Please add methods to LocalDataSourceObject to getting data without paging for print

in file local.data.source.ts

getElementsNoPage(): Promise {
let data = this.data.slice(0);
return Promise.resolve(this.prepareDataNoPage(data));
}

protected prepareDataNoPage(data: Array): Array {
data = this.filter(data);
data = this.sort(data);
this.filteredAndSorted = data.slice(0);

return this.filteredAndSorted;
}