Class SynthLabelUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.LabelUI

javax.swing.plaf.basic.BasicLabelUI

javax.swing.plaf.synth.SynthLabelUI

All Implemented Interfaces:

PropertyChangeListener, EventListener, SynthConstants, SynthUI

public class SynthLabelUI
extends BasicLabelUI
implements SynthUI

Provides the Synth L&F UI delegate for JLabel.

Since:

1.7

Field Summary

Fields inherited from class BasicLabelUI

labelUI

Modifier and Type	Field	Description
protected static BasicLabelUI	labelUI	The default BasicLabelUI instance.

Fields inherited from interface SynthConstants

DEFAULT, DISABLED, ENABLED, FOCUSED, MOUSE_OVER, PRESSED, SELECTED

Modifier and Type	Field	Description
static final int	DEFAULT	Indicates the region is the default.
static final int	DISABLED	Primary state indicating the region is not enabled.
static final int	ENABLED	Primary state indicating the component is enabled.
static final int	FOCUSED	Indicates the region has focus.
static final int	MOUSE_OVER	Primary state indicating the mouse is over the region.
static final int	PRESSED	Primary state indicating the region is in a pressed state.
static final int	SELECTED	Indicates the region is selected.

Constructor Summary

Constructors

Constructor	Description
SynthLabelUI()	Constructs a SynthLabelUI.

Method Summary

Modifier and Type	Method	Description
static ComponentUI	createUI(JComponent c)	Returns the LabelUI implementation used for the skins look and feel.
int	getBaseline(JComponent c, int width, int height)	Returns the baseline.
SynthContext	getContext(JComponent c)	Returns the Context for the specified component.
Dimension	getMaximumSize(JComponent c)	Returns the specified component's maximum size appropriate for the look and feel.
Dimension	getMinimumSize(JComponent c)	Returns the specified component's minimum size appropriate for the look and feel.
Dimension	getPreferredSize(JComponent c)	Returns the specified component's preferred size appropriate for the look and feel.
protected void	installDefaults(JLabel c)	Installs default properties.
void	paint(Graphics g, JComponent c)	Paints the specified component according to the Look and Feel.
protected void	paint(SynthContext context, Graphics g)	Paints the specified component.
void	paintBorder(SynthContext context, Graphics g, int x, int y, int w, int h)	Paints the border.
void	propertyChange(PropertyChangeEvent e)	This method gets called when a bound property is changed.
protected void	uninstallDefaults(JLabel c)	Uninstalls default properties.
void	update(Graphics g, JComponent c)	Notifies this UI delegate to repaint the specified component.

Methods inherited from class BasicLabelUI

getBaselineResizeBehavior, installComponents, installKeyboardActions, installListeners, installUI, layoutCL, paintDisabledText, paintEnabledText, uninstallComponents, uninstallKeyboardActions, uninstallListeners, uninstallUI

Modifier and Type	Method	Description
Component.BaselineResizeBehavior	getBaselineResizeBehavior(JComponent c)	Returns an enum indicating how the baseline of the component changes as the size changes.
protected void	installComponents(JLabel c)	Registers components.
protected void	installKeyboardActions(JLabel l)	Registers keyboard actions.
protected void	installListeners(JLabel c)	Registers listeners.
void	installUI(JComponent c)	Configures the specified component appropriately for the look and feel.
protected String	layoutCL(JLabel label, FontMetrics fontMetrics, String text, Icon icon, Rectangle viewR, Rectangle iconR, Rectangle textR)	Forwards the call to SwingUtilities.layoutCompoundLabel().
protected void	paintDisabledText(JLabel l, Graphics g, String s, int textX, int textY)	Paint clippedText at textX, textY with background.lighter() and then shifted down and to the right by one pixel with background.darker().
protected void	paintEnabledText(JLabel l, Graphics g, String s, int textX, int textY)	Paint clippedText at textX, textY with the labels foreground color.
protected void	uninstallComponents(JLabel c)	Unregisters components.
protected void	uninstallKeyboardActions(JLabel c)	Unregisters keyboard actions.
protected void	uninstallListeners(JLabel c)	Unregisters listeners.
void	uninstallUI(JComponent c)	Reverses configuration which was done on the specified component during installUI.

Methods inherited from class ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount

Modifier and Type	Method	Description
boolean	contains(JComponent c, int x, int y)	Returns true if the specified x,y location is contained within the look and feel's defined shape of the specified component.
Accessible	getAccessibleChild(JComponent c, int i)	Returns the ith Accessible child of the object.
int	getAccessibleChildrenCount(JComponent c)	Returns the number of accessible children in the object.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Modifier and Type	Method	Description
protected Object	clone()	Creates and returns a copy of this object.
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
final Class<?>	getClass()	Returns the runtime class of this Object.
int	hashCode()	Returns a hash code value for this object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
String	toString()	Returns a string representation of the object.
final void	wait()	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void	wait(long timeoutMillis)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void	wait(long timeoutMillis, int nanos)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Constructor Details

SynthLabelUI

public SynthLabelUI()

Constructs a SynthLabelUI.

