Examples of org.eclipse.jface.text.presentation.IPresentationRepairer

Package org.eclipse.jface.text.presentation

Examples of org.eclipse.jface.text.presentation.IPresentationRepairer

org.eclipse.jface.text.presentation.IPresentationRepairer
A presentation repairer is a strategy used by a presentation reconciler to rebuild a damaged region in a document's presentation. A presentation repairer is assumed to be specific for a particular document content type. The presentation repairer gets the region which it should repair and constructs a "repair description". The presentation repairer merges the steps contained within this description into the text presentation passed into createPresentation.
This interface may be implemented by clients. Alternatively, clients may use the rule-based default implementation {@link org.eclipse.jface.text.rules.DefaultDamagerRepairer}. Implementers should be registered with a presentation reconciler in order get involved in the reconciling process.
@see IPresentationReconciler @see IDocument @see org.eclipse.swt.custom.StyleRange @see TextPresentation

   */
  protected void setDocumentToRepairers(IDocument document) {
    if (fRepairers != null) {
      Iterator e= fRepairers.values().iterator();
      while (e.hasNext()) {
        IPresentationRepairer repairer= (IPresentationRepairer) e.next();
        repairer.setDocument(document);
      }
    }
  }

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      TextPresentation presentation= new TextPresentation(damage, 1000);


      ITypedRegion[] partitions= TextUtilities.computePartitioning(document, getDocumentPartitioning(), damage.getOffset(), validLength, false);
      for (int i= 0; i < partitions.length; i++) {
        ITypedRegion r= partitions[i];
        IPresentationRepairer repairer= getRepairer(r.getType());
        if (repairer != null)
          repairer.createPresentation(presentation, r);
      }


      return presentation;


    } catch (BadLocationException x) {

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      PresentationReconciler reconciler, String contentType) {
    
    IPresentationDamager d = new ClojureTopLevelFormsDamager(editor); 
    reconciler.setDamager(d, contentType);
    
    IPresentationRepairer r = new DefaultDamagerRepairer(tokenScanner);
    reconciler.setRepairer(r, contentType);


  }

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              jumpto = getFollowingCSS(partitions, i, r.getType());
              r = new SimpleStructuredTypedRegion(r.getOffset(),
                  partitions[jumpto].getOffset()
                      + partitions[jumpto].getLength()
                      - r.getOffset(), r.getType());
              IPresentationRepairer repairer = getRepairer(r
                  .getType());
              if (repairer != null) {
                TextPresentation presentation = new TextPresentation(
                    damage, 1000);
                repairer.createPresentation(presentation, r);
                for (Iterator iterator = presentation
                    .getAllStyleRangeIterator(); iterator
                    .hasNext();) {
                  StyleRange styleRange = (StyleRange) iterator
                      .next();
                  // the styleRange's scope may be out of
                  // the
                  // region see
                  // https://bugs.eclipse.org/bugs/attachment.cgi?id=179715
                  if (styleRange.start < r.getOffset()
                      || (styleRange.start
                          + styleRange.length > r
                          .getOffset()
                          + r.getLength())) {
                    continue;
                  }


                  for (int j = i + 1; j < jumpto; j = j + 2) {
                    ITypedRegion typedRegion = partitions[j];
                    if (styleRange.start < typedRegion
                        .getOffset()
                        && styleRange.start
                            + styleRange.length > typedRegion
                            .getOffset()
                            + typedRegion
                                .getLength()) {
                      int end = styleRange.start
                          + styleRange.length;
                      styleRange.length = typedRegion
                          .getOffset()
                          - styleRange.start;
                      fRangeSet.add(styleRange);
                      styleRange = new StyleRange(
                          typedRegion.getOffset()
                              + typedRegion
                                  .getLength(),
                          end
                              - (typedRegion
                                  .getOffset() + typedRegion
                                  .getLength()),
                          styleRange.foreground,
                          styleRange.background,
                          styleRange.fontStyle);
                    } else if (styleRange.start < typedRegion
                        .getOffset()
                        && styleRange.start
                            + styleRange.length > typedRegion
                              .getOffset()) {
                      styleRange.length = typedRegion
                          .getOffset()
                          - styleRange.start;
                      break;
                    } else if (styleRange.start >= typedRegion
                        .getOffset()
                        && styleRange.start
                            + styleRange.length <= typedRegion
                            .getOffset()
                            + typedRegion
                                .getLength()) {
                      styleRange = null;
                      break;
                    } else if (styleRange.start > typedRegion
                        .getOffset()
                        && styleRange.start < typedRegion
                            .getOffset()
                            + typedRegion
                                .getLength()
                        && styleRange.start
                            + styleRange.length > typedRegion
                            .getOffset()
                            + typedRegion
                                .getLength()) {
                      styleRange.length = styleRange.start
                          + styleRange.length
                          - (typedRegion.getOffset() + typedRegion
                              .getLength());
                      styleRange.start = typedRegion
                          .getOffset()
                          + typedRegion.getLength();


