@if (columns) {
  <f-flow fDraggable (fLoaded)="onLoaded()">
    <f-canvas fZoom>
      @for (column of columns; track column; let cIndex = $index) {
          <div fNode *ngFor="let node of column; let rIndex = index"
               [fNodePosition]="{ x: 120 * cIndex, y: rIndex * 120 }" fDragHandle>
            Node
          </div>
      }
    </f-canvas>
  </f-flow>
}