HTMLSelectOrOtherField.php

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<?php
 
class HTMLSelectOrOtherField extends HTMLTextField {
    private const FIELD_CLASS = 'mw-htmlform-select-or-other';
 
    public function __construct( $params ) {
        parent::__construct( $params );
        $this->getOptions();
        if ( !in_array( 'other', $this->mOptions, true ) ) {
            $msg =
                $params['other'] ?? wfMessage( 'htmlform-selectorother-other' )->text();
            // Have 'other' always as first element
            $this->mOptions = [ $msg => 'other' ] + $this->mOptions;
        }
    }
 
    public function getInputHTML( $value ) {
        $valInSelect = false;
 
        if ( $value !== false ) {
            $value = strval( $value );
            $valInSelect = in_array(
                $value, HTMLFormField::flattenOptions( $this->getOptions() ), true
            );
        }
 
        $selected = $valInSelect ? $value : 'other';
 
        $select = new XmlSelect( $this->mName, false, $selected );
        $select->addOptions( $this->getOptions() );
 
        $tbAttribs = [ 'size' => $this->getSize() ];
 
        if ( !empty( $this->mParams['disabled'] ) ) {
            $select->setAttribute( 'disabled', 'disabled' );
            $tbAttribs['disabled'] = 'disabled';
        }
 
        if ( isset( $this->mParams['tabindex'] ) ) {
            $select->setAttribute( 'tabindex', $this->mParams['tabindex'] );
            $tbAttribs['tabindex'] = $this->mParams['tabindex'];
        }
 
        $select = $select->getHTML();
 
        if ( isset( $this->mParams['maxlength'] ) ) {
            $tbAttribs['maxlength'] = $this->mParams['maxlength'];
        }
 
        $textbox = Html::input( $this->mName . '-other', $valInSelect ? '' : $value, 'text', $tbAttribs );
 
        $wrapperAttribs = [
            'id' => $this->mID,
            'class' => self::FIELD_CLASS
        ];
        if ( $this->mClass !== '' ) {
            $wrapperAttribs['class'] .= ' ' . $this->mClass;
        }
        return Html::rawElement(
            'div',
            $wrapperAttribs,
            "$select<br />\n$textbox"
        );
    }
 
    protected function shouldInfuseOOUI() {
        return true;
    }
 
    protected function getOOUIModules() {
        return [ 'mediawiki.widgets.SelectWithInputWidget' ];
    }
 
    public function getInputOOUI( $value ) {
        $this->mParent->getOutput()->addModuleStyles( 'mediawiki.widgets.SelectWithInputWidget.styles' );
 
        $valInSelect = false;
        if ( $value !== false ) {
            $value = strval( $value );
            $valInSelect = in_array(
                $value, HTMLFormField::flattenOptions( $this->getOptions() ), true
            );
        }
 
        # DropdownInput
        $dropdownAttribs = [
            'name' => $this->mName,
            'options' => $this->getOptionsOOUI(),
            'value' => $valInSelect ? $value : 'other',
        ];
 
        $allowedParams = [
            'disabled',
            'tabindex',
        ];
 
        $dropdownAttribs += OOUI\Element::configFromHtmlAttributes(
            $this->getAttributes( $allowedParams )
        );
 
        # TextInput
        $textAttribs = [
            'name' => $this->mName . '-other',
            'size' => $this->getSize(),
            'value' => $valInSelect ? '' : $value,
        ];
 
        $allowedParams = [
            'required',
            'autofocus',
            'multiple',
            'disabled',
            'tabindex',
            'maxlength',
        ];
 
        $textAttribs += OOUI\Element::configFromHtmlAttributes(
            $this->getAttributes( $allowedParams )
        );
 
        if ( $this->mPlaceholder !== '' ) {
            $textAttribs['placeholder'] = $this->mPlaceholder;
        }
 
        $disabled = false;
        if ( isset( $this->mParams[ 'disabled' ] ) && $this->mParams[ 'disabled' ] ) {
            $disabled = true;
        }
 
        $inputClasses = [ self::FIELD_CLASS ];
        if ( $this->mClass !== '' ) {
            $inputClasses = array_merge( $inputClasses, explode( ' ', $this->mClass ) );
        }
        return $this->getInputWidget( [
            'id' => $this->mID,
            'classes' => $inputClasses,
            'disabled' => $disabled,
            'textinput' => $textAttribs,
            'dropdowninput' => $dropdownAttribs,
            'required' => $this->mParams[ 'required' ] ?? false,
            'or' => true,
        ] );
    }
 
    public function getInputWidget( $params ) {
        return new MediaWiki\Widget\SelectWithInputWidget( $params );
    }
 
    public function loadDataFromRequest( $request ) {
        if ( $request->getCheck( $this->mName ) ) {
            $val = $request->getText( $this->mName );
 
            if ( $val === 'other' ) {
                $val = $request->getText( $this->mName . '-other' );
            }
 
            return $val;
        } else {
            return $this->getDefault();
        }
    }
}