Example usage for javax.swing DefaultListModel elementAt

Introduction

In this page you can find the example usage for javax.swing DefaultListModel elementAt.

Prototype

public E elementAt(int index) 

Source Link

Document

Returns the component at the specified index.

Usage

From source file:Main.java

public static void main(final String args[]) {
    String labels[] = { "A", "B", "C", "D", "E" };
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    DefaultListModel model = new DefaultListModel();
    model.ensureCapacity(1000);/*w ww .j av  a  2  s .  co m*/
    for (int i = 0; i < 100; i++) {
        for (int j = 0; j < 5; j++) {
            model.addElement(labels[j]);
        }
    }
    Object[] objs = new Object[10];

    System.out.println(model.elementAt(1));

    JList jlist2 = new JList(model);
    jlist2.setVisibleRowCount(4);
    jlist2.setFixedCellHeight(12);
    jlist2.setFixedCellWidth(200);
    JScrollPane scrollPane2 = new JScrollPane(jlist2);
    frame.add(scrollPane2, BorderLayout.CENTER);

    frame.setSize(300, 350);
    frame.setVisible(true);
}

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From source file:com.palantir.ptoss.cinch.swing.JListWiringHarness.java

private static void updateListModel(JList list, List<?> newContents) {
    if (newContents == null) {
        newContents = ImmutableList.of();
    }//from   w  w  w.j  ava2 s  .  co m
    ListModel oldModel = list.getModel();
    List<Object> old = Lists.newArrayListWithExpectedSize(oldModel.getSize());
    for (int i = 0; i < oldModel.getSize(); i++) {
        old.add(oldModel.getElementAt(i));
    }
    if (old.equals(newContents)) {
        return;
    }
    Object[] selected = list.getSelectedValues();
    DefaultListModel listModel = new DefaultListModel();
    for (Object obj : newContents) {
        listModel.addElement(obj);
    }
    list.setModel(listModel);
    List<Integer> newIndices = Lists.newArrayListWithCapacity(selected.length);
    Set<Object> selectedSet = Sets.newHashSet(selected);
    for (int i = 0; i < listModel.size(); i++) {
        if (selectedSet.contains(listModel.elementAt(i))) {
            newIndices.add(i);
        }
    }
    list.setSelectedIndices(ArrayUtils.toPrimitive(newIndices.toArray(new Integer[0])));
}

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From source file:com.iisigroup.ris.WebFileScanUtilBrowserUI.java

private void initGUI() {
    final SwingActionUtil swingUtil = (SwingActionUtil) SwingActionUtil.newInstance(this);
    try {// w  w w  . jav  a2  s.  co  m
        BorderLayout thisLayout = new BorderLayout();
        getContentPane().setLayout(thisLayout);
        this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        this.setTitle("browser source code");
        {
            informationMenu = new JPopupMenu();
            setComponentPopupMenu(this, informationMenu);
        }
        {
            ListModel openFileListModel = new DefaultListModel();
            openFileList = new JList();
            openFileList.setModel(openFileListModel);
            getContentPane().add(openFileList, BorderLayout.NORTH);
            openFileList.setPreferredSize(new java.awt.Dimension(663, 281));
            openFileList.addListSelectionListener(new ListSelectionListener() {
                public void valueChanged(ListSelectionEvent evt) {
                    swingUtil.invokeAction("openFileList.valueChanged", evt);
                }
            });
            openFileList.addMouseMotionListener(new MouseMotionAdapter() {
                public void mouseMoved(MouseEvent evt) {
                    swingUtil.invokeAction("openFileList.mouseMoved", evt);
                }
            });
            openFileList.addKeyListener(new KeyAdapter() {
                public void keyPressed(KeyEvent evt) {
                    swingUtil.invokeAction("openFileList.keyPressed", evt);
                }
            });
        }
        {
            jPanel1 = new JPanel();
            GroupLayout jPanel1Layout = new GroupLayout((JComponent) jPanel1);
            jPanel1.setLayout(jPanel1Layout);
            getContentPane().add(jPanel1, BorderLayout.SOUTH);
            jPanel1.setPreferredSize(new java.awt.Dimension(478, 35));
            {
                openSelected = new JButton();
                openSelected.setText("open all");
                openSelected.addActionListener(new ActionListener() {
                    public void actionPerformed(ActionEvent evt) {
                        swingUtil.invokeAction("openSelected.actionPerformed", evt);
                    }
                });
            }
            jPanel1Layout.setHorizontalGroup(jPanel1Layout.createSequentialGroup().addContainerGap(178, 178)
                    .addComponent(openSelected, GroupLayout.PREFERRED_SIZE, 126, GroupLayout.PREFERRED_SIZE)
                    .addContainerGap(174, Short.MAX_VALUE));
            jPanel1Layout.setVerticalGroup(jPanel1Layout.createSequentialGroup().addGap(7)
                    .addComponent(openSelected, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                    .addGap(0, 6, Short.MAX_VALUE));
        }
        {
            informationMenu = new JPopupMenu();
        }

        this.setSize(486, 350);
        this.setLocationRelativeTo(null);

        //xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
        // ?tooltip
        //xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
        int initialDelay = ToolTipManager.sharedInstance().getInitialDelay();
        ToolTipManager.sharedInstance().setInitialDelay(0);
        //xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
        // ?tooltip
        //xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

        swingUtil.addAction("openFileList.mouseClicked", new Action() {
            public void action(EventObject evt) throws Exception {
                DefaultListModel model = (DefaultListModel) openFileList.getModel();
                int pos = openFileList.getLeadSelectionIndex();
                if (pos == -1) {
                    return;
                }
                setOpenFileListToolTip();
                MouseEvent eeev = (MouseEvent) evt;
                if (eeev.getClickCount() != 2) {
                    return;
                }
                MFile file = (MFile) model.elementAt(pos);
                openSource(file.file);
            }
        });
        final JListUtil jlistUtil = JListUtil.newInstance(openFileList);
        swingUtil.addAction("openFileList.keyPressed", new Action() {
            public void action(EventObject evt) throws Exception {
                jlistUtil.defaultJListKeyPressed((KeyEvent) evt);
                setOpenFileListToolTip();
            }
        });
        swingUtil.addAction("openSelected.actionPerformed", new Action() {
            public void action(EventObject evt) throws Exception {
                DefaultListModel model = (DefaultListModel) openFileList.getModel();
                for (Enumeration<?> enu = model.elements(); enu.hasMoreElements();) {
                    MFile file = (MFile) enu.nextElement();
                    openSource(file.file);
                }
            }
        });
        swingUtil.addAction("openFileList.mouseMoved", new Action() {
            public void action(EventObject evt) throws Exception {
                setOpenFileListToolTip();
            }
        });
        swingUtil.addAction("openFileList.valueChanged", new Action() {
            public void action(EventObject evt) throws Exception {
                System.out.println(evt);
                setOpenFileListToolTip();
            }
        });
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:org.executequery.gui.editor.ManageShortcutsPanel.java

private EditorSQLShortcut getShortcutAt(int index) {

    DefaultListModel model = modelFromList();

    if (index >= model.size()) {

        return null;
    }/*from w w w.  j av a 2 s .  c om*/

    return (EditorSQLShortcut) model.elementAt(index);
}

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