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Java Source Code / Java Documentation » IDE Eclipse » ui workbench » org.eclipse.ui.internal.texteditor.quickdiff

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.eclipse.ui.internal.texteditor.quickdiff .DocumentLineDiffer

DocumentLineDiffer

public class DocumentLineDiffer implements ILineDiffer,IDocumentListener,IAnnotationModel,ILineDifferExtension,ILineDifferExtension2(Code)

Standard implementation of ILineDiffer as an incremental diff engine. A DocumentLineDiffer can be initialized to some start state. Once connected to a IDocument and a reference document has been set, changes reported via the IDocumentListener interface will be tracked and the incremental diff updated.

The diff state can be queried using the ILineDiffer interface.

Since diff information is model information attached to a document, this class implements IAnnotationModel and can be attached to IAnnotationModelExtensions.

This class is not supposed to be subclassed.

since:
3.0

Field Summary
IQuickDiffReferenceProvider	fReferenceProvider The provider for the reference document.

Constructor Summary
public	DocumentLineDiffer() Creates a new differ.

Method Summary
public void	addAnnotation(Annotation annotation, Position position)
public void	addAnnotationModelListener(IAnnotationModelListener listener)
public void	connect(IDocument document)
public void	disconnect(IDocument document)
public synchronized void	documentAboutToBeChanged(DocumentEvent event)
public synchronized void	documentChanged(DocumentEvent event)
protected void	fireModelChanged() Informs all annotation model listeners that this model has been changed.
protected void	fireModelChanged(AnnotationModelEvent event) Informs all annotation model listeners that this model has been changed as described in the annotation model event.
public Iterator	getAnnotationIterator()
public ILineDiffInfo	getLineInfo(int line)
public Position	getPosition(Annotation annotation)
public IQuickDiffReferenceProvider	getReferenceProvider() Returns the reference provider currently installed, or `null` if none is installed.
void	handleAboutToBeChanged(DocumentEvent event) Unsynchronized version of `documentAboutToBeChanged`, called by `documentAboutToBeChanged` and DocumentLineDiffer.initialize() .
void	handleChanged(DocumentEvent event) Implementation of documentChanged, non synchronized.
protected synchronized void	initialize() (Re-)initializes the differ using the current reference and `DiffInitializer`.
public synchronized boolean	isSuspended() Returns `true` if the differ is suspended.
public synchronized boolean	isSynchronized() Returns the receivers synchronization state.
public void	removeAnnotation(Annotation annotation)
public void	removeAnnotationModelListener(IAnnotationModelListener listener)
public synchronized int	restoreAfterLine(int line)
public synchronized void	resume()
public synchronized void	revertBlock(int line)
public synchronized void	revertLine(int line)
public synchronized void	revertSelection(int line, int nLines)
public void	setReferenceProvider(IQuickDiffReferenceProvider provider) Sets the reference provider for this instance.
public void	suspend()

Field Detail

fReferenceProvider
IQuickDiffReferenceProvider fReferenceProvider(Code)
	The provider for the reference document.

Constructor Detail

DocumentLineDiffer
public DocumentLineDiffer()(Code)
	Creates a new differ.

Method Detail

addAnnotation
public void addAnnotation(Annotation annotation, Position position)(Code)

addAnnotationModelListener
public void addAnnotationModelListener(IAnnotationModelListener listener)(Code)

connect
public void connect(IDocument document)(Code)

disconnect
public void disconnect(IDocument document)(Code)

documentAboutToBeChanged
public synchronized void documentAboutToBeChanged(DocumentEvent event)(Code)

documentChanged
public synchronized void documentChanged(DocumentEvent event)(Code)

fireModelChanged
protected void fireModelChanged()(Code)
	Informs all annotation model listeners that this model has been changed.

fireModelChanged
protected void fireModelChanged(AnnotationModelEvent event)(Code)
	Informs all annotation model listeners that this model has been changed as described in the annotation model event. The event is sent out to all listeners implementing `IAnnotationModelListenerExtension`. All other listeners are notified by just calling `modelChanged(IAnnotationModel)`. Parameters: event - the event to be sent out to the listeners

getAnnotationIterator
public Iterator getAnnotationIterator()(Code)

getLineInfo
public ILineDiffInfo getLineInfo(int line)(Code)

getPosition
public Position getPosition(Annotation annotation)(Code)

getReferenceProvider
public IQuickDiffReferenceProvider getReferenceProvider()(Code)
	Returns the reference provider currently installed, or `null` if none is installed. the current reference provider.

handleAboutToBeChanged
void handleAboutToBeChanged(DocumentEvent event) throws BadLocationException(Code)
	Unsynchronized version of `documentAboutToBeChanged`, called by `documentAboutToBeChanged` and DocumentLineDiffer.initialize() . Parameters: event - the document event to be handled throws: BadLocationException - if document access fails

handleChanged
void handleChanged(DocumentEvent event) throws BadLocationException(Code)
	Implementation of documentChanged, non synchronized. Parameters: event - the document event throws: BadLocationException - if document access fails somewhere

initialize
protected synchronized void initialize()(Code)
	(Re-)initializes the differ using the current reference and `DiffInitializer`. since: 3.2 protected for testing reasons, package visible before

isSuspended
public synchronized boolean isSuspended()(Code)
	Returns `true` if the differ is suspended. `true` if the differ is suspended

isSynchronized
public synchronized boolean isSynchronized()(Code)
	Returns the receivers synchronization state. `true` if we are initialized and in sync with the document.

removeAnnotation
public void removeAnnotation(Annotation annotation)(Code)

removeAnnotationModelListener
public void removeAnnotationModelListener(IAnnotationModelListener listener)(Code)

restoreAfterLine
public synchronized int restoreAfterLine(int line) throws BadLocationException(Code)

resume
public synchronized void resume()(Code)

revertBlock
public synchronized void revertBlock(int line) throws BadLocationException(Code)

revertLine
public synchronized void revertLine(int line) throws BadLocationException(Code)

revertSelection
public synchronized void revertSelection(int line, int nLines) throws BadLocationException(Code)

setReferenceProvider
public void setReferenceProvider(IQuickDiffReferenceProvider provider)(Code)
	Sets the reference provider for this instance. If one has been installed before, it is disposed. Parameters: provider - the new provider

suspend
public void suspend()(Code)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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