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JavaTM 2 Platform Std. Ed. v1.5.0

java.awt
Interface Adjustable

All Known Implementing Classes:
JScrollBar, JScrollPane.ScrollBar, Scrollbar, ScrollPaneAdjustable

public interface Adjustable

The interface for objects which have an adjustable numeric value contained within a bounded range of values.


Field Summary
static int HORIZONTAL
          Indicates that the Adjustable has horizontal orientation.
static int NO_ORIENTATION
          Indicates that the Adjustable has no orientation.
static int VERTICAL
          Indicates that the Adjustable has vertical orientation.
 
Method Summary
 void addAdjustmentListener(AdjustmentListener l)
          Adds a listener to receive adjustment events when the value of the adjustable object changes.
 int getBlockIncrement()
          Gets the block value increment for the adjustable object.
 int getMaximum()
          Gets the maximum value of the adjustable object.
 int getMinimum()
          Gets the minimum value of the adjustable object.
 int getOrientation()
          Gets the orientation of the adjustable object.
 int getUnitIncrement()
          Gets the unit value increment for the adjustable object.
 int getValue()
          Gets the current value of the adjustable object.
 int getVisibleAmount()
          Gets the length of the proportional indicator.
 void removeAdjustmentListener(AdjustmentListener l)
          Removes an adjustment listener.
 void setBlockIncrement(int b)
          Sets the block value increment for the adjustable object.
 void setMaximum(int max)
          Sets the maximum value of the adjustable object.
 void setMinimum(int min)
          Sets the minimum value of the adjustable object.
 void setUnitIncrement(int u)
          Sets the unit value increment for the adjustable object.
 void setValue(int v)
          Sets the current value of the adjustable object.
 void setVisibleAmount(int v)
          Sets the length of the proportional indicator of the adjustable object.
 

Field Detail

HORIZONTAL

static final int HORIZONTAL
Indicates that the Adjustable has horizontal orientation.

See Also:
Constant Field Values

VERTICAL

static final int VERTICAL
Indicates that the Adjustable has vertical orientation.

See Also:
Constant Field Values

NO_ORIENTATION

static final int NO_ORIENTATION
Indicates that the Adjustable has no orientation.

See Also:
Constant Field Values
Method Detail

getOrientation

int getOrientation()
Gets the orientation of the adjustable object.

Returns:
the orientation of the adjustable object; either HORIZONTAL, VERTICAL, or NO_ORIENTATION

setMinimum

void setMinimum(int min)
Sets the minimum value of the adjustable object.

Parameters:
min - the minimum value

getMinimum

int getMinimum()
Gets the minimum value of the adjustable object.

Returns:
the minimum value of the adjustable object

setMaximum

void setMaximum(int max)
Sets the maximum value of the adjustable object.

Parameters:
max - the maximum value

getMaximum

int getMaximum()
Gets the maximum value of the adjustable object.

Returns:
the maximum value of the adjustable object

setUnitIncrement

void setUnitIncrement(int u)
Sets the unit value increment for the adjustable object.

Parameters:
u - the unit increment

getUnitIncrement

int getUnitIncrement()
Gets the unit value increment for the adjustable object.

Returns:
the unit value increment for the adjustable object

setBlockIncrement

void setBlockIncrement(int b)
Sets the block value increment for the adjustable object.

Parameters:
b - the block increment

getBlockIncrement

int getBlockIncrement()
Gets the block value increment for the adjustable object.

Returns:
the block value increment for the adjustable object

setVisibleAmount

void setVisibleAmount(int v)
Sets the length of the proportional indicator of the adjustable object.

Parameters:
v - the length of the indicator

getVisibleAmount

int getVisibleAmount()
Gets the length of the proportional indicator.

Returns:
the length of the proportional indicator

setValue

void setValue(int v)
Sets the current value of the adjustable object. If the value supplied is less than minimum or greater than maximum - visibleAmount, then one of those values is substituted, as appropriate.

Calling this method does not fire an AdjustmentEvent.

Parameters:
v - the current value, between minimum and maximum - visibleAmount

getValue

int getValue()
Gets the current value of the adjustable object.

Returns:
the current value of the adjustable object

addAdjustmentListener

void addAdjustmentListener(AdjustmentListener l)
Adds a listener to receive adjustment events when the value of the adjustable object changes.

Parameters:
l - the listener to receive events
See Also:
AdjustmentEvent

removeAdjustmentListener

void removeAdjustmentListener(AdjustmentListener l)
Removes an adjustment listener.

Parameters:
l - the listener being removed
See Also:
AdjustmentEvent

Copyright 2003 Sun Microsystems, Inc. All rights reserved