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.
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Field Summary
Modifier and TypeFieldDescriptionstatic final int
Indicates that theAdjustable
has horizontal orientation.static final int
Indicates that theAdjustable
has no orientation.static final int
Indicates that theAdjustable
has vertical orientation. -
Method Summary
Modifier and TypeMethodDescriptionvoid
Adds a listener to receive adjustment events when the value of the adjustable object changes.int
Gets the block value increment for the adjustable object.int
Gets the maximum value of the adjustable object.int
Gets the minimum value of the adjustable object.int
Gets the orientation of the adjustable object.int
Gets the unit value increment for the adjustable object.int
getValue()
Gets the current value of the adjustable object.int
Gets the length of the proportional indicator.void
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.
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Field Details
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HORIZONTAL
Indicates that theAdjustable
has horizontal orientation.- See Also:
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VERTICAL
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NO_ORIENTATION
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Method Details
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getOrientation
int getOrientation()Gets the orientation of the adjustable object.- Returns:
- the orientation of the adjustable object;
either
HORIZONTAL
,VERTICAL
, orNO_ORIENTATION
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setMinimum
void setMinimum(int min) Sets the minimum value of the adjustable object.- Parameters:
min
- the minimum value
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getMinimum
int getMinimum()Gets the minimum value of the adjustable object.- Returns:
- the minimum value of the adjustable object
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setMaximum
void setMaximum(int max) Sets the maximum value of the adjustable object.- Parameters:
max
- the maximum value
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getMaximum
int getMaximum()Gets the maximum value of the adjustable object.- Returns:
- the maximum value of the adjustable object
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setUnitIncrement
void setUnitIncrement(int u) Sets the unit value increment for the adjustable object.- Parameters:
u
- the unit increment
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getUnitIncrement
int getUnitIncrement()Gets the unit value increment for the adjustable object.- Returns:
- the unit value increment for the adjustable object
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setBlockIncrement
void setBlockIncrement(int b) Sets the block value increment for the adjustable object.- Parameters:
b
- the block increment
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getBlockIncrement
int getBlockIncrement()Gets the block value increment for the adjustable object.- Returns:
- the block value increment for the adjustable object
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setVisibleAmount
void setVisibleAmount(int v) Sets the length of the proportional indicator of the adjustable object.- Parameters:
v
- the length of the indicator
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getVisibleAmount
int getVisibleAmount()Gets the length of the proportional indicator.- Returns:
- the length of the proportional indicator
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setValue
void setValue(int v) Sets the current value of the adjustable object. If the value supplied is less thanminimum
or greater thanmaximum
-visibleAmount
, then one of those values is substituted, as appropriate.Calling this method does not fire an
AdjustmentEvent
.- Parameters:
v
- the current value, betweenminimum
andmaximum
-visibleAmount
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getValue
int getValue()Gets the current value of the adjustable object.- Returns:
- the current value of the adjustable object
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addAdjustmentListener
Adds a listener to receive adjustment events when the value of the adjustable object changes.- Parameters:
l
- the listener to receive events- See Also:
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removeAdjustmentListener
Removes an adjustment listener.- Parameters:
l
- the listener being removed- See Also:
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