/**
* Returns a non-empty vector of integers in the range min..max. Numbers in the input may be
* delimited by whitespaces and/or commas. If no input is given, a vector with 1 random value in
* the range min..max is returned.
*/
Vector<Integer> getNonEmptyVI(int min, int max) {
final Vector<Integer> args = getVI();
if (args.size() == 0) {
args.add(MyRandom.Int(min, max));
sb.setText("no input; using random value");
}
return args;
}
/**
* Returns an integer in the range min..max. If no input is given, a default value def is
* returned.
*/
public int getInt(int def, int min, int max) {
int n = def;
final String firstWord = this.getText().split("(\\s|,)")[0];
try {
n = Integer.parseInt(firstWord);
if (n < min) {
n = min;
sb.setText("value too small; using the minimum value " + min + " instead");
}
if (n > max) {
n = max;
sb.setText("value too high; using the maximum value " + max + " instead");
}
sb.setText(" ");
} catch (final NumberFormatException e) {
sb.setText("couldn't parse an integer; using the default value " + def);
}
setText("");
return n;
}
/**
* Returns a vector of integers in the range min..max. Numbers in the input may be delimited by
* whitespaces and/or commas.
*/
public Vector<Integer> getVI(int min, int max) {
boolean range = false;
final Vector<Integer> args = new Vector<Integer>();
final String[] tokens = this.getText().replaceAll("\\.{2,}", " .. ").split("(\\s|,)+");
for (final String t : tokens) {
if ("..".equals(t)) {
range = true;
} else {
int x = min;
try {
x = Integer.parseInt(t);
if (x < min) {
x = min;
sb.setText("value too small; using the minimum value instead");
}
if (x > max) {
x = max;
sb.setText("value too high; using the maximum value instead");
}
if (range) {
final int a = args.lastElement();
for (int i = a + 1; i < x; ++i) {
args.add(i);
}
for (int i = a - 1; i > x; --i) {
args.add(i);
}
range = false;
}
args.add(x);
} catch (final NumberFormatException e) {
sb.setText("couldn't parse an integer");
}
}
}
setText("");
return args;
}
