<header *ngIf="data.schemaPointer || data.samples.length"> Request samples </header>
<schema-sample *ngIf="!data.samples.length" [skipReadOnly]="true" [pointer]="data.schemaPointer"> </schema-sample>
<tabs *ngIf="data.samples.length" [selected] = "selectedLang" (change)=changeLangNotify($event)>
  <tab tabTitle="JSON">
    <schema-sample [pointer]="data.schemaPointer" [skipReadOnly]="true"> </schema-sample>
  </tab>
  <tab *ngFor="let sample of data.samples" [tabTitle]="sample.lang">
    <pre [innerHtml]="sample.source | prism:sample.lang"></pre>
  </tab>
</tabs>