- /*
- * @(#)SynthComboBoxUI.java 1.15 03/12/19
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package javax.swing.plaf.synth;
-
- import java.awt.*;
- import java.awt.event.*;
- import java.lang.reflect.*;
- import javax.swing.*;
- import javax.accessibility.*;
- import javax.swing.FocusManager;
- import javax.swing.plaf.*;
- import javax.swing.border.*;
- import javax.swing.text.*;
- import javax.swing.event.*;
- import javax.swing.plaf.basic.*;
- import java.beans.PropertyChangeListener;
- import java.beans.PropertyChangeEvent;
- import sun.awt.AppContext;
- import sun.swing.plaf.synth.SynthUI;
-
- /**
- * Synth's ComboBoxUI.
- *
- * @version 1.15, 12/19/03
- * @author Scott Violet
- */
- class SynthComboBoxUI extends BasicComboBoxUI implements
- PropertyChangeListener, SynthUI {
- private SynthStyle style;
- private boolean useListColors;
-
- public static ComponentUI createUI(JComponent c) {
- return new SynthComboBoxUI();
- }
-
- protected void installDefaults() {
- updateStyle(comboBox);
- }
-
- private void updateStyle(JComboBox comboBox) {
- SynthStyle oldStyle = style;
- SynthContext context = getContext(comboBox, ENABLED);
-
- style = SynthLookAndFeel.updateStyle(context, this);
- if (style != oldStyle) {
- useListColors = style.getBoolean(context,
- "ComboBox.rendererUseListColors", true);
- if (oldStyle != null) {
- uninstallKeyboardActions();
- installKeyboardActions();
- }
- }
- context.dispose();
- }
-
- protected void installListeners() {
- comboBox.addPropertyChangeListener(this);
- super.installListeners();
- }
-
- protected void uninstallDefaults() {
- SynthContext context = getContext(comboBox, ENABLED);
-
- style.uninstallDefaults(context);
- context.dispose();
- style = null;
- }
-
- protected void uninstallListeners() {
- comboBox.removePropertyChangeListener(this);
- super.uninstallListeners();
- }
-
- public SynthContext getContext(JComponent c) {
- return getContext(c, getComponentState(c));
- }
-
- private SynthContext getContext(JComponent c, int state) {
- return SynthContext.getContext(SynthContext.class, c,
- SynthLookAndFeel.getRegion(c), style, state);
- }
-
- private Region getRegion(JComponent c) {
- return SynthLookAndFeel.getRegion(c);
- }
-
- private int getComponentState(JComponent c) {
- return SynthLookAndFeel.getComponentState(c);
- }
-
- protected ComboPopup createPopup() {
- SynthComboPopup popup = new SynthComboPopup( comboBox );
- return popup;
- }
-
- protected ListCellRenderer createRenderer() {
- return new SynthComboBoxRenderer();
- }
-
- protected ComboBoxEditor createEditor() {
- return new SynthComboBoxEditor();
- }
-
- //
- // end UI Initialization
- //======================
-
-
- public void propertyChange(PropertyChangeEvent e) {
- if (SynthLookAndFeel.shouldUpdateStyle(e)) {
- updateStyle(comboBox);
- }
- }
-
- protected JButton createArrowButton() {
- SynthArrowButton button = new SynthArrowButton(SwingConstants.SOUTH);
- button.setName("ComboBox.arrowButton");
- return button;
- }
-
- //=================================
- // begin ComponentUI Implementation
-
- public void update(Graphics g, JComponent c) {
- SynthContext context = getContext(c);
-
- SynthLookAndFeel.update(context, g);
- context.getPainter().paintComboBoxBackground(context, g, 0, 0,
- c.getWidth(), c.getHeight());
- paint(context, g);
- context.dispose();
- }
-
- public void paint(Graphics g, JComponent c) {
- SynthContext context = getContext(c);
-
- paint(context, g);
- context.dispose();
- }
-
- protected void paint(SynthContext context, Graphics g) {
- hasFocus = comboBox.hasFocus();
- if ( !comboBox.isEditable() ) {
- Rectangle r = rectangleForCurrentValue();
- paintCurrentValue(g,r,hasFocus);
- }
- }
-
- public void paintBorder(SynthContext context, Graphics g, int x,
- int y, int w, int h) {
- context.getPainter().paintComboBoxBorder(context, g, x, y, w, h);
- }
-
-
- /**
- * Paints the currently selected item.
