    }
 
    function getSize() {
        return isset( $this->mParams['size'] ) ? $this->mParams['size'] : 45;
    }
 
    function validate( $value, $alldata ) {
        # HTMLSelectField forces $value to be one of the options in the select
        # field, which is not useful here.  But we do want the validation further up
        # the chain
        $p = parent::validate( $value[1], $alldata );
 
        if ( $p !== true ) {
            return $p;
        }
 
        if ( isset( $this->mParams['required'] )
            && $this->mParams['required'] !== false
            && $value[1] === ''
        ) {
            return $this->msg( 'htmlform-required' )->parse();
        }
 
        return true;
    }
}