Example usage for javax.swing JComboBox addItemListener

List of usage examples for javax.swing JComboBox addItemListener

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Introduction

In this page you can find the example usage for javax.swing JComboBox addItemListener.

Prototype

public void addItemListener(ItemListener aListener)

Source Link

Document

Adds an ItemListener.

Usage

From source file:Main.java

public Main() {
    JComboBox jc = new JComboBox();
    jc.addItem("France");
    jc.addItem("Germany");
    jc.addItem("Italy");
    jc.addItem("Japan");
    jc.addItemListener(this);
    add(jc);/*from w ww .  j  av  a 2 s.co  m*/

    jc.firePopupMenuWillBecomeVisible();
}

From source file:Main.java

public Main() {
    JComboBox jc = new JComboBox();
    jc.addItem("France");
    jc.addItem("Germany");
    jc.addItem("Italy");
    jc.addItem("Japan");
    jc.addItemListener(this);
    add(jc);/* w  w  w .j  a  v a 2s.  c om*/

    jc.firePopupMenuWillBecomeInvisible();
}

From source file:layout.CardLayoutDemo.java

public void addComponentToPane(Container pane) {
    //Put the JComboBox in a JPanel to get a nicer look.
    JPanel comboBoxPane = new JPanel(); //use FlowLayout
    String comboBoxItems[] = { BUTTONPANEL, TEXTPANEL };
    JComboBox cb = new JComboBox(comboBoxItems);
    cb.setEditable(false);// w ww  .j  a v  a 2 s . co m
    cb.addItemListener(this);
    comboBoxPane.add(cb);

    //Create the "cards".
    JPanel card1 = new JPanel();
    card1.add(new JButton("Button 1"));
    card1.add(new JButton("Button 2"));
    card1.add(new JButton("Button 3"));

    JPanel card2 = new JPanel();
    card2.add(new JTextField("TextField", 20));

    //Create the panel that contains the "cards".
    cards = new JPanel(new CardLayout());
    cards.add(card1, BUTTONPANEL);
    cards.add(card2, TEXTPANEL);

    pane.add(comboBoxPane, BorderLayout.PAGE_START);
    pane.add(cards, BorderLayout.CENTER);
}

From source file:com.google.code.facebook.graph.sna.applet.VertexLabelAsShapeDemo.java

/**
 * create an instance of a simple graph with basic controls
 *//* ww  w  .j av a 2 s .  co m*/
public VertexLabelAsShapeDemo() {

    // create a simple graph for the demo
    graph = TestGraphs.getOneComponentGraph();

    layout = new FRLayout<String, Number>(graph);

    Dimension preferredSize = new Dimension(400, 400);
    final VisualizationModel<String, Number> visualizationModel = new DefaultVisualizationModel<String, Number>(
            layout, preferredSize);
    vv = new VisualizationViewer<String, Number>(visualizationModel, preferredSize);

    // this class will provide both label drawing and vertex shapes
    VertexLabelAsShapeRenderer<String, Number> vlasr = new VertexLabelAsShapeRenderer<String, Number>(
            vv.getRenderContext());

    // customize the render context
    vv.getRenderContext().setVertexLabelTransformer(
            // this chains together Transformers so that the html tags
            // are prepended to the toString method output
            new ChainedTransformer<String, String>(
                    new Transformer[] { new ToStringLabeller<String>(), new Transformer<String, String>() {
                        public String transform(String input) {
                            return "<html><center>Vertex<p>" + input;
                        }
                    } }));
    vv.getRenderContext().setVertexShapeTransformer(vlasr);
    vv.getRenderContext().setVertexLabelRenderer(new DefaultVertexLabelRenderer(Color.red));
    vv.getRenderContext().setEdgeDrawPaintTransformer(new ConstantTransformer(Color.yellow));
    vv.getRenderContext().setEdgeStrokeTransformer(new ConstantTransformer(new BasicStroke(2.5f)));

    // customize the renderer
    vv.getRenderer()
            .setVertexRenderer(new GradientVertexRenderer<String, Number>(Color.gray, Color.white, true));
    vv.getRenderer().setVertexLabelRenderer(vlasr);

    vv.setBackground(Color.black);

