basiclookandfeel.java

java jdk 1.4的源码

/*
 * @(#)BasicLookAndFeel.java	1.208 03/01/23
 *
 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package javax.swing.plaf.basic;

import java.awt.Font;
import java.awt.Color;
import java.awt.SystemColor;
import java.awt.event.*;
import java.awt.Insets;
import java.awt.Component;
import java.awt.Container;
import java.awt.FocusTraversalPolicy;
import java.net.URL;
import java.io.*;
import java.awt.Dimension;
import java.awt.KeyboardFocusManager;
import java.util.*;
import java.lang.reflect.*;
import javax.sound.sampled.*;

import javax.swing.LookAndFeel;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.ImageIcon;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.KeyStroke;
import javax.swing.JTextField;
import javax.swing.DefaultListCellRenderer;
import javax.swing.FocusManager;
import javax.swing.LayoutFocusTraversalPolicy;
import javax.swing.SwingUtilities;
import javax.swing.border.*;
import javax.swing.plaf.*;
import javax.swing.text.JTextComponent;
import javax.swing.text.DefaultEditorKit;

/**
 * Implements the a standard base LookAndFeel class from which
 * standard desktop LookAndFeel classes (JLF, Mac, Windows, etc.)
 * can be derived.  This class cannot be instantiated directly,
 * however the UI classes "Basic" defines can be.
 * <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}.
 *
 * @version 1.208 01/23/03
 * @author unattributed
 */
public abstract class BasicLookAndFeel extends LookAndFeel implements Serializable
{
    /**
     * Lock used when manipulating clipPlaying.
     */
    private Object audioLock = new Object();
    /**
     * The Clip that is currently playing (set in AudioAction).
     */
    private Clip clipPlaying;


    public UIDefaults getDefaults() {
	UIDefaults table = new UIDefaults();

	initClassDefaults(table);
	initSystemColorDefaults(table);
	initComponentDefaults(table);

	return table;
    }

    /**
     * Initialize the uiClassID to BasicComponentUI mapping.
     * The JComponent classes define their own uiClassID constants
     * (see AbstractComponent.getUIClassID).  This table must
     * map those constants to a BasicComponentUI class of the
     * appropriate type.
     *
     * @see #getDefaults
     */
    protected void initClassDefaults(UIDefaults table)
    {
	String basicPackageName = "javax.swing.plaf.basic.";
	Object[] uiDefaults = {
		   "ButtonUI", basicPackageName + "BasicButtonUI",
		 "CheckBoxUI", basicPackageName + "BasicCheckBoxUI",
             "ColorChooserUI", basicPackageName + "BasicColorChooserUI",
       "FormattedTextFieldUI", basicPackageName + "BasicFormattedTextFieldUI",
		  "MenuBarUI", basicPackageName + "BasicMenuBarUI",
		     "MenuUI", basicPackageName + "BasicMenuUI",
		 "MenuItemUI", basicPackageName + "BasicMenuItemUI",
	 "CheckBoxMenuItemUI", basicPackageName + "BasicCheckBoxMenuItemUI",
      "RadioButtonMenuItemUI", basicPackageName + "BasicRadioButtonMenuItemUI",
	      "RadioButtonUI", basicPackageName + "BasicRadioButtonUI",
	     "ToggleButtonUI", basicPackageName + "BasicToggleButtonUI",
		"PopupMenuUI", basicPackageName + "BasicPopupMenuUI",
	      "ProgressBarUI", basicPackageName + "BasicProgressBarUI",
		"ScrollBarUI", basicPackageName + "BasicScrollBarUI",
	       "ScrollPaneUI", basicPackageName + "BasicScrollPaneUI",
		"SplitPaneUI", basicPackageName + "BasicSplitPaneUI",
		   "SliderUI", basicPackageName + "BasicSliderUI",
		"SeparatorUI", basicPackageName + "BasicSeparatorUI",
		  "SpinnerUI", basicPackageName + "BasicSpinnerUI",
	 "ToolBarSeparatorUI", basicPackageName + "BasicToolBarSeparatorUI",
       "PopupMenuSeparatorUI", basicPackageName + "BasicPopupMenuSeparatorUI",
	       "TabbedPaneUI", basicPackageName + "BasicTabbedPaneUI",
		 "TextAreaUI", basicPackageName + "BasicTextAreaUI",
		"TextFieldUI", basicPackageName + "BasicTextFieldUI",
	    "PasswordFieldUI", basicPackageName + "BasicPasswordFieldUI",
		 "TextPaneUI", basicPackageName + "BasicTextPaneUI",
               "EditorPaneUI", basicPackageName + "BasicEditorPaneUI",
		     "TreeUI", basicPackageName + "BasicTreeUI",
		    "LabelUI", basicPackageName + "BasicLabelUI",
		     "ListUI", basicPackageName + "BasicListUI",
		  "ToolBarUI", basicPackageName + "BasicToolBarUI",
		  "ToolTipUI", basicPackageName + "BasicToolTipUI",
		 "ComboBoxUI", basicPackageName + "BasicComboBoxUI",
		    "TableUI", basicPackageName + "BasicTableUI",
	      "TableHeaderUI", basicPackageName + "BasicTableHeaderUI",
	    "InternalFrameUI", basicPackageName + "BasicInternalFrameUI",
	      "DesktopPaneUI", basicPackageName + "BasicDesktopPaneUI",
	      "DesktopIconUI", basicPackageName + "BasicDesktopIconUI",
	       "OptionPaneUI", basicPackageName + "BasicOptionPaneUI",
	            "PanelUI", basicPackageName + "BasicPanelUI",
		 "ViewportUI", basicPackageName + "BasicViewportUI",
		 "RootPaneUI", basicPackageName + "BasicRootPaneUI",
	};

