/**
* Starts the progress displaying. Should be called at the start of the process whose progress is
* to be displayed.
*/
public void start() {
step = 0;
update = 0;
percent = 0;
progress();
}
/** Increases the internal step counter. */
public void step() {
if (steps > 0) {
++step;
percent = step / steps;
final int pup = (int) (percent * updates);
if (pup > update) {
update = pup;
progress();
}
}
}
/**
* Increases the internal step counter by the given amount.
*
* @param n the number of steps to be added to the internal step counter.
* @exception IllegalArgumentException if {@code n} is less than {@code 0}.
*/
public void step(final int n) {
if (n < 0) throw new IllegalArgumentException("Number of steps less than 0");
if (steps > 0) {
step += n;
percent = step / steps;
final int pup = (int) (percent * updates);
if (pup > update) {
update = pup;
progress();
}
}
}
/**
* Stops the progress displaying. Should be called at the end of the process whose progress was
* displayed.
*/
public void stop() {
percent = 1;
progress();
}
