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AdjustmentEvent (Java Platform SE 6)



























    






    

    



    
  
    
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java.awt.event

    
Class AdjustmentEvent
    

    java.lang.Object
  extended by java.util.EventObject
      extended by java.awt.AWTEvent
          extended by java.awt.event.AdjustmentEvent

    

    

    All Implemented Interfaces: 
    Serializable
    

    

    

    

    public class AdjustmentEvent
    extends AWTEvent

    The adjustment event emitted by Adjustable objects.

    Since:
    1.1
    See Also:
    Adjustable, AdjustmentListener, Serialized Form

    Field Summary
    static int ADJUSTMENT_FIRST
              Marks the first integer id for the range of adjustment event ids.
    static int ADJUSTMENT_LAST
              Marks the last integer id for the range of adjustment event ids.
    static int ADJUSTMENT_VALUE_CHANGED
              The adjustment value changed event.
    static int BLOCK_DECREMENT
              The block decrement adjustment type.
    static int BLOCK_INCREMENT
              The block increment adjustment type.
    static int TRACK
              The absolute tracking adjustment type.
    static int UNIT_DECREMENT
              The unit decrement adjustment type.
    static int UNIT_INCREMENT
              The unit increment adjustment type.
     
    Fields inherited from class java.awt.AWTEvent
    ACTION_EVENT_MASK, ADJUSTMENT_EVENT_MASK, COMPONENT_EVENT_MASK, consumed, CONTAINER_EVENT_MASK, FOCUS_EVENT_MASK, HIERARCHY_BOUNDS_EVENT_MASK, HIERARCHY_EVENT_MASK, id, INPUT_METHOD_EVENT_MASK, INVOCATION_EVENT_MASK, ITEM_EVENT_MASK, KEY_EVENT_MASK, MOUSE_EVENT_MASK, MOUSE_MOTION_EVENT_MASK, MOUSE_WHEEL_EVENT_MASK, PAINT_EVENT_MASK, RESERVED_ID_MAX, TEXT_EVENT_MASK, WINDOW_EVENT_MASK, WINDOW_FOCUS_EVENT_MASK, WINDOW_STATE_EVENT_MASK
     
    Fields inherited from class java.util.EventObject
    source
     
    Constructor Summary
    AdjustmentEvent(Adjustable source, int id, int type, int value)
              Constructs an AdjustmentEvent object with the specified Adjustable source, event type, adjustment type, and value.
    AdjustmentEvent(Adjustable source, int id, int type, int value, boolean isAdjusting)
              Constructs an AdjustmentEvent object with the specified Adjustable source, event type, adjustment type, and value.
     
    Method Summary
     Adjustable getAdjustable()
              Returns the Adjustable object where this event originated.
     int getAdjustmentType()
              Returns the type of adjustment which caused the value changed event.
     int getValue()
              Returns the current value in the adjustment event.
     boolean getValueIsAdjusting()
              Returns true if this is one of multiple adjustment events.
     String paramString()
              Returns a string representing the state of this Event.
     
    Methods inherited from class java.awt.AWTEvent
    consume, getID, isConsumed, setSource, toString
     
    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

    ADJUSTMENT_FIRST

    public static final int ADJUSTMENT_FIRST
    Marks the first integer id for the range of adjustment event ids.

    See Also:
    Constant Field Values

    ADJUSTMENT_LAST

    public static final int ADJUSTMENT_LAST
    Marks the last integer id for the range of adjustment event ids.

    See Also:
    Constant Field Values

    ADJUSTMENT_VALUE_CHANGED

    public static final int ADJUSTMENT_VALUE_CHANGED
    The adjustment value changed event.

    See Also:
    Constant Field Values

    UNIT_INCREMENT

    public static final int UNIT_INCREMENT
    The unit increment adjustment type.

    See Also:
    Constant Field Values

    UNIT_DECREMENT

    public static final int UNIT_DECREMENT
    The unit decrement adjustment type.

    See Also:
    Constant Field Values

    BLOCK_DECREMENT

    public static final int BLOCK_DECREMENT
    The block decrement adjustment type.

    See Also:
    Constant Field Values

    BLOCK_INCREMENT

    public static final int BLOCK_INCREMENT
    The block increment adjustment type.

    See Also:
    Constant Field Values

    TRACK

    public static final int TRACK
    The absolute tracking adjustment type.

    See Also:
    Constant Field Values
    Constructor Detail

    AdjustmentEvent

    public AdjustmentEvent(Adjustable source,
                       int id,
                       int type,
                       int value)
    Constructs an AdjustmentEvent object with the specified Adjustable source, event type, adjustment type, and value.

    Note that passing in an invalid id results in unspecified behavior. This method throws an IllegalArgumentException if source is null.

    Parameters:
    source - the Adjustable object where the event originated
    id - the event type
    type - the adjustment type
    value - the current value of the adjustment
    Throws:
    IllegalArgumentException - if source is null

    AdjustmentEvent

    public AdjustmentEvent(Adjustable source,
                       int id,
                       int type,
                       int value,
                       boolean isAdjusting)
    Constructs an AdjustmentEvent object with the specified Adjustable source, event type, adjustment type, and value.

    Note that passing in an invalid id results in unspecified behavior. This method throws an IllegalArgumentException if source is null.

    Parameters:
    source - the Adjustable object where the event originated
    id - the event type
    type - the adjustment type
    value - the current value of the adjustment
    isAdjusting - true if the event is one of a series of multiple adjusting events, otherwise false
    Throws:
    IllegalArgumentException - if source is null
    Since:
    1.4
    Method Detail

    getAdjustable

    public Adjustable getAdjustable()
    Returns the Adjustable object where this event originated.

    Returns:
    the Adjustable object where this event originated

    getValue

    public int getValue()
    Returns the current value in the adjustment event.

    Returns:
    the current value in the adjustment event

    getAdjustmentType

    public int getAdjustmentType()
    Returns the type of adjustment which caused the value changed event. It will have one of the following values:

    Returns:
    one of the adjustment values listed above

    getValueIsAdjusting

    public boolean getValueIsAdjusting()
    Returns true if this is one of multiple adjustment events.

    Returns:
    true if this is one of multiple adjustment events, otherwise returns false
    Since:
    1.4

    paramString

    public String paramString()
    Description copied from class: AWTEvent
    Returns a string representing the state of this Event. 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:
    paramString in class AWTEvent
    Returns:
    a string representation of this event
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