/*
* @(#)ReverseFigureEnumerator.java 5.1
*
*/
package CH.ifa.draw.standard;
import java.util.Vector;
import CH.ifa.draw.framework.Figure;
import CH.ifa.draw.framework.FigureEnumeration;
import CH.ifa.draw.util.ReverseVectorEnumerator;
/**
* An Enumeration that enumerates a vector of figures back (size-1) to front (0).
*/
public final class ReverseFigureEnumerator implements FigureEnumeration {
ReverseVectorEnumerator fEnumeration;
public ReverseFigureEnumerator(Vector v) {
fEnumeration = new ReverseVectorEnumerator(v);
}
/**
* Returns true if the enumeration contains more elements; false
* if its empty.
*/
public boolean hasMoreElements() {
return fEnumeration.hasMoreElements();
}
/**
* Returns the next element of the enumeration. Calls to this
* method will enumerate successive elements.
* @exception NoSuchElementException If no more elements exist.
*/
public Object nextElement() {
return fEnumeration.nextElement();
}
/**
* Returns the next element casted as a figure of the enumeration. Calls to this
* method will enumerate successive elements.
* @exception NoSuchElementException If no more elements exist.
*/
public Figure nextFigure() {
return (Figure)fEnumeration.nextElement();
}
}