Example usage for javax.swing DefaultFocusManager DefaultFocusManager

Introduction

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

Prototype

public DefaultFocusManager() 

Source Link

Document

Constructs a DefaultFocusManager .

Usage

From source file:pipeline.parameter_cell_views.TextBox.java

public TextBox() {
    super();/*from   w ww.  j  av  a 2s  . c o m*/
    setLayout(new GridBagLayout());

    parameterName = new JLabel("");
    textField = new JTextArea(currentValue);
    textField.getDocument().addDocumentListener(new valueListener());
    // textField.setMinimumSize(new Dimension(150,40));
    textField.setLineWrap(true);
    textField.addMouseListener(this);

    textField.addKeyListener(new KeyAdapter() {
        // from http://www.java.net/node/650657
        @Override
        public void keyPressed(KeyEvent evt) {
            int iKey = evt.getKeyCode();
            JComponent component = (JTextArea) evt.getComponent();
            DefaultFocusManager focusManager = new DefaultFocusManager();
            if ((iKey == KeyEvent.VK_ENTER) ||
            // (iKey == KeyEvent.VK_DOWN) ||
            (iKey == KeyEvent.VK_PAGE_UP) || (iKey == KeyEvent.VK_PAGE_DOWN) || (iKey == KeyEvent.VK_TAB)) {
                evt.consume();
                focusManager.focusNextComponent(component);
            }
            // if (iKey == KeyEvent.VK_UP)
            // focusManager.focusPreviousComponent(component);
        }
    });

    c = new GridBagConstraints();
    c.fill = GridBagConstraints.BOTH;
    c.gridx = 0;
    c.gridheight = 2;
    c.weighty = 1.0;
    c.weightx = 1.0;
    c.gridwidth = 1;

    scrollPane = new JScrollPane(textField, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
            ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
    add(scrollPane, c);
    scrollPane.setPreferredSize(new Dimension(1000, 500));
    scrollPane.setMinimumSize(new Dimension(10, 60));

    c.weighty = 0;
    add(parameterName, c);
    parameterNameAdded = true;
    parameterName.setMinimumSize(new Dimension(100, 30));
}

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