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Class com.sun.java.swing.text.StyleContext.NamedStyle

java.lang.Object
  |
  +--com.sun.java.swing.text.StyleContext.NamedStyle

public class StyleContext.NamedStyle

extends java.lang.Object

implements Style, java.io.Serializable

A collection of attributes, typically used to represent character and paragraph styles. This is an implementation of MutableAttributeSet that can be observed if desired. These styles will take advantage of immutability while the sets are small enough, and may be substantially more efficient than something like SimpleAttributeSet.

Warning: serialized objects of this class will not be compatible with future swing releases. The current serialization support is appropriate for short term storage or RMI between Swing1.0 applications. It will not be possible to load serialized Swing1.0 objects with future releases of Swing. The JDK1.2 release of Swing will be the compatibility baseline for the serialized form of Swing objects.

See Also:

Serialized Form

Field Summary

ChangeEvent	changeEvent Only one ChangeEvent is needed per model instance since the event's only (read-only) state is the source property.
EventListenerList	listenerList The change listeners for the model.

Constructor Summary

StyleContext.NamedStyle(StyleContext this$0, java.lang.String name, Style parent)
Creates a new named style.

StyleContext.NamedStyle(StyleContext this$0, Style parent)
Creates a new named style.

StyleContext.NamedStyle(StyleContext this$0)
Creates a new named style, with a null name and parent.

Method Summary

void	addAttributes(AttributeSet attr) Adds a set of attributes to the element.
void	addAttribute(java.lang.Object name, java.lang.Object value) Adds an attribute.
void	addChangeListener(ChangeListener l) Adds a change listener.
boolean	containsAttributes(AttributeSet attrs) Checks whether the element contains all the attributes.
boolean	containsAttribute(java.lang.Object name, java.lang.Object value) Checks whether a given attribute name/value is defined.
AttributeSet	copyAttributes() Copies a set of attributes.
void	fireStateChanged() Notifies all listeners that have registered interest for notification on this event type.
int	getAttributeCount() Gets the number of attributes that are defined.
java.util.Enumeration	getAttributeNames() Gets the names of all attributes.
java.lang.Object	getAttribute(java.lang.Object attrName) Gets the value of an attribute.
java.lang.String	getName() Fetches the name of the style.
AttributeSet	getResolveParent() Gets attributes from the parent.
boolean	isDefined(java.lang.Object attrName) Checks whether a given attribute is defined.
boolean	isEqual(AttributeSet attr) Checks whether two attribute sets are equal.
void	removeAttributes(java.util.Enumeration names) Removes a set of attributes for the element.
void	removeAttributes(AttributeSet attrs) Removes a set of attributes for the element.
void	removeAttribute(java.lang.Object name) Removes an attribute from the set.
void	removeChangeListener(ChangeListener l) Removes a change listener.
void	setName(java.lang.String name) Changes the name of the style.
void	setResolveParent(AttributeSet parent) Sets the resolving parent.
java.lang.String	toString() Converts the style to a string.

Methods inherited from class java.lang.Object

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

Field Detail

listenerList

protected EventListenerList listenerList

The change listeners for the model.

changeEvent

protected ChangeEvent changeEvent

Only one ChangeEvent is needed per model instance since the event's only (read-only) state is the source property. The source of events generated here is always "this".

Constructor Detail

StyleContext.NamedStyle

public StyleContext.NamedStyle(StyleContext this$0,
                               java.lang.String name,
                               Style parent)

Creates a new named style.

Parameters:

name - the style name, null for unnamed

parent - the parent style, null if none

StyleContext.NamedStyle

public StyleContext.NamedStyle(StyleContext this$0,
                               Style parent)

Creates a new named style.

Parameters:

parent - the parent style, null if none

StyleContext.NamedStyle

public StyleContext.NamedStyle(StyleContext this$0)

Creates a new named style, with a null name and parent.

