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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 | 98x 98x 98x 98x 98x 98x 439x 98x 98x 98x 98x 98x 439x 439x 439x 439x 439x 438x 438x 438x 438x 98x 486x 448x 486x 486x 486x 486x 486x 486x 98x 486x 2x 2x 2x 486x 196x 98x | import { Directive, ElementRef, EventEmitter, HostListener, Input, OnInit, Output } from '@angular/core'; import { NgControl } from '@angular/forms'; import * as _ from 'lodash'; import { DimlessBinaryPerSecondPipe } from '../pipes/dimless-binary-per-second.pipe'; import { FormatterService } from '../services/formatter.service'; @Directive({ selector: '[cdDimlessBinaryPerSecond]' }) export class DimlessBinaryPerSecondDirective implements OnInit { @Output() ngModelChange: EventEmitter<any> = new EventEmitter(); /** * Event emitter for letting this directive know that the data has (asynchronously) been loaded * and the value needs to be adapted by this directive. */ @Input() ngDataReady: EventEmitter<any>; /** * Minimum size in bytes. * If user enter a value lower than <minBytes>, * the model will automatically be update to <minBytes>. * * If <roundPower> is used, this value should be a power of <roundPower>. * * Example: * Given minBytes=4096 (4KiB), if user type 1KiB, then model will be updated to 4KiB */ @Input() minBytes: number; /** * Maximum size in bytes. * If user enter a value greater than <maxBytes>, * the model will automatically be update to <maxBytes>. * * If <roundPower> is used, this value should be a power of <roundPower>. * * Example: * Given maxBytes=3145728 (3MiB), if user type 4MiB, then model will be updated to 3MiB */ @Input() maxBytes: number; /** * Value will be rounded up the nearest power of <roundPower> * * Example: * Given roundPower=2, if user type 7KiB, then model will be updated to 8KiB * Given roundPower=2, if user type 5KiB, then model will be updated to 4KiB */ @Input() roundPower: number; /** * Default unit that should be used when user do not type a unit. * By default, "MiB" will be used. * * Example: * Given defaultUnit=null, if user type 7, then model will be updated to 7MiB * Given defaultUnit=k, if user type 7, then model will be updated to 7KiB */ @Input() defaultUnit: string; private el: HTMLInputElement; constructor( private elementRef: ElementRef, private control: NgControl, private dimlessBinaryPerSecondPipe: DimlessBinaryPerSecondPipe, private formatter: FormatterService ) { this.el = this.elementRef.nativeElement; } ngOnInit() { this.setValue(this.el.value); Eif (this.ngDataReady) { this.ngDataReady.subscribe(() => this.setValue(this.el.value)); } } setValue(value) { if (/^[\d.]+$/.test(value)) { value += this.defaultUnit || 'm'; } const size = this.formatter.toBytes(value, 0); const roundedSize = this.round(size); this.el.value = this.dimlessBinaryPerSecondPipe.transform(roundedSize); Eif (size !== null) { this.ngModelChange.emit(this.el.value); this.control.control.setValue(this.el.value); } else { this.ngModelChange.emit(null); this.control.control.setValue(null); } } round(size) { if (size !== null && size !== 0) { Iif (!_.isUndefined(this.minBytes) && size < this.minBytes) { return this.minBytes; } Iif (!_.isUndefined(this.maxBytes) && size > this.maxBytes) { return this.maxBytes; } Iif (!_.isUndefined(this.roundPower)) { const power = Math.round(Math.log(size) / Math.log(this.roundPower)); return Math.pow(this.roundPower, power); } } return size; } @HostListener('blur', ['$event.target.value']) onBlur(value) { this.setValue(value); } } |