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JavaTM 2 Platform Std. Ed. v1.4.2
javax.swing
|
Nested Class Summary | |
protected class |
JWindow.AccessibleJWindow
This class implements accessibility support for the JWindow class. |
Nested classes inherited from class java.awt.Window |
Window.AccessibleAWTWindow |
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 | |
protected AccessibleContext |
accessibleContext
The accessible context property. |
protected JRootPane |
rootPane
The JRootPane instance that manages the
contentPane
and optional menuBar for this frame, as well as the
glassPane . |
protected boolean |
rootPaneCheckingEnabled
If true then calls to add and setLayout
will cause an exception to be thrown. |
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 | |
JWindow()
Creates a window with no specified owner. |
|
JWindow(Frame owner)
Creates a window with the specified owner frame. |
|
JWindow(GraphicsConfiguration gc)
Creates a window with the specified GraphicsConfiguration
of a screen device. |
|
JWindow(Window owner)
Creates a window with the specified owner window. |
|
JWindow(Window owner,
GraphicsConfiguration gc)
Creates a window with the specified owner window and GraphicsConfiguration of a screen device. |
Method Summary | |
protected void |
addImpl(Component comp,
Object constraints,
int index)
By default, children may not be added directly to a this component, they must be added to its contentPane instead. |
protected JRootPane |
createRootPane()
Called by the constructor methods to create the default rootPane . |
AccessibleContext |
getAccessibleContext()
Gets the AccessibleContext associated with this JWindow. |
Container |
getContentPane()
Returns the Container which is the contentPane
for this window. |
Component |
getGlassPane()
Returns the glassPane Component for this window. |
JLayeredPane |
getLayeredPane()
Returns the layeredPane object for this window. |
JRootPane |
getRootPane()
Returns the rootPane object for this window. |
protected boolean |
isRootPaneCheckingEnabled()
Returns whether calls to add and
setLayout will cause an exception to be thrown. |
protected String |
paramString()
Returns a string representation of this JWindow . |
void |
remove(Component comp)
Removes the specified component from this container. |
void |
setContentPane(Container contentPane)
Sets the contentPane property for this window. |
void |
setGlassPane(Component glassPane)
Sets the glassPane property. |
void |
setLayeredPane(JLayeredPane layeredPane)
Sets the layeredPane property. |
void |
setLayout(LayoutManager manager)
By default the layout of this component may not be set, the layout of its contentPane should be set instead. |
protected void |
setRootPane(JRootPane root)
Sets the new rootPane object for this window. |
protected void |
setRootPaneCheckingEnabled(boolean enabled)
Determines whether calls to add and
setLayout will cause an exception to be thrown. |
void |
update(Graphics g)
Calls paint(g) . |
protected void |
windowInit()
Called by the constructors to init the JWindow properly. |
Methods inherited from class java.lang.Object |
clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
protected JRootPane rootPane
JRootPane
instance that manages the
contentPane
and optional menuBar
for this frame, as well as the
glassPane
.
protected boolean rootPaneCheckingEnabled
add
and setLayout
will cause an exception to be thrown.
protected AccessibleContext accessibleContext
Constructor Detail |
public JWindow()
This constructor sets the component's locale property to the value
returned by JComponent.getDefaultLocale
.
HeadlessException
- if
GraphicsEnvironment.isHeadless()
returns true.GraphicsEnvironment.isHeadless()
,
Window.isFocusableWindow()
,
JComponent.getDefaultLocale()
public JWindow(GraphicsConfiguration gc)
GraphicsConfiguration
of a screen device. This window will not be focusable.
This constructor sets the component's locale property to the value
returned by JComponent.getDefaultLocale
.
gc
- the GraphicsConfiguration
that is used
to construct the new window with; if gc is null
,
the system default GraphicsConfiguration
is assumed
HeadlessException
- If
GraphicsEnvironment.isHeadless()
returns true.
IllegalArgumentException
- if gc
is not from
a screen device.GraphicsEnvironment.isHeadless()
,
Window.isFocusableWindow()
,
JComponent.getDefaultLocale()
public JWindow(Frame owner)
owner
is null
, the shared owner
will be used and this window will not be focusable. Also,
this window will not be focusable unless its owner is showing
on the screen.
This constructor sets the component's locale property to the value
returned by JComponent.getDefaultLocale
.
owner
- the frame from which the window is displayed
HeadlessException
- if GraphicsEnvironment.isHeadless()
returns true.GraphicsEnvironment.isHeadless()
,
Window.isFocusableWindow()
,
JComponent.getDefaultLocale()
public JWindow(Window owner)
owner
is null
, the shared owner
will be used and this window will not be focusable.
This constructor sets the component's locale property to the value
returned by JComponent.getDefaultLocale
.
owner
- the window from which the window is displayed
HeadlessException
- if
GraphicsEnvironment.isHeadless()
returns true.GraphicsEnvironment.isHeadless()
,
Window.isFocusableWindow()
,
JComponent.getDefaultLocale()
public JWindow(Window owner, GraphicsConfiguration gc)
GraphicsConfiguration
of a screen device. If
owner
is null
, the shared owner will be used
and this window will not be focusable.
