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| /*
* @license
* Copyright Hôpitaux Universitaires de Genève. All Rights Reserved.
*
* Use of this source code is governed by an Apache-2.0 license that can be
* found in the LICENSE file at https://github.com/DSI-HUG/dejajs-components/blob/master/LICENSE
*/
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, EventEmitter, Input, OnDestroy, OnInit, Optional, Output, Self, ViewEncapsulation } from '@angular/core';
import { ControlValueAccessor, NgControl } from '@angular/forms';
import { from as observableFrom, fromEvent as observableFromEvent, Subject } from 'rxjs';
import { first, takeWhile } from 'rxjs/operators';
import { KeyCodes } from '../../common/core/keycodes.enum';
import { IDateSelectorItem } from './date-selector-item.model';
export enum DaysOfWeek {
Sunday = 0,
Monday = 1,
Tuesday = 2,
Wednesday = 3,
Thursday = 4,
Friday = 5,
Saturday = 6,
}
export enum DateComponentLayout {
dateonly = 1,
datetime,
timeonly,
}
const noop = () => { };
@Component({
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
selector: 'deja-date-time-selector',
styles: [require('./date-selector.scss')],
template: require('./date-selector.component.html'),
})
export class DejaDateSelectorComponent implements OnInit, ControlValueAccessor, OnDestroy {
@Input() public startDay: DaysOfWeek = DaysOfWeek.Monday;
@Input() public disableDates: Array<(DaysOfWeek | Date)>; // | ((d: Date) => boolean);
@Input() public dateMax: Date;
@Input() public dateMin: Date;
@Input() public format: string;
@Output() public dateChange = new EventEmitter();
@Output() public timeChange = new EventEmitter();
protected _local = 'fr';
// Time
protected beginOffset = Math.PI / 3;
protected clocks = {
hours: {
ranges: [
{ min: 1, max: 12, beginOffset: Math.PI / 3 },
{ min: 13, max: 24, beginOffset: Math.PI / 3 },
],
},
minutes: {
ranges: [
{ min: 0, max: 59, labelInterval: 5 },
],
},
};
// /Time
protected _keyboardNavigation = false;
private _keyboardNavigation$ = new Subject();
public get keyboardNavigation() {
return this._keyboardNavigation;
}
public get keyboardNavigation$() {
return this._keyboardNavigation$;
}
public get displayedDate() {
return this._displayedDate;
}
public get local() {
return this._local;
}
public onTouchedCallback: () => void = noop;
public onChangeCallback: (_: any) => void = noop;
private isAlive = true;
private _currentDays: IDateSelectorItem[];
private _currentDate: Date = new Date();
private selectedDate: Date;
private _displayedDate = new Date();
private _days = [] as string[];
private _emptyDays: any[];
private _time: boolean;
private _disabled: boolean;
/**
* Component Layout
*/
@Input()
public set layout(value: DateComponentLayout | string) {
if (value) {
if (typeof value === 'string') {
this.layoutId = (<any>DateComponentLayout)[value];
Iif (!this.layoutId) {
throw new Error('Invalid type for DateComponentLayout');
}
this.layoutClass = value;
} else {
this.layoutId = value;
this.layoutClass = DateComponentLayout[value];
}
}
this.changeDetectorRef.markForCheck();
}
public layoutClass: string;
public layoutId: number;
/**
* Time property setter. Can be string or empty so you can use it like : <deja-date-selector time></deja-date-selector>
* Used to add time selector next to calendar
*/
@Input()
public set time(value: boolean | string) {
this._time = coerceBooleanProperty(value) ? true : null;
if (this._time) {
this.layout = DateComponentLayout.datetime;
}
this.changeDetectorRef.markForCheck();
}
/** Time property getter. */
public get time() {
return this._time;
}
public get days() {
return this._days;
}
public get emptyDays() {
return this._emptyDays;
}
public get currentDate() {
return this._currentDate;
}
public get currentDays() {
return this._currentDays;
}
/** Disabled property setter. Can be string or empty so you can use it like : <deja-date-selector disabled></deja-date-selector> */
@Input()
public set disabled(value: boolean | string) {
this._disabled = coerceBooleanProperty(value) ? true : null;
// this.changeDetectorRef.markForCheck();
this.bind();
}
/** Disabled property getter. */
public get disabled() {
return this._disabled;
}
constructor(elementRef: ElementRef, private changeDetectorRef: ChangeDetectorRef, @Self() @Optional() public _control: NgControl) {
const element = elementRef.nativeElement as HTMLElement;
Eif (this._control) {
this._control.valueAccessor = this;
}
observableFromEvent(element, 'click').pipe(
takeWhile(() => this.isAlive))
.subscribe((event: Event) => {
const target = event.target as HTMLElement;
