| /** |
| * 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, forwardRef} from '@angular/core'; |
| import {ControlValueAccessor, NG_VALUE_ACCESSOR} from '@angular/forms'; |
| import {ListItem} from '@app/classes/list-item'; |
| import {MenuButtonComponent} from '@app/components/menu-button/menu-button.component'; |
| |
| @Component({ |
| selector: 'filter-button', |
| templateUrl: '../menu-button/menu-button.component.html', |
| styleUrls: ['../menu-button/menu-button.component.less'], |
| providers: [ |
| { |
| provide: NG_VALUE_ACCESSOR, |
| useExisting: forwardRef(() => FilterButtonComponent), |
| multi: true |
| } |
| ] |
| }) |
| export class FilterButtonComponent extends MenuButtonComponent implements ControlValueAccessor { |
| |
| private onChange: (fn: any) => void; |
| |
| updateSelection(items: ListItem | ListItem[], callOnChange = true): void { |
| super.updateSelection(items); |
| if (callOnChange) { |
| this._onChange(this.selection); |
| } |
| } |
| |
| private _onChange(value) { |
| if (this.onChange) { |
| this.onChange(value); |
| } |
| } |
| |
| writeValue(items: ListItem[]) { |
| this.selection = items; |
| } |
| |
| registerOnChange(callback: any): void { |
| this.onChange = callback; |
| } |
| |
| registerOnTouched() { |
| } |
| |
| } |