public class AncestorEvent extends AWTEvent
警告:此类的序列化对象与将来的Swing版本不兼容。 当前的序列化支持适用于运行相同版本的Swing的应用程序之间的短期存储或RMI。 从1.4版本开始,支持所有JavaBeans的长期存储已经添加到java.beans
包中。 请参阅XMLEncoder
。
Modifier and Type | Field and Description |
---|---|
static int |
ANCESTOR_ADDED
祖先组件被添加到可见对象的层次结构(可见)中,并且正在显示。
|
static int |
ANCESTOR_MOVED
祖先组件更改了屏幕上的位置。
|
static int |
ANCESTOR_REMOVED
祖先组件从可见对象(隐藏)的层次结构中删除,不再显示。
|
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
source
Constructor and Description |
---|
AncestorEvent(JComponent source, int id, Container ancestor, Container ancestorParent)
构造一个AncestorEvent对象,以识别祖先组件的显示状态的变化。
|
Modifier and Type | Method and Description |
---|---|
Container |
getAncestor()
返回事件实际发生的祖先。
|
Container |
getAncestorParent()
返回事件实际发生的祖先的父级。
|
JComponent |
getComponent()
返回侦听器添加到的组件。
|
consume, getID, isConsumed, paramString, setSource, toString
getSource
public static final int ANCESTOR_ADDED
public static final int ANCESTOR_REMOVED
public static final int ANCESTOR_MOVED
public AncestorEvent(JComponent source, int id, Container ancestor, Container ancestorParent)
source
- 发起事件的JComponent(通常为
this
)
id
-一个int,指定
ANCESTOR_ADDED
,
ANCESTOR_REMOVED
或
ANCESTOR_MOVED
ancestor
- 指定显示状态更改的祖先组件的Container对象
ancestorParent
- 指定祖先父项的Container对象
public Container getAncestor()
public Container getAncestorParent()
public JComponent getComponent()
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