- java.lang.Object
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- java.util.EventObject
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- javax.swing.event.ListDataEvent
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- All Implemented Interfaces:
- Serializable
public class ListDataEvent extends EventObject
Defines an event that encapsulates changes to a list.Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeansTM has been added to the
java.beans
package. Please seeXMLEncoder
.
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Field Summary
Fields Modifier and Type Field and Description static int
CONTENTS_CHANGED
Identifies one or more changes in the lists contents.static int
INTERVAL_ADDED
Identifies the addition of one or more contiguous items to the liststatic int
INTERVAL_REMOVED
Identifies the removal of one or more contiguous items from the list-
Fields inherited from class java.util.EventObject
source
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Constructor Summary
Constructors Constructor and Description ListDataEvent(Object source, int type, int index0, int index1)
Constructs a ListDataEvent object.
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Method Summary
Methods Modifier and Type Method and Description int
getIndex0()
Returns the lower index of the range.int
getIndex1()
Returns the upper index of the range.int
getType()
Returns the event type.String
toString()
Returns a string representation of this ListDataEvent.-
Methods inherited from class java.util.EventObject
getSource
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Field Detail
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CONTENTS_CHANGED
public static final int CONTENTS_CHANGED
Identifies one or more changes in the lists contents.- See Also:
- Constant Field Values
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INTERVAL_ADDED
public static final int INTERVAL_ADDED
Identifies the addition of one or more contiguous items to the list- See Also:
- Constant Field Values
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INTERVAL_REMOVED
public static final int INTERVAL_REMOVED
Identifies the removal of one or more contiguous items from the list- See Also:
- Constant Field Values
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Constructor Detail
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ListDataEvent
public ListDataEvent(Object source, int type, int index0, int index1)
Constructs a ListDataEvent object. If index0 is > index1, index0 and index1 will be swapped such that index0 will always be <= index1.- Parameters:
source
- the source Object (typicallythis
)type
- an int specifyingCONTENTS_CHANGED
,INTERVAL_ADDED
, orINTERVAL_REMOVED
index0
- one end of the new intervalindex1
- the other end of the new interval
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Method Detail
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getType
public int getType()
Returns the event type. The possible values are:- Returns:
- an int representing the type value
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getIndex0
public int getIndex0()
Returns the lower index of the range. For a single element, this value is the same as that returned bygetIndex1()
.- Returns:
- an int representing the lower index value
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getIndex1
public int getIndex1()
Returns the upper index of the range. For a single element, this value is the same as that returned bygetIndex0()
.- Returns:
- an int representing the upper index value
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toString
public String toString()
Returns a string representation of this ListDataEvent. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not benull
.- Overrides:
toString
in classEventObject
- Returns:
- a string representation of this ListDataEvent.
- Since:
- 1.4
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