	table.putDefaults(uiDefaults);
    }

    /**
     * Load the SystemColors into the defaults table.  The keys
     * for SystemColor defaults are the same as the names of
     * the public fields in SystemColor.  If the table is being
     * created on a native Windows platform we use the SystemColor
     * values, otherwise we create color objects whose values match
     * the defaults Windows95 colors.
     */
    protected void initSystemColorDefaults(UIDefaults table)
    {
	String[] defaultSystemColors = {
  	        "desktop", "#005C5C", /* Color of the desktop background */
	  "activeCaption", "#000080", /* Color for captions (title bars) when they are active. */
      "activeCaptionText", "#FFFFFF", /* Text color for text in captions (title bars). */
    "activeCaptionBorder", "#C0C0C0", /* Border color for caption (title bar) window borders. */
        "inactiveCaption", "#808080", /* Color for captions (title bars) when not active. */
    "inactiveCaptionText", "#C0C0C0", /* Text color for text in inactive captions (title bars). */
  "inactiveCaptionBorder", "#C0C0C0", /* Border color for inactive caption (title bar) window borders. */
	         "window", "#FFFFFF", /* Default color for the interior of windows */
	   "windowBorder", "#000000", /* ??? */
	     "windowText", "#000000", /* ??? */
		   "menu", "#C0C0C0", /* Background color for menus */
	       "menuText", "#000000", /* Text color for menus  */
		   "text", "#C0C0C0", /* Text background color */
	       "textText", "#000000", /* Text foreground color */
	  "textHighlight", "#000080", /* Text background color when selected */
      "textHighlightText", "#FFFFFF", /* Text color when selected */
       "textInactiveText", "#808080", /* Text color when disabled */
	        "control", "#C0C0C0", /* Default color for controls (buttons, sliders, etc) */
	    "controlText", "#000000", /* Default color for text in controls */
       "controlHighlight", "#C0C0C0", /* Specular highlight (opposite of the shadow) */
     "controlLtHighlight", "#FFFFFF", /* Highlight color for controls */
	  "controlShadow", "#808080", /* Shadow color for controls */
        "controlDkShadow", "#000000", /* Dark shadow color for controls */
	      "scrollbar", "#E0E0E0", /* Scrollbar background (usually the "track") */
		   "info", "#FFFFE1", /* ??? */
	       "infoText", "#000000"  /* ??? */
	};

