Java Utililty Methods JButton

List of utility methods to do JButton

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Description

The list of methods to do JButton are organized into topic(s).

Method

voidaddActionToButton(JButton button, final Runnable action)
add Action To Button 
button.addActionListener(new ActionListener() {
    @Override
    public void actionPerformed(ActionEvent e) {
        action.run();
});
voidaddCRListener(JComponent c, final JButton b)
Pressing Enter on the given component will act as clicking on the given button. 
c.addKeyListener(new KeyAdapter() {
    @Override
    public void keyTyped(KeyEvent e) {
        if (e.getKeyChar() == KeyEvent.VK_ENTER) {
            b.doClick();
});
...
voidaddEnterListener(JComponent c, final JButton b)
This method implements hotkey binding for [Enter] for currently focused JComponent with a "Ok" Button. 
c.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke("ENTER"), "pressOK");
c.getActionMap().put("pressOK", new AbstractAction() {
    private static final long serialVersionUID = 1L;
    @Override
    public void actionPerformed(ActionEvent next) {
        b.doClick();
});
...
voidadjustButtonMargins(Insets margin, JButton... buttons)
adjust Button Margins 
for (JButton button : buttons)
    button.setMargin(margin);
voidadjustButtonWidth(JButton button, int minWidth, int minHeight)
adjust Button Width 
Font f = button.getFont();
if (f != null) {
    FontMetrics fm = button.getFontMetrics(f);
    if (fm != null) {
        Rectangle2D bounds = f.getStringBounds(button.getText(), fm.getFontRenderContext());
        int width = (int) bounds.getWidth() + 2;
        int height = Math.max((int) bounds.getHeight(), minHeight);
        Dimension pref = button.getPreferredSize();
...
voidbtnHover(JButton btn)
btn Hover 
btn.setContentAreaFilled(true);
btn.setFocusPainted(false);
btn.setMargin(new Insets(0, 0, 0, 0));
btn.setBorderPainted(false);
btn.setOpaque(false);
btn.setCursor(new Cursor(Cursor.HAND_CURSOR));
voidbuttonState(JButton button, boolean boolArrayOfErrors[])
Takes a JButton and a boolean array of errors. 
if (!isErrorPresent(boolArrayOfErrors)) {
    button.setEnabled(true);
} else {
    button.setEnabled(false);
voidcloseFrame(JButton thisButton)
Called by a button to close the containing window when actions are done. 
((JFrame) thisButton.getTopLevelAncestor()).dispose();
voidconfigureButton(JButton button)
Configures a jButton with default behaviour like the multi-click threshold. 
button.setMultiClickThreshhold(500);
voidconsiderarSetaComoTab(JButton comp)
considerar Seta Como Tab 
Set<AWTKeyStroke> newKeystrokes;
newKeystrokes = new HashSet<AWTKeyStroke>(
        comp.getFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));
newKeystrokes.add(AWTKeyStroke.getAWTKeyStroke(KeyEvent.VK_RIGHT, 0));
newKeystrokes.add(AWTKeyStroke.getAWTKeyStroke(KeyEvent.VK_KP_RIGHT, 0));
comp.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, newKeystrokes);
newKeystrokes = new HashSet<AWTKeyStroke>(
        comp.getFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS));
...