/*
* @(#)BasicColorChooserUI.java 1.46 03/12/19
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.swing.plaf.basic;
import javax.swing.*;
import javax.swing.colorchooser.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.plaf.*;
import java.util.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.Serializable;
import sun.swing.DefaultLookup;
import sun.swing.UIAction;
/**
* Provides the basic look and feel for a JColorChooser.
* <p>
* @version 1.46 12/19/03
* @author Tom Santos
* @author Steve Wilson
*/
public class BasicColorChooserUI extends ColorChooserUI
{
/**
* JColorChooser this BasicColorChooserUI is installed on.
*
* @since 1.5
*/
protected JColorChooser chooser;
JTabbedPane tabbedPane;
JPanel singlePanel;
JPanel previewPanelHolder;
JComponent previewPanel;
boolean isMultiPanel = false;
private static TransferHandler defaultTransferHandler = new ColorTransferHandler();
protected AbstractColorChooserPanel[] defaultChoosers;
protected ChangeListener previewListener;
protected PropertyChangeListener propertyChangeListener;
private Handler handler;
public static ComponentUI createUI(JComponent c) {
return new BasicColorChooserUI();
}
protected AbstractColorChooserPanel[] createDefaultChoosers() {
AbstractColorChooserPanel[] panels = ColorChooserComponentFactory.getDefaultChooserPanels();
return panels;
}
protected void uninstallDefaultChoosers() {
AbstractColorChooserPanel[] choosers = chooser.getChooserPanels();
for( int i = 0 ; i < choosers.length; i++) {
chooser.removeChooserPanel( choosers[i] );
}
}
public void installUI( JComponent c ) {
chooser = (JColorChooser)c;
super.installUI( c );
installDefaults();
installListeners();
tabbedPane = new JTabbedPane();
tabbedPane.setName("ColorChooser.tabPane");
singlePanel = new JPanel(new CenterLayout());
singlePanel.setName("ColorChooser.panel");
chooser.setLayout( new BorderLayout() );
defaultChoosers = createDefaultChoosers();
chooser.setChooserPanels(defaultChoosers);
previewPanelHolder = new JPanel(new CenterLayout());
previewPanelHolder.setName("ColorChooser.previewPanelHolder");
if (DefaultLookup.getBoolean(chooser, this,
"ColorChooser.showPreviewPanelText", true)) {
String previewString = UIManager.getString(
"ColorChooser.previewText", chooser.getLocale());
previewPanelHolder.setBorder(new TitledBorder(previewString));
}
chooser.add(previewPanelHolder, BorderLayout.SOUTH);
installPreviewPanel();
chooser.applyComponentOrientation(c.getComponentOrientation());
}
public void uninstallUI( JComponent c ) {
chooser.remove(tabbedPane);
chooser.remove(singlePanel);
chooser.remove(previewPanelHolder);
uninstallDefaultChoosers();
uninstallListeners();
uninstallDefaults();
previewPanelHolder.remove(previewPanel);
if (previewPanel instanceof UIResource) {
chooser.setPreviewPanel(null);
}
previewPanelHolder = null;
previewPanel = null;
defaultChoosers = null;
chooser = null;
tabbedPane = null;
handler = null;
}
protected void installPreviewPanel() {
if (previewPanel != null) {
previewPanelHolder.remove(previewPanel);
previewPanel.removeMouseListener(getHandler());
}
previewPanel = chooser.getPreviewPanel();
Dimension layoutSize = new Dimension(); // fix for bug 4759306
if (previewPanel != null) {
layoutSize = new BorderLayout().minimumLayoutSize(previewPanel);
if ((previewPanelHolder != null) && (chooser != null) &&
(layoutSize.getWidth() + layoutSize.getHeight() == 0)) {
chooser.remove(previewPanelHolder);
return;
}
}
if (previewPanel == null || previewPanel instanceof UIResource) {
previewPanel = ColorChooserComponentFactory.getPreviewPanel(); // get from table?
