- /*
- * @(#)MetalComboBoxUI.java 1.49 04/05/18
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package javax.swing.plaf.metal;
-
- import java.awt.*;
- import java.awt.event.*;
- import javax.swing.*;
- import javax.swing.plaf.*;
- import javax.swing.border.*;
- import javax.swing.plaf.basic.*;
- import java.io.Serializable;
- import java.beans.*;
-
-
- /**
- * Metal UI for JComboBox
- * <p>
- * <strong>Warning:</strong>
- * 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 JavaBeans<sup><font size="-2">TM</font></sup>
- * has been added to the <code>java.beans</code> package.
- * Please see {@link java.beans.XMLEncoder}.
- *
- * @see MetalComboBoxEditor
- * @see MetalComboBoxButton
- * @version 1.49 05/18/04
- * @author Tom Santos
- */
- public class MetalComboBoxUI extends BasicComboBoxUI {
-
- public static ComponentUI createUI(JComponent c) {
- return new MetalComboBoxUI();
- }
-
- public void paint(Graphics g, JComponent c) {
- if (MetalLookAndFeel.usingOcean()) {
- super.paint(g, c);
- }
- }
-
- /**
- * If necessary paints the currently selected item.
- *
- * @param g Graphics to paint to
- * @param bounds Region to paint current value to
- * @param hasFocus whether or not the JComboBox has focus
- * @throws NullPointerException if any of the arguments are null.
- * @since 1.5
- */
- public void paintCurrentValue(Graphics g, Rectangle bounds,
- boolean hasFocus) {
- // This is really only called if we're using ocean.
- if (MetalLookAndFeel.usingOcean()) {
- bounds.x += 2;
- bounds.y += 2;
- bounds.width -= 3;
- bounds.height -= 4;
- super.paintCurrentValue(g, bounds, hasFocus);
- }
- else if (g == null || bounds == null) {
- throw new NullPointerException(
- "Must supply a non-null Graphics and Rectangle");
- }
- }
-
- /**
- * If necessary paints the background of the currently selected item.
- *
- * @param g Graphics to paint to
- * @param bounds Region to paint background to
- * @param hasFocus whether or not the JComboBox has focus
- * @throws NullPointerException if any of the arguments are null.
- * @since 1.5
- */
- public void paintCurrentValueBackground(Graphics g, Rectangle bounds,
- boolean hasFocus) {
- // This is really only called if we're using ocean.
- if (MetalLookAndFeel.usingOcean()) {
- g.setColor(MetalLookAndFeel.getControlDarkShadow());
- g.drawRect(bounds.x, bounds.y, bounds.width, bounds.height - 1);
- g.setColor(MetalLookAndFeel.getControlShadow());
- g.drawRect(bounds.x + 1, bounds.y + 1, bounds.width - 2,
- bounds.height - 3);
- }
- else if (g == null || bounds == null) {
- throw new NullPointerException(
- "Must supply a non-null Graphics and Rectangle");
- }
- }
-
- protected ComboBoxEditor createEditor() {
- return new MetalComboBoxEditor.UIResource();
- }
-
- protected ComboPopup createPopup() {
- return super.createPopup();
- }
-
- protected JButton createArrowButton() {
- boolean iconOnly = (comboBox.isEditable() ||
- MetalLookAndFeel.usingOcean());
- JButton button = new MetalComboBoxButton( comboBox,
- new MetalComboBoxIcon(),
- iconOnly,
- currentValuePane,
- listBox );
- button.setMargin( new Insets( 0, 1, 1, 3 ) );
- if (MetalLookAndFeel.usingOcean()) {
- // Disabled rollover effect.
- button.putClientProperty(MetalBorders.NO_BUTTON_ROLLOVER,
- Boolean.TRUE);
- }
- updateButtonForOcean(button);
- return button;
- }
-
- /**
- * Resets the necessary state on the ComboBoxButton for ocean.
- */
- private void updateButtonForOcean(JButton button) {
- if (MetalLookAndFeel.usingOcean()) {
- // Ocean renders the focus in a different way, this
- // would be redundant.
- button.setFocusPainted(comboBox.isEditable());
- }
- }
-
- public PropertyChangeListener createPropertyChangeListener() {
- return new MetalPropertyChangeListener();
- }
-
- /**
- * This inner class is marked "public" due to a compiler bug.
- * This class should be treated as a "protected" inner class.
- * Instantiate it only within subclasses of <FooUI>.
- */
- public class MetalPropertyChangeListener extends BasicComboBoxUI.PropertyChangeHandler {
- public void propertyChange(PropertyChangeEvent e) {
- super.propertyChange( e );
- String propertyName = e.getPropertyName();
-
- if ( propertyName == "editable" ) {
- MetalComboBoxButton button = (MetalComboBoxButton)arrowButton;
- button.setIconOnly( comboBox.isEditable() ||
- MetalLookAndFeel.usingOcean() );
- comboBox.repaint();
- updateButtonForOcean(button);
- } else if ( propertyName == "background" ) {
- Color color = (Color)e.getNewValue();
- arrowButton.setBackground(color);
- listBox.setBackground(color);
-
- } else if ( propertyName == "foreground" ) {
- Color color = (Color)e.getNewValue();
- arrowButton.setForeground(color);
- listBox.setForeground(color);
- }
- }
- }
-
- /**
- * As of Java 2 platform v1.4 this method is no longer used. Do not call or
- * override. All the functionality of this method is in the
- * MetalPropertyChangeListener.
