alfresco-ng2-components/demo-shell-ng2/app/components/activiti/form-viewer.component.ts

/*!
 * @license
 * Copyright 2016 Alfresco Software, Ltd.
 *
 * 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, OnInit, OnDestroy, AfterViewChecked } from '@angular/core';
import { ActivatedRoute, Router } from '@angular/router';
import { ActivitiForm, FormService } from 'ng2-activiti-form';
import { Subscription } from 'rxjs/Rx';

declare let __moduleName: string;
declare var componentHandler;

@Component({
    moduleId: __moduleName,
    selector: 'form-viewer',
    templateUrl: './form-viewer.component.html',
    styleUrls: ['./form-viewer.component.css'],
    directives: [ActivitiForm],
    providers: [FormService]
})
export class FormViewer implements OnInit, OnDestroy, AfterViewChecked {

    private sub: Subscription;

    taskId: string;

    constructor(private formService: FormService,
                private route: ActivatedRoute,
                private router: Router) {
    }

    ngOnInit() {
        this.sub = this.route.params.subscribe(params => {
            this.taskId = params['id'];
        });
    }

    ngOnDestroy() {
        this.sub.unsubscribe();
    }

    ngAfterViewChecked() {
        // workaround for MDL issues with dynamic components
        if (componentHandler) {
            componentHandler.upgradeAllRegistered();
        }
    }

}