Example usage for java.awt BorderLayout PAGE_START

Introduction

In this page you can find the example usage for java.awt BorderLayout PAGE_START.

Prototype

String PAGE_START

To view the source code for java.awt BorderLayout PAGE_START.

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Document

The component comes before the first line of the layout's content.

Usage

From source file:components.ScrollDemo2.java

public ScrollDemo2() {
    super(new BorderLayout());

    area = new Dimension(0, 0);
    circles = new Vector<Rectangle>();

    //Set up the instructions.
    JLabel instructionsLeft = new JLabel("Click left mouse button to place a circle.");
    JLabel instructionsRight = new JLabel("Click right mouse button to clear drawing area.");
    JPanel instructionPanel = new JPanel(new GridLayout(0, 1));
    instructionPanel.setFocusable(true);
    instructionPanel.add(instructionsLeft);
    instructionPanel.add(instructionsRight);

    //Set up the drawing area.
    drawingPane = new DrawingPane();
    drawingPane.setBackground(Color.white);
    drawingPane.addMouseListener(this);

    //Put the drawing area in a scroll pane.
    JScrollPane scroller = new JScrollPane(drawingPane);
    scroller.setPreferredSize(new Dimension(200, 200));

    //Lay out this demo.
    add(instructionPanel, BorderLayout.PAGE_START);
    add(scroller, BorderLayout.CENTER);
}

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From source file:ProgressBarDemo.java

public ProgressBarDemo() {
    super(new BorderLayout());
    task = new LongTask();

    //Create the demo's UI.
    startButton = new JButton("Start");
    startButton.setActionCommand("start");
    startButton.addActionListener(this);

    progressBar = new JProgressBar(0, task.getLengthOfTask());
    progressBar.setValue(0);//from w ww  .j a v  a  2  s.  c  om
    progressBar.setStringPainted(true);

    taskOutput = new JTextArea(5, 20);
    taskOutput.setMargin(new Insets(5, 5, 5, 5));
    taskOutput.setEditable(false);
    taskOutput.setCursor(null); //inherit the panel's cursor
                                //see bug 4851758

    JPanel panel = new JPanel();
    panel.add(startButton);
    panel.add(progressBar);

    add(panel, BorderLayout.PAGE_START);
    add(new JScrollPane(taskOutput), BorderLayout.CENTER);
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    //Create a timer.
    timer = new Timer(ONE_SECOND, new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            progressBar.setValue(task.getCurrent());
            String s = task.getMessage();
            if (s != null) {
                taskOutput.append(s + newline);
                taskOutput.setCaretPosition(taskOutput.getDocument().getLength());
            }
            if (task.isDone()) {
                Toolkit.getDefaultToolkit().beep();
                timer.stop();
                startButton.setEnabled(true);
                setCursor(null); //turn off the wait cursor
                progressBar.setValue(progressBar.getMinimum());
            }
        }
    });
}

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From source file:Main.java

private void addComponentsToPane() {

    JButton button = new JButton("Clear");
    button.addActionListener(this);

    typingArea = new JTextField(20);
    typingArea.addKeyListener(this);

    // Uncomment this if you wish to turn off focus
    // traversal. The focus subsystem consumes
    // focus traversal keys, such as Tab and Shift Tab.
    // If you uncomment the following line of code, this
    // disables focus traversal and the Tab events will
    // become available to the key event listener.
    // typingArea.setFocusTraversalKeysEnabled(false);

    displayArea = new JTextArea();
    displayArea.setEditable(false);//from   ww  w  .j  a  va  2  s . c o m
    JScrollPane scrollPane = new JScrollPane(displayArea);
    scrollPane.setPreferredSize(new Dimension(375, 125));

    getContentPane().add(typingArea, BorderLayout.PAGE_START);
    getContentPane().add(scrollPane, BorderLayout.CENTER);
    getContentPane().add(button, BorderLayout.PAGE_END);
}

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From source file:KeyEventDemo.java

public KeyEventDemo() {
    super(new BorderLayout());

    JButton button = new JButton("Clear");
    button.addActionListener(this);

    typingArea = new JTextField(20);
    typingArea.addKeyListener(this);

