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app.component.ts
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app.component.ts
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import {
Component,
Directive,
Inject,
Input,
OnChanges,
OnDestroy,
OnInit,
} from '@angular/core';
import {
UntypedFormBuilder,
UntypedFormControl,
UntypedFormGroup,
Validators,
} from '@angular/forms';
import { DateAdapter, MAT_DATE_LOCALE } from '@angular/material/core';
import {
MatCalendar,
MatDatepickerContent,
} from '@angular/material/datepicker';
import {
CalendarDate,
CalendarPeriod,
GregorianCalendarDate,
IslamicCalendarDate,
JDNConvertibleCalendar,
JulianCalendarDate,
} from '@dasch-swiss/jdnconvertiblecalendar';
import {
ACTIVE_CALENDAR,
JDNConvertibleCalendarDateAdapter,
} from '@dasch-swiss/jdnconvertiblecalendardateadapter';
import { BehaviorSubject } from 'rxjs';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css'],
})
export class AppComponent {
form: UntypedFormGroup;
form2: UntypedFormGroup;
form3: UntypedFormGroup;
form4: UntypedFormGroup;
headerComponent = HeaderComponent;
// October 13 1729 (Julian calendar)
startCalDate = new CalendarDate(1729, 10, 13);
startDate = new JulianCalendarDate(
new CalendarPeriod(this.startCalDate, this.startCalDate)
);
// October 24 1729 (Julian calendar)
startCalDate2 = new CalendarDate(1729, 10, 24);
startDate2 = new GregorianCalendarDate(
new CalendarPeriod(this.startCalDate2, this.startCalDate2)
);
// October 24 1729 (Islamic calendar)
startCalDate3 = new CalendarDate(1142, 4, 1);
startDate3 = new IslamicCalendarDate(
new CalendarPeriod(this.startCalDate3, this.startCalDate3)
);
constructor(@Inject(UntypedFormBuilder) private fb: UntypedFormBuilder) {
this.form = this.fb.group({
dateValue: [this.startDate, Validators.compose([Validators.required])],
});
this.form.valueChanges.subscribe((data) => {
console.log(data.dateValue);
});
this.form2 = this.fb.group({
dateValue2: [this.startDate2, Validators.compose([Validators.required])],
});
this.form2.valueChanges.subscribe((data) => {
console.log(data.dateValue2);
});
this.form3 = this.fb.group({
dateValue3: [this.startDate3, Validators.compose([Validators.required])],
});
this.form3.valueChanges.subscribe((data) => {
console.log(data.dateValue3);
});
this.form4 = this.fb.group({
dateValue4: [null, Validators.compose([Validators.required])],
});
this.form4.valueChanges.subscribe((data) => {
console.log(data.dateValue4);
});
}
}
@Component({
selector: 'app-calendar-header',
template: `
<mat-select placeholder="Calendar" [formControl]="calendar">
<mat-option *ngFor="let cal of supportedCalendars" [value]="cal">{{
cal
}}</mat-option>
</mat-select>
<mat-calendar-header></mat-calendar-header>
`,
styleUrls: [],
})
export class HeaderComponent<D> implements OnInit {
constructor(
private _calendar: MatCalendar<JDNConvertibleCalendar>,
private _dateAdapter: DateAdapter<JDNConvertibleCalendar>,
private _datepickerContent: MatDatepickerContent<JDNConvertibleCalendar>,
@Inject(UntypedFormBuilder) private fb: UntypedFormBuilder
) {}
form: UntypedFormGroup;
calendar: UntypedFormControl;
supportedCalendars = JDNConvertibleCalendar.supportedCalendars;
ngOnInit() {
if (this._dateAdapter instanceof JDNConvertibleCalendarDateAdapter) {
this.calendar = new UntypedFormControl(
this._dateAdapter.activeCalendar,
Validators.required
);
// build a form for the calendar selection
this.form = this.fb.group({
calendar: this.calendar,
});
// update the selected calendar
this.form.valueChanges.subscribe((data) => {
this.convertCalendar(data.calendar);
});
}
}
/**
* Converts the date in the current calender into the target calendar.
*
* @param {"Gregorian" | "Julian"} calendar the target calendar.
*/
convertCalendar(calendar: 'Gregorian' | 'Julian' | 'Islamic') {
if (this._dateAdapter instanceof JDNConvertibleCalendarDateAdapter) {
const convertedDate = this._dateAdapter.convertCalendar(
this._calendar.activeDate,
calendar
);
this._calendar.activeDate = convertedDate;
this._datepickerContent.datepicker.select(convertedDate);
this._calendar.updateTodaysDate();
}
}
}
const makeCalToken = () => {
return new BehaviorSubject('Gregorian');
};
@Directive({
// eslint-disable-next-line @angular-eslint/directive-selector
selector: 'jdn-datepicker',
providers: [
{ provide: ACTIVE_CALENDAR, useFactory: makeCalToken },
{
provide: DateAdapter,
useClass: JDNConvertibleCalendarDateAdapter,
deps: [MAT_DATE_LOCALE, ACTIVE_CALENDAR],
},
],
})
// eslint-disable-next-line @angular-eslint/directive-class-suffix
export class JdnDatepicker implements OnChanges, OnDestroy {
@Input() activeCalendar: 'Gregorian' | 'Julian' | 'Islamic';
constructor(
private adapter: DateAdapter<JDNConvertibleCalendar>,
@Inject(ACTIVE_CALENDAR)
private activeCalendarToken: BehaviorSubject<
'Gregorian' | 'Julian' | 'Islamic'
>
) {}
ngOnChanges(): void {
this.activeCalendarToken.next(this.activeCalendar);
}
ngOnDestroy(): void {
this.activeCalendarToken.complete();
}
}