node-tree.component.html

<p-dialog header="{{ 'Select domains' | translate }}" (onShow)="onShow()" (onHide)="onClose()" [(visible)]="showDialog" [modal]="true"
  [style]="{width: '60vw'}" [baseZIndex]="10000" [draggable]="false" [resizable]="false">
  <ng-template pTemplate="body">
    <p-tree #tree [value]="mappedTreeNodes" [selectionMode]="selectionMode" [propagateSelectionDown]="true"
      [(selection)]="selection"></p-tree>
  </ng-template>
  <ng-template pTemplate="footer">
    <p-button (onClick)="selectTreeNodes()">{{'Select' | translate }}</p-button>
  </ng-template>
</p-dialog>