Example usage for javax.swing JPanel setLayout

List of usage examples for javax.swing JPanel setLayout

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  4. javax.swing.*
  5. JPanel
  6. setLayout

Introduction

In this page you can find the example usage for javax.swing JPanel setLayout.

Prototype

public void setLayout(LayoutManager mgr)

Source Link

Document

Sets the layout manager for this container.

Usage

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    JPanel panel = new JPanel();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    GroupLayout layout = new GroupLayout(panel);
    panel.setLayout(layout);

    System.out.println(layout.getAutoCreateGaps());

    JButton buttonD = new JButton("D");
    JButton buttonR = new JButton("R");
    JButton buttonY = new JButton("Y");
    JButton buttonO = new JButton("O");
    JButton buttonT = new JButton("T");

    GroupLayout.SequentialGroup leftToRight = layout.createSequentialGroup();

    leftToRight.addComponent(buttonD);/* www. j  a  va 2  s .co  m*/
    GroupLayout.ParallelGroup columnMiddle = layout.createParallelGroup();
    columnMiddle.addComponent(buttonR);
    columnMiddle.addComponent(buttonO);
    columnMiddle.addComponent(buttonT);
    leftToRight.addGroup(columnMiddle);
    leftToRight.addComponent(buttonY);

    GroupLayout.SequentialGroup topToBottom = layout.createSequentialGroup();
    GroupLayout.ParallelGroup rowTop = layout.createParallelGroup();
    rowTop.addComponent(buttonD);
    rowTop.addComponent(buttonR);
    rowTop.addComponent(buttonY);
    topToBottom.addGroup(rowTop);
    topToBottom.addComponent(buttonO);
    topToBottom.addComponent(buttonT);

    layout.setHorizontalGroup(leftToRight);
    layout.setVerticalGroup(topToBottom);

    frame.add(panel);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    JPanel panel = new JPanel();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    GroupLayout layout = new GroupLayout(panel);
    panel.setLayout(layout);

    System.out.println(layout.getHonorsVisibility());

    JButton buttonD = new JButton("D");
    JButton buttonR = new JButton("R");
    JButton buttonY = new JButton("Y");
    JButton buttonO = new JButton("O");
    JButton buttonT = new JButton("T");

    GroupLayout.SequentialGroup leftToRight = layout.createSequentialGroup();

    leftToRight.addComponent(buttonD);// w  ww.  j  a va  2 s  .  c  om
    GroupLayout.ParallelGroup columnMiddle = layout.createParallelGroup();
    columnMiddle.addComponent(buttonR);
    columnMiddle.addComponent(buttonO);
    columnMiddle.addComponent(buttonT);
    leftToRight.addGroup(columnMiddle);
    leftToRight.addComponent(buttonY);

    GroupLayout.SequentialGroup topToBottom = layout.createSequentialGroup();
    GroupLayout.ParallelGroup rowTop = layout.createParallelGroup();
    rowTop.addComponent(buttonD);
    rowTop.addComponent(buttonR);
    rowTop.addComponent(buttonY);
    topToBottom.addGroup(rowTop);
    topToBottom.addComponent(buttonO);
    topToBottom.addComponent(buttonT);

    layout.setHorizontalGroup(leftToRight);
    layout.setVerticalGroup(topToBottom);

    frame.add(panel);
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String... args) {
    JPanel contentPane;
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    contentPane = new JPanel();
    contentPane.setLayout(new GridBagLayout());

    JPanel centerPanel = new JPanel();
    centerPanel.setOpaque(true);/*w  ww  . ja va 2s.  c om*/
    centerPanel.setBackground(Color.CYAN);

    GridBagConstraints gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.FIRST_LINE_START;
    gbc.weightx = 1.0;
    gbc.weighty = 0.9;
    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.gridwidth = 2;
    gbc.fill = GridBagConstraints.BOTH;

    contentPane.add(centerPanel, gbc);

