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preview-extension.component.ts
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preview-extension.component.ts
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/*!
* @license
* Copyright © 2005-2024 Hyland Software, Inc. and its affiliates. All rights reserved.
*
* Licensed 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, ComponentRef, OnInit, ViewChild, ViewContainerRef, OnDestroy, OnChanges } from '@angular/core';
import { ExtensionService } from '../../services/extension.service';
@Component({
selector: 'adf-preview-extension',
standalone: true,
template: `<div #content></div>`
})
export class PreviewExtensionComponent implements OnInit, OnChanges, OnDestroy {
@ViewChild('content', { read: ViewContainerRef, static: true })
content: ViewContainerRef;
/** ID string of the component to preview. */
@Input()
id: string;
/** Identifier of a node that is opened by the viewer. */
@Input()
nodeId: string = null;
/** URL of the content in the repository. */
@Input()
url: string;
/** File extension (.jpg, .png, etc) for the viewer. */
@Input()
extension: string;
private componentRef: ComponentRef<any>;
constructor(private extensionService: ExtensionService) {}
ngOnInit() {
if (!this.id) {
return;
}
const componentType = this.extensionService.getComponentById(this.id);
if (componentType) {
this.content.clear();
this.componentRef = this.content.createComponent(componentType, { index: 0 });
this.updateInstance();
}
}
ngOnChanges() {
this.updateInstance();
}
ngOnDestroy() {
if (this.componentRef) {
this.componentRef.destroy();
this.componentRef = null;
}
}
private updateInstance() {
if (this.componentRef?.instance) {
const instance = this.componentRef.instance;
instance.url = this.url;
instance.extension = this.extension;
instance.nodeId = this.nodeId;
}
}
}