Example usage for javax.swing DefaultFocusManager focusNextComponent

Introduction

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

Prototype

public void focusNextComponent(Component aComponent) 

Source Link

Document

Focuses the Component after aComponent, typically based on a FocusTraversalPolicy.

Usage

From source file:pipeline.parameter_cell_views.TextBox.java

public TextBox() {
    super();/*from   w w w  .  jav a2 s.  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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