All files / layout/aem-model-provider aem-model-provider.component.ts

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/*
 * Copyright 2020 Adobe. All rights reserved.
 * This file is licensed 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 REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
 
import { Component, Input, ViewChild } from '@angular/core';
import { ModelManager } from '@adobe/aem-spa-page-model-manager';
import { AEMComponentDirective } from '../aem-component.directive';
 
@Component({
  selector: 'aem-model-provider,[aemModelProvider]',
  template: `<ng-container aemComponent [cqItem]='cqItem' [cqPath]='cqPath' [itemName]='itemName'></ng-container>`
})
/**
 * The current component is responsible for providing access to the ModelManager and the model of a component
 */
export class AEMModelProviderComponent {
  /**
   * Path to the model associated with the current instance of the component
   */
  @Input() cqPath;
  /**
   * Model item associated with the current model provider component
   */
  @Input() cqItem;
  /**
   * Name of the item associated with the current model provider component
   */
  @Input() itemName;
 
  @Input() aemModelProvider;
 
  @ViewChild(AEMComponentDirective) aemComponent: AEMComponentDirective;
 
  constructor() { /* void */ }
 
  /**
   * Updates the item data
   */
  updateItem(): void {
    ModelManager.getData({ path: this.cqPath }).then(model => {
      this.cqItem = model;
      this.aemComponent.changeDetectorRef.markForCheck();
    });
  }
 
  ngOnInit(): void {
    ModelManager.addListener(this.cqPath, this.updateItem.bind(this));
  }
 
  ngDestroy(): void {
    ModelManager.removeListener(this.cqPath, this.updateItem.bind(this));
  }
}