ngx-bootstrap
Version:
Angular Bootstrap
246 lines • 8.83 kB
JavaScript
import { Directive, ElementRef, EventEmitter, Input, Output, Renderer2, ViewContainerRef } from '@angular/core';
import { ComponentLoaderFactory } from 'ngx-bootstrap/component-loader';
import { BehaviorSubject, Subject } from 'rxjs';
import { filter, takeUntil } from 'rxjs/operators';
import { BsDatepickerConfig } from './bs-datepicker.config';
import { BsDatepickerContainerComponent } from './themes/bs/bs-datepicker-container.component';
import { checkBsValue } from './utils/bs-calendar-utils';
export class BsDatepickerDirective {
constructor(_config, _elementRef, _renderer, _viewContainerRef, cis) {
this._config = _config;
this._elementRef = _elementRef;
this._renderer = _renderer;
/**
* Placement of a datepicker. Accepts: "top", "bottom", "left", "right"
*/
this.placement = 'bottom';
/**
* Specifies events that should trigger. Supports a space separated list of
* event names.
*/
this.triggers = 'click';
/**
* Close datepicker on outside click
*/
this.outsideClick = true;
/**
* A selector specifying the element the datepicker should be appended to.
*/
this.container = 'body';
this.outsideEsc = true;
this.isDestroy$ = new Subject();
/**
* Indicates whether datepicker's content is enabled or not
*/
this.isDisabled = false;
/**
* Emits when datepicker value has been changed
*/
this.bsValueChange = new EventEmitter();
this._subs = [];
this._dateInputFormat$ = new Subject();
// todo: assign only subset of fields
Object.assign(this, this._config);
this._datepicker = cis.createLoader(_elementRef, _viewContainerRef, _renderer);
this.onShown = this._datepicker.onShown;
this.onHidden = this._datepicker.onHidden;
this.isOpen$ = new BehaviorSubject(this.isOpen);
}
/**
* Returns whether or not the datepicker is currently being shown
*/
get isOpen() {
return this._datepicker.isShown;
}
set isOpen(value) {
this.isOpen$.next(value);
}
/**
* Initial value of datepicker
*/
set bsValue(value) {
if (this._bsValue && value && this._bsValue.getTime() === value.getTime()) {
return;
}
if (!this._bsValue && value) {
const now = new Date();
value.setMilliseconds(now.getMilliseconds());
value.setSeconds(now.getSeconds());
value.setMinutes(now.getMinutes());
value.setHours(now.getHours());
}
this._bsValue = value;
this.bsValueChange.emit(value);
}
get dateInputFormat$() {
return this._dateInputFormat$;
}
get bsConfig() {
return this._bsConfig;
}
/**
* Config object for datepicker
*/
set bsConfig(bsConfig) {
this._bsConfig = bsConfig;
this.setConfig();
this._dateInputFormat$.next(bsConfig && bsConfig.dateInputFormat);
}
ngOnInit() {
this._datepicker.listen({
outsideClick: this.outsideClick,
outsideEsc: this.outsideEsc,
triggers: this.triggers,
show: () => this.show()
});
this.setConfig();
}
ngOnChanges(changes) {
if (!this._datepickerRef || !this._datepickerRef.instance) {
return;
}
if (changes.minDate) {
this._datepickerRef.instance.minDate = this.minDate;
}
if (changes.maxDate) {
this._datepickerRef.instance.maxDate = this.maxDate;
}
if (changes.daysDisabled) {
this._datepickerRef.instance.daysDisabled = this.daysDisabled;
}
if (changes.datesDisabled) {
this._datepickerRef.instance.datesDisabled = this.datesDisabled;
}
if (changes.datesEnabled) {
this._datepickerRef.instance.datesEnabled = this.datesEnabled;
}
if (changes.isDisabled) {
this._datepickerRef.instance.isDisabled = this.isDisabled;
}
if (changes.dateCustomClasses) {
this._datepickerRef.instance.dateCustomClasses = this.dateCustomClasses;
}
if (changes.dateTooltipTexts) {
this._datepickerRef.instance.dateTooltipTexts = this.dateTooltipTexts;
}
}
ngAfterViewInit() {
this.isOpen$.pipe(filter(isOpen => isOpen !== this.isOpen), takeUntil(this.isDestroy$))
.subscribe(() => this.toggle());
}
/**
* Opens an element’s datepicker. This is considered a “manual” triggering of
* the datepicker.