- *
- * @deprecated As of Java 2 platform v1.4.
- */
- @Deprecated
- protected void editablePropertyChanged( PropertyChangeEvent e ) { }
-
- protected LayoutManager createLayoutManager() {
- return new MetalComboBoxLayoutManager();
- }
-
- /**
- * This inner class is marked "public" due to a compiler bug.
- * This class should be treated as a "protected" inner class.
- * Instantiate it only within subclasses of <FooUI>.
- */
- public class MetalComboBoxLayoutManager extends BasicComboBoxUI.ComboBoxLayoutManager {
- public void layoutContainer( Container parent ) {
- layoutComboBox( parent, this );
- }
- public void superLayout( Container parent ) {
- super.layoutContainer( parent );
- }
- }
-
- // This is here because of a bug in the compiler.
- // When a protected-inner-class-savvy compiler comes out we
- // should move this into MetalComboBoxLayoutManager.
- public void layoutComboBox( Container parent, MetalComboBoxLayoutManager manager ) {
- if (comboBox.isEditable() && !MetalLookAndFeel.usingOcean()) {
- manager.superLayout( parent );
- return;
- }
-
- if (arrowButton != null) {
- if (MetalLookAndFeel.usingOcean() &&
- (arrowButton instanceof MetalComboBoxButton)) {
- Icon icon = ((MetalComboBoxButton)arrowButton).getComboIcon();
- Insets buttonInsets = arrowButton.getInsets();
- Insets insets = comboBox.getInsets();
- int buttonWidth = icon.getIconWidth() + buttonInsets.left +
- buttonInsets.right;
- arrowButton.setBounds(MetalUtils.isLeftToRight(comboBox)
- ? (comboBox.getWidth() - insets.right - buttonWidth)
- : insets.left,
- insets.top, buttonWidth,
- comboBox.getHeight() - insets.top - insets.bottom);
- }
- else {
- Insets insets = comboBox.getInsets();
- int width = comboBox.getWidth();
- int height = comboBox.getHeight();
- arrowButton.setBounds( insets.left, insets.top,
- width - (insets.left + insets.right),
- height - (insets.top + insets.bottom) );
- }
- }
-
- if (editor != null && MetalLookAndFeel.usingOcean()) {
- Rectangle cvb = rectangleForCurrentValue();
- editor.setBounds(cvb);
- }
- }
-
- /**
- * As of Java 2 platform v1.4 this method is no
- * longer used.
- *
- * @deprecated As of Java 2 platform v1.4.
- */
- @Deprecated
- protected void removeListeners() {
- if ( propertyChangeListener != null ) {
- comboBox.removePropertyChangeListener( propertyChangeListener );
- }
- }
-
- // These two methods were overloaded and made public. This was probably a
- // mistake in the implementation. The functionality that they used to
- // provide is no longer necessary and should be removed. However,
- // removing them will create an uncompatible API change.
-
- public void configureEditor() {
- super.configureEditor();
- }
-
- public void unconfigureEditor() {
- super.unconfigureEditor();
- }
-
- public Dimension getMinimumSize( JComponent c ) {
- if ( !isMinimumSizeDirty ) {
- return new Dimension( cachedMinimumSize );
- }
-
- Dimension size = null;
-
- if ( !comboBox.isEditable() &&
- arrowButton != null &&
- arrowButton instanceof MetalComboBoxButton ) {
-
- MetalComboBoxButton button = (MetalComboBoxButton)arrowButton;
- Insets buttonInsets = button.getInsets();
- Insets insets = comboBox.getInsets();
-
- size = getDisplaySize();
- size.width += insets.left + insets.right;
- size.width += buttonInsets.left + buttonInsets.right;
- size.width += buttonInsets.right + button.getComboIcon().getIconWidth();
- size.height += insets.top + insets.bottom;
- size.height += buttonInsets.top + buttonInsets.bottom;
- }
- else if ( comboBox.isEditable() &&
- arrowButton != null &&
- editor != null ) {
- size = super.getMinimumSize( c );
- Insets margin = arrowButton.getMargin();
- size.height += margin.top + margin.bottom;
- size.width += margin.left + margin.right;
- }
- else {
- size = super.getMinimumSize( c );
- }
-
- cachedMinimumSize.setSize( size.width, size.height );
- isMinimumSizeDirty = false;
-
- return new Dimension( cachedMinimumSize );
- }
-
- /**
- * This inner class is marked "public" due to a compiler bug.
- * This class should be treated as a "protected" inner class.
- * Instantiate it only within subclasses of <FooUI>.
- *
- * This class is now obsolete and doesn't do anything and
- * is only included for backwards API compatibility. Do not call or
- * override.
- *
- * @deprecated As of Java 2 platform v1.4.
- */
- @Deprecated
- public class MetalComboPopup extends BasicComboPopup {
-
- public MetalComboPopup( JComboBox cBox) {
- super( cBox );
- }
-
- // This method was overloaded and made public. This was probably
- // mistake in the implementation. The functionality that they used to
- // provide is no longer necessary and should be removed. However,
- // removing them will create an uncompatible API change.
-
- public void delegateFocus(MouseEvent e) {
- super.delegateFocus(e);
- }
- }
- }
-
-