Localization of labels and buttons in Angular Owl Date Time Picker is not supported

Question

Localization of labels and buttons in Angular Owl Date Time Picker is not supported

When using the Owl Date Time Picker, I noticed that the From and To labels, as well as the Set and Cancel buttons are not being localized. Here is the code snippet I am using to specify the locale:

constructor(
  private dateTimeAdapter: DateTimeAdapter<any>
) {
    dateTimeAdapter.setLocale(localStorage.getItem('localeId'));
}

I have tried with locales such as de, fr, and zh.

https://i.sstatic.net/ffCTC.png

The version of "ng-pick-datetime" I am using is "^7.0.0"

Any idea what could be causing this issue?

Edit:

In an attempt to troubleshoot, I experimented with the following code:

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { SampleTableComponent } from './sample-table/sample-table.component';
import { MaterialModule } from './material.module';
import { MatFormComponent } from './mat-form/mat-form.component';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { OwlDateTimeModule, OwlNativeDateTimeModule, OwlDateTimeIntl } from 'ng-pick-datetime';

export class DefaultIntl extends OwlDateTimeIntl {
  cancelBtnLabel: 'C';
  setBtnLabel: 'S';
  rangeFromLabel: 'F';
  rangeToLabel: 'T';
}

@NgModule({
  declarations: [
    AppComponent,
    SampleTableComponent,
    MatFormComponent
  ],
  imports: [
    BrowserModule,
    AppRoutingModule,
    FormsModule,
    ReactiveFormsModule,
    BrowserAnimationsModule,
    MaterialModule,
    OwlDateTimeModule,
    OwlNativeDateTimeModule,
  ],
  providers: [{provide: OwlDateTimeIntl, useClass: DefaultIntl}],
  bootstrap: [AppComponent]
})
export class AppModule { }

However, even after implementing this code, I am still encountering the issue where the labels remain as From, To, Set, and Cancel.

javascript angular typescript angular6

Answer 1

Answer №1

Localization for various languages and formats is determined by the OWL_DATE_TIME_LOCALE and OWL_DATE_TIME_FORMATS settings. For detailed information, refer to the official documentation.

To specify the locale:

By default, the OWL_DATE_TIME_LOCALE injection token utilizes the existing LOCALE_ID from @angular/core. To customize it, you can provide a new value for the OWL_DATE_TIME_LOCALE token:

import { NgModule } from '@angular/core';
import { OWL_DATE_TIME_LOCALE } from 'ng-pick-datetime';

@NgModule({
  providers: [
    // using French locale
    {provide: OWL_DATE_TIME_LOCALE, useValue: 'fr'},
  ],
})
export class AppExampleModule {
}

You can also dynamically set the locale at runtime by employing the setLocale() method of DateTimeAdapter.

import { Component } from '@angular/core';
import { DateTimeAdapter } from 'ng-pick-datetime';

@Component({
  selector: 'app-example',
  templateUrl: 'app-example.html',
})
export class AppExample {
    constructor(dateTimeAdapter: DateTimeAdapter<any>) {
        dateAdapter.setLocale('ja-JP'); // switch to Japanese locale
    }
}

In these instances, French and Japanese locales are used - in your scenario, it would be zh

If your labels and messages are not localized, attempt the following steps and modify the strings according to your requirements (I assume Chinese but please correct me if I'm mistaken):

import { NgModule } from '@angular/core';
import { OwlDateTimeModule, OwlNativeDateTimeModule, OwlDateTimeIntl} from 'ng-pick-datetime';

// below are the default text values - adjust them to suit your preferred language
export class DefaultIntl extends OwlDateTimeIntl = {
    /** A label for the up second button (for screen readers). */
    upSecondLabel= 'Add a second',

    /** A label for the down second button (for screen readers). */
    downSecondLabel= 'Minus a second',

    /** A label for the up minute button (for screen readers). */
    upMinuteLabel= 'Add a minute',

    // more label definitions...
};

@NgModule({
    imports: [OwlDateTimeModule, OwlNativeDateTimeModule],
    providers: [
        {provide: OwlDateTimeIntl, useClass: DefaultIntl},
    ],
})
export class AppExampleModule {
}

Source: Official documentation

Answer 2

Localization for various languages and formats is determined by the OWL_DATE_TIME_LOCALE and OWL_DATE_TIME_FORMATS settings. For detailed information, refer to the official documentation.

To specify the locale:

By default, the OWL_DATE_TIME_LOCALE injection token utilizes the existing LOCALE_ID from @angular/core. To customize it, you can provide a new value for the OWL_DATE_TIME_LOCALE token:

import { NgModule } from '@angular/core';
import { OWL_DATE_TIME_LOCALE } from 'ng-pick-datetime';

@NgModule({
  providers: [
    // using French locale
    {provide: OWL_DATE_TIME_LOCALE, useValue: 'fr'},
  ],
})
export class AppExampleModule {
}

You can also dynamically set the locale at runtime by employing the setLocale() method of DateTimeAdapter.

import { Component } from '@angular/core';
import { DateTimeAdapter } from 'ng-pick-datetime';

@Component({
  selector: 'app-example',
  templateUrl: 'app-example.html',
})
export class AppExample {
    constructor(dateTimeAdapter: DateTimeAdapter<any>) {
        dateAdapter.setLocale('ja-JP'); // switch to Japanese locale
    }
}

In these instances, French and Japanese locales are used - in your scenario, it would be zh

