javax.swing.event

## Class ListDataEvent

- java.lang.Object
- - java.util.EventObject
  - - javax.swing.event.ListDataEvent

- 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 JavaBeans™ has been added to the `java.beans` package. Please see `XMLEncoder`.

- - ### 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 list
    `static int` | `INTERVAL_REMOVED` Identifies the removal of one or more contiguous items from the list

    - ### Fields inherited from class java.util.EventObject

      `source`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ListDataEvent(Object source, int type, int index0, int index1)` Constructs a ListDataEvent object.

  - ### Method Summary

    All Methods Instance Methods Concrete 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`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Field Detail

    - #### CONTENTS_CHANGED

          public static final int CONTENTS_CHANGED

      Identifies one or more changes in the lists contents.
      See Also:
        Constant Field Values

    - #### 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

    - #### 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

  - ### Constructor Detail

    - #### 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 (typically `this`)
        `type` - an int specifying `CONTENTS_CHANGED`, `INTERVAL_ADDED`, or `INTERVAL_REMOVED`
        `index0` - one end of the new interval
        `index1` - the other end of the new interval

  - ### Method Detail

    - #### getType

          public int getType()

      Returns the event type. The possible values are:
      - `CONTENTS_CHANGED`
      - `INTERVAL_ADDED`
      - `INTERVAL_REMOVED`
      Returns:
        an int representing the type value

    - #### getIndex0

          public int getIndex0()

      Returns the lower index of the range. For a single element, this value is the same as that returned by `getIndex1()`.
      Returns:
        an int representing the lower index value

    - #### getIndex1

          public int getIndex1()

      Returns the upper index of the range. For a single element, this value is the same as that returned by `getIndex0()`.
      Returns:
        an int representing the upper index value

    - #### 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 be `null`.
      Overrides:
        `toString` in class `EventObject`
      Returns:
        a string representation of this ListDataEvent.
      Since:
        1.4

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