ng-jhipster/src/language/language.service.js

A Jhipster util library for Angular 2

import { Injectable } from '@angular/core';
import { TranslateService } from 'ng2-translate';
import { ConfigHelper } from '../helper';
export var JhiLanguageService = (function () {
    function JhiLanguageService(translateService) {
        this.translateService = translateService;
        this.defaultLocation = 'global';
        this.currentLang = 'en';
        this.locations = [];
        this.init();
    }
    JhiLanguageService.prototype.init = function () {
        var config = ConfigHelper.getConfig();
        this.defaultLocation = config.defaultI18nLocation;
        this.currentLang = config.defaultI18nLang;
        this.translateService.setDefaultLang(this.currentLang);
        this.translateService.currentLang = this.currentLang;
    };
    JhiLanguageService.prototype.changeLanguage = function (languageKey) {
        this.currentLang = languageKey;
        this.reload();
    };
    JhiLanguageService.prototype.setLocations = function (locations) {
        this.locations = locations;
        this.locations.push(this.defaultLocation);
        this.reload();
    };
    JhiLanguageService.prototype.addLocation = function (location) {
        if (this.locations.indexOf(location) === -1) {
            this.locations.push(location);
            this.reload();
        }
    };
    JhiLanguageService.prototype.reload = function () {
        this.translateService.setDefaultLang(this.currentLang);
        var translatePartialLoader = this.translateService.currentLoader;
        translatePartialLoader.setLocations(this.locations);
        // reset the language cache //FIXME not ideal as this increases the http requests
        this.translateService.resetLang(this.currentLang);
        this.translateService.use(this.currentLang);
    };
    JhiLanguageService.prototype.getCurrent = function () {
        return Promise.resolve(this.currentLang);
    };
    JhiLanguageService.decorators = [
        { type: Injectable },
    ];
    /** @nocollapse */
    JhiLanguageService.ctorParameters = function () { return [
        { type: TranslateService, },
    ]; };
    return JhiLanguageService;
}());