This constructor sets the component's locale property to the value
returned by JComponent.getDefaultLocale
.
owner
- the window from which the window is displayedgc
- the GraphicsConfiguration
that is used
to construct the new window with; if gc is null
,
the system default GraphicsConfiguration
is assumed, unless owner
is also null, in which
case the GraphicsConfiguration
from the
shared owner frame will be used.
HeadlessException
- if
GraphicsEnvironment.isHeadless()
returns true.
IllegalArgumentException
- if gc
is not from
a screen device.GraphicsEnvironment.isHeadless()
,
Window.isFocusableWindow()
,
JComponent.getDefaultLocale()
Method Detail |
protected void windowInit()
JWindow
properly.
protected JRootPane createRootPane()
rootPane
.
protected boolean isRootPaneCheckingEnabled()
add
and
setLayout
will cause an exception to be thrown.
add
and setLayout
are checkedaddImpl(java.awt.Component, java.lang.Object, int)
,
setLayout(java.awt.LayoutManager)
,
setRootPaneCheckingEnabled(boolean)
public void update(Graphics g)
paint(g)
. This method was overridden to
prevent an unnecessary call to clear the background.
g
- the Graphics
context in which to paintComponent.update(Graphics)
protected void setRootPaneCheckingEnabled(boolean enabled)
add
and
setLayout
will cause an exception to be thrown.
enabled
- a boolean value, true if checking is to be
enabled, which cause the exceptions to be thrownaddImpl(java.awt.Component, java.lang.Object, int)
,
setLayout(java.awt.LayoutManager)
,
isRootPaneCheckingEnabled()
protected void addImpl(Component comp, Object constraints, int index)
contentPane
instead. For example:
thisComponent.getContentPane().add(child)An attempt to add to directly to this component will cause an runtime exception to be thrown. Subclasses can disable this behavior.
comp
- the component to be enhancedconstraints
- the constraints to be enforced on the componentindex
- the index of the component
Error
- if called with rootPaneChecking
truesetRootPaneCheckingEnabled(boolean)
public void remove(Component comp)
comp
- the component to be removedContainer.add(java.awt.Component)
public void setLayout(LayoutManager manager)
thisComponent.getContentPane().setLayout(new GridLayout(1, 2))An attempt to set the layout of this component will cause an runtime exception to be thrown. Subclasses can disable this behavior.
manager
- the layout manager for the window
Error
- if called with rootPaneChecking
truesetRootPaneCheckingEnabled(boolean)
public JRootPane getRootPane()
rootPane
object for this window.
getRootPane
in interface RootPaneContainer
rootPane
property for this windowsetRootPane(javax.swing.JRootPane)
,
RootPaneContainer.getRootPane()
protected void setRootPane(JRootPane root)
rootPane
object for this window.
This method is called by the constructor.
root
- the new rootPane
propertygetRootPane()
public Container getContentPane()
Container
which is the contentPane
for this window.
getContentPane
in interface RootPaneContainer
contentPane
propertysetContentPane(java.awt.Container)
,
RootPaneContainer.getContentPane()
public void setContentPane(Container contentPane)
contentPane
property for this window.
This method is called by the constructor.
setContentPane
in interface RootPaneContainer
contentPane
- the new contentPane
IllegalComponentStateException
- (a runtime
exception) if the content pane parameter is null
getContentPane()
,
RootPaneContainer.setContentPane(java.awt.Container)
public JLayeredPane getLayeredPane()
layeredPane
object for this window.
getLayeredPane
in interface RootPaneContainer
layeredPane
propertysetLayeredPane(javax.swing.JLayeredPane)
,
RootPaneContainer.getLayeredPane()
public void setLayeredPane(JLayeredPane layeredPane)
layeredPane
property.
This method is called by the constructor.
setLayeredPane
in interface RootPaneContainer
layeredPane
- the new layeredPane
object
IllegalComponentStateException
- (a runtime
exception) if the content pane parameter is null
getLayeredPane()
,
RootPaneContainer.setLayeredPane(javax.swing.JLayeredPane)
public Component getGlassPane()
glassPane Component
for this window.
getGlassPane
in interface RootPaneContainer
glassPane
propertysetGlassPane(java.awt.Component)
,
RootPaneContainer.getGlassPane()
public void setGlassPane(Component glassPane)
glassPane
property.
This method is called by the constructor.
setGlassPane
in interface RootPaneContainer
glassPane
- the glassPane
object for this windowgetGlassPane()
,
RootPaneContainer.setGlassPane(java.awt.Component)
protected String paramString()
JWindow
.
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
.
paramString
in class Container
JWindow
public AccessibleContext getAccessibleContext()
getAccessibleContext
in interface Accessible
getAccessibleContext
in class Window