java.awt
Class Panel

java.lang.Object
  java.awt.Component
      java.awt.Container
          java.awt.Panel

All Implemented Interfaces:

Accessible , ImageObserver , MenuContainer , Serializable

Direct Known Subclasses:

Applet

public class Panel

extends Container

implements Accessible

Panel is the simplest container class. A panel provides space in which an application can attach any other component, including other panels.

The default layout manager for a panel is the FlowLayout layout manager.

Since:

JDK1.0

See Also:

FlowLayout , Serialized Form

Nested Class Summary
protected  class	Panel.AccessibleAWTPanel           This class implements accessibility support for the Panel class.

 

Nested classes inherited from class java.awt. Container
Container.AccessibleAWTContainer

 

Nested classes inherited from class java.awt. Component
Component.AccessibleAWTComponent , Component.BltBufferStrategy , Component.FlipBufferStrategy

 

Field Summary

 

Fields inherited from class java.awt. Component
BOTTOM_ALIGNMENT , CENTER_ALIGNMENT , LEFT_ALIGNMENT , RIGHT_ALIGNMENT , TOP_ALIGNMENT

 

Fields inherited from interface java.awt.image. ImageObserver
ABORT , ALLBITS , ERROR , FRAMEBITS , HEIGHT , PROPERTIES , SOMEBITS , WIDTH

 

Constructor Summary
Panel ()           Creates a new panel using the default layout manager.
Panel ( LayoutManager  layout)           Creates a new panel with the specified layout manager.

 

Method Summary
void	addNotify ()           Creates the Panel's peer.
AccessibleContext	getAccessibleContext ()           Gets the AccessibleContext associated with this Panel.

 

Methods inherited from class java.awt. Container

add , add , add , add , add , addContainerListener , addImpl , addPropertyChangeListener , addPropertyChangeListener , applyComponentOrientation , areFocusTraversalKeysSet , countComponents , deliverEvent , doLayout , findComponentAt , findComponentAt , getAlignmentX , getAlignmentY , getComponent , getComponentAt , getComponentAt , getComponentCount , getComponents , getComponentZOrder , getContainerListeners , getFocusTraversalKeys , getFocusTraversalPolicy , getInsets , getLayout , getListeners , getMaximumSize , getMinimumSize , getMousePosition , getPreferredSize , insets , invalidate , isAncestorOf , isFocusCycleRoot , isFocusCycleRoot , isFocusTraversalPolicyProvider , isFocusTraversalPolicySet , layout , list , list , locate , minimumSize , paint , paintComponents , paramString , preferredSize , print , printComponents , processContainerEvent , processEvent , remove , remove , removeAll , removeContainerListener , removeNotify , setComponentZOrder , setFocusCycleRoot , setFocusTraversalKeys , setFocusTraversalPolicy , setFocusTraversalPolicyProvider , setFont , setLayout , transferFocusBackward , transferFocusDownCycle , update , validate , validateTree

 

Methods inherited from class java.awt. Component

action , add , addComponentListener , addFocusListener , addHierarchyBoundsListener , addHierarchyListener , addInputMethodListener , addKeyListener , addMouseListener , addMouseMotionListener , addMouseWheelListener , bounds , checkImage , checkImage , coalesceEvents , contains , contains , createImage , createImage , createVolatileImage , createVolatileImage , disable , disableEvents , dispatchEvent , enable , enable , enableEvents , enableInputMethods , firePropertyChange , firePropertyChange , firePropertyChange , firePropertyChange , firePropertyChange , firePropertyChange , firePropertyChange , firePropertyChange , firePropertyChange , getBackground , getBounds , getBounds , getColorModel , getComponentListeners , getComponentOrientation , getCursor , getDropTarget , getFocusCycleRootAncestor , getFocusListeners , getFocusTraversalKeysEnabled , getFont , getFontMetrics , getForeground , getGraphics , getGraphicsConfiguration , getHeight , getHierarchyBoundsListeners , getHierarchyListeners , getIgnoreRepaint , getInputContext , getInputMethodListeners , getInputMethodRequests , getKeyListeners , getLocale , getLocation , getLocation , getLocationOnScreen , getMouseListeners , getMouseMotionListeners , getMousePosition , getMouseWheelListeners , getName , getParent , getPeer , getPropertyChangeListeners , getPropertyChangeListeners , getSize , getSize , getToolkit , getTreeLock , getWidth , getX , getY , gotFocus , handleEvent , hasFocus , hide , imageUpdate , inside , isBackgroundSet , isCursorSet , isDisplayable , isDoubleBuffered , isEnabled , isFocusable , isFocusOwner , isFocusTraversable , isFontSet , isForegroundSet , isLightweight , isMaximumSizeSet , isMinimumSizeSet , isOpaque , isPreferredSizeSet , isShowing , isValid , isVisible , keyDown , keyUp , list , list , list , location , lostFocus , mouseDown , mouseDrag , mouseEnter , mouseExit , mouseMove , mouseUp , move , nextFocus , paintAll , postEvent , prepareImage , prepareImage , printAll , processComponentEvent , processFocusEvent , processHierarchyBoundsEvent , processHierarchyEvent , processInputMethodEvent , processKeyEvent , processMouseEvent , processMouseMotionEvent , processMouseWheelEvent , remove , removeComponentListener , removeFocusListener , removeHierarchyBoundsListener , removeHierarchyListener , removeInputMethodListener , removeKeyListener , removeMouseListener , removeMouseMotionListener , removeMouseWheelListener , removePropertyChangeListener , removePropertyChangeListener , repaint , repaint , repaint , repaint , requestFocus , requestFocus , requestFocusInWindow , requestFocusInWindow , reshape , resize , resize , setBackground , setBounds , setBounds , setComponentOrientation , setCursor , setDropTarget , setEnabled , setFocusable , setFocusTraversalKeysEnabled , setForeground , setIgnoreRepaint , setLocale , setLocation , setLocation , setMaximumSize , setMinimumSize , setName , setPreferredSize , setSize , setSize , setVisible , show , show , size , toString , transferFocus , transferFocusUpCycle

 

Methods inherited from class java.lang. Object
clone , equals , finalize , getClass , hashCode , notify , notifyAll , wait , wait , wait

 

Constructor Detail

Panel

public Panel()

Creates a new panel using the default layout manager. The default layout manager for all panels is the FlowLayout class.

Panel

public Panel(LayoutManager layout)

Creates a new panel with the specified layout manager.

Parameters:

layout - the layout manager for this panel.

Since:

JDK1.1

addNotify

public void addNotify()

Creates the Panel's peer. The peer allows you to modify the appearance of the panel without changing its functionality.

Overrides:

addNotify in class Container

See Also:

Component.isDisplayable() , Container.removeNotify()

getAccessibleContext

public AccessibleContext getAccessibleContext()

Gets the AccessibleContext associated with this Panel. For panels, the AccessibleContext takes the form of an AccessibleAWTPanel. A new AccessibleAWTPanel instance is created if necessary.

Specified by:

getAccessibleContext in interface Accessible

Overrides:

getAccessibleContext in class Component

Returns:

an AccessibleAWTPanel that serves as the AccessibleContext of this Panel