    //Uncomment this if you wish to turn off focus
    //traversal. The focus subsystem consumes
    //focus traversal keys, such as Tab and Shift Tab.
    //If you uncomment the following line of code, this
    //disables focus traversal and the Tab events will
    //become available to the key event listener.
    //typingArea.setFocusTraversalKeysEnabled(false);

    displayArea = new JTextArea();
    displayArea.setEditable(false);//from  w w  w.j  a v  a2s .co m
    JScrollPane scrollPane = new JScrollPane(displayArea);
    scrollPane.setPreferredSize(new Dimension(375, 125));

    add(typingArea, BorderLayout.PAGE_START);
    add(scrollPane, BorderLayout.CENTER);
    add(button, BorderLayout.PAGE_END);
}

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From source file:components.ColorChooserDemo2.java

public ColorChooserDemo2() {
    super(new BorderLayout());

    //Set up banner to use as custom preview panel
    banner = new JLabel("Welcome to the Tutorial Zone!", JLabel.CENTER);
    banner.setForeground(Color.yellow);
    banner.setBackground(Color.blue);
    banner.setOpaque(true);/*  ww w.  jav  a2s. c o  m*/
    banner.setFont(new Font("SansSerif", Font.BOLD, 24));
    banner.setPreferredSize(new Dimension(100, 65));

    JPanel bannerPanel = new JPanel(new BorderLayout());
    bannerPanel.add(banner, BorderLayout.CENTER);
    bannerPanel.setBorder(BorderFactory.createTitledBorder("Banner"));

    //Set up color chooser for setting background color
    JPanel panel = new JPanel(); //use FlowLayout
    JButton bcc = new JButton("Show Color Chooser...");
    bcc.addActionListener(this);
    panel.add(bcc);
    panel.setBorder(BorderFactory.createTitledBorder("Choose Background Color"));

    //Set up color chooser for setting text color
    tcc = new JColorChooser();
    tcc.getSelectionModel().addChangeListener(this);
    tcc.setBorder(BorderFactory.createTitledBorder("Choose Text Color"));

    //Remove the preview panel
    tcc.setPreviewPanel(new JPanel());

    //Override the chooser panels with our own
    AbstractColorChooserPanel panels[] = { new CrayonPanel() };
    tcc.setChooserPanels(panels);
    tcc.setColor(banner.getForeground());

    add(bannerPanel, BorderLayout.PAGE_START);
    add(panel, BorderLayout.CENTER);
    add(tcc, BorderLayout.PAGE_END);
}

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From source file:FocusTraversalDemo.java

public FocusTraversalDemo() {
    super(new BorderLayout());

    JTextField tf1 = new JTextField("Field 1");
    JTextField tf2 = new JTextField("A Bigger Field 2");
    JTextField tf3 = new JTextField("Field 3");
    JTextField tf4 = new JTextField("A Bigger Field 4");
    JTextField tf5 = new JTextField("Field 5");
    JTextField tf6 = new JTextField("A Bigger Field 6");
    JTable table = new JTable(4, 3);
    togglePolicy = new JCheckBox("Custom FocusTraversalPolicy");
    togglePolicy.setActionCommand("toggle");
    togglePolicy.addActionListener(this);
    togglePolicy.setFocusable(false); // Remove it from the focus cycle.
    // Note that HTML is allowed and will break this run of text
    // across two lines.
    label = new JLabel(
            "<html>Use Tab (or Shift-Tab) to navigate from component to component.Control-Tab (or Control-Shift-Tab) allows you to break out of the JTable.</html>");

    JPanel leftTextPanel = new JPanel(new GridLayout(3, 2));
    leftTextPanel.add(tf1, BorderLayout.PAGE_START);
    leftTextPanel.add(tf3, BorderLayout.CENTER);
    leftTextPanel.add(tf5, BorderLayout.PAGE_END);
    leftTextPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 5));
    JPanel rightTextPanel = new JPanel(new GridLayout(3, 2));
    rightTextPanel.add(tf2, BorderLayout.PAGE_START);
    rightTextPanel.add(tf4, BorderLayout.CENTER);
    rightTextPanel.add(tf6, BorderLayout.PAGE_END);
    rightTextPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 5));
    JPanel tablePanel = new JPanel(new GridLayout(0, 1));
    tablePanel.add(table, BorderLayout.CENTER);
    tablePanel.setBorder(BorderFactory.createEtchedBorder());
    JPanel bottomPanel = new JPanel(new GridLayout(2, 1));
    bottomPanel.add(togglePolicy, BorderLayout.PAGE_START);
    bottomPanel.add(label, BorderLayout.PAGE_END);

    add(leftTextPanel, BorderLayout.LINE_START);
    add(rightTextPanel, BorderLayout.CENTER);
    add(tablePanel, BorderLayout.LINE_END);
    add(bottomPanel, BorderLayout.PAGE_END);
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
    Vector<Component> order = new Vector<Component>(7);
    order.add(tf1);/*from  www  .j  a v a  2  s. c o m*/
    order.add(tf2);
    order.add(tf3);
    order.add(tf4);
    order.add(tf5);
    order.add(tf6);
    order.add(table);
    newPolicy = new MyOwnFocusTraversalPolicy(order);
}

