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diva.gui
Class AppletContext

java.lang.Object
 extended byjava.awt.Component
 extended byjava.awt.Container
 extended byjava.awt.Panel
 extended byjava.applet.Applet
 extended byjavax.swing.JApplet
 extended bydiva.gui.AppletContext
All Implemented Interfaces:
javax.accessibility.Accessible, AppContext, java.awt.image.ImageObserver, java.awt.MenuContainer, javax.swing.RootPaneContainer, java.io.Serializable
Direct Known Subclasses:
AppletTutorial, BasicGraphDemoApplet, BubbleGraphDemoApplet

public class AppletContext
extends javax.swing.JApplet
implements AppContext

A context for an applet in the diva.gui infrastructure. Generally, all this class does is to pipe the AppContext method through to the appropriate method in the JFrame class. The exit action will be fired when the applet's destroy method is executed. The default exit action does nothing.

Version:
$Id: AppletContext.java,v 1.14 2005年12月14日 04:57:48 cxh Exp $
Author:
Steve Neuendorffer, Michael Shilman
See Also:
Serialized Form

Nested Class Summary
Nested classes inherited from class javax.swing.JApplet
javax.swing.JApplet.AccessibleJApplet
Nested classes inherited from class java.applet.Applet
java.applet.Applet.AccessibleApplet
Nested classes inherited from class java.awt.Panel
java.awt.Panel.AccessibleAWTPanel
Nested classes inherited from class java.awt.Container
java.awt.Container.AccessibleAWTContainer
Nested classes inherited from class java.awt.Component
java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy
Field Summary
Fields inherited from class javax.swing.JApplet
accessibleContext, rootPane, rootPaneCheckingEnabled
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
AppletContext()
Create a new context and set the exit action to do nothing.
Method Summary
void destroy()
Override the superclass's destroy method to call the user-specified exit action.
javax.swing.Action getExitAction()
Return the action that is called back when the user exits the app.
java.awt.Image getIconImage()
Get the image that represents this frame.
javax.swing.JMenuBar getJMenuBar()
Return the menu bar that the container uses.
java.lang.String getTitle()
Return the title of the context.
boolean isVisible()
Return true.
java.awt.Component makeComponent()
Return "this" as a component.
void setExitAction(javax.swing.Action exitAction)
Set the action that is called back when the user exits the app.
void setIconImage(java.awt.Image image)
Set the icon that represents this frame.
void setJMenuBar(javax.swing.JMenuBar menu)
Set the menu bar that the container uses.
void setSize(int w, int h)
Do nothing.
void setTitle(java.lang.String title)
Set the title of the context.
void setVisible(boolean visible)
Do nothing.
void showStatus(java.lang.String status)
Show the given status string at the bottom of the context.
Methods inherited from class javax.swing.JApplet
addImpl, createRootPane, getAccessibleContext, getContentPane, getGlassPane, getLayeredPane, getRootPane, isRootPaneCheckingEnabled, paramString, remove, setContentPane, setGlassPane, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, update
Methods inherited from class java.applet.Applet
getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, init, isActive, newAudioClip, play, play, resize, resize, setStub, start, stop
Methods inherited from class java.awt.Panel
addNotify
Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, transferFocusBackward, transferFocusDownCycle, 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, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, 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, isOpaque, isShowing, isValid, 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, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Methods inherited from interface javax.swing.RootPaneContainer
getContentPane, getGlassPane, getLayeredPane, getRootPane, setContentPane, setGlassPane, setLayeredPane

Constructor Detail

AppletContext

public AppletContext()
Create a new context and set the exit action to do nothing.

Method Detail

destroy

public void destroy()
Override the superclass's destroy method to call the user-specified exit action.


getExitAction

public javax.swing.Action getExitAction()
Return the action that is called back when the user exits the app.

Specified by:
getExitAction in interface AppContext

getIconImage

public java.awt.Image getIconImage()
Get the image that represents this frame.

Specified by:
getIconImage in interface AppContext

getTitle

public java.lang.String getTitle()
Return the title of the context.

Specified by:
getTitle in interface AppContext

getJMenuBar

public javax.swing.JMenuBar getJMenuBar()
Return the menu bar that the container uses.

Specified by:
getJMenuBar in interface AppContext

makeComponent

public java.awt.Component makeComponent()
Return "this" as a component.

Specified by:
makeComponent in interface AppContext

showStatus

public void showStatus(java.lang.String status)
Show the given status string at the bottom of the context. This base class does nothing.

Specified by:
showStatus in interface AppContext

setExitAction

public void setExitAction(javax.swing.Action exitAction)
Set the action that is called back when the user exits the app.

Specified by:
setExitAction in interface AppContext

setTitle

public void setTitle(java.lang.String title)
Set the title of the context. This has no significance in an applet context.

Specified by:
setTitle in interface AppContext

setIconImage

public void setIconImage(java.awt.Image image)
Set the icon that represents this frame.

Specified by:
setIconImage in interface AppContext

setJMenuBar

public void setJMenuBar(javax.swing.JMenuBar menu)
Set the menu bar that the container uses.

Specified by:
setJMenuBar in interface AppContext

setSize

public void setSize(int w,
 int h)
Do nothing.

Specified by:
setSize in interface AppContext

setVisible

public void setVisible(boolean visible)
Do nothing. Applets are always visible.

Specified by:
setVisible in interface AppContext

isVisible

public boolean isVisible()
Return true. Applets are always visible.

Specified by:
isVisible in interface AppContext

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