feat(datepicker): added locale option to Datepicker Configuration (#2560

)

* feat(datepicker): added locale option to Datepicker Configuration

fixes #455

src/datepicker/date-formatter.ts

@@ -1,7 +1,7 @@
 import { formatDate } from '../bs-moment/format';
 
 export class DateFormatter {
-  public format(date: Date, format: string): string {
-    return formatDate(date, format);
+  public format(date: Date, format: string, locale: string): string {
+    return formatDate(date, format, locale);
   }
 }

src/datepicker/datepicker-inner.component.ts

@@ -31,6 +31,7 @@ import { DateFormatter } from './date-formatter';
   `
 })
 export class DatePickerInnerComponent implements OnInit, OnChanges {
+  @Input() locale: string;
   @Input() public datepickerMode: string;
   @Input() public startingDay: number;
   @Input() public yearRange: number;
@@ -181,7 +182,7 @@ export class DatePickerInnerComponent implements OnInit, OnChanges {
   }
 
   public dateFilter(date: Date, format: string): string {
-    return this.dateFormatter.format(date, format);
+    return this.dateFormatter.format(date, format, this.locale);
   }
 
   public isActive(dateObject: any): boolean {

src/datepicker/datepicker.component.ts

@@ -15,6 +15,7 @@ export const DATEPICKER_CONTROL_VALUE_ACCESSOR: any = {
   template: `
     <datepicker-inner [activeDate]="activeDate"
                       (update)="onUpdate($event)"
+                      [locale]="config.locale"
                       [datepickerMode]="datepickerMode"
                       [initDate]="initDate"
                       [minDate]="minDate"

src/datepicker/datepicker.config.ts

@@ -2,6 +2,7 @@ import { Injectable } from '@angular/core';
 
 @Injectable()
 export class DatepickerConfig {
+  locale = 'en';
   public datepickerMode: string = 'day';
   public startingDay: number = 0;
   public yearRange: number = 20;