catalog-ui/src/app/ng2/components/ui/plugin/plugin-frame.component.ts

   1 import {Component, Inject, Input, Output, OnInit, EventEmitter} from "@angular/core";
   2 import {URLSearchParams} from '@angular/http';
   3 import {Plugin} from "app/models";
   4 import {EventBusService} from "../../../services/event-bus.service";
   5
   6 @Component({
   7     selector: 'plugin-frame',
   8     templateUrl: './plugin-frame.component.html',
   9     styleUrls: ['plugin-frame.component.less']
  10 })
  11
  12 export class PluginFrameComponent implements OnInit {
  13
  14     @Input() plugin: Plugin;
  15     @Input() queryParams: Object;
  16     @Output() onLoadingDone: EventEmitter<void> = new EventEmitter<void>();
  17     pluginUrl: string;
  18     private urlSearchParams: URLSearchParams;
  19     private isClosed: boolean;
  20
  21     constructor(private eventBusService: EventBusService,
  22                 @Inject('$scope') private $scope: ng.IScope,
  23                 @Inject('$state') private $state: ng.ui.IStateService) {
  24         this.urlSearchParams = new URLSearchParams();
  25     }
  26
  27     ngOnInit(): void {
  28         if (this.plugin.isOnline) {
  29             this.initPlugin();
  30         }
  31     }
  32
  33     private initPlugin() {
  34         this.pluginUrl = this.plugin.pluginSourceUrl;
  35         this.isClosed = false;
  36
  37         if (this.queryParams && !_.isEmpty(this.queryParams)) {
  38             _.forOwn(this.queryParams, (value, key) => {
  39                 this.urlSearchParams.set(key, value);
  40             });
  41
  42             this.pluginUrl += '?';
  43             this.pluginUrl += this.urlSearchParams.toString();
  44         }
  45
  46         let readyEvent = (eventData) => {
  47             if (eventData.originId === this.plugin.pluginId) {
  48                 if (eventData.type == "READY") {
  49                     this.onLoadingDone.emit();
  50                     this.eventBusService.off(readyEvent)
  51                 }
  52             }
  53         };
  54
  55         this.eventBusService.on(readyEvent);
  56
  57         // Listening to the stateChangeStart event in order to notify the plugin about it being closed
  58         // before moving to a new state
  59         this.$scope.$on('$stateChangeStart', (event, toState, toParams, fromState, fromParams) => {
  60             if ((fromState.name !== toState.name) || (fromState.name === toState.name) && (toParams.path !== fromParams.path)) {
  61                 if(this.eventBusService.NoWindowOutEvents.indexOf(this.eventBusService.lastEventNotified) == -1) {
  62                     if (!this.isClosed) {
  63                         event.preventDefault();
  64
  65                         this.eventBusService.notify("WINDOW_OUT").subscribe(() => {
  66                             this.isClosed = true;
  67                             this.eventBusService.unregister(this.plugin.pluginId);
  68
  69                             this.$state.go(toState.name, toParams);
  70                         });
  71                     }
  72                 }
  73                 else {
  74                     this.eventBusService.unregister(this.plugin.pluginId);
  75                 }
  76             }
  77         });
  78     }
  79 }