    JButton leftButton = new JButton("Left");
    JButton rightButton = new JButton("Right");
    gbc.gridwidth = 1;
    gbc.gridy = 1;
    gbc.weightx = 0.3;
    gbc.weighty = 0.1;

    contentPane.add(leftButton, gbc);

    gbc.gridx = 1;
    gbc.weightx = 0.7;
    gbc.weighty = 0.1;

    contentPane.add(rightButton, gbc);

    frame.setContentPane(contentPane);
    frame.pack();
    frame.setLocationByPlatform(true);
    frame.setVisible(true);

}

From source file:OverlaySample.java

public static void main(String args[]) {

    ActionListener generalActionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            JComponent comp = (JComponent) actionEvent.getSource();
            System.out.println(actionEvent.getActionCommand() + ": " + comp.getBounds());
        }//ww  w. j  a  va2s. co  m
    };

    ActionListener sizingActionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            setupButtons(actionEvent.getActionCommand());
        }
    };

    JFrame frame = new JFrame("Overlay Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel panel = new JPanel();
    LayoutManager overlay = new OverlayLayout(panel);
    panel.setLayout(overlay);

    Object settings[][] = { { "Small", new Dimension(25, 25), Color.white },
            { "Medium", new Dimension(50, 50), Color.gray },
            { "Large", new Dimension(100, 100), Color.black } };
    JButton buttons[] = { smallButton, mediumButton, largeButton };

    for (int i = 0, n = settings.length; i < n; i++) {
        JButton button = buttons[i];
        button.addActionListener(generalActionListener);
        button.setActionCommand((String) settings[i][0]);
        button.setMaximumSize((Dimension) settings[i][1]);
        button.setBackground((Color) settings[i][2]);
        panel.add(button);
    }

    setupButtons(SET_CENTRAL);

    JPanel actionPanel = new JPanel();
    actionPanel.setBorder(BorderFactory.createTitledBorder("Change Alignment"));
    String actionSettings[] = { SET_MINIMUM, SET_MAXIMUM, SET_CENTRAL, SET_MIXED };
    for (int i = 0, n = actionSettings.length; i < n; i++) {
        JButton button = new JButton(actionSettings[i]);
        button.addActionListener(sizingActionListener);
        actionPanel.add(button);
    }

    Container contentPane = frame.getContentPane();
    contentPane.add(panel, BorderLayout.CENTER);
    contentPane.add(actionPanel, BorderLayout.SOUTH);

    frame.setSize(400, 300);
    frame.setVisible(true);
}

From source file:OverlaySample.java

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

    JPanel panel = new JPanel() {
        public boolean isOptimizedDrawingEnabled() {
            return false;
        }/*from ww w  . j  a  v  a  2 s  .  c o  m*/
    };
    LayoutManager overlay = new OverlayLayout(panel);
    panel.setLayout(overlay);

    JButton button = new JButton("Small");
    button.setMaximumSize(new Dimension(25, 25));
    button.setBackground(Color.white);
    panel.add(button);

    button = new JButton("Medium");
    button.setMaximumSize(new Dimension(50, 50));
    button.setBackground(Color.gray);
    panel.add(button);

    button = new JButton("Large");
    button.setMaximumSize(new Dimension(100, 100));
    button.setBackground(Color.black);
    panel.add(button);

    frame.add(panel, BorderLayout.CENTER);

    frame.setSize(400, 300);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    JPanel panel = new JPanel();
    JTextPane textPane = new JTextPane();

    JButton button = new JButton("Test");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    panel.setLayout(new BorderLayout());
    panel.setPreferredSize(new Dimension(200, 200));

    panel.add(textPane, BorderLayout.CENTER);
    panel.add(button, BorderLayout.SOUTH);
    textPane.addStyle("myStyle", null);

    button.addActionListener(e -> {//from w  w w . j a va 2  s  .c o m
        StyledDocument doc = textPane.getStyledDocument();
        int start = textPane.getSelectionStart();
        int end = textPane.getSelectionEnd();
        if (start == end) {
            return;
        }
        if (start > end) {
            int life = start;
            start = end;
            end = life;
        }
        Style style = textPane.getStyle("myStyle");

        if (StyleConstants.isBold(style)) {
            StyleConstants.setBold(style, false);
        } else {
            StyleConstants.setBold(style, true);
        }
        doc.setCharacterAttributes(start, end - start, style, false);
    });

    frame.add(panel);
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

From source file:com.ohalo.cn.awt.JFreeChartTest.java

public static void main(String[] args) throws Exception {
    JFreeChartTest test = new JFreeChartTest();
    List<JFreeChart> charts = test.printHardDiskCharts();

