下面列出了javax.swing.DefaultComboBoxModel#setSelectedItem ( ) 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 btnProjectActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnProjectActionPerformed
JFileChooser chooser = ProjectChooser.projectChooser();
int res = chooser.showOpenDialog(SwingUtilities.getWindowAncestor(this));
if (res == JFileChooser.APPROVE_OPTION) {
File fil = chooser.getSelectedFile();
FileObject fo = FileUtil.toFileObject(fil);
if (fo != null) {
try {
Project p = ProjectManager.getDefault().findProject(fo);
DefaultComboBoxModel model = (DefaultComboBoxModel)comProject.getModel();
model.addElement(p);
model.setSelectedItem(p);
if (EMPTY == model.getElementAt(0)) {
model.removeElement(EMPTY);
}
} catch (IOException exc) {
ErrorManager.getDefault().notify(exc);
}
}
}
}
private JComboBox<String> createComboBox(final List<FormItem> items, FormItem item) {
DefaultComboBoxModel<String> model = new DefaultComboBoxModel<>();
JComboBox<String> box = new JComboBox<>(model);
item.setField(box);
for (String possibleValue : item.getPossibleValues()) {
model.addElement(possibleValue);
}
String defaultValue = item.getDefaultValue();
if (defaultValue == null) {
model.setSelectedItem(model.getElementAt(0));
} else {
model.setSelectedItem(defaultValue);
}
box.addActionListener(e -> updateFormItemsFromGui(items));
return box;
}
/**
* Creates a new color combobox and populates it with the excel colors.
*/
public ColorComboBox() {
final DefaultComboBoxModel model = new DefaultComboBoxModel( ColorUtility.getPredefinedExcelColors() );
model.insertElementAt( null, 0 );
model.setSelectedItem( null );
setModel( model );
setRenderer( new ColorCellRenderer() );
final int height1 = getPreferredSize().height;
setMaximumSize( new Dimension( height1 * 4, height1 ) );
setFocusable( false );
final boolean isGTK = isGTKLookAndFeel();
setEditable( isGTK );
// if it's GTK LnF, we have to customize the combo box since GTK Lnf ignores the <i>setBackground</i>
if ( isGTK ) {
setEditor( new CustomGTKComboBoxEditor() );
}
}
private void updateStatisticsComboBox() {
String newName = Statistic.GRANULARITY_MAXIMUM.getName(gui.getGranularity());
@SuppressWarnings("unchecked")
DefaultComboBoxModel<Object> model = (DefaultComboBoxModel<Object>) ((JComboBox<Object>) statsPanel
.getComponent(1)).getModel();
boolean reselect = false;
if (model.getSelectedItem() == model.getElementAt(4)) {
reselect = true;
}
model.removeElementAt(4);
model.insertElementAt(newName, 4);
if (reselect) {
model.setSelectedItem(newName);
}
}
@Override
public void load() {
// Fill combo box
DefaultComboBoxModel cmbModel = new DefaultComboBoxModel();
cmbModel.addElement(new ComboBoxItem(null));
for (PluginInfo pluginInfo: Plugins.list()){
ComboBoxItem element = new ComboBoxItem(pluginInfo);
cmbModel.addElement(element);
if(connection != null && connection.getPluginInfo().getName().compareTo(pluginInfo.getName()) == 0){
cmbModel.setSelectedItem(element);
}
}
cmbPlugins.setModel(cmbModel);
}
@SuppressWarnings("unchecked")
private void textActionPerformed() {
final String text = textField.getText().trim();
final DefaultComboBoxModel<String> model = (DefaultComboBoxModel) textLines.getModel();
model.addElement(text);
model.setSelectedItem(text);
repaint();
}
/**
* Creates new form ClassNamePanel
*/
public ClassNamePanel(Project project, FileObject anchor, String initialName) {
this.project = project;
this.anchor = anchor;
initComponents();
Project openProjects[] = OpenProjects.getDefault().getOpenProjects();
Arrays.sort( openProjects, new ProjectByDisplayNameComparator());
DefaultComboBoxModel projectsModel = new DefaultComboBoxModel( openProjects );
projectSelector.setModel( projectsModel );
if (project != null) {
projectSelector.setSelectedItem( project );
projectSelector.setEnabled(false);
