Field Detail

rootPane

protected JRootPane rootPane

See Also:

getRootPane(), setRootPane(javax.swing.JRootPane)

rootPaneCheckingEnabled

protected boolean rootPaneCheckingEnabled

If true then calls to add and setLayout will be forwarded to the contentPane. This is initially false, but is set to true when the JApplet is constructed.

See Also:

isRootPaneCheckingEnabled(), setRootPaneCheckingEnabled(boolean), RootPaneContainer

accessibleContext

protected AccessibleContext accessibleContext

AccessibleContext associated with this JApplet

Constructor Detail

JApplet

public JApplet()
        throws HeadlessException

Throws:

HeadlessException - if GraphicsEnvironment.isHeadless() returns true.

See Also:

GraphicsEnvironment.isHeadless(), JComponent.getDefaultLocale()

Method Detail

createRootPane

protected JRootPane createRootPane()

Called by the constructor methods to create the default rootPane.

Returns:

a new JRootPane

setTransferHandler

@BeanProperty(hidden=true,
              description="Mechanism for transfer of data into the component")
public void setTransferHandler​(TransferHandler newHandler)

Parameters:

newHandler - the new TransferHandler

Since:

1.6

See Also:

TransferHandler, getTransferHandler(), Component.setDropTarget(java.awt.dnd.DropTarget)

getTransferHandler

public TransferHandler getTransferHandler()

Gets the transferHandler property.

Returns:

the value of the transferHandler property

Since:

1.6

See Also:

TransferHandler, setTransferHandler(javax.swing.TransferHandler)

update

public void update​(Graphics g)

Just calls paint(g). This method was overridden to prevent an unnecessary call to clear the background.

Overrides:

update in class Container

Parameters:

g - the specified Graphics window

See Also:

Component.update(Graphics)

setJMenuBar

@BeanProperty(bound=false,
              hidden=true,
              description="The menubar for accessing pulldown menus from this applet.")
public void setJMenuBar​(JMenuBar menuBar)

Sets the menubar for this applet.

Parameters:

menuBar - the menubar being placed in the applet

See Also:

getJMenuBar()

getJMenuBar

public JMenuBar getJMenuBar()

Returns the menubar set on this applet.

Returns:

the menubar set on this applet

See Also:

setJMenuBar(javax.swing.JMenuBar)

isRootPaneCheckingEnabled

protected boolean isRootPaneCheckingEnabled()

Returns whether calls to add and setLayout are forwarded to the contentPane.

Returns:

true if add and setLayout are forwarded; false otherwise

See Also:

addImpl(java.awt.Component, java.lang.Object, int), setLayout(java.awt.LayoutManager), setRootPaneCheckingEnabled(boolean), RootPaneContainer

setRootPaneCheckingEnabled

@BeanProperty(hidden=true,
              description="Whether the add and setLayout methods are forwarded")
protected void setRootPaneCheckingEnabled​(boolean enabled)

Sets whether calls to add and setLayout are forwarded to the contentPane.

Parameters:

enabled - true if add and setLayout are forwarded, false if they should operate directly on the JApplet.

See Also:

addImpl(java.awt.Component, java.lang.Object, int), setLayout(java.awt.LayoutManager), isRootPaneCheckingEnabled(), RootPaneContainer

addImpl

protected void addImpl​(Component comp,
                       Object constraints,
                       int index)

Adds the specified child Component. This method is overridden to conditionally forward calls to the contentPane. By default, children are added to the contentPane instead of the frame, refer to RootPaneContainer for details.

Overrides:

addImpl in class Container

Parameters:

comp - the component to be enhanced

constraints - the constraints to be respected

index - the index

Throws:

IllegalArgumentException - if index is invalid

IllegalArgumentException - if adding the container's parent to itself

IllegalArgumentException - if adding a window to a container

See Also:

setRootPaneCheckingEnabled(boolean), RootPaneContainer

remove

public void remove​(Component comp)

Removes the specified component from the container. If comp is not the rootPane, this will forward the call to the contentPane. This will do nothing if comp is not a child of the JFrame or contentPane.

Overrides:

remove in class Container

Parameters:

comp - the component to be removed

Throws:

NullPointerException - if comp is null

See Also:

Container.add(java.awt.Component), RootPaneContainer

setLayout

public void setLayout​(LayoutManager manager)

Sets the LayoutManager. Overridden to conditionally forward the call to the contentPane. Refer to RootPaneContainer for more information.

