事件和接收者类型(java)
时间:2007-05-29 yycnet.yeah.net yyc译
所有AWT组件都被改变成包含addXXXListener()和removeXXXListener()方法，因此特定的接收器类型可从每个组件中增加和删除。
我们会注意到“XXX”在每个场合中同样表示自变量的方法，例如，addFooListener(FooListener fl)。
下面这张表格总结了通过提供addXXXListener()和removeXXXListener()方法，从而支持那些特定事件的相关事件、接收器、方法以及组件。事件，接收器接口及添加和删除方法 支持这个事件的组件
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Event, listener interface and add- and remove-methods
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Components supporting this event
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ActionEventActionListeneraddActionListener()removeActionListener()
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Button, List, TextField, MenuItem, and its derivatives including CheckboxMenuItem, Menu, and PopupMenu
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AdjustmentEventAdjustmentListeneraddAdjustmentListener()removeAdjustmentListener()
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ScrollbarAnything you create that implements the Adjustable interface
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ComponentEventComponentListeneraddComponentListener()removeComponentListener()
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Component and its derivatives, including Button, Canvas, Checkbox, Choice, Container, Panel, Applet, ScrollPane, Window, Dialog, FileDialog, Frame, Label, List, Scrollbar, TextArea, and TextField
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ContainerEventContainerListeneraddContainerListener()removeContainerListener()
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Container and its derivatives, including Panel, Applet, ScrollPane, Window, Dialog, FileDialog, and Frame
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FocusEventFocusListeneraddFocusListener()removeFocusListener()
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Component and its derivatives, including Button, Canvas, Checkbox, Choice, Container, Panel, Applet, ScrollPane, Window, Dialog, FileDialog, Frame Label, List, Scrollbar, TextArea, and TextField
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KeyEventKeyListeneraddKeyListener()removeKeyListener()
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Component and its derivatives, including Button, Canvas, Checkbox, Choice, Container, Panel, Applet, ScrollPane, Window, Dialog, FileDialog, Frame, Label, List, Scrollbar, TextArea, and TextField
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MouseEvent (for both clicks and motion)MouseListeneraddMouseListener()removeMouseListener()
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Component and its derivatives, including Button, Canvas, Checkbox, Choice, Container, Panel, Applet, ScrollPane, Window, Dialog, FileDialog, Frame, Label, List, Scrollbar, TextArea, and TextField
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MouseEvent[55] (for both clicks and motion)MouseMotionListeneraddMouseMotionListener()removeMouseMotionListener()
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Component and its derivatives, including Button, Canvas, Checkbox, Choice, Container, Panel, Applet, ScrollPane, Window, Dialog, FileDialog, Frame, Label, List, Scrollbar, TextArea, and TextField
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WindowEventWindowListeneraddWindowListener()removeWindowListener()
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Window and its derivatives, including Dialog, FileDialog, and Frame
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ItemEventItemListeneraddItemListener()removeItemListener()
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Checkbox, CheckboxMenuItem, Choice, List, and anything that implements the ItemSelectable interface
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TextEventTextListeneraddTextListener()removeTextListener()
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Anything derived from TextComponent, including TextArea and TextField
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