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java.awt

Class ScrollPaneAdjustable

Implemented Interfaces:
Adjustable, Serializable
public class ScrollPaneAdjustable
extends Object
implements Adjustable, Serializable
Need this class since the serialization spec for ScrollPane uses it.
Since:
1.4
See Also:
Serialized Form

Fields inherited from interface java.awt.Adjustable

HORIZONTAL, NO_ORIENTATION, VERTICAL

Method Summary

void
addAdjustmentListener(AdjustmentListener listener)
Adds a listener that will receive adjustment events for this object.
AdjustmentListener[]
getAdjustmentListeners()
int
getBlockIncrement()
Returns the increment value for incrementing the value by blocks.
int
getMaximum()
Returns the maximum value this object can have.
int
getMinimum()
Returns the minimum value this object can have.
int
getOrientation()
Returns a constant representing the orientation of the object.
int
getUnitIncrement()
Returns the increment value for incrementing the value by units.
int
getValue()
Returns the current value of the object.
boolean
getValueIsAdjusting()
Returns true if the value is in the process of changing.
int
getVisibleAmount()
Returns the length of the indicator for this object.
String
paramString()
void
removeAdjustmentListener(AdjustmentListener listener)
Removes an adjustment listener from this object.
void
setBlockIncrement(int blockIncrement)
Sets the increment value for incrementing the value by blocks.
void
setMaximum(int maximum)
This method should never be called.
void
setMinimum(int minimum)
This method should never be called.
void
setUnitIncrement(int unitIncrement)
Sets the increment value for incrementing the value by units.
void
setValue(int value)
Sets the current value of the object.
void
setValueIsAdjusting(boolean valueIsAdjusting)
Sets the value of valueIsAdjusting.
void
setVisibleAmount(int visibleAmount)
This method should never be called.
String
toString()
Convert this Object to a human-readable String.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

addAdjustmentListener

public void addAdjustmentListener(AdjustmentListener listener)
Adds a listener that will receive adjustment events for this object.
Specified by:
addAdjustmentListener in interface Adjustable
Parameters:
listener - the adjustment listener to add
See Also:
AdjustmentEvent

getAdjustmentListeners

public AdjustmentListener[] getAdjustmentListeners()

getBlockIncrement

public int getBlockIncrement()
Returns the increment value for incrementing the value by blocks.
Specified by:
getBlockIncrement in interface Adjustable
Returns:
the block increment value

getMaximum

public int getMaximum()
Returns the maximum value this object can have.
Specified by:
getMaximum in interface Adjustable
Returns:
the maximum value

getMinimum

public int getMinimum()
Returns the minimum value this object can have.
Specified by:
getMinimum in interface Adjustable
Returns:
the minimum value

getOrientation

public int getOrientation()
Returns a constant representing the orientation of the object.
Specified by:
getOrientation in interface Adjustable
Returns:
the orientation of this object
See Also:
Adjustable.HORIZONTAL, Adjustable.VERTICAL, Adjustable.NO_ORIENTATION

getUnitIncrement

public int getUnitIncrement()
Returns the increment value for incrementing the value by units.
Specified by:
getUnitIncrement in interface Adjustable
Returns:
the unit increment value

getValue

public int getValue()
Returns the current value of the object.
Specified by:
getValue in interface Adjustable
Returns:
the current value

getValueIsAdjusting

public boolean getValueIsAdjusting()
Returns true if the value is in the process of changing.
Since:
1.4

getVisibleAmount

public int getVisibleAmount()
Returns the length of the indicator for this object.
Specified by:
getVisibleAmount in interface Adjustable
Returns:
the indicator length

paramString

public String paramString()

removeAdjustmentListener

public void removeAdjustmentListener(AdjustmentListener listener)
Removes an adjustment listener from this object.
Specified by:
removeAdjustmentListener in interface Adjustable
Parameters:
listener - the adjustment listener to remove
See Also:
AdjustmentEvent

setBlockIncrement

public void setBlockIncrement(int blockIncrement)
Sets the increment value for incrementing the value by blocks.
Specified by:
setBlockIncrement in interface Adjustable
Parameters:

setMaximum

public void setMaximum(int maximum)
            throws AWTError
This method should never be called.
Specified by:
setMaximum in interface Adjustable
Parameters:
maximum - The maximum value to be set.
Throws:
AWTError - Always throws this error when called.

setMinimum

public void setMinimum(int minimum)
This method should never be called.
Specified by:
setMinimum in interface Adjustable
Parameters:
minimum - The minimum value to be set.

setUnitIncrement

public void setUnitIncrement(int unitIncrement)
Sets the increment value for incrementing the value by units.
Specified by:
setUnitIncrement in interface Adjustable
Parameters:

setValue

public void setValue(int value)
Sets the current value of the object.
Specified by:
setValue in interface Adjustable
Parameters:
value - the new value

setValueIsAdjusting

public void setValueIsAdjusting(boolean valueIsAdjusting)
Sets the value of valueIsAdjusting.
Since:
1.4

setVisibleAmount

public void setVisibleAmount(int visibleAmount)
This method should never be called.
Specified by:
setVisibleAmount in interface Adjustable
Parameters:
visibleAmount - The visible amount to be set.

toString

public String toString()
Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() and such.

It is typical, but not required, to ensure that this method never completes abruptly with a RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

Overrides:
toString in interface Object
Returns:
the String representing this Object, which may be null
See Also:
getClass(), Object.hashCode(), Class.getName(), Integer.toHexString(int)
ScrollPaneAdjustable.java -- Scrollbars for a ScrollPane Copyright (C) 1999 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath 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 for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

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