ng2-timezone-selector-old-typescript

v0.1.0-oldts-2.5.3

Published

3 years ago

A simple Angular module to create a timezone selector using [moment-timezones](https://github.com/moment/moment-timezone).

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yuriikovaldev

angular

ng2-timezone-selector

A simple Angular module to create a timezone selector using moment-timezones.

Demo | Documentation

New features (0.2.3)

Guess the timezone based on browser settings, usage:
- <ng2-timezone-picker [(timezone)]="timezone" guess="true"></ng2-timezone-picker>
Show GMT offset (equivalent with UTC offset), e.g.: Denmark (GTM+01:00), usage:
- <ng2-timezone-picker [(timezone)]="timezone" showOffset="true"></ng2-timezone-picker>
Select timezone based on country iso code and outputs country iso code based on timezone, usage:
- <ng2-timezone-picker [(timezone)]="timezone" [(country)]="countryIsoCode"></ng2-timezone-picker>

Installation

To install this library, run:

$ npm install ng2-timezone-selector --save

Requirements (IMPORTANT, use one of the following methods)

The library depent on jQuery and select2 and moment-timezone

The only file required is the select2 select2.min.css file:

1. Method (should work for all)

Include the select2.min.css file in the angular-cli.json file (remember to re-run ng serve, after editing angular-cli.json):

{
  "project": {
    ...
  },
  "apps": [
    {
      ...
      "styles": [
        "styles.scss",
        "../node_modules/select2/dist/css/select2.min.css"
      ],
      ...
    }

2. Method (simplest)

If the angular project is setup to use *.scss instead of *.css, then you can add the following @import to the default *.scss file, othen called: styles.scss:

@import '~select2/dist/css/select2.min.css';

3. Method (HTML-link)

Include the css resource from a CDN link in the index.html file:

<head>
  ...
  <link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css" rel="stylesheet" />
  ...
</head>

Importing

Import the module in app.module.ts:

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';

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

// Import the library
import { TimezonePickerModule } from 'ng2-timezone-selector';

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    ...,
    // Include the library in the imports section
    TimezonePickerModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

Usage

Once the library is imported, you can use the component in your Angular application:

<!-- You can now use the library component
 in app.component.html with double-binding: -->
<ng2-timezone-picker
    [(timezone)]="user.timezone"
    [placeholder]="placeholderString">
</ng2-timezone-picker>

<!-- You can now use the library component in
 app.component.html or with single-binding and a change function  -->
<ng2-timezone-picker
    [timezone]="user.timezone"
    (change)="changeTimezone($event)"
    placeholder="Select timezone"
    showOffset="true"
    guess="true">
</ng2-timezone-picker>

// Example of usage in app.component.ts:
user = {};
placeholderString = 'Select timezone';

changeTimezone(timezone) {
  this.user.timezone = timezone;
}

Parameters

Component configuration

You can configure component with the following input attributes:

timezone: string - Required: must be defined. The timezone string. If you are using the Two-Way Data Binding [(timezone)]="timezoneString" it will change on selection of timezone.
placeholder: string - Optional: default = ''. The placeholder string to show when no timezone is selected.
disabled: boolean - Optional: default = false. Disable the the component.
showOffset: boolean - Optional: default = false. Condition to show GMT offset in the dropdown.
guess: boolean - Optional: default = false. If set to true and if the timezone parameters is null or undefined then guesses the users timezone.
country: string - Optional. The country iso-string (e.g. 'US' / 'GB' / 'AU'). If you are using the Two-Way Data Binding e.g.: [(country)]="countryIsoCode" it will change the timezone to the provided iso-code (if the iso code is valid), and if the timezone is changed it changes the value of countryIsoCode to the iso of the country.
allowClear: boolean - Optional: default = false. Enabled you to clear the selection of a timezone.

You can configure component with the (change)="changeFunction($event) or (countryChange)="countryIsoCode = $event output attributes:

change: function($event) - Trigger-function when timezone is selected or changed, the $event parameter is the timezone string.
countryChange: function($event: string) - Trigger-function when timezone is changed, the $event parameter is the country iso-code.

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