Java DefaultComboBoxModel.getElementAt方法代码示例

import javax.swing.DefaultComboBoxModel; //导入方法依赖的package包/类
private void addToModel (final Revision newItem, final JComboBox cmbDiffTree) {
    DefaultComboBoxModel model = (DefaultComboBoxModel) cmbDiffTree.getModel();
    for (int i = 0; i < model.getSize(); ++i) {
        final Object item = model.getElementAt(i);
        if (item instanceof Revision && ((Revision) item).getCommitId().equals(newItem.getCommitId())
                && ((Revision) item).getRevision().equals(newItem.getRevision())) {
            EventQueue.invokeLater(new Runnable() {
                @Override
                public void run () {
                    cmbDiffTree.setSelectedItem(item);
                }
            });
            return;
        }
    }
    model.addElement(newItem);
    EventQueue.invokeLater(new Runnable() {
        @Override
        public void run () {
            cmbDiffTree.setSelectedItem(newItem);
        }
    });
}
 

import javax.swing.DefaultComboBoxModel; //导入方法依赖的package包/类
RepositoryConnection getSelectedRCIntern() {
    String urlString;
    try {
        urlString = getUrlString();            
    }
    catch (InterruptedException ex) {
        // should not happen
        Subversion.LOG.log(Level.SEVERE, null, ex);
        return null;
    }
    
    DefaultComboBoxModel dcbm = (DefaultComboBoxModel) repositoryPanel.urlComboBox.getModel();                
    int idx = dcbm.getIndexOf(urlString);        
    
    if(idx > -1) {
        return (RepositoryConnection) dcbm.getElementAt(idx);
    }        
    return getEditedRC();        
}
 

import javax.swing.DefaultComboBoxModel; //导入方法依赖的package包/类
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);
            }
        }
    }
}
 

import javax.swing.DefaultComboBoxModel; //导入方法依赖的package包/类
private boolean selectComboBoxItem(String name, boolean setText) {
    boolean found = false;
    DefaultComboBoxModel model = (DefaultComboBoxModel) comGlobal.getModel();
    for (int i = 0; i < model.getSize(); i++) {
        GlobalItem gi = (GlobalItem) model.getElementAt(i);
        if (gi.getName().equals(name)) {
            comGlobal.setSelectedItem(gi);
            found = true;
            if (setText) {
                setTextToGlobalLicense();
            }
            break;
        }
    }
    if (!found) {
        GlobalItem itm = new GlobalItem(name, null);
        model.insertElementAt(itm, 0);
        comGlobal.setSelectedItem(itm);
        if (setText) {
            setTextToGlobalLicense();
        }
    }
    return found;
}
 

import javax.swing.DefaultComboBoxModel; //导入方法依赖的package包/类
private void initCombo(JComboBox providerCombo) {
    
    DefaultComboBoxModel providers = new DefaultComboBoxModel();
    
    for(Provider each : providerSupplier.getSupportedProviders()){
       providers.addElement(each);
    }

    if (providers.getSize() == 0 && providerSupplier.supportsDefaultProvider()){
        providers.addElement(ProviderUtil.DEFAULT_PROVIDER);
    } 

    if (providers.getSize() == 0){
        providers.addElement(EMPTY);
    }
    
    providerCombo.setModel(providers);
    providerCombo.addItem(SEPARATOR);
    providerCombo.addItem(new NewPersistenceLibraryItem());
    providerCombo.addItem(new ManageLibrariesItem());
    providerCombo.setRenderer(new PersistenceProviderCellRenderer(getDefaultProvider(providers)));
    //select either default or first or preferred provider depending on project details
    int selectIndex = 0;
    if(providers.getSize()>1 && providers.getElementAt(0) instanceof Provider){
        String defProviderVersion = ProviderUtil.getVersion((Provider) providers.getElementAt(0));
        boolean specialCase = (Util.isJPAVersionSupported(project, Persistence.VERSION_2_0) || Util.isJPAVersionSupported(project, Persistence.VERSION_2_1)) && (defProviderVersion == null || defProviderVersion.equals(Persistence.VERSION_1_0));//jpa 2.0 is supported by default (or first) is jpa1.0 or udefined version provider
        if(specialCase){
            for (int i = 1; i<providers.getSize() ; i++){
                if(preferredProvider.equals(providers.getElementAt(i))){
                    selectIndex = i;
                    break;
                }
            }
        }
    }
    providerCombo.setSelectedIndex(selectIndex);
}
 

import javax.swing.DefaultComboBoxModel; //导入方法依赖的package包/类
/**
 * 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);
    }
}