Package com.day.util.diff

Interface ChangeListener

All Known Implementing Classes:

DefaultChangeListener, InlineChangeListener

public interface ChangeListener

Listener that is called for each line in a document. See DocumentDiff.showChanges(ChangeListener, int) for details.

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	CVS_ID	The CVS/SVN id

Method Summary

Modifier and Type	Method	Description
void	onChangeEnd()	Invoked after a change finished.
void	onChangeStart(int leftElem, int leftLen, int rightElem, int rightLen)	Invoked before a change starts.
void	onDeleted(int leftIdx, int rightIdx, Document.Element elem)	Invoked for a deleted element
void	onDocumentsEnd(Document left, Document right)	Invoked after the iteration over the changes finished.
void	onDocumentsStart(Document left, Document right)	Invoked before the iteration over the changes start.
void	onInserted(int leftIdx, int rightIdx, Document.Element elem)	Invoked for an inserted element
void	onUnmodified(int leftIdx, int rightIdx, Document.Element elem)	Invoked for an unmodified element

Field Detail

CVS_ID

static final java.lang.String CVS_ID

The CVS/SVN id

See Also:

Constant Field Values

Method Detail

onDocumentsStart

void onDocumentsStart(Document left,
                      Document right)

Invoked before the iteration over the changes start.

Parameters:

left - the left document

right - the right document

onDocumentsEnd

void onDocumentsEnd(Document left,
                    Document right)

Invoked after the iteration over the changes finished.

Parameters:

left - the left document

right - the right document

onChangeStart

void onChangeStart(int leftElem,
                   int leftLen,
                   int rightElem,
                   int rightLen)

Invoked before a change starts.

Parameters:

leftElem - the index of the left element of this change.

leftLen - the number of changed left elements.

rightElem - the index of the right element of this change.

rightLen - the number of changed right elements.

onChangeEnd

void onChangeEnd()

Invoked after a change finished.

onUnmodified

void onUnmodified(int leftIdx,
                  int rightIdx,
                  Document.Element elem)

Invoked for an unmodified element

Parameters:

leftIdx - the index of the left element

rightIdx - the index of the right element

elem - the element

onDeleted

void onDeleted(int leftIdx,
               int rightIdx,
               Document.Element elem)

Invoked for a deleted element

Parameters:

leftIdx - the index of the left element

rightIdx - the index of the right element

elem - the element

onInserted

void onInserted(int leftIdx,
                int rightIdx,
                Document.Element elem)

Invoked for an inserted element

Parameters:

leftIdx - the index of the left element

rightIdx - the index of the right element

elem - the element