projectLabel.setEnabled(false);
} else if (projectsModel.getSize() > 0) {
this.project = (Project)projectsModel.getElementAt(0);
projectsModel.setSelectedItem(this.project);
}
projectSelector.setRenderer(new ProjectCellRenderer());
locationSelect.setRenderer(new GroupCellRenderer());
packageSelect.setRenderer(PackageView.listRenderer());
updateRoots();
updatePackages();
selectInitialPackage();
ActionListener al = this::actionPerformed;
locationSelect.addActionListener(al);
packageSelect.addActionListener(al);
packageSelect.getEditor().addActionListener(al);
projectSelector.addActionListener(al);
className.getDocument().addDocumentListener(this);
if (initialName != null) {
className.setText(initialName);
}
}
private void initData() {
DefaultComboBoxModel<String> model = new DefaultComboBoxModel<>();
for (String version: DataProviderImpl.getInstance().getAvailableVersions()) {
model.addElement(version);
}
model.setSelectedItem(OJETPreferences.get(project, OJETPreferences.VERSION));
cbVersion.setModel(model);
category.setStoreListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
save();
}
} );
}
private void initData() {
DefaultComboBoxModel model = new DefaultComboBoxModel();
for (JsVersion version: JsPreferences.getECMAScriptAvailableVersions()) {
model.addElement(new DisplayVersion(version));
}
model.setSelectedItem(new DisplayVersion(JsPreferences.getECMAScriptVersion(project)));
cbVersion.setModel(model);
allowJsonComments.setSelected(JsonPreferences.forProject(project).isCommentSupported());
category.setStoreListener((e) -> save());
}
/**
* Update the player selection combobox
*/
private void updatePlayerCombobox() {
// create a new model, because a swing bug there are sometimes problems updating an existing model
DefaultComboBoxModel<Integer> model = new DefaultComboBoxModel<>();
model.setSelectedItem(playerCombobox.getSelectedItem());
for (int i = 0; i < mapData.getPlayerCount(); i++) {
model.addElement(i);
}
playerCombobox.setModel(model);
}
public void actionPerformed( final ActionEvent e ) {
final NamedDataSourceDialogModel dialogModel = getDialogModel();
final DefaultComboBoxModel queries = dialogModel.getQueries();
queries.removeElement( queries.getSelectedItem() );
if ( queryNameList.getLastVisibleIndex() != -1 ) {
queryNameList.setSelectedValue( dialogModel.getQueries().getQuery( queryNameList.getLastVisibleIndex() ), true );
queryNameList.setSelectedIndex( queryNameList.getLastVisibleIndex() );
queries.setSelectedItem( dialogModel.getQueries().getQuery( queryNameList.getLastVisibleIndex( ) ) );
queryTextArea.setEnabled( true );
} else {
queries.setSelectedItem( null );
queryNameList.clearSelection();
queryTextArea.setEnabled( false );
}
}
private ComboBoxModel createLocationModel( final FileObject selectedFolder ) {
if ( fileSystemRoot == null ) {
return new DefaultComboBoxModel();
}
try {
final ArrayList<FileObject> list = new ArrayList<FileObject>();
FileObject folder = selectedFolder;
while ( folder != null ) {
if ( fileSystemRoot.equals( folder ) ) {
break;
}
if ( folder.getType() != FileType.FILE ) {
list.add( folder );
}
final FileObject parent = folder.getParent();
if ( folder.equals( parent ) ) {
// protect yourself against infinite loops ..
break;
}
folder = parent;
}
list.add( fileSystemRoot );
final DefaultComboBoxModel model = new DefaultComboBoxModel( list.toArray() );
model.setSelectedItem( list.get( 0 ) );
return model;
} catch ( FileSystemException e ) {
return new DefaultComboBoxModel();
}
}
/**
* Load all targeted factory configuration instances and update user interface
* to show them.
*
* @param selectedPid
* If this PID is available then select it, otherwise select the last
* PID. If {@link #nextFactoryPidToSelect} is non-null then select
* that configuration instance and set the field to {@code null}.
