Java Utililty Methods JButton Settings

List of utility methods to do JButton Settings

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Description

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

Method

voidScaleButtonIcon(JToggleButton btn, int width, int height, int fontsize)
Scale Button Icon 
btn.setMargin(null);
int iconWidth = width;
int iconHeigth = height;
if (btn.getText() != null && !btn.getText().isEmpty()) {
    Font font = btn.getFont();
    btn.setFont(new Font(font.getName(), font.getStyle(), fontsize));
    FontMetrics fm = btn.getFontMetrics(font);
    btn.setHorizontalTextPosition(JButton.CENTER);
...
StringSelectedOptionButton(Container container)
Selected Option Button 
for (Component optIterator : container.getComponents()) {
    if (optIterator instanceof JRadioButton) {
        JRadioButton optSelected = (JRadioButton) optIterator;
        if (optSelected.isSelected()) {
            return optSelected.getActionCommand();
return "";
FileselectFile(final int openMode, final String title, final String buttonText, final String lastDirectoryUsed, final Component parent, final String suffix, final String description)
Function to open a JFileChooser and set it properly. 
JFileChooser chooser = new JFileChooser(lastDirectoryUsed);
chooser.setFileHidingEnabled(false);
chooser.setDialogTitle(title);
chooser.setFileFilter(new javax.swing.filechooser.FileFilter() {
    @Override
    public boolean accept(File pathname) {
        if (pathname.isDirectory()) {
            return true;
...
voidselectWithoutNotifyingListeners(AbstractButton ab, boolean selected)
select Without Notifying Listeners 
ItemListener[] il = ab.getItemListeners();
if (il != null) {
    for (ItemListener i : il)
        ab.removeItemListener(i);
ActionListener[] al = ab.getActionListeners();
if (al != null) {
    for (ActionListener i : al)
...
voidsetAction(AbstractButton btn, ActionListener listener, String actionCommand)
set Action 
btn.addActionListener(listener);
btn.setActionCommand(actionCommand);
voidsetAllEnabled(final ButtonGroup buttonGroup, final boolean enabled)
Enables (or disables) all the buttons in a button group. 
for (final AbstractButton button : Collections.list(buttonGroup.getElements())) {
    button.setEnabled(enabled);
voidsetAutoMnemonic(AbstractButton button)
Sets the mnemonic for the given button using jEdit convention, taking the letter after the dollar. 
String label = button.getText();
char mnemonic;
int index = label.indexOf('$');
if (index != -1 && label.length() - index > 1) {
    mnemonic = Character.toLowerCase(label.charAt(index + 1));
    label = label.substring(0, index).concat(label.substring(++index));
} else {
    mnemonic = '\0';
...
voidsetBtnValue(ButtonGroup group, String value)
set Btn Value 
for (Enumeration<AbstractButton> e = group.getElements(); e.hasMoreElements();) {
    AbstractButton btn = e.nextElement();
    if (btn.getActionCommand().equals(value)) {
        group.setSelected(btn.getModel(), true);
        break;
voidsetButton(AbstractButton button, Icon icon, ActionListener buttonListener)

Set Button using given arguments. 

button.setIcon(icon);
button.addActionListener(buttonListener);
button.setContentAreaFilled(false);
voidsetButtonContentMargin(AbstractButton button, Insets margin)
Sets the content margin of a button (for Nimbus L&F). 
UIDefaults defaults = new UIDefaults();
defaults.put("Button.contentMargins", margin);
defaults.put("ToggleButton.contentMargins", margin);
button.putClientProperty("Nimbus.Overrides", defaults);