Example usage for javax.swing DefaultListModel ensureCapacity

Introduction

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

Prototype

public void ensureCapacity(int minCapacity) 

Source Link

Document

Increases the capacity of this list, if necessary, to ensure that it can hold at least the number of components specified by the minimum capacity argument.

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);
    for (int i = 0; i < 100; i++) {
        for (int j = 0; j < 5; j++) {
            model.addElement(labels[j]);
        }//  w  w w . j a  v a2s. c  om
    }
    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: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);
    for (int i = 0; i < 100; i++) {
        for (int j = 0; j < 5; j++) {
            model.addElement(labels[j]);
        }/*from   w  w w .java2  s  .  c  o  m*/
    }
    Object[] objs = new Object[10];

    model.copyInto(objs);

    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:SizingSamples.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" };

    JFrame frame = new JFrame("Sizing Samples");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JList jlist1 = new JList(labels);
    jlist1.setVisibleRowCount(4);//from   w  ww.  ja  va2s . c  o m
    DefaultListModel model = new DefaultListModel();
    model.ensureCapacity(100);
    for (int i = 0; i < 100; i++) {
        model.addElement(Integer.toString(i));
    }
    JScrollPane scrollPane1 = new JScrollPane(jlist1);
    frame.add(scrollPane1, BorderLayout.NORTH);

    JList jlist2 = new JList(model);
    jlist2.setVisibleRowCount(4);
    jlist2.setFixedCellHeight(12);
    jlist2.setFixedCellWidth(200);

    JScrollPane scrollPane2 = new JScrollPane(jlist2);
    frame.add(scrollPane2, BorderLayout.CENTER);

    JList jlist3 = new JList(labels);
    jlist3.setVisibleRowCount(4);
    frame.add(jlist3, BorderLayout.SOUTH);

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

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From source file:SizingSamples.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Sizing Samples");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    DefaultListModel model = new DefaultListModel();
    model.ensureCapacity(100);
    for (int i = 0; i < 100; i++) {
        model.addElement(Integer.toString(i));
    }//from w  w  w.  j  ava2  s  . com
    JList jlist2 = new JList(model);
    ListCellRenderer renderer = new FocusedTitleListCellRenderer();
    jlist2.setCellRenderer(renderer);

    JScrollPane scrollPane2 = new JScrollPane(jlist2);
    frame.add(scrollPane2, BorderLayout.CENTER);

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

    jlist2.ensureIndexIsVisible(50);
}

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From source file:SizingSamples.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" };

    JFrame frame = new JFrame("Sizing Samples");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    JList jlist1 = new JList(labels);
    jlist1.setVisibleRowCount(4);/*from   w w  w  .j a va  2  s  . c o m*/
    DefaultListModel model = new DefaultListModel();
    model.ensureCapacity(1000);
    for (int i = 0; i < 100; i++) {
        for (int j = 0; j < 10; j++) {
            model.addElement(labels[j]);
        }
    }
    JScrollPane scrollPane1 = new JScrollPane(jlist1);
    contentPane.add(scrollPane1, BorderLayout.NORTH);

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

    JList jlist3 = new JList(labels);
    jlist3.setVisibleRowCount(4);
    contentPane.add(jlist3, BorderLayout.SOUTH);

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

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From source file:org.shaman.rpg.editor.dialog.DialogVisualElement.java

private void setupVisuals() {
    isInsideSetupVisuals = true;/* w w w .j a va2  s  .  co  m*/
    LOG.info("setup visuals");
    contentPanel.removeAll();
    commandPanels.clear();
    //load dialog
    dialog = obj.load();
    if (dialog == null) {
        contentPanel.add(new JLabel("unable to load the dialog"));
        isInsideSetupVisuals = false;
        return;
    }
    EditableProperties editableProperties = null;
    try {
        editableProperties = obj.getResourceBundle();
    } catch (IOException ex) {
        LOG.log(Level.WARNING, "unable to load properties file", ex);
    }
    //set header
    nameTextField.getDocument().removeUndoableEditListener(undoRedo);
    nameTextField.setText(dialog.getName());
    nameTextField.getDocument().addUndoableEditListener(undoRedo);
    String[] persons = dialog.getPersonList();
    @SuppressWarnings("unchecked")
    DefaultListModel<String> listModel = (DefaultListModel<String>) personsList.getModel();
    listModel.clear();
    listModel.ensureCapacity(persons.length);
    for (String p : persons) {
        listModel.addElement(p);
    }
    personsList.clearSelection();

    //set commands
    for (Command c : dialog.getCommands()) {
        CommandPanel p = null;
        if (c instanceof TextType) {
            p = new TextTypePanel();
        } else if (c instanceof StopType) {
            p = new StopTypePanel();
        } else if (c instanceof SetvarType) {
            p = new SetVarTypePanel();
        } else if (c instanceof AddvarType) {
            p = new AddVarTypePanel();
        } else if (c instanceof IfType) {
            p = new IfTypePanel();
        } else if (c instanceof LabelType) {
            p = new LabelTypePanel();
        } else if (c instanceof GotoType) {
            p = new GotoTypePanel();
        } else if (c instanceof QuestionType) {
            p = new QuestionTypePanel();
        } else {
            LOG.info("unknown command: " + c);
            continue;
        }
        p.setVisualElement(this);
        p.setDialog(dialog);
        p.setCommand(c);
        if (editableProperties != null) {
            p.updateResourceBundle(editableProperties, false);
        }
        p.setUndoRedo(undoRedo);
        contentPanel.add(p);
        commandPanels.add(p);
    }
    repaint();
    recursiveValidate(contentPanel);
    repaint();
    recursiveValidate(contentPanel);
    EventQueue.invokeLater(new Runnable() {

        @Override
        public void run() {
            recursiveValidate(contentPanel);
            contentPanel.repaint();
        }
    });
    isInsideSetupVisuals = false;
}

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From source file:org.shaman.rpg.editor.dialog.DialogVisualElement.java

private void updatePersons() {
    if (isInsideSetupVisuals) {
        return;/*from  ww  w  .  ja va  2 s.  c  o  m*/
    }
    //Extract persons
    @SuppressWarnings("unchecked")
    final DefaultListModel<String> listModel = (DefaultListModel<String>) personsList.getModel();
    final String[] newPersons = new String[listModel.size()];
    listModel.copyInto(newPersons);
    LOG.info("settings persons to " + Arrays.toString(newPersons));
    final String[] oldPersons = dialog.getPersonList();

    //send to dialog
    dialog.setPersonList(newPersons);
    updateDialogPersons();

    // undo/redo
    undoRedo.undoableEditHappened(new UndoableEditEvent(dialog, new AbstractUndoableEdit() {

        @Override
        public void undo() throws CannotUndoException {
            super.undo();
            isInsideSetupVisuals = true;
            listModel.clear();
            listModel.ensureCapacity(oldPersons.length);
            for (String s : oldPersons) {
                listModel.addElement(s);
            }
            LOG.info("settings persons to " + Arrays.toString(oldPersons));
            dialog.setPersonList(oldPersons);
            updateDialogPersons();
            isInsideSetupVisuals = false;
        }

        @Override
        public void redo() throws CannotRedoException {
            super.redo();
            isInsideSetupVisuals = true;
            listModel.clear();
            listModel.ensureCapacity(newPersons.length);
            for (String s : newPersons) {
                listModel.addElement(s);
            }
            LOG.info("settings persons to " + Arrays.toString(newPersons));
            dialog.setPersonList(newPersons);
            updateDialogPersons();
            isInsideSetupVisuals = false;
        }

    }));
}

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