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Interface java.awt.swing.text.AbstractDocument.AttributeContext
- public interface AbstractDocument.AttributeContext
An interface that can be used to allow MutableAttributeSet
implementations to use pluggable attribute compression
techniques. Each mutation of the attribute set can be
used to exchange a previous AttributeSet instance with
another, preserving the possibility of the AttributeSet
remaining immutable. An implementation is provided by
the StyleContext class.
The Element implementations provided by this class use
this interface to provide their MutableAttributeSet
implementations, so that different AttributeSet compression
techniques can be employed. The method
getAttributeContext
should be implemented to
return the object responsible for implementing the desired
compression technique.
- See Also:
- StyleContext
addAttribute(AttributeSet, String, Object)
- Adds an attribute to the given set, and returns
the new representative set.
addAttributes(AttributeSet, AttributeSet)
- Adds a set of attributes to the element.
getEmptySet()
- Fetch an empty AttributeSet.
reclaim(AttributeSet)
- This is a way for a MutableAttributeSet to mark that it no
longer need a particular immutable set.
removeAttribute(AttributeSet, String)
- Removes an attribute from the set.
removeAttributes(AttributeSet, AttributeSet)
- Removes a set of attributes for the element.
removeAttributes(AttributeSet, Enumeration)
- Removes a set of attributes for the element.
addAttribute
public abstract AttributeSet addAttribute(AttributeSet old,
String name,
Object value)
- Adds an attribute to the given set, and returns
the new representative set.
- Parameters:
- name - the attribute name
- value - the attribute value
- See Also:
- addAttribute
addAttributes
public abstract AttributeSet addAttributes(AttributeSet old,
AttributeSet attr)
- Adds a set of attributes to the element.
- Parameters:
- attr - the attributes to add
- See Also:
- addAttribute
removeAttribute
public abstract AttributeSet removeAttribute(AttributeSet old,
String name)
- Removes an attribute from the set.
- Parameters:
- name - the attribute name
- See Also:
- removeAttribute
removeAttributes
public abstract AttributeSet removeAttributes(AttributeSet old,
Enumeration names)
- Removes a set of attributes for the element.
- Parameters:
- names - the attribute names
- See Also:
- removeAttributes
removeAttributes
public abstract AttributeSet removeAttributes(AttributeSet old,
AttributeSet attrs)
- Removes a set of attributes for the element.
- Parameters:
- attrs - the attributes
- See Also:
- removeAttributes
getEmptySet
public abstract AttributeSet getEmptySet()
- Fetch an empty AttributeSet.
reclaim
public abstract void reclaim(AttributeSet a)
- This is a way for a MutableAttributeSet to mark that it no
longer need a particular immutable set. This is only necessary
in 1.1 where there are no weak references. A 1.1 implementation
would call this in it's finalize method.
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