export class AdapterDataSource extends DataSource<any> {
    constructor(private resource: ManageResource) {
        super();
    }
    connect(): Observable<AdapterViewModel[]> {
        return fromPromise(this.resource.readMessageDetails().then(adapters => {
            let adapterViewModels = AdapterViewModelList.build(AdapterViewModel);
            adapterViewModels.extend(adapters);
            console.log(adapterViewModels.toArray())
            return adapterViewModels.toArray();
        }));
    }
    disconnect() { }
}

<input type="checkbox" (change)="toggle($event)">

toggle(e) {
    this.isChecked = e.target.checked;
}

<div *ngIf="isChecked">
...
</div>