public class BasicSliderUI.ActionScroller extends AbstractAction
ActionMap
,包含动作,和一个
InputMap
包含按键映射到动作描述。是的inputmap通常在它表描述。
请参阅关键绑定规范的进一步细节。
这个类应该被视为一个“受保护的”内部类。它只有在实例化子类Foo
。
changeSupport, enabled
ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON
Constructor and Description |
---|
ActionScroller(JSlider slider, int dir, boolean block) |
Modifier and Type | Method and Description |
---|---|
void |
actionPerformed(ActionEvent e)
当一个动作发生时调用。
|
boolean |
isEnabled()
如果启用了动作,则返回真。
|
addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, putValue, removePropertyChangeListener, setEnabled
public ActionScroller(JSlider slider, int dir, boolean block)
public void actionPerformed(ActionEvent e)
ActionListener
public boolean isEnabled()
AbstractAction
isEnabled
接口
Action
isEnabled
方法重写,继承类
AbstractAction
Action.isEnabled()
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