- */
- public void paintCurrentValue(Graphics g,Rectangle bounds,boolean hasFocus) {
- ListCellRenderer renderer = comboBox.getRenderer();
- Component c;
-
- if ( hasFocus && !isPopupVisible(comboBox) ) {
- c = renderer.getListCellRendererComponent( listBox,
- comboBox.getSelectedItem(),
- -1,
- false,
- false );
- }
- else {
- c = renderer.getListCellRendererComponent( listBox,
- comboBox.getSelectedItem(),
- -1,
- false,
- false );
- }
- // Fix for 4238829: should lay out the JPanel.
- boolean shouldValidate = false;
- if (c instanceof JPanel) {
- shouldValidate = true;
- }
-
- if (c instanceof UIResource) {
- c.setName("ComboBox.renderer");
- currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y,
- bounds.width,bounds.height, shouldValidate);
- }
- else {
- currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y,
- bounds.width,bounds.height, shouldValidate);
- }
- }
-
- /**
- * From BasicComboBoxRenderer v 1.18.
- */
- private class SynthComboBoxRenderer extends JLabel implements ListCellRenderer, UIResource {
- public SynthComboBoxRenderer() {
- super();
- setText(" ");
- }
-
- public String getName() {
- // As SynthComboBoxRenderer's are asked for a size BEFORE they
- // are parented getName is overriden to force the name to be
- // ComboBox.renderer if it isn't set. If we didn't do this the
- // wrong style could be used for size calculations.
- String name = super.getName();
- if (name == null) {
- return "ComboBox.renderer";
- }
- return name;
- }
-
- public Component getListCellRendererComponent(JList list, Object value,
- int index, boolean isSelected, boolean cellHasFocus) {
- setName("ComboBox.listRenderer");
- SynthLookAndFeel.resetSelectedUI();
- if (isSelected) {
- setBackground(list.getSelectionBackground());
- setForeground(list.getSelectionForeground());
- if (!useListColors) {
- SynthLookAndFeel.setSelectedUI(
- (SynthLabelUI)SynthLookAndFeel.getUIOfType(getUI(),
- SynthLabelUI.class), isSelected, cellHasFocus,
- list.isEnabled());
- }
- }
- else {
- setBackground(list.getBackground());
- setForeground(list.getForeground());
- }
-
- setFont(list.getFont());
-
- if (value instanceof Icon) {
- setIcon((Icon)value);
- setText("");
- }
- else {
- String text = (value == null) ? " " : value.toString();
-
- if ("".equals(text)) {
- text = " ";
- }
- setText(text);
- }
- return this;
- }
-
- public void paint(Graphics g) {
- super.paint(g);
- SynthLookAndFeel.resetSelectedUI();
- }
- }
-
-
- /**
- * From BasicCombBoxEditor v 1.24.
- */
- private static class SynthComboBoxEditor implements
- ComboBoxEditor, UIResource {
- protected JTextField editor;
- private Object oldValue;
-
- public SynthComboBoxEditor() {
- editor = new JTextField("",9);
- editor.setName("ComboBox.textField");
- }
-
- public Component getEditorComponent() {
- return editor;
- }
-
- /**
- * Sets the item that should be edited.
- *
- * @param anObject the displayed value of the editor
- */
- public void setItem(Object anObject) {
- String text;
-
- if ( anObject != null ) {
- text = anObject.toString();
- oldValue = anObject;
- } else {
- text = "";
- }
- // workaround for 4530952
- if (!text.equals(editor.getText())) {
- editor.setText(text);
- }
- }
-
- public Object getItem() {
- Object newValue = editor.getText();
-
- if (oldValue != null && !(oldValue instanceof String)) {
- // The original value is not a string. Should return the value in it's
- // original type.
- if (newValue.equals(oldValue.toString())) {
- return oldValue;
- } else {
- // Must take the value from the editor and get the value and cast it to the new type.
- Class cls = oldValue.getClass();
- try {
- Method method = cls.getMethod("valueOf", new Class[]{String.class});
- newValue = method.invoke(oldValue, new Object[] { editor.getText()});
- } catch (Exception ex) {
- // Fail silently and return the newValue (a String object)
- }
- }
- }
- return newValue;
- }
-
- public void selectAll() {
- editor.selectAll();
- editor.requestFocus();
- }
-
- public void addActionListener(ActionListener l) {
- editor.addActionListener(l);
- }
-
- public void removeActionListener(ActionListener l) {
- editor.removeActionListener(l);
- }
- }
- }