下面列出了javax.swing.JList#getSelectedIndex ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private void lstTypesValueChanged(javax.swing.event.ListSelectionEvent evt) {//GEN-FIRST:event_lstTypesValueChanged
if (evt.getValueIsAdjusting()
|| updatingName
|| ignoreUpdate) {
return;
}
if (evt.getFirstIndex() != evt.getLastIndex()) {
JList list = (JList) evt.getSource();
int selected = list.getSelectedIndex();
int index = selected == evt.getFirstIndex()
? evt.getLastIndex() : evt.getFirstIndex();
if (index != -1) {
TypeNode curNode = lstTypes.getModel().getElementAt(index);
if (curNode != null) {
savePropertiesTo(curNode);
}
}
}
populateProperties();
}
/**
* Remove an event from a list and SBML gcm.getSBMLDocument()
*
* @param events
* a list of events
* @param gcm.getSBMLDocument()
* an SBML gcm.getSBMLDocument() from which to remove the event
* @param usedIDs
* a list of all IDs current in use
* @param ev
* an array of all events
*/
private void removeEvent(JList events, BioModel gcm) {
int index = events.getSelectedIndex();
if (index != -1) {
String selected = ((String) events.getSelectedValue()).split("\\[")[0];
removeTheEvent(gcm, selected);
events.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
Utility.remove(events);
events.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
if (index < events.getModel().getSize()) {
events.setSelectedIndex(index);
}
else {
events.setSelectedIndex(index - 1);
}
modelEditor.setDirty(true);
modelEditor.makeUndoPoint();
}
}
/**
* Adds a new item to a JList
*/
public static void add(JList currentList, Object newItem) {
Object[] list = new Object[currentList.getModel().getSize() + 1];
int addAfter = currentList.getSelectedIndex();
for (int i = 0; i <= currentList.getModel().getSize(); i++) {
if (i <= addAfter) {
list[i] = currentList.getModel().getElementAt(i);
}
else if (i == (addAfter + 1)) {
list[i] = newItem;
}
else {
list[i] = currentList.getModel().getElementAt(i - 1);
}
}
currentList.setListData(list);
}
private void scannerListSelectionChanged(ListSelectionEvent e) {
if (!(e.getValueIsAdjusting())) {
return;
}
@SuppressWarnings("unchecked")
JList<ScannerListItem> scannerList = (JList<ScannerListItem>) e.getSource();
if (scannerList.getSelectedIndex() < 0) {
disableSettingsComponents();
disableScanButtons();
return;
}
disableSettingsComponents();
ScannerListItem scannerListItem = scannerList.getSelectedValue();
Scanner scanner = scannerListItem.getScanner();
adjustSettingsComponents(scanner);
enableScanButtons();
updateComponents(scannerListItem);
}
@Override
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected, boolean cellHasFocus) {
JComponent comp = (JComponent) super.getListCellRendererComponent(list,
value, index, isSelected, cellHasFocus);
if (index == -1) {
index = list.getSelectedIndex();
}
if (index != -1) {
if (tooltips != null) {
list.setToolTipText(tooltips[index]);
}
if (images != null) {
setIcon(new ImageIcon(images[index]));
}
}
return comp;
}
/**
* Show popup menu in response to a key event.
*
* @param e Event.
*/
@Override
protected void showPopup(KeyEvent e) {
// Retrieve information
if (!(e.getComponent() instanceof JList)) {
return;
}
JList tmpList = (JList) e.getComponent();
int position = tmpList.getSelectedIndex();
if (position < 0) {
return;
}
Object object = tmpList.getModel().getElementAt(position);
if (!(object instanceof Page)) {
return;
}
Page link = (Page) object;
Rectangle rect = tmpList.getCellBounds(position, position);
showPopup(tmpList, link, (int) rect.getMinX(), (int) rect.getMaxY());
}
/**
* Updates label and enables/disables ok button.
*/
private static void updateLabelEtcFromList(final JTextField field, final JList<String> list, final List<File> dirs, final JButton okButton) {
int idx = list.getSelectedIndex();
if (idx == -1) {
field.setText(" "); // NOI18N
field.getAccessibleContext().setAccessibleName(" ");
okButton.setEnabled(false);
} else {
final File dir = dirs.get(idx);
field.setText(NbBundle.getMessage(PackagePanel.class, "LBL_dirWillBe", dir.getAbsolutePath()));
field.getAccessibleContext().setAccessibleName(NbBundle.getMessage(PackagePanel.class, "LBL_dirWillBe", dir.getAbsolutePath()));
okButton.setEnabled(true);
}
}
@Override
public void valueChanged(ListSelectionEvent arg0) {
@SuppressWarnings("unchecked")
JList<Object> list = (JList<Object>) arg0.getSource();
if(!list.getValueIsAdjusting() && list.getSelectedIndex() != -1){
if(list.getModel().equals(availableRulesModel)){
updateList("available", availableRulesModel.get(list.getSelectedIndex()).toString());
}
else if (list.getModel().equals(selectedRulesModel)){
updateList("selected", selectedRulesModel.get(list.getSelectedIndex()).toString());
}
}
}
protected void importString(JComponent c, String str) {
JList target = (JList) c;
DefaultListModel listModel = (DefaultListModel) target.getModel();
int index = target.getSelectedIndex();
// Prevent the user from dropping data back on itself.