    // add a listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller<String>());

    final DefaultModalGraphMouse<String, Number> graphMouse = new DefaultModalGraphMouse<String, Number>();

    vv.setGraphMouse(graphMouse);
    vv.addKeyListener(graphMouse.getModeKeyListener());

    Container content = getContentPane();
    GraphZoomScrollPane gzsp = new GraphZoomScrollPane(vv);
    content.add(gzsp);

    JComboBox modeBox = graphMouse.getModeComboBox();
    modeBox.addItemListener(graphMouse.getModeListener());
    graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JPanel controls = new JPanel();
    JPanel zoomControls = new JPanel(new GridLayout(2, 1));
    zoomControls.setBorder(BorderFactory.createTitledBorder("Zoom"));
    zoomControls.add(plus);
    zoomControls.add(minus);
    controls.add(zoomControls);
    controls.add(modeBox);
    content.add(controls, BorderLayout.SOUTH);
}

From source file:bigdata.explorer.nutch.grapview.tests.WebGraphTreeLayout.java

public WebGraphTreeLayout() throws IOException {

    // create a simple graph for the demo
    graph = new DelegateForest<String, Number>();

    createTree();//from w  w w .j a  v  a  2s .  co  m

    treeLayout = new TreeLayout<String, Number>(graph);
    radialLayout = new RadialTreeLayout<String, Number>(graph);
    radialLayout.setSize(new Dimension(600, 600));
    vv = new VisualizationViewer<String, Number>(treeLayout, new Dimension(600, 600));
    vv.setBackground(Color.white);
    vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());
    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    // add a listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller());
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    rings = new Rings();

    Container content = getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);

    final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse();

    vv.setGraphMouse(graphMouse);

    JComboBox modeBox = graphMouse.getModeComboBox();
    modeBox.addItemListener(graphMouse.getModeListener());
    graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JToggleButton radial = new JToggleButton("Radial");
    radial.addItemListener(new ItemListener() {

        public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {

                LayoutTransition<String, Number> lt = new LayoutTransition<String, Number>(vv, treeLayout,
                        radialLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.addPreRenderPaintable(rings);
            } else {
                LayoutTransition<String, Number> lt = new LayoutTransition<String, Number>(vv, radialLayout,
                        treeLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.removePreRenderPaintable(rings);
            }
            vv.repaint();
        }
    });

    JPanel scaleGrid = new JPanel(new GridLayout(1, 0));
    scaleGrid.setBorder(BorderFactory.createTitledBorder("Zoom"));

    JPanel controls = new JPanel();
    scaleGrid.add(plus);
    scaleGrid.add(minus);
    controls.add(radial);
    controls.add(scaleGrid);
    controls.add(modeBox);

    content.add(controls, BorderLayout.SOUTH);
}

From source file:TreeLayoutDemo.java

public TreeLayoutDemo() {

    // create a simple graph for the demo
    graph = new DelegateForest<String, Integer>();

    createTree();// w w w  . j  a va  2  s.c  om

    treeLayout = new TreeLayout<String, Integer>(graph);
    radialLayout = new RadialTreeLayout<String, Integer>(graph);
    radialLayout.setSize(new Dimension(600, 600));
    vv = new VisualizationViewer<String, Integer>(treeLayout, new Dimension(600, 600));
    vv.setBackground(Color.white);
    vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());
    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    // add a listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller());
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    rings = new Rings();

    Container content = getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);

    final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse();

    vv.setGraphMouse(graphMouse);

    JComboBox modeBox = graphMouse.getModeComboBox();
    modeBox.addItemListener(graphMouse.getModeListener());
    graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JToggleButton radial = new JToggleButton("Radial");
    radial.addItemListener(new ItemListener() {

        public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {

                LayoutTransition<String, Integer> lt = new LayoutTransition<String, Integer>(vv, treeLayout,
                        radialLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.addPreRenderPaintable(rings);
            } else {
                LayoutTransition<String, Integer> lt = new LayoutTransition<String, Integer>(vv, radialLayout,
                        treeLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.removePreRenderPaintable(rings);
            }
            vv.repaint();
        }
    });

    JPanel scaleGrid = new JPanel(new GridLayout(1, 0));
    scaleGrid.setBorder(BorderFactory.createTitledBorder("Zoom"));

