javax.swing.text
Class AbstractDocument.BranchElement

java.lang.Object
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  +--javax.swing.text.AbstractDocument.AbstractElement
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        +--javax.swing.text.AbstractDocument.BranchElement

Direct Known Subclasses:

DefaultStyledDocument.SectionElement, HTMLDocument.BlockElement

public class AbstractDocument.BranchElement

extends AbstractDocument.AbstractElement

Implements a composite element that contains other elements.

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 applications running the same version of Swing. A future release of Swing will provide support for long term persistence.

See Also:

Serialized Form

Constructor Summary

AbstractDocument.BranchElement(Element parent, AttributeSet a)
Constructs a composite element that initially contains no children.

Method Summary

Enumeration	children() Returns the children of the reciever as an Enumeration.
boolean	getAllowsChildren() Returns true if the receiver allows children.
Element	getElement(int index) Gets a child element.
int	getElementCount() Gets the number of children for the element.
int	getElementIndex(int offset) Gets the child element index closest to the given model offset.
int	getEndOffset() Gets the ending offset in the model for the element.
String	getName() Gets the element name.
int	getStartOffset() Gets the starting offset in the model for the element.
boolean	isLeaf() Checks whether the element is a leaf.
Element	positionToElement(int pos) Gets the child element that contains the given model position.
void	replace(int offset, int length, Element[] elems) Replaces content with a new set of elements.
String	toString() Converts the element to a string.

Methods inherited from class javax.swing.text.AbstractDocument.AbstractElement

addAttribute, addAttributes, containsAttribute, containsAttributes, copyAttributes, dump, finalize, getAttribute, getAttributeCount, getAttributeNames, getAttributes, getChildAt, getChildCount, getDocument, getIndex, getParent, getParentElement, getResolveParent, isDefined, isEqual, removeAttribute, removeAttributes, removeAttributes, setResolveParent

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractDocument.BranchElement

public AbstractDocument.BranchElement(Element parent,
                                      AttributeSet a)

Constructs a composite element that initially contains no children.

Parameters:

parent - The parent element

a - the attributes for the element

Method Detail

positionToElement

public Element positionToElement(int pos)

Gets the child element that contains the given model position.

Parameters:

pos - the position >= 0

Returns:

the element, null if none

replace

public void replace(int offset,
                    int length,
                    Element[] elems)

Replaces content with a new set of elements.

Parameters:

offset - the starting offset >= 0

length - the length to replace >= 0

elems - the new elements

toString

public String toString()

Converts the element to a string.

Returns:

the string

Overrides:

toString in class Object

getName

public String getName()

Gets the element name.

Returns:

the element name

Overrides:

getName in class AbstractDocument.AbstractElement

getStartOffset

public int getStartOffset()

Gets the starting offset in the model for the element.

Returns:

the offset >= 0

Overrides:

getStartOffset in class AbstractDocument.AbstractElement

getEndOffset

public int getEndOffset()

Gets the ending offset in the model for the element.

Returns:

the offset >= 0

Overrides:

getEndOffset in class AbstractDocument.AbstractElement

getElement

public Element getElement(int index)

Gets a child element.

Parameters:

index - the child index, >= 0 && < getElementCount()

Returns:

the child element, null if none

Overrides:

getElement in class AbstractDocument.AbstractElement

getElementCount

public int getElementCount()

Gets the number of children for the element.

Returns:

the number of children >= 0

Overrides:

getElementCount in class AbstractDocument.AbstractElement

getElementIndex

public int getElementIndex(int offset)

Gets the child element index closest to the given model offset.

Parameters:

offset - the offset >= 0

Returns:

the element index >= 0

Overrides:

getElementIndex in class AbstractDocument.AbstractElement

isLeaf

public boolean isLeaf()

Checks whether the element is a leaf.

Returns:

true if a leaf

Overrides:

isLeaf in class AbstractDocument.AbstractElement

getAllowsChildren

public boolean getAllowsChildren()

Returns true if the receiver allows children.

Overrides:

getAllowsChildren in class AbstractDocument.AbstractElement

children

public Enumeration children()

Returns the children of the reciever as an Enumeration.

Overrides:

children in class AbstractDocument.AbstractElement