src/app/common/number-input/number-input.component.ts

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import {Component, Input} from '@angular/core';
import {FormGroup} from '@angular/forms';
import {createNumberMask} from 'text-mask-addons/dist/textMaskAddons';

@Component({
  selector: 'fims-number-input',
  templateUrl: './number-input.component.html'
})
export class NumberInputComponent {

  @Input() placeholder;

  @Input() controlName: string;

  @Input() form: FormGroup;

  @Input() requireDecimal = true;

  @Input() decimalLimit = 2;

  @Input() hint: string;

  mask: any;

  constructor() {
    this.mask = createNumberMask({
      prefix: '',
      suffix: '',
      includeThousandsSeparator: false,
      requireDecimal: this.requireDecimal,
      allowNegative: false,
      allowLeadingZeroes: true,
      decimalLimit: this.decimalLimit
    });
  }

  get hasRequiredError(): boolean {
    return this.hasError('required');
  }

  get hasMinValueError(): boolean {
    return this.hasError('minValue');
  }

  get hasGreaterThanValueError(): boolean {
    return this.hasError('greaterThanValue');
  }

  get hasMaxValueError(): boolean {
    return this.hasError('maxValue');
  }

  get hasScaleError(): boolean {
    return this.hasError('maxScale');
  }

  hasError(key: string): boolean {
    return this.form.get(this.controlName).hasError(key);
  }
}