comparison src/app/feature-extraction-menu/feature-extraction-menu.component.ts @ 48:af0b4b05311c

Guard against extraction when no audio is loaded.

-import {Component, OnInit, Output, EventEmitter} from '@angular/core';
+import {Component, OnInit, Output, EventEmitter, Input} from '@angular/core';
 import {FeatureExtractionService} from "../services/feature-extraction/feature-extraction.service";
 
 export interface ExtractorOutputInfo {
   extractorKey: string;
   combinedKey: string;

   templateUrl: './feature-extraction-menu.component.html',
   styleUrls: ['./feature-extraction-menu.component.css']
 })
 export class FeatureExtractionMenuComponent implements OnInit {
 
+  @Input()
+  set disabled(isDisabled: boolean) {
+    this.isDisabled = isDisabled;
+  }
+
+  get disabled() {
+    return this.isDisabled;
+  }
+
   @Output() requestOutput: EventEmitter<ExtractorOutputInfo>;
 
+  private isDisabled: boolean;
   private extractorsMap: Map<string, ExtractorOutputInfo>;
   extractors: Iterable<ExtractorOutputInfo>;
 
   constructor(private piperService: FeatureExtractionService) {
     this.extractorsMap = new Map();
     this.extractors = [];
     this.requestOutput = new EventEmitter();
+    this.isDisabled = true;
   }
 
   ngOnInit() {
     this.piperService.list().then(available => {
       const maxCharacterLimit = 50;