if (target.hasAttribute('dateindex')) {
const dateSelectorItem = this._currentDays[+target.getAttribute('dateindex')];
if (!dateSelectorItem.disabled) {
const val = new Date(dateSelectorItem.date);
if (this._displayedDate) {
val.setHours(this._displayedDate.getHours(), this._displayedDate.getMinutes(), this._displayedDate.getSeconds(), this._displayedDate.getMilliseconds());
}
this.value = val;
this.dateChange.emit(this.value);
}
}
});
observableFrom(this._keyboardNavigation$).pipe(
takeWhile(() => this.isAlive))
.subscribe(() => {
this._keyboardNavigation = true;
observableFromEvent(element, 'mouseenter').pipe(
first())
.subscribe(() => {
this._keyboardNavigation = false;
this.changeDetectorRef.markForCheck();
});
});
this.layout = DateComponentLayout.dateonly;
}
public ngOnInit() {
Iif (!this._displayedDate) {
this._displayedDate = this._currentDate;
this.bind();
}
}
public ngOnDestroy() {
this.isAlive = false;
}
// ************* ControlValueAccessor Implementation **************
// set accessor including call the onchange callback
public set value(v: Date) {
if (v !== this.selectedDate) {
this.writeValue(v);
this.onChangeCallback(v);
}
}
// get accessor
public get value(): Date {
return this.selectedDate;
}
// From ControlValueAccessor interface
public writeValue(value: Date | string) {
if (value instanceof Date && value !== this.selectedDate) {
Iif (this.selectedDate) {
const h = (value) ? value.getHours() : 0;
const m = (value) ? value.getMinutes() : 0;
if (value && ((!this.layoutId && this.selectedDate.toLocaleTimeString() !== value.toLocaleTimeString()) || (this.layoutId > 1 && ((this.selectedDate.getHours() === 0 && this.selectedDate.getMinutes() === 0) && (h !== 0 && m !== 0) || (this.selectedDate.toLocaleDateString() !== value.toLocaleDateString()))))) {
value.setHours(this.selectedDate.getHours(), this.selectedDate.getMinutes(), this.selectedDate.getSeconds());
}
}
this.selectedDate = value;
this._displayedDate = value || this._currentDate;
} else {
this._displayedDate = this._currentDate;
}
this.bind();
}
// From ControlValueAccessor interface
public registerOnChange(fn: any) {
this.onChangeCallback = fn;
}
// From ControlValueAccessor interface
public registerOnTouched(fn: any) {
this.onTouchedCallback = fn;
}
public setDisabledState(isDisabled: boolean) {
this.disabled = isDisabled;
}
// ************* End of ControlValueAccessor Implementation **************
/**
* @param month (attention : Janvier = 0, Décembre = 11)
* @param year
* @return Jours du mois au format IDateSelectorItem
*/
public getAllDaysInMonth(month: number, year: number): IDateSelectorItem[] {
const days: IDateSelectorItem[] = [];
let day = 1;
let date = new Date(year, month, day);
while (date.getDay() !== this.startDay) {
date = new Date(year, month, --day);
const dateSelectorItem: IDateSelectorItem = {
background: true,
date: date,
};
days.splice(0, 0, dateSelectorItem);
}
let d = 0;
for (d = 1; d <= this.daysInMonth(month + 1, year); d++) {
date = new Date(year, month, d);
const dateSelectorItem = {
currentDate: (this._currentDate.setHours(0, 0, 0, 0) === date.setHours(0, 0, 0, 0)) ? true : null,
date: date,
};
days.push(dateSelectorItem);
}
while (true) {
date = new Date(year, month, d);
if (date.getDay() === this.startDay) {
break;
} else {
const dateSelectorItem = {
background: true,
date: date,
};
days.push(dateSelectorItem);
d++;
}
}
// Il nous faut 6 lignes de 7 jours pour correspondre à tous les mois. 6*7=42
// Du coup on ajoute une ligne vide quand c'est nécessaire
Eif (days.length < 42) {
const x = 42 - days.length;
this._emptyDays = new Array(x);
} else {
this._emptyDays = null;
}
return days;
}
public daysInMonth(month: number, year: number) {
return new Date(year, month, 0).getDate();
}
public keyDown(event: KeyboardEvent) {
if (this.disabled) {
return undefined;
}
if (!this.selectedDate) {
this.selectedDate = new Date(this._currentDate);
}
this._keyboardNavigation$.next();
switch (event.keyCode) {
case KeyCodes.PageUp:
case KeyCodes.PageDown:
case KeyCodes.UpArrow:
case KeyCodes.DownArrow:
case KeyCodes.LeftArrow:
case KeyCodes.RightArrow:
event.preventDefault();
const d = new Date(this.selectedDate);
switch (event.keyCode) {
case KeyCodes.PageUp:
// d.setMonth(d.getMonth() - 1);
this.setMonthIfPossible(d, -1);
break;
case KeyCodes.PageDown:
// d.setMonth(d.getMonth() + 1);
this.setMonthIfPossible(d, 1);
break;
case KeyCodes.UpArrow:
// d.setDate(d.getDate() - 7);
this.setDateIfPossible(d, -7);
break;
case KeyCodes.DownArrow:
// d.setDate(d.getDate() + 7);