// For example, if the user is moving items #4,#5,#6 and #7 and
// attempts to insert the items after item #5, this would
// be problematic when removing the original items.
// So this is not allowed.
if (indices != null && index >= indices[0] - 1 && index <= indices[indices.length - 1]) {
indices = null;
return;
}
int max = listModel.getSize();
if (index < 0) {
index = max;
} else {
index++;
if (index > max) {
index = max;
}
}
addIndex = index;
String[] values = str.split("\n");
addCount = values.length;
for (String value : values) {
listModel.add(index++, value);
}
}
private void javaCompletionExcluderEditButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_javaCompletionExcluderEditButtonActionPerformed
JList list = getSelectedExcluderList();
int index = list.getSelectedIndex();
if (index == -1)
return;
DefaultListModel model = (DefaultListModel) list.getModel();
javaExcluderEditing = (String) model.getElementAt(index);
openExcluderEditor();
}
public void actionPerformed(ActionEvent e) {
JList list = (JList) e.getSource();
int index = list.getSelectedIndex();
if (index < 0)
return;
CheckListModel model = (CheckListModel) list.getModel();
model.setChecked(index, !model.isChecked(index));
}
public QuickSearchCallback (List<T> items, JList component, DefaultListModel model, SearchCallback<T> callback) {
this.items = new ArrayList<T>(items);
results = new ArrayList<T>(items);
this.component = component;
this.model = model;
this.callback = callback;
this.currentPosition = component.getSelectedIndex();
component.addListSelectionListener(this);
}
public void actionPerformed(ActionEvent e) {
JList list = (JList) e.getSource();
int index = list.getSelectedIndex();
if (index < 0)
return;
CheckListModel model = (CheckListModel) list.getModel();
model.setChecked(index, !model.isChecked(index));
}
private void lstLexiconValueChanged(javax.swing.event.ListSelectionEvent evt) {//GEN-FIRST:event_lstLexiconValueChanged
if (evt.getValueIsAdjusting()
|| namePopulating
|| forceUpdate) {
return;
}
if (!curPopulating
&& evt.getFirstIndex() != evt.getLastIndex()) {
JList list = (JList) evt.getSource();
int selected = list.getSelectedIndex();
int index = selected == evt.getFirstIndex()
? evt.getLastIndex() : evt.getFirstIndex();
if (index != -1
&& index < lstLexicon.getModel().getSize()) {
ConWord saveWord = lstLexicon.getModel().getElementAt(index).getConWord();
saveValuesTo(saveWord);
}
txtErrorBox.setText("");
}
populateProperties();
// if looking for illegals, always check legality value of word, otherwise let it slide for user convenience
if (chkFindBad.isSelected()) {
setWordLegality();
}
}
/**
* Remove an event assignment
*
* @param eventAssign
* Jlist of event assignments for selected event
* @param assign
* String array of event assignments for selected event
*/
private static void removeAssignment(JList eventAssign) {
int index = eventAssign.getSelectedIndex();
if (index != -1) {
eventAssign.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
Utility.remove(eventAssign);
eventAssign.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
if (index < eventAssign.getModel().getSize()) {
eventAssign.setSelectedIndex(index);
}
else {
eventAssign.setSelectedIndex(index - 1);
}
}
}
private static ListSelectionListener newDescriptionPanelUpdatingSelectionListener(
final JEditorPane descriptionPanel,
final JList<String> gamesList,
final List<DownloadFileDescription> maps,
final MapAction action,
final JLabel mapSizeLabelToUpdate) {
return e -> {
if (!e.getValueIsAdjusting()) {
final int index = gamesList.getSelectedIndex();
final boolean somethingIsSelected = index >= 0;
if (somethingIsSelected) {
final String mapName = gamesList.getModel().getElementAt(index);
// find the map description by map name and update the map download detail panel
final Optional<DownloadFileDescription> map =
maps.stream()
.filter(mapDescription -> mapDescription.getMapName().equals(mapName))
.findFirst();
if (map.isPresent()) {
final String text = map.get().toHtmlString();
