public class JSeparator extends JComponent implements SwingConstants, Accessible
JSeparator
提供了一种用于实现分割线的通用组件 - 通常用作将其分解为逻辑分组的菜单项之间的分隔符。
而不是直接使用JSeparator
,您可以使用JMenu
或JPopupMenu
addSeparator
方法来创建和添加分隔符。
JSeparator
也可以在GUI的其他地方使用,只要视觉分隔符有用。
有关更多信息和示例,请参阅Java Tutorial中的 How to Use Menus 。
警告: Swing不是线程安全的。 有关更多信息,请参阅Swing's Threading Policy 。
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开始,对所有JavaBeans的长期存储的支持已被添加到java.beans
软件包中。 请参阅XMLEncoder
。
Modifier and Type | Class and Description |
---|---|
protected class |
JSeparator.AccessibleJSeparator
这个类实现了可访问性支持
JSeparator 类。
|
JComponent.AccessibleJComponent
Container.AccessibleAWTContainer
Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy
listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH
Constructor and Description |
---|
JSeparator()
创建一个新的水平分隔符。
|
JSeparator(int orientation)
创建一个具有指定的水平或垂直方向的新分隔符。
|
Modifier and Type | Method and Description |
---|---|
AccessibleContext |
getAccessibleContext()
获取与此JSeparator关联的AccessibleContext。
|
int |
getOrientation()
返回此分隔符的方向。
|
SeparatorUI |
getUI()
返回渲染此组件的L&F对象。
|
String |
getUIClassID()
返回呈现此组件的L&F类的名称。
|
protected String |
paramString()
返回此
JSeparator 的字符串表示
JSeparator 。
|
void |
setOrientation(int orientation)
设置分隔符的方向。
|
void |
setUI(SeparatorUI ui)
设置渲染此组件的L&F对象。
|
void |
updateUI()
将UI属性重置为当前外观的值。
|
addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update
add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle
public JSeparator()
public JSeparator(int orientation)
orientation
- 一个指定
SwingConstants.HORIZONTAL
或
SwingConstants.VERTICAL
的整数
IllegalArgumentException
- 如果
orientation
既不是
SwingConstants.HORIZONTAL
也不是
SwingConstants.VERTICAL
public SeparatorUI getUI()
public void setUI(SeparatorUI ui)
ui
- SeparatorUI L&F对象
UIDefaults.getUI(javax.swing.JComponent)
public void updateUI()
updateUI
在
JComponent
JComponent.updateUI()
public String getUIClassID()
getUIClassID
在
JComponent
JComponent.getUIClassID()
,
UIDefaults.getUI(javax.swing.JComponent)
public int getOrientation()
SwingConstants
:
VERTICAL
或
HORIZONTAL
。
SwingConstants
, setOrientation(int)
public void setOrientation(int orientation)
orientation
-
SwingConstants.HORIZONTAL
或
SwingConstants.VERTICAL
IllegalArgumentException
- 如果
orientation
既不是
SwingConstants.HORIZONTAL
也不是
SwingConstants.VERTICAL
SwingConstants
, getOrientation()
protected String paramString()
JSeparator
的字符串表示JSeparator
。
该方法仅用于调试目的,并且返回的字符串的内容和格式可能因实现而异。
返回的字符串可能为空,但可能不是null
。
paramString
在
JComponent
JSeparator
的字符串表示
JSeparator
public AccessibleContext getAccessibleContext()
getAccessibleContext
在接口
Accessible
getAccessibleContext
在
Component
类
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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