chooser.setPreviewPanel(previewPanel);
}
previewPanel.setForeground(chooser.getColor());
previewPanelHolder.add(previewPanel);
previewPanel.addMouseListener(getHandler());
}
protected void installDefaults() {
LookAndFeel.installColorsAndFont(chooser, "ColorChooser.background",
"ColorChooser.foreground",
"ColorChooser.font");
LookAndFeel.installProperty(chooser, "opaque", Boolean.TRUE);
TransferHandler th = chooser.getTransferHandler();
if (th == null || th instanceof UIResource) {
chooser.setTransferHandler(defaultTransferHandler);
}
}
protected void uninstallDefaults() {
if (chooser.getTransferHandler() instanceof UIResource) {
chooser.setTransferHandler(null);
}
}
protected void installListeners() {
propertyChangeListener = createPropertyChangeListener();
chooser.addPropertyChangeListener( propertyChangeListener );
previewListener = getHandler();
chooser.getSelectionModel().addChangeListener(previewListener);
}
private Handler getHandler() {
if (handler == null) {
handler = new Handler();
}
return handler;
}
protected PropertyChangeListener createPropertyChangeListener() {
return getHandler();
}
protected void uninstallListeners() {
chooser.removePropertyChangeListener( propertyChangeListener );
chooser.getSelectionModel().removeChangeListener(previewListener);
previewPanel.removeMouseListener(getHandler());
}
private class Handler implements ChangeListener, MouseListener,
PropertyChangeListener {
//
// ChangeListener
//
public void stateChanged(ChangeEvent evt) {
ColorSelectionModel model = (ColorSelectionModel)evt.getSource();
if (previewPanel != null) {
previewPanel.setForeground(model.getSelectedColor());
previewPanel.repaint();
}
}
//
// MouseListener
public void mousePressed(MouseEvent evt) {
if (chooser.getDragEnabled()) {
TransferHandler th = chooser.getTransferHandler();
th.exportAsDrag(chooser, evt, TransferHandler.COPY);
}
}
public void mouseReleased(MouseEvent evt) {}
public void mouseClicked(MouseEvent evt) {}
public void mouseEntered(MouseEvent evt) {}
public void mouseExited(MouseEvent evt) {}
//
// PropertyChangeListener
//
public void propertyChange(PropertyChangeEvent evt) {
String prop = evt.getPropertyName();
if (prop == JColorChooser.CHOOSER_PANELS_PROPERTY) {
AbstractColorChooserPanel[] oldPanels =
(AbstractColorChooserPanel[])evt.getOldValue();
AbstractColorChooserPanel[] newPanels =
(AbstractColorChooserPanel[])evt.getNewValue();
for (int i = 0; i < oldPanels.length; i++) { // remove old panels
Container wrapper = oldPanels[i].getParent();
if (wrapper != null) {
Container parent = wrapper.getParent();
if (parent != null)
parent.remove(wrapper); // remove from hierarchy
oldPanels[i].uninstallChooserPanel(chooser); // uninstall
}
}
int numNewPanels = newPanels.length;
if (numNewPanels == 0) { // removed all panels and added none
chooser.remove(tabbedPane);
return;
}
else if (numNewPanels == 1) { // one panel case
chooser.remove(tabbedPane);
JPanel centerWrapper = new JPanel( new CenterLayout() );
centerWrapper.add(newPanels[0]);
singlePanel.add(centerWrapper, BorderLayout.CENTER);
chooser.add(singlePanel);
}
else { // multi-panel case
if ( oldPanels.length < 2 ) {// moving from single to multiple
chooser.remove(singlePanel);
chooser.add(tabbedPane, BorderLayout.CENTER);
}
for (int i = 0; i < newPanels.length; i++) {
JPanel centerWrapper = new JPanel( new CenterLayout() );
String name = newPanels[i].getDisplayName();
int mnemonic = newPanels[i].getMnemonic();
centerWrapper.add(newPanels[i]);
tabbedPane.addTab(name, centerWrapper);
if (mnemonic > 0) {
tabbedPane.setMnemonicAt(i, mnemonic);
tabbedPane.setDisplayedMnemonicIndexAt(
i, newPanels[i].getDisplayedMnemonicIndex());
}
}
}
chooser.applyComponentOrientation(chooser.getComponentOrientation());
for (int i = 0; i < newPanels.length; i++) {
newPanels[i].installChooserPanel(chooser);
}
}
if (prop == JColorChooser.PREVIEW_PANEL_PROPERTY) {
if (evt.getNewValue() != previewPanel) {
installPreviewPanel();
}
}
if (prop == "componentOrientation") {
ComponentOrientation o =
(ComponentOrientation)evt.getNewValue();
JColorChooser cc = (JColorChooser)evt.getSource();
if (o != (ComponentOrientation)evt.getOldValue()) {
cc.applyComponentOrientation(o);
cc.updateUI();
}
}
}
}
/**
* 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 <Foo>.
*/
public class PropertyHandler implements PropertyChangeListener {
public void propertyChange(PropertyChangeEvent e) {
getHandler().propertyChange(e);
}
}
static class ColorTransferHandler extends TransferHandler implements UIResource {
ColorTransferHandler() {
super("color");
}
}
}
|
