javax.swing.AbstractButton#setMargin ( )源码实例Demo

@Override
public void installUI(JComponent c) {
	super.installUI(c);
	AbstractButton button = (AbstractButton) c;
	ButtonInfo i = getButtonInfo(button, true);
	button.getModel().addChangeListener(i.buttonStateListener);
	button.addPropertyChangeListener(PROPERTY_BOOLEAN_BUTTON_STATE,
			i.booleanStateListener);
	button.addPropertyChangeListener(PROPERTY_HORIZONTAL_POSITION,
			i.refreshBorderListener);
	button.addPropertyChangeListener(PROPERTY_VERTICAL_POSITION,
			i.refreshBorderListener);
	button.addPropertyChangeListener(PROPERTY_STROKE_PAINTED,
			i.refreshBorderListener);
	button.addPropertyChangeListener(PROPERTY_IS_CIRCLE,
			i.refreshBorderListener);
	button.addKeyListener(focusArrowListener);
	button.setRolloverEnabled(true);
	buttons.add(button);
	button.setOpaque(false);
	button.setMargin(new Insets(0,4,0,4));
}
 

private void patchUI( JFileChooser fc ) {
	// turn top-right buttons into toolbar buttons
	Component topPanel = fc.getComponent( 0 );
	if( (topPanel instanceof JPanel) &&
		(((JPanel)topPanel).getLayout() instanceof BorderLayout) )
	{
		Component topButtonPanel = ((JPanel)topPanel).getComponent( 0 );
		if( (topButtonPanel instanceof JPanel) &&
			(((JPanel)topButtonPanel).getLayout() instanceof BoxLayout) )
		{
			Insets margin = UIManager.getInsets( "Button.margin" );
			Component[] comps = ((JPanel)topButtonPanel).getComponents();
			for( int i = comps.length - 1; i >= 0; i-- ) {
				Component c = comps[i];
				if( c instanceof JButton || c instanceof JToggleButton ) {
					AbstractButton b = (AbstractButton)c;
					b.putClientProperty( FlatClientProperties.BUTTON_TYPE,
						FlatClientProperties.BUTTON_TYPE_TOOLBAR_BUTTON );
					b.setMargin( margin );
					b.setFocusable( false );
				} else if( c instanceof Box.Filler )
					((JPanel)topButtonPanel).remove( i );
			}
		}
	}

	// increase maximum row count of directory combo box popup list
	try {
		Component directoryComboBox =  ((JPanel)topPanel).getComponent( 2 );
		if( directoryComboBox instanceof JComboBox ) {
			int maximumRowCount = UIManager.getInt( "ComboBox.maximumRowCount" );
			if( maximumRowCount > 0 )
				((JComboBox<?>)directoryComboBox).setMaximumRowCount( maximumRowCount );
		}
	} catch( ArrayIndexOutOfBoundsException ex ) {
		// ignore
	}
}
 

public void addButton(AbstractButton button) {
    Icon icon = button.getIcon();
    Dimension size = new Dimension(icon.getIconWidth() + 6, icon.getIconHeight() + 10);
    button.setMinimumSize(size);
    button.setPreferredSize(size);
    button.setMaximumSize(size);
    button.setMargin(new Insets(5, 4, 5, 4));
    toolbar.add(button);
}
 

public void addButton(AbstractButton button) {
    Icon icon = button.getIcon();
    Dimension size = new Dimension(icon.getIconWidth() + 6, icon.getIconHeight() + 10);
    button.setPreferredSize(size);
    button.setMargin(new Insets(5, 4, 5, 4));
    toolbar.add(button);
}
 

private void processButton(AbstractButton button) {
    removeButtonContentAreaAndBorder(button);
    button.setMargin(BUTTON_INSETS);
    if (button instanceof AbstractButton) {
        button.addMouseListener(sharedMouseListener);
    }
    //fix of issue #69642. Focus shouldn't stay in toolbar
    button.setFocusable(false);
}
 

private void processButton(AbstractButton button) {
    button.setContentAreaFilled(false);
    button.setBorderPainted(false);
    button.setMargin(BUTTON_INSETS);
    if (button instanceof AbstractButton) {
        button.addMouseListener(sharedMouseListener);
    }
    //Focus shouldn't stay in toolbar
    button.setFocusable(false);
}
 

public static void removeButtonDecorations(AbstractButton button)
{
	button.setBorderPainted(false);
	button.setContentAreaFilled(false);
	button.setFocusPainted(false);
	button.setMargin(new Insets(0, 0, 0, 0));
	button.setOpaque(false);
}
 