    JPanel mainPanel = new JPanel();
    JFreeChart chart = charts.get(0);//from  w w w  . j  a  va2s  . c  o m
    JPanel panel = new JPanel();
    panel.setLayout(new BorderLayout());
    ChartPanel chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new Dimension(400, 300));
    panel.add(chartPanel, BorderLayout.CENTER);
    mainPanel.add(panel, new GridBagConstraints(0, 0, 1, 1, 1, 1, GridBagConstraints.CENTER,
            GridBagConstraints.BOTH, new Insets(20, 20, 10, 10), 0, 0));

    chart = charts.get(1);
    panel = new JPanel();
    ChartPanel chartPanel2 = new ChartPanel(chart);
    chartPanel2.setPreferredSize(new Dimension(400, 300));
    panel.setLayout(new BorderLayout());
    panel.add(chartPanel2, BorderLayout.CENTER);
    mainPanel.add(panel, new GridBagConstraints(1, 0, 1, 1, 1, 1, GridBagConstraints.CENTER,
            GridBagConstraints.BOTH, new Insets(10, 10, 10, 10), 0, 0));

    chart = charts.get(2);
    panel = new JPanel();
    ChartPanel chartPanel3 = new ChartPanel(chart);
    chartPanel3.setPreferredSize(new Dimension(400, 300));
    panel.setLayout(new BorderLayout());
    panel.add(chartPanel3, BorderLayout.CENTER);
    mainPanel.add(panel, new GridBagConstraints(1, 0, 1, 1, 1, 1, GridBagConstraints.CENTER,
            GridBagConstraints.BOTH, new Insets(10, 10, 10, 10), 0, 0));

    chart = charts.get(3);
    panel = new JPanel();
    ChartPanel chartPanel4 = new ChartPanel(chart);
    chartPanel4.setPreferredSize(new Dimension(400, 300));
    panel.setLayout(new BorderLayout());
    panel.add(chartPanel4, BorderLayout.CENTER);

    mainPanel.add(panel, new GridBagConstraints(1, 1, 1, 1, 1, 1, GridBagConstraints.CENTER,
            GridBagConstraints.BOTH, new Insets(10, 10, 20, 20), 0, 0));

    JDialog dialog = new JDialog(new JFrame(), true);
    dialog.setTitle("?");
    dialog.setSize(850, 650);
    dialog.getContentPane().add(mainPanel);
    dialog.setVisible(true);
}

From source file:Main.java

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

    JPanel panel = new JPanel() {
        public boolean isOptimizedDrawingEnabled() {
            return false;
        }//from w ww.j av  a 2 s .  c  o  m
    };
    LayoutManager overlay = new OverlayLayout(panel);
    panel.setLayout(overlay);

    JButton button = new JButton("Small");
    button.setMaximumSize(new Dimension(25, 25));
    button.setBackground(Color.white);
    button.setAlignmentX(0.0f);
    button.setAlignmentY(0.0f);
    panel.add(button);

    button = new JButton("Medium");
    button.setMaximumSize(new Dimension(50, 50));
    button.setBackground(Color.gray);
    button.setAlignmentX(0.0f);
    button.setAlignmentY(0.0f);
    panel.add(button);

    button = new JButton("Large");
    button.setMaximumSize(new Dimension(100, 100));
    button.setBackground(Color.black);
    button.setAlignmentX(0.0f);
    button.setAlignmentY(0.0f);
    panel.add(button);

    frame.add(panel, BorderLayout.CENTER);

    frame.setSize(400, 300);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    final DefaultListModel<String> model = new DefaultListModel<>();
    final JList<String> list = new JList<>(model);
    JFrame f = new JFrame();

    model.addElement("A");
    model.addElement("B");
    model.addElement("C");
    model.addElement("D");
    model.addElement("E");

    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS));

    JPanel leftPanel = new JPanel();
    JPanel rightPanel = new JPanel();

    leftPanel.setLayout(new BorderLayout());
    rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.Y_AXIS));

