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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | 1x 1x 1x 1x 2x 47x 21x 21x 21x 2x 1x 1x 1x 1x 19x 19x 19x 19x 19x 19x 19x 19x 19x 16x 19x 1x 19x 16x 16x 1x 20x 2x 1x 31x 19x 19x 1x 16x 1x 16x 1x 2x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 1x 1x 1x 3x 1x 2x 2x 1x 2x 2x 1x 4x 3x 4x 1x | import { ChangeDetectorRef, Directive, Input, Optional, Self, OnDestroy, ElementRef, EventEmitter, HostListener, HostBinding, Inject, Renderer2, AfterViewInit, LOCALE_ID } from '@angular/core'; import {ControlValueAccessor, FormGroupDirective, NgControl, NgForm} from '@angular/forms'; import {DateAdapter} from '../services/date-picker.service'; @Directive({ selector: 'anj-input[anjDatePicker]', exportAs: 'anjDatepickerInput' }) export class DatePickerDirective implements OnDestroy, ControlValueAccessor, AfterViewInit { // Custom input to return inner value, but display masked value @Input() get value(): Date { return this.innerDateValue; } set value(dateValue: Date) { if (dateValue) { this.innerDateValue = this.adapterStrategy.processDateInput(dateValue); this.outerValue = this.adapterStrategy.prepDateStringOutput(dateValue); this.changeRef.markForCheck(); } } // AdapterStrategy will be set by the DateAdapter injected provider. This is for an optional override. @Input() set adapter(adapter: any) { this.adapterStrategy = adapter; } @HostBinding('value') public outerValue: string; @HostBinding('attr.invalid') public invalid: boolean; @HostBinding('attr.language') public languageCode: string; public adapterStrategy: DateAdapter<Date>; public readonly valueChange: EventEmitter<Date | null>; private innerDateValue: Date; private listenerFn: () => void; private readonly parent: NgForm | FormGroupDirective | null; constructor(private renderer: Renderer2, private _element: ElementRef, private changeRef: ChangeDetectorRef, public dateAdapter: DateAdapter<Date>, @Optional() parentForm: NgForm, @Optional() parentFormGroup: FormGroupDirective, @Optional() @Self() private ngControl?: NgControl, @Optional() @Inject(LOCALE_ID) _locale?: string) { this.languageCode = (_locale) ? _locale.split('-')[0] : 'en'; this.valueChange = new EventEmitter<Date | null>(); this.adapterStrategy = dateAdapter; if (this.ngControl) { this.ngControl.valueAccessor = this; } this.parent = parentForm ? parentForm : parentFormGroup ? parentFormGroup : null; } public ngAfterViewInit() { if (this.ngControl) { this.value = this.ngControl.value; this.changeRef.detectChanges(); } } public ngOnDestroy(): void { if (this.listenerFn) { this.listenerFn(); } } // // Start: ControlValueAccessor requirements public writeValue(newValue: Date): void { this.value = newValue; } public onChange: Function = () => { } public onTouch: Function = () => { } public registerOnChange(fn: any): void { this.onChange = fn; } public registerOnTouched(fn: any): void { this.onTouch = fn; } // // End: ControlValueAccessor requirements @HostListener('anjBlur', ['$event']) public onInput(event: any) { if (event.target.tagName === 'ANJ-INPUT') { this.onTouch(); this.updateInnerValue(event.target.value); this.valueChange.emit(this.innerDateValue); } } @HostListener('anjCalendarSelection', ['$event']) public onCalendarSelect(event: any) { this.onTouch(); this.updateInnerValue(event.detail); this.valueChange.emit(this.innerDateValue); } /* Intercept and override native input validity, if ngControl has a validity issue */ @HostListener('anjInvalid', ['$event']) public onAnjInvalid(event: any) { this.isInvalid(); if (event.detail !== this.invalid && !event.detail) { this._element.nativeElement .dispatchEvent(new CustomEvent('anjInvalid', { detail: this.invalid, bubbles: true })); this.changeRef.markForCheck(); } } private isInvalid(): boolean { if (!this.ngControl) { return; } const isSubmitted = (this.parent && this.parent.submitted); this.invalid = this.ngControl.invalid && (this.ngControl.touched || isSubmitted); } // convert the masked value to storage value private updateInnerValue(inputDate: string | Date): void { this.innerDateValue = this.adapterStrategy.processDateInput(inputDate); this.propogateInnerValueChange(); } private propogateInnerValueChange(): void { if (this.ngControl) { this.ngControl.control.setValue(this.innerDateValue); } this.valueChange.emit(this.innerDateValue); } } |