138 lines
3.8 KiB
TypeScript
138 lines
3.8 KiB
TypeScript
import { Injectable } from '@angular/core';
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import { HttpClient } from '@angular/common/http';
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import { environment } from '../../environments/environment';
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import { MatPaginatorIntl } from '@angular/material/paginator';
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import { Subject } from 'rxjs';
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@Injectable({
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providedIn: 'root',
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})
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export class I18nService {
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locale: string = "de-informal";
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locales: any[] = ["de-informal"];
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i18n: any;
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constructor(private http: HttpClient) {
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}
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getLocales() {
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return this.locales;
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}
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getLocale() {
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return this.locale || 'de-informal';
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}
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setLocale(locale) {
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this.locale = locale;
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}
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async fetch() {
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let browserLocale = navigator.language;
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if (browserLocale.indexOf("-") != -1) {
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browserLocale = browserLocale.split("-")[0];
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}
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let locale = localStorage.getItem("buntspecht.locale") || browserLocale || this.locales[0];
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if (locale == 'de') {
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locale = 'de-informal';
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}
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if (this.locales.indexOf(locale) == -1) {
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locale = this.locales[0];
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}
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this.setLocale(locale);
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this.i18n = await this.http.get("/assets/i18n/" + locale + ".json").toPromise();
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console.debug("fallback to default locale");
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}
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get(key, args: string[] = []): string {
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return this.getInternal(key, args, this.i18n, "", true);
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}
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getEmpty(key, args: string[]): string {
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return this.getInternal(key, args, this.i18n, "", false);
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}
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getInternal(key, args: string[], from, path, empty: boolean): string {
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key += '';
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if (!from) {
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return empty ? this.empty(key, args, path) : (key || "");
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} else if (from[key]) {
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if (typeof from[key] === 'object') {
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if (from[key]["."]) {
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return this.insertArguments(from[key]["."], args);
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}
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return empty ? this.empty(key, args, path) : (key || "");
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}
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return this.insertArguments(from[key], args);
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} else {
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let keys = key.split(".");
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if (from[keys[0]]) {
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key = keys.slice(1, keys.length).join(".");
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return this.getInternal(key, args, from[keys[0]], path + keys[0] + ".", empty)
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}
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}
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return empty ? this.empty(key, args, path) : (key || "");
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}
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empty(key, args: string[], path: string): string {
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return (path ? path + (path.endsWith(".") ? "" : ".") : "") + key + (args && args.length > 0 ? (" [" + args + "]") : "");
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}
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insertArguments(label: string, args: string[]) {
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if (args) {
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for (let index in args) {
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label = label.replace(`{${index}}`, this.get(args[index], null));
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}
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}
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return label;
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}
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}
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@Injectable()
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export class I18nPaginatorIntl implements MatPaginatorIntl {
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changes = new Subject<void>();
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i18n: I18nService;
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itemsPerPageLabel: string;
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nextPageLabel: string;
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previousPageLabel: string;
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firstPageLabel: string;
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lastPageLabel: string;
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injectI18n(i18n: I18nService) {
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this.i18n = i18n;
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this.firstPageLabel = this.i18n.get('paginator.firstPage', []);
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this.itemsPerPageLabel = this.i18n.get('paginator.itemsPerPage', []);
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this.lastPageLabel = this.i18n.get('paginator.lastPage', []);
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this.nextPageLabel = this.i18n.get('paginator.nextPage', []);
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this.previousPageLabel = this.i18n.get('paginator.previousPage', []);
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}
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getRangeLabel(page: number, pageSize: number, length: number): string {
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if (length === 0) {
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return this.i18n.get('paginator.empty', []);
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}
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const amountPages = Math.ceil(length / pageSize);
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return this.i18n.get('paginator.range', [page + 1 + "", amountPages + ""]);
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}
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} |