    JPanel controls = new JPanel();
    scaleGrid.add(plus);
    scaleGrid.add(minus);
    controls.add(radial);
    controls.add(scaleGrid);
    controls.add(modeBox);

    content.add(controls, BorderLayout.SOUTH);
}

From source file:WSRTreeVisualizer.java

public WSRTreeVisualizer() {

    // create a simple graph for the demo
    graph = new DelegateForest<String, Integer>();

    createTree();//from ww w. ja  va2s .c om

    treeLayout = new TreeLayout<String, Integer>(graph);
    radialLayout = new RadialTreeLayout<String, Integer>(graph);
    radialLayout.setSize(new Dimension(600, 600));
    vv = new VisualizationViewer<String, Integer>(treeLayout, new Dimension(600, 600));
    vv.setBackground(Color.white);
    vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());
    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    // add a listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller());
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    rings = new Rings();

    Container content = getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);

    final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse();

    vv.setGraphMouse(graphMouse);

    JComboBox modeBox = graphMouse.getModeComboBox();
    modeBox.addItemListener(graphMouse.getModeListener());
    graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JToggleButton radial = new JToggleButton("Radial");
    radial.addItemListener(new ItemListener() {

        public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {

                LayoutTransition<String, Integer> lt = new LayoutTransition<String, Integer>(vv, treeLayout,
                        radialLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.addPreRenderPaintable(rings);
            } else {
                LayoutTransition<String, Integer> lt = new LayoutTransition<String, Integer>(vv, radialLayout,
                        treeLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.removePreRenderPaintable(rings);
            }
            vv.repaint();
        }
    });

    JPanel scaleGrid = new JPanel(new GridLayout(1, 0));
    scaleGrid.setBorder(BorderFactory.createTitledBorder("Zoom"));

    JPanel controls = new JPanel();
    scaleGrid.add(plus);
    scaleGrid.add(minus);
    controls.add(radial);
    controls.add(scaleGrid);
    controls.add(modeBox);

    content.add(controls, BorderLayout.SOUTH);
}

From source file:edu.uci.ics.jung.samples.TreeLayoutDemo.java

@SuppressWarnings({ "unchecked", "rawtypes" })
public TreeLayoutDemo() {

    // create a simple graph for the demo
    graph = new DelegateForest<String, Integer>();

    createTree();//from  w ww .j a  v  a 2  s  . c o m

    treeLayout = new TreeLayout<String, Integer>(graph);
    radialLayout = new RadialTreeLayout<String, Integer>(graph);
    radialLayout.setSize(new Dimension(600, 600));
    vv = new VisualizationViewer<String, Integer>(treeLayout, new Dimension(600, 600));
    vv.setBackground(Color.white);
    vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());
    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    // add a listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller());
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    rings = new Rings();

    Container content = getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);

    final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse();

    vv.setGraphMouse(graphMouse);

    JComboBox modeBox = graphMouse.getModeComboBox();
    modeBox.addItemListener(graphMouse.getModeListener());
    graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JToggleButton radial = new JToggleButton("Radial");
    radial.addItemListener(new ItemListener() {

        public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {

                LayoutTransition<String, Integer> lt = new LayoutTransition<String, Integer>(vv, treeLayout,
                        radialLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.addPreRenderPaintable(rings);
            } else {
                LayoutTransition<String, Integer> lt = new LayoutTransition<String, Integer>(vv, radialLayout,
                        treeLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.removePreRenderPaintable(rings);
            }
            vv.repaint();
        }
    });

    JPanel scaleGrid = new JPanel(new GridLayout(1, 0));
    scaleGrid.setBorder(BorderFactory.createTitledBorder("Zoom"));