                    } else if (styleRange.start
                        + styleRange.length < typedRegion
                          .getOffset()) {
                      break;
                    }
                  }
                  if (styleRange != null) {
                    fRangeSet.add(styleRange);
                  }
                }
              }
            }


          } else {
            if (i > jumpto
                || i < jumpto
                && !r.getType().equals(
                    partitions[jumpto].getType())) {// jumpto
                                    // partition
                                    // has
                                    // been
                                    // added
              IPresentationRepairer repairer = getRepairer(r
                  .getType());
              if (repairer != null) {
                TextPresentation presentation = new TextPresentation(
                    damage, 1000);
                repairer.createPresentation(presentation, r);
                for (Iterator iterator = presentation
                    .getAllStyleRangeIterator(); iterator
                    .hasNext();) {
                  StyleRange styleRange = (StyleRange) iterator
                      .next();
                  fRangeSet.add(styleRange);
                }
              }
            }


          }
        }
        if (fRangeSet.isEmpty()) {
          return null;
        }
        Collections.sort(fRangeSet, new Comparator<StyleRange>() {


          public int compare(StyleRange o1, StyleRange o2) {
            return o1.start - o2.start;
          }


        });
        List<StyleRange> fRanges = new ArrayList<StyleRange>();
        StyleRange[] rangeArray = fRangeSet
            .toArray(new StyleRange[fRangeSet.size()]);
        StyleRange lastRange = rangeArray[0];
        fRanges.add(lastRange);
        for (int i = 1; i < rangeArray.length; i++) {
          StyleRange styleRange = rangeArray[i];
          // do not add duplicate ranges
          if (styleRange.start == lastRange.start
              && styleRange.length == lastRange.length) {
            continue;
          } else {
            fRanges.add(styleRange);
            lastRange = styleRange;
          }
        }
        TextPresentation presentation = new TextPresentation(damage,
            1000);
        presentation = new TextPresentation(damage, fRanges.size());
        for (Iterator iterator = fRanges.iterator(); iterator.hasNext();) {
          StyleRange styleRange = (StyleRange) iterator.next();
          if (styleRange.start + styleRange.length <= damage
              .getOffset()) {
            continue;
          } else if (styleRange.start <= damage.getOffset()
              && styleRange.start + styleRange.length > damage
                  .getOffset()
              && styleRange.start + styleRange.length <= damage
                  .getOffset() + validLength) {
            int rangeEnd = styleRange.start + styleRange.length;
            styleRange.start = damage.getOffset();
            styleRange.length = rangeEnd - damage.getOffset();
            addStyleRange(presentation, styleRange);
          } else if (styleRange.start >= damage.getOffset()
              && styleRange.start < damage.getOffset()
                  + validLength
              && styleRange.start + styleRange.length > damage
                  .getOffset() + validLength) {
            styleRange.length = damage.getOffset() + validLength
                - styleRange.start;
            addStyleRange(presentation, styleRange);
          } else if (styleRange.start >= damage.getOffset()
              && styleRange.start + styleRange.length <= damage
                  .getOffset() + validLength) {
            addStyleRange(presentation, styleRange);
          }


        }
        return presentation;
      } else {
        TextPresentation presentation = new TextPresentation(damage,
            1000);


        List<ITypedRegion> damagedPartitions = findDamagedPartitions(
            partitions, damage);


        // performance optimisation: if only PHPScriptRegion has been
        // damaged and not fully reparsed we can try to create
        // presentation for updated tokens only.
        if (damagedPartitions.size() == 1) {
          ITypedRegion r = damagedPartitions.get(0);
          IPresentationRepairer repairer = getRepairer(damagedPartitions
              .get(0).getType());
          if (repairer != null) {
            if (r.getType().equals(PHPPartitionTypes.PHP_DEFAULT)) {
              if (repairer instanceof StructuredDocumentDamagerRepairer) {
                TextPresentation newPresentation = ((StructuredDocumentDamagerRepairer) repairer)
                    .getPresentation(r, damage);
                if (newPresentation != null) {
                  presentation = newPresentation;
                }
              }
            }
            repairer.createPresentation(presentation, r);
          }
        } else {
          for (int i = 0; i < damagedPartitions.size(); i++) {
            ITypedRegion r = damagedPartitions.get(i);
            IPresentationRepairer repairer = getRepairer(r
                .getType());
            if (repairer != null)
              repairer.createPresentation(presentation, r);
          }
        }


        // OLD CODE
        // for (int i = 0; i < partitions.length; i++) {

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