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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.annotatedlineeditor;
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import java.util.List;
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import org.apache.log4j.Logger;
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import org.eclipse.jface.text.BadLocationException;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.IRegion;
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import org.eclipse.jface.text.Position;
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import org.eclipse.jface.text.reconciler.DirtyRegion;
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import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
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import org.eclipse.jface.text.source.Annotation;
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import org.eclipse.jface.text.source.IAnnotationModel;
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import org.eclipse.jface.text.source.ISourceViewer;
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/**
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* Doesn't work!
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*
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* @author p.ciardelli
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* @created 25.06.2009
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* @version 1.0
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*/
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public class AnnotatedLineEditorReconcilingStrategy implements IReconcilingStrategy {
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private static final Logger logger = Logger
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.getLogger(AnnotatedLineEditorReconcilingStrategy.class);
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private IDocument document;
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private ISourceViewer viewer;
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/**
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* <p>Constructor for AnnotatedLineEditorReconcilingStrategy.</p>
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*
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* @param sourceViewer a {@link org.eclipse.jface.text.source.ISourceViewer} object.
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*/
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public AnnotatedLineEditorReconcilingStrategy(ISourceViewer sourceViewer) {
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this.viewer = sourceViewer;
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.IRegion)
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*/
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/** {@inheritDoc} */
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public void reconcile(IRegion partition) {
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// not used
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.reconciler.DirtyRegion, org.eclipse.jface.text.IRegion)
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*/
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/** {@inheritDoc} */
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public void reconcile(DirtyRegion dirtyRegion, IRegion subRegion) {
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try {
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doReconcile(dirtyRegion);
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} catch (BadLocationException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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synchronized private void doReconcile(DirtyRegion dirtyRegion) throws BadLocationException {
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// Get all affected lines
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int dirtyOffset = dirtyRegion.getOffset();
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int dirtyLength = dirtyRegion.getLength();
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int lineChangeStart = document.getLineOfOffset(dirtyOffset);
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int lineChangeEnd;
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if (DirtyRegion.INSERT.equals(dirtyRegion.getType())) {
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lineChangeEnd = document.getLineOfOffset(dirtyOffset + dirtyLength);
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} else {
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lineChangeEnd = lineChangeStart;
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}
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for (int i = lineChangeStart; i <= lineChangeEnd; i++) {
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int lineOffset = document.getLineOffset(i);
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int lineLength = document.getLineLength(i);
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IRegion lineRegion = document.getLineInformation(i);
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String lineText = document.get(lineRegion.getOffset(), lineRegion.getLength());
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List<LineAnnotation> annotationsCurrentLine =
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((LineAnnotationModel) getAnnotationModel()).getUndeletedAnnotations(lineOffset, lineLength);
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if (annotationsCurrentLine.size() == 0) {
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logger.debug("Adding new annotation " + lineText);
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addAnnotation(lineText, lineRegion);
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} else {
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LineAnnotation currentAnnotation = annotationsCurrentLine.get(0);
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int length = lineLength;
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getAnnotationModel().getPosition(currentAnnotation).setLength(length);
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currentAnnotation.setText(lineText);
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for (int j = 1; j < annotationsCurrentLine.size(); j++) {
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annotationsCurrentLine.get(j).markAsMerged(currentAnnotation.getEntity());
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getAnnotationModel().removeAnnotation(annotationsCurrentLine.get(j));
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}
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}
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}
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// Deletes have already taken place
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((LineAnnotationModel) getAnnotationModel()).printAnnotations();
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}
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private void addAnnotation(String text, IRegion region) {
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Position position = new Position(region.getOffset(), region.getLength());
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Annotation annotation = ((LineAnnotationModel) getAnnotationModel()).createAnnotation(text);
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getAnnotationModel().addAnnotation(annotation, position);
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// Position position2 = new Position(region.getOffset() + 1, region.getLength() - 2);
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// Annotation annotation2 = new Annotation("org.eclipse.ui.workbench.texteditor.error",true,"asdf");
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// getAnnotationModel().addAnnotation(annotation2, position2);
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}
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private IAnnotationModel getAnnotationModel() {
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return viewer.getAnnotationModel();
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#setDocument(org.eclipse.jface.text.IDocument)
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*/
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/** {@inheritDoc} */
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public void setDocument(IDocument document) {
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this.document = document;
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}
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}
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