Package org.eclipse.swt.accessibility
Class AccessibleValueAdapter
java.lang.Object
org.eclipse.swt.accessibility.AccessibleValueAdapter
- All Implemented Interfaces:
EventListener
,AccessibleValueListener
,SWTEventListener
This adapter class provides default implementations for the
methods in the
AccessibleValueListener
interface.
Classes that wish to deal with AccessibleValue
events can
extend this class and override only the methods that they are
interested in.
- Since:
- 3.6
- See Also:
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
Returns the value of this object as a number.void
Returns the maximum value that can be represented by this object.void
Returns the minimum value that can be represented by this object.void
Sets the value of this object to the given number.
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Constructor Details
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AccessibleValueAdapter
public AccessibleValueAdapter()
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Method Details
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getCurrentValue
Returns the value of this object as a number.- Specified by:
getCurrentValue
in interfaceAccessibleValueListener
- Parameters:
e
- an event object containing the following fields:- [out] value - the number that is the current value of this object
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setCurrentValue
Sets the value of this object to the given number. The argument is clipped to the valid interval whose upper and lower bounds are returned by getMaximumValue and getMinimumValue, i.e. if it is lower than the minimum value the new value will be the minimum, and if it is greater than the maximum then the new value will be the maximum.- Specified by:
setCurrentValue
in interfaceAccessibleValueListener
- Parameters:
e
- an event object containing the following fields:- [in/out] value - on input, the number that will be the new value of this object
- on output, set to null if the value cannot be set
- [in/out] value - on input, the number that will be the new value of this object
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getMaximumValue
Returns the maximum value that can be represented by this object.- Specified by:
getMaximumValue
in interfaceAccessibleValueListener
- Parameters:
e
- an event object containing the following fields:- [out] value - the number that is the maximum value that this object can represent. If this object has no upper bound then null is returned.
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getMinimumValue
Returns the minimum value that can be represented by this object.- Specified by:
getMinimumValue
in interfaceAccessibleValueListener
- Parameters:
e
- an event object containing the following fields:- [out] value - the number that is the minimum value that this object can represent. If this object has no lower bound then null is returned.
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