Merge branch 'questions-to-be-selected' into 'staging'

Sort keywords alphabetically

Closes #152

See merge request arsnova/topic-cloud!69

src/app/components/shared/comment/comment.component.html

@@ -331,7 +331,7 @@
         <mat-menu #keywordsMenu>
 
           <mat-list dense class="keywords-list">
-            <mat-list-item *ngFor="let keyword of comment.keywordsFromQuestioner; let odd = odd; let even = even"
+            <mat-list-item *ngFor="let keyword of sortKeywords(comment.keywordsFromQuestioner); let odd = odd; let even = even"
                             [class.keywords-alternate]="odd"
                             [class.keywords-even]="even">                  
                             <span (click)="this.clickedOnKeyword.emit(keyword)" class="keyword-span">{{keyword}}</span>

src/app/components/shared/comment/comment.component.ts

@@ -114,6 +114,10 @@ export class CommentComponent implements OnInit, AfterViewInit {
     }
   }
 
+  sortKeywords(keywords: string[]){
+    return keywords.sort((a,b) => a.localeCompare(b));
+  }
+
   toggleExpand(evt: MouseEvent) {
     this.isExpanded = !this.isExpanded;
     if (this.isExpanded) {