this.setDateIfPossible(d, 7);
break;
case KeyCodes.LeftArrow:
// d.setDate(d.getDate() - 1);
this.setDateIfPossible(d, -1);
break;
case KeyCodes.RightArrow:
// d.setDate(d.getDate() + 1);
this.setDateIfPossible(d, 1);
break;
default:
break;
}
// this.selectedDate = d;
// this._displayedDate = d;
// this.bind();
break;
case KeyCodes.Space:
case KeyCodes.Enter:
event.preventDefault();
this.onChangeCallback(this.selectedDate);
break;
default:
return true;
}
}
public changeMonth(x: number) {
this.setMonthIfPossible(this._displayedDate, x);
return false;
}
public changeYear(x: number) {
this.setYearIfPossible(this._displayedDate, x);
return false;
}
protected updateHours(hours: number) {
let d: Date;
if (hours === 24) {
hours = 0;
}
if (this.selectedDate) {
d = new Date(this.selectedDate);
} else {
d = new Date();
d.setHours(0, 0, 0, 0);
}
d.setHours(hours);
this.value = d;
this.timeChange.emit(this.value);
}
protected updateMinutes(minutes: number) {
let d: Date;
if (this.selectedDate) {
d = new Date(this.selectedDate);
} else {
d = new Date();
d.setHours(0, 0, 0, 0);
}
d.setMinutes(minutes);
this.value = d;
this.timeChange.emit(this.value);
}
private bind() {
const month = this._displayedDate.getMonth();
const year = this._displayedDate.getFullYear();
this._currentDays = this.getAllDaysInMonth(month, year);
this._currentDays.forEach((day: IDateSelectorItem) => day.disabled = this.isDisabledDate(day.date));
for (let i = 0; i < 7; i++) {
this._days[i] = this._currentDays[i].date.toLocaleString('fr', { weekday: 'narrow' });
}
if (this.selectedDate && this.selectedDate.getFullYear() === year && this.selectedDate.getMonth() === month) {
const selectedDay = this.selectedDate.getDate();
this._currentDays.forEach((day: IDateSelectorItem) => day.selected = day.date.getDate() === selectedDay && day.date.getMonth() === month);
}
this.changeDetectorRef.markForCheck();
}
/**
* Vérifie si la date passée en param est désactivée.
*
* @param date
* @return sera false si this.disableDates n'existe pas / n'est pas un tableau,
* si la date envoyée en param est valide,
* si la date est superieure a dateMax
* ou si la date est inférieure a dateMin
*/
private isDisabledDate(date: Date): boolean {
Iif (this._disabled) {
return true;
}
Iif (this.disableDates && this.disableDates instanceof Array) {
const find = this.disableDates.find((d: Date | number) => {
if (typeof d === 'number') {
return d === date.getDay();
} else {
return d.toLocaleDateString() === date.toLocaleDateString();
}
});
if (typeof find !== 'undefined') {
return true;
}
}
Iif ((this.dateMax && date.getTime() > this.dateMax.getTime()) || (this.dateMin && date.getTime() < this.dateMin.getTime())) {
return true;
}
return false;
}
/**
* Fonction récursive. Si le jour séléctionné + num est invalide, la fonction
* se rappelle pour séléctionner le jour suivant (ou précédent)
*
* @param date
* @param num : nombre de jours à ajouter à date.
*/
private setDateIfPossible(date: Date, num: number): void {
const d = new Date(date);
d.setDate(d.getDate() + num);
if ((this.dateMin && d.getTime() < this.dateMin.getTime()) || (this.dateMax && d.getTime() > this.dateMax.getTime())) {
this._displayedDate = d;
this.bind();
this.dateChange.emit(this._displayedDate);
} else if (this.disableDates && this.isDisabledDate(d)) {
this.setDateIfPossible(d, num);
} else {
this.selectedDate = d;
this._displayedDate = d;
this.bind();
this.dateChange.emit(this._displayedDate);
}
}
/**
* Fonction récursive. Si le mois séléctionné + num est invalide, la fonction
* se rappelle pour séléctionner le jour suivant (ou précédent)
*
* @param date
* @param num : nombre de mois à ajouter à date.
*/
private setMonthIfPossible(date: Date, num: number): void {
const d = new Date(date);
d.setMonth(d.getMonth() + num);
if (this.disableDates && this.isDisabledDate(d)) {
num = (num < 0) ? -1 : 1;
this.setDateIfPossible(d, num);
} else {
this.selectedDate = d;
this._displayedDate = d;
this.bind();
this.dateChange.emit(this._displayedDate);
}
}
/**
* Fonction récursive. Si l'année séléctionné + num est invalide, la fonction
* se rappelle pour séléctionner le jour suivant (ou précédent)
*
* @param date
* @param num : nombre de jours à ajouter à date.
*/
private setYearIfPossible(date: Date, num: number): void {
const d = new Date(date);
d.setFullYear(d.getFullYear() + num);
if (this.disableDates && this.isDisabledDate(d)) {
num = (num < 0) ? -1 : 1;
this.setDateIfPossible(d, num);
} else {
this.selectedDate = d;
this._displayedDate = d;
this.bind();
this.dateChange.emit(this._displayedDate);
}
}
}
|