	loadSystemColors(table, defaultSystemColors, isNativeLookAndFeel());
    }


    /**
     * If this is the native look and feel the initial values for the
     * system color properties are the same as the SystemColor constants.
     * If not we use the integer color values in the <code>systemColors</code>
     * argument.
     */
    protected void loadSystemColors(UIDefaults table, String[] systemColors, boolean useNative)
    {
	/* PENDING(hmuller) We don't load the system colors below because
	 * they're not reliable.  Hopefully we'll be able to do better in
	 * a future version of AWT.
	 */
	if (useNative) {
	    for(int i = 0; i < systemColors.length; i += 2) {
		Color color = Color.black;
		try {
		    String name = systemColors[i];
		    color = (Color)(SystemColor.class.getField(name).get(null));
		} catch (Exception e) {
		}
		table.put(systemColors[i], new ColorUIResource(color));
	    }
	} else {
	    for(int i = 0; i < systemColors.length; i += 2) {
		Color color = Color.black;
		try {
		    color = Color.decode(systemColors[i + 1]);
		}
		catch(NumberFormatException e) {
		    e.printStackTrace();
		}
		table.put(systemColors[i], new ColorUIResource(color));
	    }
	}
    }
    /**
     * Initialize the defaults table with the name of the ResourceBundle
     * used for getting localized defaults.  Also initialize the default
     * locale used when no locale is passed into UIDefaults.get().  The
     * default locale should generally not be relied upon. It is here for
     * compatability with releases prior to 1.4.
     */
    private void initResourceBundle(UIDefaults table) {
        table.setDefaultLocale( Locale.getDefault() );
        table.addResourceBundle( "com.sun.swing.internal.plaf.basic.resources.basic" );
    }

    protected void initComponentDefaults(UIDefaults table)
    {

        initResourceBundle(table);

	// *** Shared Integers
	Integer fiveHundred = new Integer(500);

	// *** Shared Fonts
	Integer twelve = new Integer(12);
	Integer fontPlain = new Integer(Font.PLAIN);
	Integer fontBold = new Integer(Font.BOLD);
	Object dialogPlain12 = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.FontUIResource",
			  null,
			  new Object[] {"Dialog", fontPlain, twelve});
	Object serifPlain12 = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.FontUIResource",
			  null,
			  new Object[] {"Serif", fontPlain, twelve});
	Object sansSerifPlain12 =  new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.FontUIResource",
			  null,
			  new Object[] {"SansSerif", fontPlain, twelve});
	Object monospacedPlain12 = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.FontUIResource",
			  null,
			  new Object[] {"MonoSpaced", fontPlain, twelve});
	Object dialogBold12 = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.FontUIResource",
			  null,
			  new Object[] {"Dialog", fontBold, twelve});


	// *** Shared Colors
	ColorUIResource red = new ColorUIResource(Color.red);
	ColorUIResource black = new ColorUIResource(Color.black);
        ColorUIResource white = new ColorUIResource(Color.white);
	ColorUIResource yellow = new ColorUIResource(Color.yellow);
        ColorUIResource gray = new ColorUIResource(Color.gray);
	ColorUIResource lightGray = new ColorUIResource(Color.lightGray);
	ColorUIResource darkGray = new ColorUIResource(Color.darkGray);
	ColorUIResource scrollBarTrack = new ColorUIResource(224, 224, 224);

        // *** Shared Insets
        InsetsUIResource zeroInsets = new InsetsUIResource(0,0,0,0);

        // *** Shared Borders
	Object marginBorder = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.basic.BasicBorders$MarginBorder");
	Object etchedBorder = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.BorderUIResource",
			  "getEtchedBorderUIResource");
        Object loweredBevelBorder = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.BorderUIResource",
			  "getLoweredBevelBorderUIResource");
	
	Object popupMenuBorder = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.basic.BasicBorders",
			  "getInternalFrameBorder");

        Object blackLineBorder = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.BorderUIResource",
			  "getBlackLineBorderUIResource");
	Object focusCellHighlightBorder = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.BorderUIResource$LineBorderUIResource",
			  null,
			  new Object[] {yellow});


	Object tableHeaderBorder = new UIDefaults.ProxyLazyValue(
			  "javax.swing.plaf.BorderUIResource$BevelBorderUIResource",
			  null,
			  new Object[] { new Integer(BevelBorder.RAISED),