Method Details

createUI

public static ComponentUI createUI(JComponent c)

Returns the LabelUI implementation used for the skins look and feel.

Parameters:

c - component to create UI object for

Returns:

the UI object

installDefaults

protected void installDefaults(JLabel c)

Installs default properties.

Overrides:

installDefaults in class BasicLabelUI

Parameters:

c - an instance of JLabel

uninstallDefaults

protected void uninstallDefaults(JLabel c)

Uninstalls default properties.

Overrides:

uninstallDefaults in class BasicLabelUI

Parameters:

c - an instance of JLabel

getContext

public SynthContext getContext(JComponent c)

Returns the Context for the specified component.

Specified by:

getContext in interface SynthUI

Parameters:

c - Component requesting SynthContext.

Returns:

SynthContext describing component.

getBaseline

public int getBaseline(JComponent c,
 int width,
 int height)

Returns the baseline.

Overrides:

getBaseline in class BasicLabelUI

Parameters:

c - JComponent baseline is being requested for

width - the width to get the baseline for

height - the height to get the baseline for

Returns:

baseline or a value < 0 indicating there is no reasonable baseline

See Also:

• JComponent.getBaseline(int, int)

update

public void update(Graphics g,
 JComponent c)

Notifies this UI delegate to repaint the specified component. This method paints the component background, then calls the paint(SynthContext,Graphics) method.

In general, this method does not need to be overridden by subclasses. All Look and Feel rendering code should reside in the paint method.

Overrides:

update in class ComponentUI

Parameters:

g - the Graphics object used for painting

c - the component being painted

See Also:

• paint(SynthContext,Graphics)

paint

public void paint(Graphics g,
 JComponent c)

Paints the specified component according to the Look and Feel.

This method is not used by Synth Look and Feel. Painting is handled by the paint(SynthContext,Graphics) method.

Overrides:

paint in class BasicLabelUI

Parameters:

g - the Graphics object used for painting

c - the component being painted

See Also:

• paint(SynthContext,Graphics)

paint

protected void paint(SynthContext context,
 Graphics g)

Paints the specified component.

Parameters:

context - context for the component being painted

g - the Graphics object used for painting

See Also:

• update(Graphics,JComponent)

paintBorder

public void paintBorder(SynthContext context,
 Graphics g,
 int x,
 int y,
 int w,
 int h)

Paints the border.

Specified by:

paintBorder in interface SynthUI

Parameters:

context - a component context

g - Graphics to paint on

x - the X coordinate

y - the Y coordinate

w - width of the border

h - height of the border

getPreferredSize

public Dimension getPreferredSize(JComponent c)

Returns the specified component's preferred size appropriate for the look and feel. If null is returned, the preferred size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method returns null.

Overrides:

getPreferredSize in class BasicLabelUI

Parameters:

c - the component whose preferred size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components

Returns:

a Dimension object containing given component's preferred size appropriate for the look and feel

See Also:

• JComponent.getPreferredSize()
• LayoutManager.preferredLayoutSize(Container)

getMinimumSize

public Dimension getMinimumSize(JComponent c)

Returns the specified component's minimum size appropriate for the look and feel. If null is returned, the minimum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes getPreferredSize and returns that value.

Overrides:

getMinimumSize in class BasicLabelUI

Parameters:

c - the component whose minimum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components

Returns:

getPreferredSize(c)

See Also:

• JComponent.getMinimumSize()
• LayoutManager.minimumLayoutSize(Container)
• ComponentUI.getPreferredSize(JComponent)

getMaximumSize

public Dimension getMaximumSize(JComponent c)

Returns the specified component's maximum size appropriate for the look and feel. If null is returned, the maximum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes getPreferredSize and returns that value.

Overrides:

getMaximumSize in class BasicLabelUI

Parameters:

c - the component whose maximum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components

Returns:

getPreferredSize(c)

See Also:

• JComponent.getMaximumSize()
• LayoutManager2.maximumLayoutSize(Container)

propertyChange

public void propertyChange(PropertyChangeEvent e)

This method gets called when a bound property is changed.

Specified by:

propertyChange in interface PropertyChangeListener

Overrides:

propertyChange in class BasicLabelUI

Parameters:

e - A PropertyChangeEvent object describing the event source and the property that has changed.