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Java Source | 1998-06-30 | 9.1 KB | 264 lines |
- /*
- * @(#)MetalComboBoxUI.java 1.10 98/04/21
- *
- * Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
- * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
- * THIS SOFTWARE OR ITS DERIVATIVES.
- *
- */
-
- package com.sun.java.swing.plaf.metal;
-
- import java.awt.*;
- import java.awt.event.*;
- import com.sun.java.swing.*;
- import com.sun.java.swing.plaf.*;
- import com.sun.java.swing.border.*;
- import com.sun.java.swing.plaf.basic.*;
- import java.io.Serializable;
- import java.beans.*;
-
-
- /**
- * Metal UI for JComboBox
- * <p>
- * 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 Swing1.0 applications. It will
- * not be possible to load serialized Swing1.0 objects with future releases
- * of Swing. The JDK1.2 release of Swing will be the compatibility
- * baseline for the serialized form of Swing objects.
- *
- * @see MetalComboBoxListCellRenderer
- * @see MetalPopupMenuBorder
- * @version 1.10 04/21/98
- * @author Tom Santos
- */
- public class MetalComboBoxUI extends BasicComboBoxUI {
-
- public static ComponentUI createUI(JComponent c) {
- return new MetalComboBoxUI();
- }
-
- public void installUI(JComponent c) {
- super.installUI(c);
- comboBox.setRequestFocusEnabled( false );
- }
-
- public void uninstallUI( JComponent c ) {
- super.uninstallUI( c );
- }
-
- public void paint(Graphics g, JComponent c) {
- }
-
- protected ComboPopup createPopup() {
- return new MetalComboPopup( comboBox );
- }
-
- protected JButton createArrowButton() {
- JButton button = new MetalComboBoxButton( comboBox,
- new MetalComboBoxIcon(),
- comboBox.isEditable() ? true : false,
- currentValuePane,
- listBox );
- button.setMargin( new Insets( 0, 1, 1, 3 ) );
- return button;
- }
-
- public PropertyChangeListener createPropertyChangeListener() {
- return new MetalPropertyChangeListener();
- }
-
- protected class MetalPropertyChangeListener extends ComboBoxPropertyChangeListener {
- public void propertyChange(PropertyChangeEvent e) {
- super.propertyChange( e );
-
- String propertyName = e.getPropertyName();
-
- if ( propertyName.equals( "editable" ) ) {
- editablePropertyChanged( e );
- }
- }
- }
-
- protected void editablePropertyChanged( PropertyChangeEvent e ) {
- if ( arrowButton instanceof MetalComboBoxButton ) {
- MetalComboBoxButton button = (MetalComboBoxButton)arrowButton;
- button.setIconOnly( comboBox.isEditable() );
- }
- }
-
- protected LayoutManager createLayoutManager() {
- return new MetalComboBoxLayoutManager();
- }
-
- protected class MetalComboBoxLayoutManager extends 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 1.1.6 comes out we
- // should move this into MetalComboBoxLayoutManager.
- public void layoutComboBox( Container parent, MetalComboBoxLayoutManager manager ) {
- if ( comboBox.isEditable() ) {
- manager.superLayout( parent );
- }
- else {
- if ( arrowButton != null ) {
- 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) );
- }
- }
- }
-
- public boolean isFocusTraversable() {
- return false;
- }
-
- protected void installListeners( JComponent c ) {
- comboBox.addItemListener( itemListener );
- comboBox.addPropertyChangeListener( propertyChangeListener );
- }
-
- protected void removeListeners( JComponent c ) {
- comboBox.removeItemListener( itemListener );
- comboBox.removePropertyChangeListener( propertyChangeListener );
- }
-
- public void configureEditor() {
- super.configureEditor();
- editor.removeKeyListener( popupKeyListener );
- }
-
- public void configureArrowButton() {
- if ( arrowButton != null ) {
- arrowButton.setRequestFocusEnabled( true );
- arrowButton.addKeyListener( keyListener );
- arrowButton.addKeyListener( popupKeyListener );
- arrowButton.addFocusListener( focusListener );
- arrowButton.addMouseListener( popupMouseListener );
- arrowButton.addMouseMotionListener( popupMouseMotionListener );
- }
- }
-
- public void unconfigureArrowButton() {
- if ( arrowButton != null ) {
- super.unconfigureArrowButton();
-
- arrowButton.removeKeyListener( keyListener );
- arrowButton.removeKeyListener( popupKeyListener );
- arrowButton.removeFocusListener( focusListener );
- }
- }
-
- public Dimension getMinimumSize( JComponent c ) {
- 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();
- Insets insets = comboBox.getInsets();
- if ( editor instanceof JComponent ) {
- Insets editorInsets = ((JComponent)editor).getInsets();
- size.height += editorInsets.top + editorInsets.bottom;
- }
- size.height += margin.top + margin.bottom;
- size.height += insets.top + insets.bottom;
- //size.height += 2; // This is to make editable combo boxes the same height as non-editable.
- }
- else {
- size = super.getMinimumSize( c );
- }
- return size;
- }
-
- protected void selectNextPossibleValue() { super.selectNextPossibleValue();}
- protected void selectPreviousPossibleValue() { super.selectPreviousPossibleValue();}
-
- protected void addKeyAccelerators(JComponent comp) {
- super.addKeyAccelerators( comp );
-
- final JComboBox cBox = comboBox;
- final JButton button = arrowButton;
-
- AbstractAction downAction = new AbstractAction() {
- public void actionPerformed(ActionEvent e) {
- selectNextPossibleValue();
- }
- public boolean isEnabled() {
- return cBox.isEnabled();
- }
- };
-
- button.registerKeyboardAction( downAction,
- KeyStroke.getKeyStroke(KeyEvent.VK_DOWN,0),
- JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
-
- AbstractAction upAction = new AbstractAction() {
- public void actionPerformed(ActionEvent e) {
- selectPreviousPossibleValue();
- }
- public boolean isEnabled() {
- return cBox.isEnabled();
- }
- };
-
- button.registerKeyboardAction( upAction,
- KeyStroke.getKeyStroke(KeyEvent.VK_UP,0),
- JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
- }
-
- protected void removeKeyAccelerators(JComponent comp) {
- super.removeKeyAccelerators( comp );
- comboBox.unregisterKeyboardAction(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN,0));
- comboBox.unregisterKeyboardAction(KeyStroke.getKeyStroke(KeyEvent.VK_UP,0));
- }
-
- protected static class MetalComboPopup extends BasicComboPopup {
- public MetalComboPopup( JComboBox cBox ) {
- super( cBox );
- }
-
- public void delegateFocus( MouseEvent e ) {}
- }
- }
-
-
-