Overrides:

setLayout in class Container

Parameters:

manager - the LayoutManager

See Also:

setRootPaneCheckingEnabled(boolean), RootPaneContainer

getRootPane

@BeanProperty(bound=false,
              hidden=true,
              description="the RootPane object for this applet.")
public JRootPane getRootPane()

Returns the rootPane object for this applet.

Specified by:

getRootPane in interface RootPaneContainer

Returns:

this components single JRootPane child.

See Also:

setRootPane(javax.swing.JRootPane), RootPaneContainer.getRootPane()

setRootPane

protected void setRootPane​(JRootPane root)

Sets the rootPane property. This method is called by the constructor.

Parameters:

root - the rootPane object for this applet

See Also:

getRootPane()

getContentPane

public Container getContentPane()

Returns the contentPane object for this applet.

Specified by:

getContentPane in interface RootPaneContainer

Returns:

the value of the contentPane property.

See Also:

setContentPane(java.awt.Container), RootPaneContainer.getContentPane()

setContentPane

@BeanProperty(bound=false,
              hidden=true,
              description="The client area of the applet where child components are normally inserted.")
public void setContentPane​(Container contentPane)

Sets the contentPane property. This method is called by the constructor.

Specified by:

setContentPane in interface RootPaneContainer

Parameters:

contentPane - the contentPane object for this applet

Throws:

IllegalComponentStateException - (a runtime exception) if the content pane parameter is null

See Also:

getContentPane(), RootPaneContainer.setContentPane(java.awt.Container)

getLayeredPane

public JLayeredPane getLayeredPane()

Returns the layeredPane object for this applet.

Specified by:

getLayeredPane in interface RootPaneContainer

Returns:

the value of the layeredPane property.

Throws:

IllegalComponentStateException - (a runtime exception) if the layered pane parameter is null

See Also:

setLayeredPane(javax.swing.JLayeredPane), RootPaneContainer.getLayeredPane()

setLayeredPane

@BeanProperty(bound=false,
              hidden=true,
              description="The pane which holds the various applet layers.")
public void setLayeredPane​(JLayeredPane layeredPane)

Sets the layeredPane property. This method is called by the constructor.

Specified by:

setLayeredPane in interface RootPaneContainer

Parameters:

layeredPane - the layeredPane object for this applet

See Also:

getLayeredPane(), RootPaneContainer.setLayeredPane(javax.swing.JLayeredPane)

getGlassPane

public Component getGlassPane()

Returns the glassPane object for this applet.

Specified by:

getGlassPane in interface RootPaneContainer

Returns:

the value of the glassPane property.

See Also:

setGlassPane(java.awt.Component), RootPaneContainer.getGlassPane()

setGlassPane

@BeanProperty(bound=false,
              hidden=true,
              description="A transparent pane used for menu rendering.")
public void setGlassPane​(Component glassPane)

Sets the glassPane property. This method is called by the constructor.

Specified by:

setGlassPane in interface RootPaneContainer

Parameters:

glassPane - the glassPane object for this applet

See Also:

getGlassPane(), RootPaneContainer.setGlassPane(java.awt.Component)

getGraphics

@BeanProperty(bound=false)
public Graphics getGraphics()

Creates a graphics context for this component. This method will return null if this component is currently not displayable.

Overrides:

getGraphics in class Component

Returns:

a graphics context for this component, or null if it has none

Since:

1.6

See Also:

Component.paint(java.awt.Graphics)

repaint

public void repaint​(long time,
                    int x,
                    int y,
                    int width,
                    int height)

Repaints the specified rectangle of this component within time milliseconds. Refer to RepaintManager for details on how the repaint is handled.

Overrides:

repaint in class Component

Parameters:

time - maximum time in milliseconds before update

x - the x coordinate

y - the y coordinate

width - the width

height - the height

Since:

1.6

See Also:

RepaintManager

paramString

protected String paramString()

Returns a string representation of this JApplet. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null.

Overrides:

paramString in class Container

Returns:

a string representation of this JApplet.

getAccessibleContext

public AccessibleContext getAccessibleContext()

Gets the AccessibleContext associated with this JApplet. For JApplets, the AccessibleContext takes the form of an AccessibleJApplet. A new AccessibleJApplet instance is created if necessary.

Specified by:

getAccessibleContext in interface Accessible

Overrides:

getAccessibleContext in class Applet

Returns:

an AccessibleJApplet that serves as the AccessibleContext of this JApplet