MetalComboBoxButtonpublic class MetalComboBoxButton extends JButton | JButton subclass to help out MetalComboBoxUI
Warning:
Serialized objects of this class will not be compatible with
future Swing releases. The current serialization support is
appropriate for short term storage or RMI between applications running
the same version of Swing. As of 1.4, support for long term storage
of all JavaBeansTM
has been added to the java.beans package.
Please see {@link java.beans.XMLEncoder}. |
| Fields Summary |
|---|
| protected JComboBox | comboBox | | protected JList | listBox | | protected CellRendererPane | rendererPane | | protected Icon | comboIcon | | protected boolean | iconOnly |
| Constructors Summary |
|---|
MetalComboBoxButton()
super( "" );
DefaultButtonModel model = new DefaultButtonModel() {
public void setArmed( boolean armed ) {
super.setArmed( isPressed() ? true : armed );
}
};
setModel( model );
| public MetalComboBoxButton(JComboBox cb, Icon i, CellRendererPane pane, JList list)
this();
comboBox = cb;
comboIcon = i;
rendererPane = pane;
listBox = list;
setEnabled( comboBox.isEnabled() );
| public MetalComboBoxButton(JComboBox cb, Icon i, boolean onlyIcon, CellRendererPane pane, JList list)
this( cb, i, pane, list );
iconOnly = onlyIcon;
|
| Methods Summary |
|---|
| public final javax.swing.JComboBox | getComboBox()
return comboBox;
| | public final javax.swing.Icon | getComboIcon() return comboIcon;
| | public boolean | isFocusTraversable()
return false;
| | public final boolean | isIconOnly() return iconOnly;
| | public void | paintComponent(java.awt.Graphics g)
boolean leftToRight = MetalUtils.isLeftToRight(comboBox);
// Paint the button as usual
super.paintComponent( g );
Insets insets = getInsets();
int width = getWidth() - (insets.left + insets.right);
int height = getHeight() - (insets.top + insets.bottom);
if ( height <= 0 || width <= 0 ) {
return;
}
int left = insets.left;
int top = insets.top;
int right = left + (width - 1);
int bottom = top + (height - 1);
int iconWidth = 0;
int iconLeft = (leftToRight) ? right : left;
// Paint the icon
if ( comboIcon != null ) {
iconWidth = comboIcon.getIconWidth();
int iconHeight = comboIcon.getIconHeight();
int iconTop = 0;
if ( iconOnly ) {
iconLeft = (getWidth() / 2) - (iconWidth / 2);
iconTop = (getHeight() / 2) - (iconHeight / 2);
}
else {
if (leftToRight) {
iconLeft = (left + (width - 1)) - iconWidth;
}
else {
iconLeft = left;
}
iconTop = (top + ((bottom - top) / 2)) - (iconHeight / 2);
}
comboIcon.paintIcon( this, g, iconLeft, iconTop );
// Paint the focus
if ( comboBox.hasFocus() && (!MetalLookAndFeel.usingOcean() ||
comboBox.isEditable())) {
g.setColor( MetalLookAndFeel.getFocusColor() );
g.drawRect( left - 1, top - 1, width + 3, height + 1 );
}
}
if (MetalLookAndFeel.usingOcean()) {
// With Ocean the button only paints the arrow, bail.
return;
}
// Let the renderer paint
if ( ! iconOnly && comboBox != null ) {
ListCellRenderer renderer = comboBox.getRenderer();
Component c;
boolean renderPressed = getModel().isPressed();
c = renderer.getListCellRendererComponent(listBox,
comboBox.getSelectedItem(),
-1,
renderPressed,
false);
c.setFont(rendererPane.getFont());
if ( model.isArmed() && model.isPressed() ) {
if ( isOpaque() ) {
c.setBackground(UIManager.getColor("Button.select"));
}
c.setForeground(comboBox.getForeground());
}
else if ( !comboBox.isEnabled() ) {
if ( isOpaque() ) {
c.setBackground(UIManager.getColor("ComboBox.disabledBackground"));
}
c.setForeground(UIManager.getColor("ComboBox.disabledForeground"));
}
else {
c.setForeground(comboBox.getForeground());
c.setBackground(comboBox.getBackground());
}
int cWidth = width - (insets.right + iconWidth);
// Fix for 4238829: should lay out the JPanel.
boolean shouldValidate = false;
if (c instanceof JPanel) {
shouldValidate = true;
}
if (leftToRight) {
rendererPane.paintComponent( g, c, this,
left, top, cWidth, height, shouldValidate );
}
else {
rendererPane.paintComponent( g, c, this,
left + iconWidth, top, cWidth, height, shouldValidate );
}
}
| | public final void | setComboBox(javax.swing.JComboBox cb) comboBox = cb;
| | public final void | setComboIcon(javax.swing.Icon i) comboIcon = i;
| | public void | setEnabled(boolean enabled)
super.setEnabled(enabled);
// Set the background and foreground to the combobox colors.
if (enabled) {
setBackground(comboBox.getBackground());
setForeground(comboBox.getForeground());
} else {
setBackground(UIManager.getColor("ComboBox.disabledBackground"));
setForeground(UIManager.getColor("ComboBox.disabledForeground"));
}
| | public final void | setIconOnly(boolean isIconOnly) iconOnly = isIconOnly;
|
|
