datepicker.component.html
<div (clickOutside)="onClickedOutside($event)" (blur)="onClickedOutside($event)">
<div class="input-group date" [ngClass]="{'disabled-icon': disabledDatePicker == false }">
<input (change)="changedDate()" type="text" [ngModel]="value" class="form-control" id="{{id}}" (focus)="openCloseDatepicker()" disabled="{{disabledInput}}" />
<span id="openCloseDatePicker" class="input-group-addon" (click)="openCloseDatepicker()">
<span class="glyphicon-calendar glyphicon"></span>
</span>
</div>
<div class="dp-popup" *ngIf="showDatepicker">
<datepicker [startingDay]="1" [startingDay]="dt" [minDate]="min" [(ngModel)]="dt" (selectionDone)="onSelectionDone($event)"></datepicker>
</div>
</div>
datepicker.component.ts
import {Component, Input, EventEmitter, Output, OnChanges, SimpleChanges, ElementRef, OnInit} from "@angular/core";
import {DatePipe} from "@angular/common";
import {NgModel} from "@angular/forms";
import * as moment from 'moment';
@Component({
selector: 'custom-datepicker',
templateUrl: 'datepicker.component.html',
providers: [DatePipe, NgModel],
host: {
'(document:mousedown)': 'onClick($event)',
}
})
export class DatepickerComponent implements OnChanges , OnInit{
ngOnInit(): void {
this.dt = null;
}
inputElement : ElementRef;
dt: Date = null;
showDatepicker: boolean = false;
@Input() disabledInput : boolean = false;
@Input() disabledDatePicker: boolean = false;
@Input() value: string = null;
@Input() id: string;
@Input() min: Date = null;
@Input() max: Date = null;
@Output() dateModelChange = new EventEmitter();
constructor(el: ElementRef) {
this.inputElement = el;
}
changedDate(){
if(this.value === ''){
this.dateModelChange.emit(null);
}else if(this.value.split('/').length === 3){
this.dateModelChange.emit(DatepickerComponent.convertToDate(this.value));
}
}
clickOutSide(event : Event){
if(this.inputElement.nativeElement !== event.target) {
console.log('click outside', event);
}
}
onClick(event) {
if (!this.inputElement.nativeElement.contains(event.target)) {
this.close();
}
}
ngOnChanges(changes: SimpleChanges): void {
if (this.value !== null && this.value !== undefined && this.value.length > 0) {
this.value = null;
this.dt = null;
}else {
if(this.value !== null){
this.dt = new Date(this.value);
this.value = moment(this.value).format('MM/DD/YYYY');
}
}
}
private static transformDate(date: Date): string {
return new DatePipe('pt-PT').transform(date, 'MM/dd/yyyy');
}
openCloseDatepicker(): void {
if (!this.disabledDatePicker) {
this.showDatepicker = !this.showDatepicker;
}
}
open(): void {
this.showDatepicker = true;
}
close(): void {
this.showDatepicker = false;
}
private apply(): void {
this.value = DatepickerComponent.transformDate(this.dt);
this.dateModelChange.emit(this.dt);
}
onSelectionDone(event: Date): void {
this.dt = event;
this.apply();
this.close();
}
onClickedOutside(event: Date): void {
if (this.showDatepicker) {
this.close();
}
}
static convertToDate(val : string): Date {
return new Date(val.replace('/','-'));
}
}