descriptionPanel.setText(text);
descriptionPanel.scrollRectToVisible(new Rectangle(0, 0, 0, 0));
updateMapUrlAndSizeLabel(map.get(), action, mapSizeLabelToUpdate);
}
}
}
};
}
@Override
public void mouseDragged(MouseEvent e) {
Object src = e.getSource();
if (mouseDragging && (src instanceof JList)) {
JList<?> srcList = (JList<?>) src;
DefaultListModel<?> srcModel = (DefaultListModel<?>) srcList.getModel();
int currentIndex = srcList.locationToIndex(e.getPoint());
if (currentIndex != dragSourceIndex) {
int dragTargetIndex = srcList.getSelectedIndex();
moveElement(srcModel, dragSourceIndex, dragTargetIndex);
dragSourceIndex = currentIndex;
}
}
}
@Override
public void mouseDragged(MouseEvent e) {
removeListeners();
Object src = e.getSource();
// Check to see if we are in a state we care about
if (!mouseDragging || !(src instanceof JList)) {
return;
}
JList<?> srcList = (JList<?>) src;
WeaponListModel srcModel = (WeaponListModel) srcList.getModel();
int currentIndex = srcList.locationToIndex(e.getPoint());
if (currentIndex != dragSourceIndex) {
int dragTargetIndex = srcList.getSelectedIndex();
Mounted weap1 = srcModel.getWeaponAt(dragSourceIndex);
srcModel.swapIdx(dragSourceIndex, dragTargetIndex);
dragSourceIndex = currentIndex;
Entity ent = weap1.getEntity();
// Is the sort order custom?
int customId = Entity.WeaponSortOrder.CUSTOM.ordinal();
// Update weap sort order drop down
if (weapSortOrder.getSelectedIndex() != customId) {
// Set the order to custom
ent.setWeaponSortOrder(Entity.WeaponSortOrder.CUSTOM);
weapSortOrder.setSelectedIndex(customId);
}
// Update custom order
for (int i = 0; i < srcModel.getSize(); i++) {
Mounted m = srcModel.getWeaponAt(i);
ent.setCustomWeaponOrder(m, i);
}
if (unitDisplay.getClientGUI() != null) {
unitDisplay.getClientGUI().getMenuBar()
.updateSaveWeaponOrderMenuItem();
}
}
addListeners();
}
private boolean isItemSelected(JList<ComparisonItem> list)
{
return list.getSelectedIndex() >= 0;
}
/**
* Init top screen
*/
protected void initTopScreenUI(JComponent p) {
p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
// Label
lModeSelect = new JLabel(getUIText("Top_ModeSelect"));
lModeSelect.setAlignmentX(0f);
p.add(lModeSelect);
// Mode & rule select panel
JPanel subpanelModeSelect = new JPanel(new BorderLayout());
subpanelModeSelect.setBorder(new EtchedBorder());
subpanelModeSelect.setAlignmentX(0f);
p.add(subpanelModeSelect);
// * Mode select listbox
listboxMode = new JList(modeList);
listboxMode.addMouseListener(new ListboxModeMouseAdapter());
listboxMode.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
String strMode = (String)listboxMode.getSelectedValue();
lModeSelect.setText(getModeDesc(strMode));
prepareRuleList(strMode);
}
});
JScrollPane scpaneListboxMode = new JScrollPane(listboxMode);
scpaneListboxMode.setPreferredSize(new Dimension(280, 375));
subpanelModeSelect.add(scpaneListboxMode, BorderLayout.WEST);
// * Rule select listbox
listmodelRule = new DefaultListModel();
listboxRule = new JList(listmodelRule);
listboxRule.addMouseListener(new ListboxModeMouseAdapter());
JScrollPane scpaneListBoxRule = new JScrollPane(listboxRule);
scpaneListBoxRule.setPreferredSize(new Dimension(150, 375));
subpanelModeSelect.add(scpaneListBoxRule, BorderLayout.CENTER);
// * Set default selected index
listboxMode.setSelectedValue(propGlobal.getProperty("name.mode", ""), true);
if(listboxMode.getSelectedIndex() == -1) listboxMode.setSelectedIndex(0);
prepareRuleList((String)listboxMode.getSelectedValue());
// Start button
JButton buttonStartOffline = new JButton(getUIText("Top_StartOffline"));
buttonStartOffline.setMnemonic('S');
buttonStartOffline.addActionListener(this);
buttonStartOffline.setActionCommand("Top_StartOffline");
buttonStartOffline.setAlignmentX(0f);
buttonStartOffline.setMaximumSize(new Dimension(Short.MAX_VALUE, buttonStartOffline.getMaximumSize().height));
p.add(buttonStartOffline);
this.getRootPane().setDefaultButton(buttonStartOffline);
// Menu
initMenu();
}