@Override
public void installButtonUI(AbstractButton button) {
	button.setUI(new ButtonUI());
	button.setBorder(null);
	button.setMargin(new Insets(0, 0, 0, 0));
	if ((button.getText() == null || "".equals(button.getText())) && button.getIcon() != null) {
		button.setPreferredSize(new Dimension((int) (button.getIcon().getIconWidth() * 1.45d), (int) (button.getIcon()
				.getIconHeight() * 1.45d)));
	}
}
 

private AbstractButton getImageButton( AbstractButton button, String iconPrefix, String iconSuffix ){
	button.setHorizontalTextPosition(JButton.CENTER);
	button.setVerticalTextPosition(JButton.CENTER);
	button.setBorderPainted( false );
	button.setContentAreaFilled( false );
	button.setFocusPainted( false );
	button.setMargin( new Insets(0,0,0,0) );
	button.setIcon( TGResourceUtils.loadIcon( iconPrefix + iconSuffix ) );
	button.setPressedIcon( TGResourceUtils.loadIcon( iconPrefix + "_pressed" + iconSuffix ) );
	button.setRolloverIcon( TGResourceUtils.loadIcon( iconPrefix + "_over" + iconSuffix ) );
	button.setSelectedIcon( TGResourceUtils.loadIcon( iconPrefix + "_selected" + iconSuffix ) );
	button.setRolloverSelectedIcon( TGResourceUtils.loadIcon( iconPrefix + "_selected_over" + iconSuffix ) );
	return button;
}
 

private static void processButton(AbstractButton button) {
    removeButtonContentAreaAndBorder(button);
    button.setMargin(BUTTON_INSETS);
    button.addMouseListener(sharedMouseListener);
    button.setFocusable(false);
}
 

/**
 * Update the style of the button.
 *
 * @param b the button.
 */
public void updateStyle(AbstractButton b) {
    SeaGlassContext context  = getContext(b, SynthConstants.ENABLED);
    SynthStyle      oldStyle = style;

    style = SeaGlassLookAndFeel.updateStyle(context, this);
    if (style != oldStyle) {
        if (b.getMargin() == null || (b.getMargin() instanceof UIResource)) {
            Insets margin = (Insets) style.get(context, getPropertyPrefix() + "margin");

            if (margin == null) {
                // Some places assume margins are non-null.
                margin = SeaGlassLookAndFeel.EMPTY_UIRESOURCE_INSETS;
            }

            b.setMargin(margin);
        }

        Object value = style.get(context, getPropertyPrefix() + "iconTextGap");

        if (value != null) {
            LookAndFeel.installProperty(b, "iconTextGap", value);
        }

        value = style.get(context, getPropertyPrefix() + "contentAreaFilled");
        LookAndFeel.installProperty(b, "contentAreaFilled", value != null ? value : Boolean.TRUE);

        value = b.getClientProperty(APPLE_PREFIX + "buttonType");
        if (value != null) {
            if ("segmented".equals(value)) {
                b.setMargin(SeaGlassLookAndFeel.EMPTY_UIRESOURCE_INSETS);
            }
        }

        if (oldStyle != null) {
            uninstallKeyboardActions(b);
            installKeyboardActions(b);
        }
    }

    context.dispose();
}
 

private AbstractButton setToolbarBtnMargin(AbstractButton btn)
{
	btn.setMargin(new Insets(4,3,4,3));
	return btn;
}