web-app/src/app/shared/components/key-value-input/key-value-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, EventEmitter, Input, OnInit, Output } from '@angular/core';

@Component({
  selector: 'app-key-value-input',
  templateUrl: './key-value-input.component.html',
  styleUrls: ['./key-value-input.component.less']
})
export class KeyValueInputComponent implements OnInit {
  constructor() {}

  @Input() value!: any;
  @Output() readonly valueChange = new EventEmitter<string>();

  @Input()
  keyAlias: string = 'Key';
  @Input()
  valueAlias: string = 'Value';

  keyValues: any[] = [];

  ngOnInit(): void {
    if (this.value == undefined) {
      this.value = {
        '': ''
      };
    } else {
      this.value = JSON.parse(this.value);
    }
    Object.keys(this.value).map(item => {
      this.keyValues.push({
        key: item,
        value: this.value[item]
      });
    });
  }

  addNew(e?: MouseEvent) {
    if (e) {
      e.preventDefault();
    }
    this.keyValues.push({
      key: '',
      value: ''
    });
  }
  removeCurrent(index: number, e?: MouseEvent) {
    if (e) {
      e.preventDefault();
    }
    if (this.keyValues.length > 1) {
      this.keyValues.splice(index, 1);
    }
  }
  onChange() {
    this.value = {};
    this.keyValues.forEach(item => {
      if (item != null && item.key != null) {
        this.value[item.key] = item.value;
      }
    });
    this.valueChange.emit(JSON.stringify(this.value));
  }
}