    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

    list.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent e) {
            if (e.getClickCount() == 2) {
                int index = list.locationToIndex(e.getPoint());
                Object item = model.getElementAt(index);
                String text = JOptionPane.showInputDialog("Rename item", item);
                String newitem = "";
                if (text != null)
                    newitem = text.trim();
                else
                    return;

                if (!newitem.isEmpty()) {
                    model.remove(index);
                    model.add(index, newitem);
                    ListSelectionModel selmodel = list.getSelectionModel();
                    selmodel.setLeadSelectionIndex(index);
                }//from ww w .jav a 2  s . co m
            }
        }
    });
    leftPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    leftPanel.add(new JScrollPane(list));

    JButton removeall = new JButton("Remove All");
    JButton add = new JButton("Add");
    JButton rename = new JButton("Rename");
    JButton delete = new JButton("Delete");

    add.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String text = JOptionPane.showInputDialog("Add a new item");
            String item = null;

            if (text != null)
                item = text.trim();
            else
                return;

            if (!item.isEmpty())
                model.addElement(item);
        }
    });

    delete.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index >= 0)
                model.remove(index);
        }

    });

    rename.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index == -1)
                return;
            Object item = model.getElementAt(index);
            String text = JOptionPane.showInputDialog("Rename item", item);
            String newitem = null;

            if (text != null) {
                newitem = text.trim();
            } else
                return;

            if (!newitem.isEmpty()) {
                model.remove(index);
                model.add(index, newitem);
            }
        }
    });

    removeall.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            model.clear();
        }
    });

    rightPanel.add(add);
    rightPanel.add(rename);
    rightPanel.add(delete);
    rightPanel.add(removeall);

    rightPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 20));

    panel.add(leftPanel);
    panel.add(rightPanel);

    f.add(panel);

    f.setSize(350, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);

}

From source file:List.java

public static void main(String[] args) {
    final DefaultListModel model = new DefaultListModel();
    final JList list = new JList(model);
    JFrame f = new JFrame();
    f.setTitle("JList models");

    model.addElement("A");
    model.addElement("B");
    model.addElement("C");
    model.addElement("D");
    model.addElement("E");

    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS));

    JPanel leftPanel = new JPanel();
    JPanel rightPanel = new JPanel();

    leftPanel.setLayout(new BorderLayout());
    rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.Y_AXIS));

    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

    list.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent e) {
            if (e.getClickCount() == 2) {
                int index = list.locationToIndex(e.getPoint());
                Object item = model.getElementAt(index);
                String text = JOptionPane.showInputDialog("Rename item", item);
                String newitem = "";
                if (text != null)
                    newitem = text.trim();
                else
                    return;

                if (!newitem.isEmpty()) {
                    model.remove(index);
                    model.add(index, newitem);
                    ListSelectionModel selmodel = list.getSelectionModel();
                    selmodel.setLeadSelectionIndex(index);
                }/*from  w  w  w.  j  a v  a 2  s  . com*/
            }
        }
    });
    leftPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    leftPanel.add(new JScrollPane(list));

    JButton removeall = new JButton("Remove All");
    JButton add = new JButton("Add");
    JButton rename = new JButton("Rename");
    JButton delete = new JButton("Delete");

    add.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String text = JOptionPane.showInputDialog("Add a new item");
            String item = null;

            if (text != null)
                item = text.trim();
            else
                return;

            if (!item.isEmpty())
                model.addElement(item);
        }
    });

    delete.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index >= 0)
                model.remove(index);
        }

    });

    rename.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index == -1)
                return;
            Object item = model.getElementAt(index);
            String text = JOptionPane.showInputDialog("Rename item", item);
            String newitem = null;

            if (text != null) {
                newitem = text.trim();
            } else
                return;

            if (!newitem.isEmpty()) {
                model.remove(index);
                model.add(index, newitem);
            }
        }
    });

    removeall.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            model.clear();
        }
    });

    rightPanel.add(add);
    rightPanel.add(rename);
    rightPanel.add(delete);
    rightPanel.add(removeall);

    rightPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 20));

    panel.add(leftPanel);
    panel.add(rightPanel);

    f.add(panel);

    f.setSize(350, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);

}