@Override
public AtomicElement getAtomicElement(NSIndexPath indexPath) {
return PeriodicElements.getSharedPeriodicElements()
.getElementsWithInitialLetter(
PeriodicElements.getSharedPeriodicElements()
.getElementNameIndexes()
.get(indexPath.getSection()))
.get(indexPath.getRow());
}
@Override
public long getNumberOfRowsInSection(UITableView tableView, long section) {
// the section represents the initial letter of the element
// return that letter
String initialLetter =
PeriodicElements.getSharedPeriodicElements().getElementNameIndexes().get((int) section);
// get the array of elements that begin with that letter
List<AtomicElement> elementsWithInitialLetter =
PeriodicElements.getSharedPeriodicElements().getElementsWithInitialLetter(initialLetter);
// return the count
return elementsWithInitialLetter.size();
}
@Override
public List<String> getSectionIndexTitles(UITableView tableView) {
// returns the array of section titles. There is one entry for each
// unique character that an element begins with
// [A,B,C,D,E,F,G,H,I,K,L,M,N,O,P,R,S,T,U,V,X,Y,Z]
return PeriodicElements.getSharedPeriodicElements().getElementNameIndexes();
}
@Override
public long getNumberOfSections(UITableView tableView) {
// this table has multiple sections. One for each unique character that
// an element begins with
// [A,B,C,D,E,F,G,H,I,K,L,M,N,O,P,R,S,T,U,V,X,Y,Z]
// return the size of that array
return PeriodicElements.getSharedPeriodicElements().getElementNameIndexes().size();
}
@Override
public String getTitleForHeader(UITableView tableView, long section) {
// this table has multiple sections. One for each unique character that
// an element begins with
// [A,B,C,D,E,F,G,H,I,K,L,M,N,O,P,R,S,T,U,V,X,Y,Z]
// return the letter that represents the requested section
// this is actually a delegate method, but we forward the request to the
// datasource in the view controller
return PeriodicElements.getSharedPeriodicElements().getElementNameIndexes().get((int) section);
}
@Override
public long getNumberOfRowsInSection(UITableView tableView, long section) {
return PeriodicElements.getSharedPeriodicElements().getElementsSortedByNumber().size();
}
@Override
public AtomicElement getAtomicElement(NSIndexPath indexPath) {
return PeriodicElements.getSharedPeriodicElements()
.getElementsSortedByNumber()
.get(indexPath.getRow());
}