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From source file:DragColorTextFieldDemo.java

public DragColorTextFieldDemo() {
    super(new BorderLayout());
    JTextField textField;/*from  w w w . j  a  v a 2 s.  c o m*/

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

    JColorChooser chooser = new JColorChooser();
    chooser.setDragEnabled(true);
    add(chooser, BorderLayout.PAGE_START);

    //Create the color transfer handler.
    colorHandler = new ColorAndTextTransferHandler();

    //Create some text fields.
    JPanel buttonPanel = new JPanel(new GridLayout(3, 1));
    textField = new JTextField("I can accept color/text and drag text.");
    textField.setTransferHandler(colorHandler);
    textField.setDragEnabled(true);
    buttonPanel.add(textField);
    textField = new JTextField("Me too!");
    textField.setTransferHandler(colorHandler);
    textField.setDragEnabled(true);
    buttonPanel.add(textField);
    textField = new JTextField("Me three!");
    textField.setTransferHandler(colorHandler);
    textField.setDragEnabled(true);
    buttonPanel.add(textField);
    add(buttonPanel, BorderLayout.CENTER);
}

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From source file:components.ProgressBarDemo.java

public ProgressBarDemo() {
    super(new BorderLayout());

    //Create the demo's UI.
    startButton = new JButton("Start");
    startButton.setActionCommand("start");
    startButton.addActionListener(this);

    progressBar = new JProgressBar(0, 100);
    progressBar.setValue(0);// w  w w  .j  av  a  2 s  . c  o m
    progressBar.setStringPainted(true);

    taskOutput = new JTextArea(5, 20);
    taskOutput.setMargin(new Insets(5, 5, 5, 5));
    taskOutput.setEditable(false);

    JPanel panel = new JPanel();
    panel.add(startButton);
    panel.add(progressBar);

    add(panel, BorderLayout.PAGE_START);
    add(new JScrollPane(taskOutput), BorderLayout.CENTER);
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

}

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From source file:components.JWSFileChooserDemo.java

public JWSFileChooserDemo() {
    super(new BorderLayout());

    //Create the log first, because the action listeners
    //need to refer to it.
    log = new JTextArea(5, 20);
    log.setMargin(new Insets(5, 5, 5, 5));
    log.setEditable(false);/*  w  w w  .  j ava2 s . co m*/
    JScrollPane logScrollPane = new JScrollPane(log);

    //Create the open button.  We use the image from the JLF
    //Graphics Repository (but we extracted it from the jar).
    openButton = new JButton("Open a File...", createImageIcon("images/Open16.gif"));
    openButton.addActionListener(this);

    //Create the save button.  We use the image from the JLF
    //Graphics Repository (but we extracted it from the jar).
    saveButton = new JButton("Save a File...", createImageIcon("images/Save16.gif"));
    saveButton.addActionListener(this);

    //For layout purposes, put the buttons in a separate panel
    JPanel buttonPanel = new JPanel();
    buttonPanel.add(openButton);
    buttonPanel.add(saveButton);

    //Add the buttons and the log to this panel.
    add(buttonPanel, BorderLayout.PAGE_START);
    add(logScrollPane, BorderLayout.CENTER);
}

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From source file:ProgressMonitorDemo.java

public ProgressMonitorDemo() {
    super(new BorderLayout());

    // Create the demo's UI.
    startButton = new JButton("Start");
    startButton.setActionCommand("start");
    startButton.addActionListener(this);

    taskOutput = new JTextArea(5, 20);
    taskOutput.setMargin(new Insets(5, 5, 5, 5));
    taskOutput.setEditable(false);//w  ww .java  2 s  .  c  o  m

    add(startButton, BorderLayout.PAGE_START);
    add(new JScrollPane(taskOutput), BorderLayout.CENTER);
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

}

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