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

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