/** Update the match list based on the model. */
private void updateList() {
@SuppressWarnings("unchecked")
T[] matchingItems =
(T[])
IterUtil.toArray(_pim.getMatchingItems(), Comparable.class); // T erases to Comparable!
_matchList.setListData(matchingItems);
_matchList.setSelectedValue(_pim.getCurrentItem(), true);
updateExtensionLabel();
updateInfo();
if (_force) {
for (int i = 0; i < _buttons.length - 1; ++i) {
_buttons[i].setEnabled(_matchList.getModel().getSize() > 0);
}
}
}
/**
* Create a new predictive string input frame.
*
* @param owner owner frame
* @param force true if the user is forced to select one of the items
* @param ignoreCase true if case should be ignored
* @param info information supplier to use for additional information display
* @param strategies array of matching strategies
* @param actions actions to be performed when the user closes the frame, e.g. "OK" and "Cancel";
* "Cancel" has to be last
* @param items list of items
*/
public PredictiveInputFrame(
SwingFrame owner,
String title,
boolean force,
boolean ignoreCase,
InfoSupplier<? super T> info,
java.util.List<PredictiveInputModel.MatchingStrategy<T>> strategies,
java.util.List<CloseAction<T>> actions,
int cancelIndex,
Collection<T> items) {
super(title);
_strategies = strategies;
@SuppressWarnings("unchecked")
PredictiveInputModel.MatchingStrategy<T>[] strategyArray = // UGLY
IterUtil.toArray(_strategies, PredictiveInputModel.MatchingStrategy.class);
_strategyBox = new JComboBox<PredictiveInputModel.MatchingStrategy<T>>(strategyArray);
_currentStrategy = _strategies.get(0);
_pim = new PredictiveInputModel<T>(ignoreCase, _currentStrategy, items);
@SuppressWarnings("unchecked")
T[] matchingItems =
(T[])
IterUtil.toArray(_pim.getMatchingItems(), Comparable.class); // T erases to Comparable!
_matchList = new JList<T>(matchingItems);
_force = force;
_info = info;
_lastState = null;
_owner = owner;
_actions = new ArrayList<CloseAction<T>>(actions);
_buttons = new JButton[actions.size()];
_cancelIndex = cancelIndex;
init(_info != null);
initDone(); // call mandated by SwingFrame contract
}
/**
* Set the mask in the text field.
*
* @param mask for text field
*/
public void setMask(String mask) {
_pim.setMask(mask);
removeListener();
updateTextField();
updateExtensionLabel();
updateList();
addListener();
}
/**
* Set the currently selected item.
*
* @param item item to select
*/
public void setCurrentItem(T item) {
_pim.setCurrentItem(item);
removeListener();
updateTextField();
updateExtensionLabel();
updateList();
addListener();
}
/** Select the strategy for matching. */
public void selectStrategy() {
_currentStrategy = _strategies.get(_strategyBox.getSelectedIndex());
removeListener();
_pim.setStrategy(_currentStrategy);
updateTextField();
updateExtensionLabel();
updateList();
addListener();
_textField.requestFocus();
}
/** Update the extension label based on the model. */
private void updateExtensionLabel() {
_sharedExtLabel.setText(_pim.getSharedMaskExtension() + " ");
_tabCompletesLabel.setVisible(_pim.getSharedMaskExtension().length() > 0);
}
/** Update the text field based on the model. */
private void updateTextField() {
_textField.setText(_pim.getMask());
_textField.setCaretPosition(_pim.getMask().length());
}
/**
* Return the item that was selected or null the user entered a mask not in the list and force ==
* false.
*
* @return item that was selected or null
*/
public T getItem() {
if (!_force && _pim.getMatchingItems().size() == 0) return null;
T item = _matchList.getSelectedValue();
return item;
}
/**
* Return a copy of the list of items in the model.
*
* @return list of items
*/
public List<T> getItems() {
return _pim.getItems();
}