/*
* @(#)AdjustmentEvent.java 1.21 06/10/10
*
* Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*
*/
package java.awt.event;
import java.awt.Adjustable;
import java.awt.AWTEvent;
/**
* The adjustment event emitted by Adjustable objects.
* @see java.awt.Adjustable
* @see AdjustmentListener
*
* @version 1.17 08/19/02
* @author Amy Fowler
*/
public class AdjustmentEvent extends AWTEvent {
/**
* Marks the first integer id for the range of adjustment event ids.
*/
public static final int ADJUSTMENT_FIRST = 601;
/**
* Marks the last integer id for the range of adjustment event ids.
*/
public static final int ADJUSTMENT_LAST = 601;
/**
* The adjustment value changed event.
*/
public static final int ADJUSTMENT_VALUE_CHANGED = ADJUSTMENT_FIRST; //Event.SCROLL_LINE_UP
/**
* The unit increment adjustment type.
*/
public static final int UNIT_INCREMENT = 1;
/**
* The unit decrement adjustment type.
*/
public static final int UNIT_DECREMENT = 2;
/**
* The block decrement adjustment type.
*/
public static final int BLOCK_DECREMENT = 3;
/**
* The block increment adjustment type.
*/
public static final int BLOCK_INCREMENT = 4;
/**
* The absolute tracking adjustment type.
*/
public static final int TRACK = 5;
Adjustable adjustable;
int value;
int adjustmentType;
/*
* JDK 1.1 serialVersionUID
*/
private static final long serialVersionUID = 5700290645205279921L;
/**
* Constructs a AdjustmentEvent object with the specified Adjustable source,
* type, and value.
* @param source the Adjustable object where the event originated
* @id the event type
* @type the adjustment type
* @value the current value of the adjustment
*/
public AdjustmentEvent(Adjustable source, int id, int type, int value) {
super(source, id);
adjustable = source;
this.adjustmentType = type;
this.value = value;
}
/**
* Returns the Adjustable object where this event originated.
*/
public Adjustable getAdjustable() {
return adjustable;
}
/**
* Returns the current value in the adjustment event.
*/
public int getValue() {
return value;
}
/**
* Returns the type of adjustment which caused the value changed
* event.
* @see UNIT_INCREMENT
* @see UNIT_DECREMENT
* @see BLOCK_INCREMENT
* @see BLOCK_DECREMENT
* @see TRACK
*/
public int getAdjustmentType() {
return adjustmentType;
}
public String paramString() {
String typeStr;
switch (id) {
case ADJUSTMENT_VALUE_CHANGED:
typeStr = "ADJUSTMENT_VALUE_CHANGED";
break;
default:
typeStr = "unknown type";
}
String adjTypeStr;
switch (adjustmentType) {
case UNIT_INCREMENT:
adjTypeStr = "UNIT_INCREMENT";
break;
case UNIT_DECREMENT:
adjTypeStr = "UNIT_DECREMENT";
break;
case BLOCK_INCREMENT:
adjTypeStr = "BLOCK_INCREMENT";
break;
case BLOCK_DECREMENT:
adjTypeStr = "BLOCK_DECREMENT";
break;
case TRACK:
adjTypeStr = "TRACK";
break;
default:
adjTypeStr = "unknown type";
}
return typeStr + ",adjType=" + adjTypeStr + ",value=" + value;
}
}