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java.awt
Interface Adjustable
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All Known Implementing Classes:
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JScrollBar
,
JScrollPane.ScrollBar
,
Scrollbar
,
ScrollPaneAdjustable
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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. |
HORIZONTAL
static final int HORIZONTAL
-
Indicates that the Adjustable has horizontal orientation.
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See Also:
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Constant Field Values
VERTICAL
static final int VERTICAL
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Indicates that the Adjustable has vertical orientation.
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See Also:
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Constant Field Values
NO_ORIENTATION
static final int NO_ORIENTATION
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Indicates that the Adjustable has no orientation.
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See Also:
-
Constant Field Values
getOrientation
int getOrientation()
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Gets the orientation of the adjustable object.
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Returns:
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the orientation of the adjustable object; either HORIZONTAL, VERTICAL, or NO_ORIENTATION
setMinimum
void setMinimum(int min)
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Sets the minimum value of the adjustable object.
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Parameters:
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min - the minimum value
getMinimum
int getMinimum()
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Gets the minimum value of the adjustable object.
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Returns:
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the minimum value of the adjustable object
setMaximum
void setMaximum(int max)
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Sets the maximum value of the adjustable object.
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Parameters:
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max - the maximum value
getMaximum
int getMaximum()
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Gets the maximum value of the adjustable object.
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Returns:
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the maximum value of the adjustable object
setUnitIncrement
void setUnitIncrement(int u)
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Sets the unit value increment for the adjustable object.
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Parameters:
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u - the unit increment
getUnitIncrement
int getUnitIncrement()
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Gets the unit value increment for the adjustable object.
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Returns:
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the unit value increment for the adjustable object
setBlockIncrement
void setBlockIncrement(int b)
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Sets the block value increment for the adjustable object.
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Parameters:
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b - the block increment
getBlockIncrement
int getBlockIncrement()
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Gets the block value increment for the adjustable object.
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Returns:
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the block value increment for the adjustable object
setVisibleAmount
void setVisibleAmount(int v)
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Sets the length of the proportional indicator of the adjustable object.
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Parameters:
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v - the length of the indicator
getVisibleAmount
int getVisibleAmount()
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Gets the length of the proportional indicator.
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Returns:
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the length of the proportional indicator
setValue
void setValue(int v)
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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.
This value must be within the range defined by the minimum and maximum values for this object.
Calling this method does not fire an AdjustmentEvent.
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Parameters:
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v - the current
value, between minimum and maximum - visibleAmount
value
getValue
int getValue()
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Gets the current value of the adjustable object.
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Returns:
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the current value of the adjustable object
addAdjustmentListener
void addAdjustmentListener(AdjustmentListener l)
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Adds a listener to receive adjustment events when the value of the adjustable object changes.
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Parameters:
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l - the listener to receive events
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See Also:
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AdjustmentEvent
removeAdjustmentListener
void removeAdjustmentListener(AdjustmentListener l)
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Removes an adjustment listener.
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Parameters:
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l - the listener being removed
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See Also:
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AdjustmentEvent