/**
* Updates the interal bitset from <code>iterator</code>. This will set <code>validMask</code> to
* true if <code>iterator</code> is non-null.
*/
private void updateMask(AttributedCharacterIterator iterator) {
if (iterator != null) {
validMask = true;
this.iterator = iterator;
// Update the literal mask
if (literalMask == null) {
literalMask = new BitSet();
} else {
for (int counter = literalMask.length() - 1; counter >= 0; counter--) {
literalMask.clear(counter);
}
}
iterator.first();
while (iterator.current() != CharacterIterator.DONE) {
Map attributes = iterator.getAttributes();
boolean set = isLiteral(attributes);
int start = iterator.getIndex();
int end = iterator.getRunLimit();
while (start < end) {
if (set) {
literalMask.set(start);
} else {
literalMask.clear(start);
}
start++;
}
iterator.setIndex(start);
}
}
}
/** Returns a Set of the attribute identifiers at <code>index</code>. */
Map getAttributes(int index) {
if (isValidMask()) {
AttributedCharacterIterator iterator = getIterator();
if (index >= 0 && index <= iterator.getEndIndex()) {
iterator.setIndex(index);
return iterator.getAttributes();
}
}
return null;
}
public void actionPerformed(ActionEvent ae) {
if (getFormattedTextField().isEditable()) {
if (getAllowsInvalid()) {
// This will work if the currently edited value is valid.
updateMask();
}
boolean validEdit = false;
if (isValidMask()) {
int start = getFormattedTextField().getSelectionStart();
if (start != -1) {
AttributedCharacterIterator iterator = getIterator();
iterator.setIndex(start);
Map attributes = iterator.getAttributes();
Object field = getAdjustField(start, attributes);
if (canIncrement(field, start)) {
try {
Object value = stringToValue(getFormattedTextField().getText());
int fieldTypeCount = getFieldTypeCountTo(field, start);
value = adjustValue(value, attributes, field, direction);
if (value != null && isValidValue(value, false)) {
resetValue(value);
updateMask();
if (isValidMask()) {
selectField(field, fieldTypeCount);
}
validEdit = true;
}
} catch (ParseException pe) {
} catch (BadLocationException ble) {
}
}
}
}
if (!validEdit) {
invalidEdit();
}
}
}