ngx-number-input
Version:
Componente angular para formatear números dentro de un input
140 lines • 14.9 kB
JavaScript
import { Component, forwardRef, Input, ViewChild } from '@angular/core';
import { NG_VALUE_ACCESSOR, NG_VALIDATORS } from '@angular/forms';
export class NgxNumberInputComponent {
constructor() {
this.placeholder = "";
this.locale = "en-GB";
this.currency = null;
this.onChange = (_) => { };
this.onTouched = () => { };
this.isFocused = false;
}
set max(val) {
this._max = val;
}
get min() {
return this._min;
}
set min(val) {
this._min = val;
}
get max() {
return this._max;
}
ngOnInit() {
}
ngOnChanges(simpleChange) {
if (simpleChange['max']) {
this.max = simpleChange['max'].currentValue;
}
if (simpleChange['min']) {
this.min = simpleChange['min'].currentValue;
}
}
validate({ value }) {
let isNotValid = false;
if (this.isRequired) {
if (!this.value || this.value.toString() == "") {
return {
"invalid": true,
"required": true,
};
}
}
if (this.value) {
isNotValid = this.value !== Number(value);
if (!isNotValid && this.min) {
isNotValid = (Number(value) < this.min);
}
if (!isNotValid && this.max) {
isNotValid = (Number(value) > this.max);
}
}
if (isNotValid) {
return {
"invalid": true,
"max": this.max ? (Number(value) > this.max) : null,
"min": this.min ? (Number(value) < this.min) : null
};
}
return null;
}
updateChanges() {
this.onChange(this.value);
}
writeValue(value) {
this.value = value;
this.updateChanges();
}
registerOnChange(fn) {
this.onChange = fn;
}
registerOnTouched(fn) {
this.onTouched = fn;
}
get numberFormatted() {
if (this.value) {
if (this.currency) {
try {
return Number(this.value).toLocaleString(this.locale, {
style: 'currency',
currency: this.currency,
});
}
catch (error) {
return Number(this.value).toLocaleString(this.locale);
}
}
else {
return Number(this.value).toLocaleString(this.locale, {});
}
}
else {
return '';
}
}
onFocus() {
this.isFocused = true;
setTimeout(() => {
this.inputN.nativeElement.focus();
}, 0);
}
onBlur() {
this.onTouched();
this.isFocused = false;
}
}
NgxNumberInputComponent.decorators = [
{ type: Component, args: [{
selector: 'ngx-number-input',
template: "<input type=\"number\" [(ngModel)]=\"value\" [attr.max]=\"max\" [attr.min]=\"min\" [attr.class]=\"klass\" [ngClass]=\"ngClass\" (change)=\"updateChanges()\" [placeholder]=\"placeholder\" (blur)=\"onBlur()\" [required]=\"isRequired\" [disabled]=\"isDisabled\" [readonly]=\"isReadOnly\"\n *ngIf=\"isFocused\" #inputN>\n<input type=\"text\" value=\"{{ numberFormatted }}\" [attr.max]=\"max\" [attr.min]=\"min\" [ngClass]=\"ngClass\" [required]=\"isRequired\" [attr.class]=\"klass\" [disabled]=\"isDisabled\" [readonly]=\"isReadOnly\" [placeholder]=\"placeholder\" (focus)=\"onFocus()\" *ngIf=\"!isFocused\">\n<p *ngIf=\"isFocused\"><span class=\"text-muted\">{{ numberFormatted }}</span></p>",
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => NgxNumberInputComponent),
multi: true
},
{
provide: NG_VALIDATORS,
useExisting: NgxNumberInputComponent,
multi: true
}
],
styles: [""]
},] }
];
NgxNumberInputComponent.ctorParameters = () => [];
NgxNumberInputComponent.propDecorators = {
klass: [{ type: Input, args: ['styleClass',] }],
ngClass: [{ type: Input, args: ['ngClass',] }],
isRequired: [{ type: Input, args: ['required',] }],
isDisabled: [{ type: Input, args: ['disabled',] }],
isReadOnly: [{ type: Input, args: ['readonly',] }],
placeholder: [{ type: Input, args: ['placeholder',] }],
locale: [{ type: Input, args: ['locale',] }],
currency: [{ type: Input, args: ['currency',] }],
inputN: [{ type: ViewChild, args: ["inputN", { static: false },] }],
min: [{ type: Input, args: ["min",] }],
max: [{ type: Input, args: ["max",] }]
};
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}\n  @Input('required') isRequired!: boolean;\n  @Input('disabled') isDisabled!: boolean;\n  @Input('readonly') isReadOnly!: boolean;\n  @Input('placeholder') placeholder: string = \"\";\n  @Input('locale') locale: string = \"en-GB\";\n  @Input('currency') currency: string = null;\n\n  onChange: (_: any) => void = (_: any) => { };\n  onTouched: () => void = () => { };\n\n  @ViewChild(\"inputN\", { static: false }) inputN!: ElementRef;\n\n  isFocused: boolean = false;\n\n  set max(val: number) {\n    this._max = val;\n  }\n\n  @Input(\"min\") get min(): number {\n    return this._min;\n  }\n\n  set min(val: number) {\n    this._min = val;\n  }\n\n  @Input(\"max\") get max(): number {\n    return this._max;\n  }\n\n  constructor() { }\n\n  ngOnInit(): void {\n  }\n\n  ngOnChanges(simpleChange: SimpleChanges) {\n    if (simpleChange['max']) {\n      this.max = simpleChange['max'].currentValue;\n    }\n    if (simpleChange['min']) {\n      this.min = simpleChange['min'].currentValue;\n    }\n  }\n\n\n  validate({ value }: FormControl): ValidationErrors {\n    let isNotValid = false;\n    if (this.isRequired) {\n      if (!this.value || this.value.toString() == \"\") {\n        return {\n          \"invalid\": true,\n          \"required\": true,\n        };\n      }\n    }\n    if (this.value) {\n      isNotValid = this.value !== Number(value);\n      if (!isNotValid && this.min) {\n        isNotValid = (Number(value) < this.min);\n      }\n      if (!isNotValid && this.max) {\n        isNotValid = (Number(value) > this.max);\n      }\n    }\n\n    if (isNotValid) {\n      return {\n        \"invalid\": true,\n        \"max\": this.max ? (Number(value) > this.max) : null,\n        \"min\": this.min ? (Number(value) < this.min) : null\n      };\n    }\n    return null;\n\n  }\n\n  updateChanges() {\n    this.onChange(this.value);\n  }\n\n  writeValue(value: number): void {\n    this.value = value;\n    this.updateChanges();\n\n  }\n\n  registerOnChange(fn: any): void {\n    this.onChange = fn;\n  }\n\n  registerOnTouched(fn: any): void {\n    this.onTouched = fn;\n  }\n\n  get numberFormatted(): string {\n    if (this.value) {\n      if (this.currency) {\n        try {\n          return Number(this.value).toLocaleString(this.locale, {\n            style: 'currency',\n            currency: this.currency,\n          });\n        } catch (error) {\n          return Number(this.value).toLocaleString(this.locale);\n        }\n      } else {\n        return Number(this.value).toLocaleString(this.locale, {\n        });\n      }\n    } else {\n      return '';\n    }\n  }\n\n\n  onFocus() {\n    this.isFocused = true;\n    setTimeout(() => {\n      this.inputN.nativeElement.focus();\n    }, 0);\n\n  }\n\n\n  onBlur() {\n    this.onTouched();\n    this.isFocused = false;\n  }\n\n}\n\n"]}