*/
private void updateSelectionFactoryPID(String selectedPid)
{
synchronized (pid2Cfg) {
pid2Cfg.clear();
if (selectedPid == null) {
selectedPid = "";
}
for (int i = 0; i < MAX_SIZE; i++) {
try {
final Configuration[] configs =
CMDisplayer.getCA().listConfigurations("(service.factoryPid="
+ targetedPids[i] + ")");
if (configs != null) {
for (final Configuration cfg : configs) {
pid2Cfg.put(cfg.getPid(), cfg);
}
}
} catch (final Exception e) {
Activator.log
.error("Faile to load factory configuration instances for fpid '"
+ targetedPids[i] + "': " + e.getMessage(), e);
}
}
final SortedSet<String> instancePIDs =
new TreeSet<String>(pid2Cfg.keySet());
instancePIDs.add(FACTORY_PID_DEFAULTS);
final DefaultComboBoxModel model =
new DefaultComboBoxModel(instancePIDs.toArray());
if (nextFactoryPidToSelect != null) {
if (instancePIDs.contains(nextFactoryPidToSelect)) {
selectedPid = nextFactoryPidToSelect;
}
nextFactoryPidToSelect = null;
} else if (!instancePIDs.contains(selectedPid)) {
// New selection needed, use last PID.
selectedPid = (String) model.getElementAt(model.getSize() - 1);
}
model.setSelectedItem(selectedPid);
fbox.setModel(model);
final Configuration selectedCfg = pid2Cfg.get(selectedPid);
// Update the targeted PID selectors to match the target selectors in the
// factory PID of the selected instance.
final String fpid =
selectedCfg != null ? selectedCfg.getFactoryPid() : targetedPids[0];
String tpid = null;
for (int i = 0; i < MAX_SIZE && null != (tpid = targetedPids[i]); i++) {
rbs[i].setToolTipText(TARGET_LEVEL_FACOTRY_PID_TOOLTIPS[i] + tpid
+ "</code></p></html>");
if (fpid.equals(targetedPids[i])) {
rbs[i].setSelected(true);
selectedTargetLevel = i;
if (selectedCfg != null) {
icons[i].setIcon(openDocumentIcon);
icons[i].setToolTipText("exists");
} else {
icons[i].setIcon(newDocumentIcon);
icons[i].setToolTipText("to be created");
}
} else {
icons[i].setIcon(newDocumentIcon);
icons[i].setToolTipText("to be created");
}
}
}
}
private void updateTypeCombo() {
lstTechLevel.removeListSelectionListener(this);
int[] selectedIndices = lstTechLevel.getSelectedIndices();
int gameTL;
if (client != null) {
gameTL = TechConstants.getSimpleLevel(client.getGame().getOptions()
.stringOption("techlevel"));
} else {
gameTL = TechConstants.T_SIMPLE_UNOFFICIAL;
}
int maxTech;
switch (gameTL) {
case TechConstants.T_SIMPLE_INTRO:
maxTech = TechConstants.T_INTRO_BOXSET;
break;
case TechConstants.T_SIMPLE_STANDARD:
maxTech = TechConstants.T_TW_ALL;
break;
case TechConstants.T_SIMPLE_ADVANCED:
maxTech = TechConstants.T_CLAN_ADVANCED;
break;
case TechConstants.T_SIMPLE_EXPERIMENTAL:
maxTech = TechConstants.T_CLAN_EXPERIMENTAL;
break;
case TechConstants.T_SIMPLE_UNOFFICIAL:
maxTech = TechConstants.T_CLAN_UNOFFICIAL;
break;
default:
maxTech = TechConstants.T_CLAN_UNOFFICIAL;
}
tlLstToIdx.clear();
DefaultComboBoxModel<String> techModel = new DefaultComboBoxModel<>();
int selectionIdx = 0;
for (int tl = 0; tl <= maxTech; tl++) {
if ((tl != TechConstants.T_IS_TW_ALL)
&& (tl != TechConstants.T_TW_ALL)) {
tlLstToIdx.put(selectionIdx, tl);
techModel.addElement(TechConstants.getLevelDisplayableName(tl));
selectionIdx++;
}
}
techModel.setSelectedItem(TechConstants.getLevelDisplayableName(0));
lstTechLevel.setModel(techModel);
lstTechLevel.setSelectedIndices(selectedIndices);
lstTechLevel.addListSelectionListener(this);
}
public void actionPerformed( final ActionEvent e ) {
final DefaultComboBoxModel comboBoxModel = queries.getQueries();
comboBoxModel.removeElement( comboBoxModel.getSelectedItem() );
comboBoxModel.setSelectedItem( null );
}