src/app/components/selector-header/selector-header.component.html
<ng-container *ngIf="divider"> {{ uiService.frequenciesDivider }} </ng-container>
<header *ngIf="toolbarService.editMode || !persistenceService.getToggleValue(key)" [id]="key" #clickable
[class.collapsed]="persistenceService.getToggleValue(key)" (keypress)="inputService.keypress($event)"
(click)="onClick($event)" [ngStyle]="inline ? {'display': 'inline'}:{}"
[attr.aria-labelledby]="uiService.tabName(key)">
<ng-content></ng-content>
</header>