51 lines
1.8 KiB
TypeScript
51 lines
1.8 KiB
TypeScript
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import { Component, Input, OnInit } from '@angular/core';
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import { FormGroup, FormControl, FormArray } from '@angular/forms'
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@Component({
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selector: 'progress-bar',
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templateUrl: './progress-bar.component.html',
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})
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export class ProgressBarComponent implements OnInit {
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@Input() formGroup: FormGroup
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private value: number;
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ngOnInit() {
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this.formGroup
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.valueChanges
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.subscribe(control => {
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this.value = (this.getDirtyValues(this.formGroup) / this.getFormControlDepthLength(this.formGroup)) * 100
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})
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}
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getDirtyValues(form: FormGroup): number {
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let value = 0;
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Object.keys(form.controls).forEach(key => {
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let control = form.controls[key]
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if (control instanceof FormGroup) value += this.getDirtyValues(control);
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else if (control instanceof FormArray) {
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let formArray = (<FormArray>control);
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for (let i = 0; i < formArray.length; i++) {
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value += this.getDirtyValues(<FormGroup>formArray.get("" + i))
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}
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}
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else if (control.valid) value++;
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});
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return value;
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}
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getFormControlDepthLength(form: FormGroup): number {
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let value = 0;
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Object.keys(form.controls).forEach(key => {
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let control = form.controls[key]
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if (control instanceof FormGroup) value += this.getFormControlDepthLength(control);
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else if (control instanceof FormArray) {
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let formArray = (<FormArray>control);
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for (let i = 0; i < formArray.length; i++) {
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value += this.getFormControlDepthLength(<FormGroup>formArray.get("" + i))
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}
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}
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else if (control instanceof FormControl) value++;
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});
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return value;
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}
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} |