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* WikiLambda LabelData class
*
* @copyright 2020– Abstract Wikipedia team; see AUTHORS.txt
* @license MIT
*/
'use strict';
const typeUtils = require( '../../mixins/typeUtils.js' ).methods;
/**
* LabelData class contains the information of a localized label.
* This is the type of object that's saved in the global store and
* is returned by the getter getLabelData to those components that
* need not only the string label of a key, but also the language
* of the available label.
*
* @class
* @property {string} zid ID of a ZPersistentObject, ZKey or ZArgumentDeclaration
* @property {string} label
* @property {string} lang ZID of the ZNaturalLanguage object that identifies the
* language the label is in
* @property {string} langCode language code corresponding to the lang ZID
* @property {string} langDir language directionality corresponding to the language
*/
class LabelData {
constructor( zid, label, lang, langCode = null ) {
this.zid = zid;
this.label = label;
this.lang = lang;
// Set language code and directionality
if ( langCode ) {
this.setLangCode( langCode );
}
}
/**
* Sets the language code and finds its directionality using ULS jquery library
*
* @param {string} langCode
*/
setLangCode( langCode ) {
this.langCode = langCode;
this.langDir = ( langCode && $.uls ) ? $.uls.data.getDir( langCode ) : '';
}
/**
* Returns whether the zid has no label (zid and label are equal)
*
* @return {boolean}
*/
get isUntitled() {
return this.zid === this.label;
}
/**
* Returns the label only if it's set. Else, returns the default string
* for untitled objects
*
* @return {string}
*/
get labelOrUntitled() {
return this.isUntitled ?
this.untitledString :
this.label;
}
/**
* Returns 'untitled' for Zids, or 'unlabelled' for others
*
* @return {string}
*/
get untitledString() {
return typeUtils.isValidZidFormat( this.zid ) ?
mw.message( 'wikilambda-editor-default-name' ).text() :
mw.message( 'wikilambda-about-widget-unlabelled-input' ).text();
}
/**
* Build a LabelData object from a non localized string.
*
* @param {string} text
* @param {string|undefined} langZid
* @param {string|undefined} langCode
* @return {LabelData}
*/
static fromString( text, langZid = null, langCode = null ) {
return new LabelData( null, text, langZid, langCode );
}
}
module.exports = exports = LabelData;
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