Method Detail

toString

public java.lang.String toString()

Converts the style to a string.

Returns:

the string

Overrides:

toString in class java.lang.Object

getName

public java.lang.String getName()

Fetches the name of the style. A style is not required to be named, so null is returned if there is no name associated with the style.

Specified by:

getName in interface Style

Returns:

the name

setName

public void setName(java.lang.String name)

Changes the name of the style. Does nothing with a null name.

Parameters:

name - the new name

addChangeListener

public void addChangeListener(ChangeListener l)

Adds a change listener.

Specified by:

addChangeListener in interface Style

Parameters:

l - the change listener

See Also:

Attributes#addChangeListener

removeChangeListener

public void removeChangeListener(ChangeListener l)

Removes a change listener.

Specified by:

removeChangeListener in interface Style

Parameters:

l - the change listener

See Also:

Attributes#removeChangeListener

fireStateChanged

protected void fireStateChanged()

Notifies all listeners that have registered interest for notification on this event type. The event instance is lazily created using the parameters passed into the fire method.

See Also:

EventListenerList

getAttributeCount

public int getAttributeCount()

Gets the number of attributes that are defined.

Returns:

the number of attributes >= 0

See Also:

getAttributeCount

isDefined

public boolean isDefined(java.lang.Object attrName)

Checks whether a given attribute is defined.

Parameters:

attrName - the non-null attribute name

Returns:

true if the attribute is defined

See Also:

isDefined

isEqual

public boolean isEqual(AttributeSet attr)

Checks whether two attribute sets are equal.

Parameters:

attr - the attribute set to check against

Returns:

true if the same

See Also:

isEqual

copyAttributes

public AttributeSet copyAttributes()

Copies a set of attributes.

Returns:

the copy

See Also:

copyAttributes

getAttribute

public java.lang.Object getAttribute(java.lang.Object attrName)

Gets the value of an attribute.

Parameters:

attrName - the non-null attribute name

Returns:

the attribute value

See Also:

getAttribute

getAttributeNames

public java.util.Enumeration getAttributeNames()

Gets the names of all attributes.

Returns:

the attribute names as an enumeration

See Also:

getAttributeNames

containsAttribute

public boolean containsAttribute(java.lang.Object name,
                                 java.lang.Object value)

Checks whether a given attribute name/value is defined.

Parameters:

name - the non-null attribute name

value - the attribute value

Returns:

true if the name/value is defined

See Also:

containsAttribute

containsAttributes

public boolean containsAttributes(AttributeSet attrs)

Checks whether the element contains all the attributes.

Parameters:

attrs - the attributes to check

Returns:

true if the element contains all the attributes

See Also:

containsAttributes

getResolveParent

public AttributeSet getResolveParent()

Gets attributes from the parent. If not overriden, the resolving parent defaults to the parent element.

Returns:

the attributes from the parent

See Also:

getResolveParent

addAttribute

public void addAttribute(java.lang.Object name,
                         java.lang.Object value)

Adds an attribute.

Parameters:

name - the non-null attribute name

value - the attribute value

See Also:

addAttribute

addAttributes

public void addAttributes(AttributeSet attr)

Adds a set of attributes to the element.

Parameters:

attr - the attributes to add

See Also:

addAttribute

removeAttribute

public void removeAttribute(java.lang.Object name)

Removes an attribute from the set.

Parameters:

name - the non-null attribute name

See Also:

removeAttribute

removeAttributes

public void removeAttributes(java.util.Enumeration names)

Removes a set of attributes for the element.

Parameters:

names - the attribute names

See Also:

removeAttributes

removeAttributes

public void removeAttributes(AttributeSet attrs)

Removes a set of attributes for the element.

Parameters:

attrs - the attributes

See Also:

removeAttributes

setResolveParent

public void setResolveParent(AttributeSet parent)

Sets the resolving parent.

Parameters:

parent - the parent, null if none

See Also:

setResolveParent