*/
show() {
if (this._datepicker.isShown) {
return;
}
this.setConfig();
this._datepickerRef = this._datepicker
.provide({ provide: BsDatepickerConfig, useValue: this._config })
.attach(BsDatepickerContainerComponent)
.to(this.container)
.position({ attachment: this.placement })
.show({ placement: this.placement });
// if date changes from external source (model -> view)
this._subs.push(this.bsValueChange.subscribe((value) => {
if (this._datepickerRef) {
this._datepickerRef.instance.value = value;
}
}));
// if date changes from picker (view -> model)
if (this._datepickerRef) {
this._subs.push(this._datepickerRef.instance.valueChange.subscribe((value) => {
this.bsValue = value;
this.hide();
}));
}
}
/**
* Closes an element’s datepicker. This is considered a “manual” triggering of
* the datepicker.
*/
hide() {
if (this.isOpen) {
this._datepicker.hide();
}
for (const sub of this._subs) {
sub.unsubscribe();
}
if (this._config.returnFocusToInput) {
this._renderer.selectRootElement(this._elementRef.nativeElement).focus();
}
}
/**
* Toggles an element’s datepicker. This is considered a “manual” triggering
* of the datepicker.
*/
toggle() {
if (this.isOpen) {
return this.hide();
}
this.show();
}
/**
* Set config for datepicker
*/
setConfig() {
this._config = Object.assign({}, this._config, this.bsConfig, {
value: checkBsValue(this._bsValue, this.maxDate || this.bsConfig && this.bsConfig.maxDate),
isDisabled: this.isDisabled,
minDate: this.minDate || this.bsConfig && this.bsConfig.minDate,
maxDate: this.maxDate || this.bsConfig && this.bsConfig.maxDate,
daysDisabled: this.daysDisabled || this.bsConfig && this.bsConfig.daysDisabled,
dateCustomClasses: this.dateCustomClasses || this.bsConfig && this.bsConfig.dateCustomClasses,
dateTooltipTexts: this.dateTooltipTexts || this.bsConfig && this.bsConfig.dateTooltipTexts,
datesDisabled: this.datesDisabled || this.bsConfig && this.bsConfig.datesDisabled,
datesEnabled: this.datesEnabled || this.bsConfig && this.bsConfig.datesEnabled,
minMode: this.minMode || this.bsConfig && this.bsConfig.minMode
});
}
ngOnDestroy() {
this._datepicker.dispose();
this.isOpen$.next(false);
if (this.isDestroy$) {
this.isDestroy$.next();
this.isDestroy$.complete();
}
}
}
BsDatepickerDirective.decorators = [
{ type: Directive, args: [{
selector: '[bsDatepicker]',
exportAs: 'bsDatepicker'
},] }
];
BsDatepickerDirective.ctorParameters = () => [
{ type: BsDatepickerConfig },
{ type: ElementRef },
{ type: Renderer2 },
{ type: ViewContainerRef },
{ type: ComponentLoaderFactory }
];
BsDatepickerDirective.propDecorators = {
placement: [{ type: Input }],
triggers: [{ type: Input }],
outsideClick: [{ type: Input }],
container: [{ type: Input }],
outsideEsc: [{ type: Input }],
onShown: [{ type: Output }],
onHidden: [{ type: Output }],
isDisabled: [{ type: Input }],
minDate: [{ type: Input }],
maxDate: [{ type: Input }],
minMode: [{ type: Input }],
daysDisabled: [{ type: Input }],
datesDisabled: [{ type: Input }],
datesEnabled: [{ type: Input }],
dateCustomClasses: [{ type: Input }],
dateTooltipTexts: [{ type: Input }],
bsValueChange: [{ type: Output }],
isOpen: [{ type: Input }],
bsValue: [{ type: Input }],
bsConfig: [{ type: Input }]
};
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