If your labels and messages are not localized, attempt the following steps and modify the strings according to your requirements (I assume Chinese but please correct me if I'm mistaken):

import { NgModule } from '@angular/core';
import { OwlDateTimeModule, OwlNativeDateTimeModule, OwlDateTimeIntl} from 'ng-pick-datetime';

// below are the default text values - adjust them to suit your preferred language
export class DefaultIntl extends OwlDateTimeIntl = {
    /** A label for the up second button (for screen readers). */
    upSecondLabel= 'Add a second',

    /** A label for the down second button (for screen readers). */
    downSecondLabel= 'Minus a second',

    /** A label for the up minute button (for screen readers). */
    upMinuteLabel= 'Add a minute',

    // more label definitions...
};

@NgModule({
    imports: [OwlDateTimeModule, OwlNativeDateTimeModule],
    providers: [
        {provide: OwlDateTimeIntl, useClass: DefaultIntl},
    ],
})
export class AppExampleModule {
}

Source: Official documentation

Answer 3

Answer №2

I tried several methods, but only one seemed to work for me. I'm not entirely sure if it's the correct approach though...

The locales in my project are stored in multiple JSON files, with keys matching those in the OwlDateTimeIntl interface.

"owl.datetime.component" : {
    "cancelBtnLabel": "Cancel, bye",
    "setBtnLabel": "Set or whatever"
},

In the AppModule constructor, I injected OwlDateTimeIntl and TranslateService, then subscribed to TranslateService onLangChange.

export class AppModule {
    constructor(languageService: LanguageService,
                translateService: TranslateService,
                dateTimeAdapter: DateTimeAdapter<any>,
                owlDateTime: OwlDateTimeIntl) 
    {
        languageService.langChanged$.subscribe(lang => {
                translateService.use(lang);
                dateTimeAdapter.setLocale(lang);
            }
        );
        InjectorService.injector = injector;
        translateService.onLangChange.subscribe(() => {
            this.updateOWlDateTime(owlDateTime, translateService);
        });
    }

Simply use the translator service to update the values in OwlDateTimeIntl (I used a for loop to set all values from the JSON).

private updateOWlDateTime(owlDateTime: OwlDateTimeIntl, translateService: TranslateService) {
    const owlLocalizedValues = translateService.instant('owl.datetime.component');
    for (const key in owlLocalizedValues) {
        owlDateTime[key] = owlLocalizedValues[key];
    }
    owlDateTime.changes.next();
}

Answer 4

I tried several methods, but only one seemed to work for me. I'm not entirely sure if it's the correct approach though...

The locales in my project are stored in multiple JSON files, with keys matching those in the OwlDateTimeIntl interface.

"owl.datetime.component" : {
    "cancelBtnLabel": "Cancel, bye",
    "setBtnLabel": "Set or whatever"
},

In the AppModule constructor, I injected OwlDateTimeIntl and TranslateService, then subscribed to TranslateService onLangChange.

export class AppModule {
    constructor(languageService: LanguageService,
                translateService: TranslateService,
                dateTimeAdapter: DateTimeAdapter<any>,
                owlDateTime: OwlDateTimeIntl) 
    {
        languageService.langChanged$.subscribe(lang => {
                translateService.use(lang);
                dateTimeAdapter.setLocale(lang);
            }
        );
        InjectorService.injector = injector;
        translateService.onLangChange.subscribe(() => {
            this.updateOWlDateTime(owlDateTime, translateService);
        });
    }

Simply use the translator service to update the values in OwlDateTimeIntl (I used a for loop to set all values from the JSON).

private updateOWlDateTime(owlDateTime: OwlDateTimeIntl, translateService: TranslateService) {
    const owlLocalizedValues = translateService.instant('owl.datetime.component');
    for (const key in owlLocalizedValues) {
        owlDateTime[key] = owlLocalizedValues[key];
    }
    owlDateTime.changes.next();
}

Answer 5

Answer №3

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import {BrowserAnimationsModule} from '@angular/platform-browser/animations';

import { AppComponent } from './app.component';
import { HelloComponent } from './hello.component';


 import { OwlDateTimeModule, OwlNativeDateTimeModule } from 'ng-pick-datetime';
 import { OWL_DATE_TIME_LOCALE } from 'ng-pick-datetime';

@NgModule({
  imports:      [ BrowserModule, BrowserAnimationsModule, FormsModule, OwlDateTimeModule, OwlNativeDateTimeModule ],
  declarations: [ AppComponent, HelloComponent ],
  bootstrap:    [ AppComponent ],
  providers: [
    // setting the locale to French
    {provide: OWL_DATE_TIME_LOCALE, useValue: 'fr'},
  ]
})
export class AppModule { }

Answer 6

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import {BrowserAnimationsModule} from '@angular/platform-browser/animations';

import { AppComponent } from './app.component';
import { HelloComponent } from './hello.component';


 import { OwlDateTimeModule, OwlNativeDateTimeModule } from 'ng-pick-datetime';
 import { OWL_DATE_TIME_LOCALE } from 'ng-pick-datetime';

@NgModule({
  imports:      [ BrowserModule, BrowserAnimationsModule, FormsModule, OwlDateTimeModule, OwlNativeDateTimeModule ],
  declarations: [ AppComponent, HelloComponent ],
  bootstrap:    [ AppComponent ],
  providers: [
    // setting the locale to French
    {provide: OWL_DATE_TIME_LOCALE, useValue: 'fr'},
  ]
})
export class AppModule { }

Localization of labels and buttons in Angular Owl Date Time Picker is not supported

Answer №1

Answer №2

Answer №3

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