JDK 1.1 Source Code Directory

JDK 1.1 source code directory contains Java source code for JDK 1.1 core classes: "C:\fyicenter\jdk-1.1.8\src".

Here is the list of Java classes of the JDK 1.1 source code:

✍: FYIcenter

java/awt/event/ComponentEvent.java

/*
 * @(#)ComponentEvent.java	1.16 01/12/10
 *
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package java.awt.event;

import java.awt.AWTEvent;
import java.awt.Event;
import java.awt.Component;
import java.awt.Rectangle;

/**
 * The root event class for all component-level events.
 * These events are provided for notification purposes ONLY;
 * The AWT will automatically handle component moves and resizes
 * internally so that GUI layout works properly regardless of
 * whether a program is receiving these events or not.
 *
 * @see ComponentListener
 *
 * @version 1.16 12/10/01
 * @author Carl Quinn
 */
public class ComponentEvent extends AWTEvent {

    /**
     * Marks the first integer id for the range of component event ids.
     */
    public static final int COMPONENT_FIRST		= 100;

    /**
     * Marks the last integer id for the range of component event ids.
     */
    public static final int COMPONENT_LAST		= 103;

   /**
     * The component moved event type.
     */
    public static final int COMPONENT_MOVED	= COMPONENT_FIRST;

    /**
     * The component resized event type.
     */
    public static final int COMPONENT_RESIZED	= 1 + COMPONENT_FIRST;

    /**
     * The component shown event type.
     */
    public static final int COMPONENT_SHOWN	= 2 + COMPONENT_FIRST;

    /**
     * The component hidden event type.
     */
    public static final int COMPONENT_HIDDEN	= 3 + COMPONENT_FIRST;

    /*
     * JDK 1.1 serialVersionUID 
     */
    private static final long serialVersionUID = 8101406823902992965L;

    /**
     * Constructs a ComponentEvent object with the specified source component 
     * and type.
     * @param source the component where the event originated
     * @id the event type
     */
    public ComponentEvent(Component source, int id) {
        super(source, id);
    }

    /**
     * Returns the component where this event originated.
     */
    public Component getComponent() {
//        return (source instanceof Component) ? (Component)source : null;
        return (Component)source; // cast should always be OK, type was checked in constructor
    }

    public String paramString() {
        String typeStr;
        Rectangle b = (source !=null
		       ? ((Component)source).getBounds()
		       : null);

        switch(id) {
          case COMPONENT_SHOWN:
              typeStr = "COMPONENT_SHOWN";
              break;
          case COMPONENT_HIDDEN:
              typeStr = "COMPONENT_HIDDEN";
              break;
          case COMPONENT_MOVED:
              typeStr = "COMPONENT_MOVED ("+ 
                         b.x+","+b.y+" "+b.width+"x"+b.height+")";
              break;
          case COMPONENT_RESIZED:
              typeStr = "COMPONENT_RESIZED ("+ 
                         b.x+","+b.y+" "+b.width+"x"+b.height+")";
              break;
          default:
              typeStr = "unknown type";
        }
        return typeStr;
    }
}

java/awt/event/ComponentEvent.java

 

Backup JDK 1.1 Installation Directory

JDK 1.1 classes.zip - Java Core Classes

Download and Review JDK 1.1

⇑⇑ FAQ for JDK (Java Development Kit)

2018-11-17, 38318👍, 0💬