java.awt.event
Class ItemEvent
- Serializable
This event is generated when a selection item changes state. This is an
abstraction that distills a large number of individual mouse or keyboard
events into a simpler "item selected" and "item deselected" events.
static int | DESELECTED- This type indicates that the item was deselected.
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static int | ITEM_FIRST- This is the first id in the event id range used by this class.
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static int | ITEM_LAST- This is the last id in the event id range used by this class.
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static int | ITEM_STATE_CHANGED- This event id indicates a state change occurred.
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static int | SELECTED- This type indicates that the item was selected.
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ACTION_EVENT_MASK, ADJUSTMENT_EVENT_MASK, COMPONENT_EVENT_MASK, CONTAINER_EVENT_MASK, FOCUS_EVENT_MASK, HIERARCHY_BOUNDS_EVENT_MASK, HIERARCHY_EVENT_MASK, 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, consumed, id |
ItemEvent(ItemSelectable source, int id, Object item, int stateChange)- Initializes a new instance of
ItemEvent with the specified
source, id, and state change constant.
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clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait |
ItemEvent
public ItemEvent(ItemSelectable source,
int id,
Object item,
int stateChange) Initializes a new instance of ItemEvent with the specified
source, id, and state change constant. Note that an invalid id leads to
unspecified results.
source - the source of the eventid - the event iditem - the item affected by the state changestateChange - one of SELECTED or DESELECTED
paramString
public String paramString()
Returns a string identifying this event. This is in the format:
"ITEM_STATE_CHANGED,item=" + item + ",stateChange="
+ (getStateChange() == DESELECTED ? "DESELECTED" : "SELECTED").
- paramString in interface AWTEvent
- a string identifying this event
ItemEvent.java -- event for item state changes
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