taxeditor-bulkeditor/src/main/java/eu/etaxonomy/taxeditor/annotatedlineeditor/AnnotatedLineEditorReconcilingStrategy.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.annotatedlineeditor;
  11
  12 import java.util.List;
  13
  14 import org.apache.log4j.Logger;
  15 import org.eclipse.jface.text.BadLocationException;
  16 import org.eclipse.jface.text.IDocument;
  17 import org.eclipse.jface.text.IRegion;
  18 import org.eclipse.jface.text.Position;
  19 import org.eclipse.jface.text.reconciler.DirtyRegion;
  20 import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
  21 import org.eclipse.jface.text.source.Annotation;
  22 import org.eclipse.jface.text.source.IAnnotationModel;
  23 import org.eclipse.jface.text.source.ISourceViewer;
  24
  25
  26 /**
  27  * Doesn't work!
  28  *
  29  * @author p.ciardelli
  30  * @created 25.06.2009
  31  * @version 1.0
  32  */
  33 public class AnnotatedLineEditorReconcilingStrategy implements IReconcilingStrategy {
  34         private static final Logger logger = Logger
  35                         .getLogger(AnnotatedLineEditorReconcilingStrategy.class);
  36
  37         private IDocument document;
  38         private ISourceViewer viewer;
  39
  40         /**
  41          * <p>Constructor for AnnotatedLineEditorReconcilingStrategy.</p>
  42          *
  43          * @param sourceViewer a {@link org.eclipse.jface.text.source.ISourceViewer} object.
  44          */
  45         public AnnotatedLineEditorReconcilingStrategy(ISourceViewer sourceViewer) {
  46                 this.viewer = sourceViewer;
  47         }
  48
  49         /* (non-Javadoc)
  50          * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.IRegion)
  51          */
  52         /** {@inheritDoc} */
  53         public void reconcile(IRegion partition) {
  54                 // not used
  55         }
  56
  57         /* (non-Javadoc)
  58          * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#reconcile(org.eclipse.jface.text.reconciler.DirtyRegion, org.eclipse.jface.text.IRegion)
  59          */
  60         /** {@inheritDoc} */
  61         public void reconcile(DirtyRegion dirtyRegion, IRegion subRegion) {
  62                 try {
  63                         doReconcile(dirtyRegion);
  64                 } catch (BadLocationException e) {
  65                         // TODO Auto-generated catch block
  66                         e.printStackTrace();
  67                 }
  68         }
  69
  70         synchronized private void doReconcile(DirtyRegion dirtyRegion) throws BadLocationException {
  71                 // Get all affected lines
  72                 int dirtyOffset = dirtyRegion.getOffset();
  73                 int dirtyLength = dirtyRegion.getLength();
  74
  75                 int lineChangeStart = document.getLineOfOffset(dirtyOffset);
  76                 int lineChangeEnd;
  77                 if (DirtyRegion.INSERT.equals(dirtyRegion.getType())) {
  78                         lineChangeEnd = document.getLineOfOffset(dirtyOffset + dirtyLength);
  79                 } else {
  80                         lineChangeEnd = lineChangeStart;
  81                 }
  82
  83                 for (int i = lineChangeStart; i <= lineChangeEnd; i++) {
  84                         int lineOffset = document.getLineOffset(i);
  85                         int lineLength = document.getLineLength(i);
  86                         IRegion lineRegion = document.getLineInformation(i);
  87                         String lineText = document.get(lineRegion.getOffset(), lineRegion.getLength());
  88
  89                         List<LineAnnotation> annotationsCurrentLine =
  90                                         ((LineAnnotationModel) getAnnotationModel()).getUndeletedAnnotations(lineOffset, lineLength);
  91
  92                         if (annotationsCurrentLine.size() == 0) {
  93                                 logger.debug("Adding new annotation " + lineText);
  94                                 addAnnotation(lineText, lineRegion);
  95                         } else {
  96                                 LineAnnotation currentAnnotation = annotationsCurrentLine.get(0);
  97                                 int length = lineLength;
  98                                 getAnnotationModel().getPosition(currentAnnotation).setLength(length);
  99                                 currentAnnotation.setText(lineText);
 100
 101                                 for (int j = 1; j < annotationsCurrentLine.size(); j++) {
 102                                         annotationsCurrentLine.get(j).markAsMerged(currentAnnotation.getEntity());
 103                                         getAnnotationModel().removeAnnotation(annotationsCurrentLine.get(j));
 104                                 }
 105                         }
 106                 }
 107
 108                 // Deletes have already taken place
 109
 110                 ((LineAnnotationModel) getAnnotationModel()).printAnnotations();
 111         }
 112
 113         private void addAnnotation(String text, IRegion region) {
 114                 Position position = new Position(region.getOffset(), region.getLength());
 115                 Annotation annotation = ((LineAnnotationModel) getAnnotationModel()).createAnnotation(text);
 116                 getAnnotationModel().addAnnotation(annotation, position);
 117
 118 //              Position position2 = new Position(region.getOffset() + 1, region.getLength() - 2);
 119 //              Annotation annotation2 = new Annotation("org.eclipse.ui.workbench.texteditor.error",true,"asdf");
 120 //              getAnnotationModel().addAnnotation(annotation2, position2);
 121         }
 122
 123         private IAnnotationModel getAnnotationModel() {
 124                 return viewer.getAnnotationModel();
 125         }
 126
 127         /* (non-Javadoc)
 128          * @see org.eclipse.jface.text.reconciler.IReconcilingStrategy#setDocument(org.eclipse.jface.text.IDocument)
 129          */
 130         /** {@inheritDoc} */
 131         public void setDocument(IDocument document) {
 132                 this.document = document;
 133         }
 134 }