    JPanel controls = new JPanel();
    scaleGrid.add(plus);
    scaleGrid.add(minus);
    controls.add(radial);
    controls.add(scaleGrid);
    controls.add(modeBox);

    content.add(controls, BorderLayout.SOUTH);
}

From source file:jung.test.TreeLayoutDemo.java

public TreeLayoutDemo() {

    // create a simple graph for the demo
    //graph = new DelegateForest<String,DefaultWeightedEdge>();
    graph = new DelegateTree<String, DefaultWeightedEdge>();

    createTree();//w  w  w . j a v  a  2s.c o m

    treeLayout = new TreeLayout<String, DefaultWeightedEdge>(graph);
    radialLayout = new RadialTreeLayout<String, DefaultWeightedEdge>(graph);
    radialLayout.setSize(new Dimension(600, 600));
    vv = new VisualizationViewer<String, DefaultWeightedEdge>(treeLayout, new Dimension(600, 600));
    vv.setBackground(Color.white);
    vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());
    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    // add a listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller());
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    rings = new Rings();

    Container content = getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);

    final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse();

    vv.setGraphMouse(graphMouse);

    JComboBox modeBox = graphMouse.getModeComboBox();
    modeBox.addItemListener(graphMouse.getModeListener());
    graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JToggleButton radial = new JToggleButton("Radial");
    radial.addItemListener(new ItemListener() {

        public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {

                LayoutTransition<String, DefaultWeightedEdge> lt = new LayoutTransition<String, DefaultWeightedEdge>(
                        vv, treeLayout, radialLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.addPreRenderPaintable(rings);
            } else {
                LayoutTransition<String, DefaultWeightedEdge> lt = new LayoutTransition<String, DefaultWeightedEdge>(
                        vv, radialLayout, treeLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.removePreRenderPaintable(rings);
            }
            vv.repaint();
        }
    });

    JPanel scaleGrid = new JPanel(new GridLayout(1, 0));
    scaleGrid.setBorder(BorderFactory.createTitledBorder("Zoom"));

    JPanel controls = new JPanel();
    scaleGrid.add(plus);
    scaleGrid.add(minus);
    controls.add(radial);
    controls.add(scaleGrid);
    controls.add(modeBox);

    content.add(controls, BorderLayout.SOUTH);
}

From source file:L2RTreeLayoutDemo.java

public L2RTreeLayoutDemo() {

    // create a simple graph for the demo
    graph = new DelegateForest<String, Integer>();

    createTree();/*from w  w  w .  j a  va  2s .  co  m*/

    treeLayout = new TreeLayout<String, Integer>(graph);
    radialLayout = new RadialTreeLayout<String, Integer>(graph);
    radialLayout.setSize(new Dimension(600, 600));
    vv = new VisualizationViewer<String, Integer>(treeLayout, new Dimension(600, 600));
    vv.setBackground(Color.white);
    vv.getRenderContext().setEdgeShapeTransformer(new EdgeShape.Line());
    vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
    // add a listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller());
    vv.getRenderContext().setArrowFillPaintTransformer(new ConstantTransformer(Color.lightGray));
    rings = new Rings();

    setLtoR(vv);

    Container content = getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);

    final DefaultModalGraphMouse graphMouse = new DefaultModalGraphMouse();

    vv.setGraphMouse(graphMouse);

    JComboBox modeBox = graphMouse.getModeComboBox();
    modeBox.addItemListener(graphMouse.getModeListener());
    graphMouse.setMode(ModalGraphMouse.Mode.TRANSFORMING);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JToggleButton radial = new JToggleButton("Radial");
    radial.addItemListener(new ItemListener() {

        public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {

                LayoutTransition<String, Integer> lt = new LayoutTransition<String, Integer>(vv, treeLayout,
                        radialLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                vv.addPreRenderPaintable(rings);
            } else {
                LayoutTransition<String, Integer> lt = new LayoutTransition<String, Integer>(vv, radialLayout,
                        treeLayout);
                Animator animator = new Animator(lt);
                animator.start();
                vv.getRenderContext().getMultiLayerTransformer().setToIdentity();
                setLtoR(vv);
                vv.removePreRenderPaintable(rings);
            }

            vv.repaint();
        }
    });

    JPanel scaleGrid = new JPanel(new GridLayout(1, 0));
    scaleGrid.setBorder(BorderFactory.createTitledBorder("Zoom"));

    JPanel controls = new JPanel();
    scaleGrid.add(plus);
    scaleGrid.add(minus);
    controls.add(radial);
    controls.add(scaleGrid);
    controls.add(modeBox);

    content.add(controls, BorderLayout.SOUTH);
}