private void removeFromEditor() {
    Editor editor = mySearchResults.getEditor();
    if (myReplacementBalloon != null) {
      myReplacementBalloon.hide();
    }

    if (editor != null) {

      for (VisibleAreaListener visibleAreaListener : myVisibleAreaListenersToRemove) {
        editor.getScrollingModel().removeVisibleAreaListener(visibleAreaListener);
      }
      myVisibleAreaListenersToRemove.clear();
      Project project = mySearchResults.getProject();
      if (project != null && !project.isDisposed()) {
        for (RangeHighlighter h : myHighlighters) {
          HighlightManager.getInstance(project).removeSegmentHighlighter(editor, h);
        }
        if (myCursorHighlighter != null) {
          HighlightManager.getInstance(project)
              .removeSegmentHighlighter(editor, myCursorHighlighter);
          myCursorHighlighter = null;
        }
      }
      myHighlighters.clear();
      if (myListeningSelection) {
        editor.getSelectionModel().removeSelectionListener(this);
        myListeningSelection = false;
      }
    }
  }
 public LivePreview(SearchResults searchResults) {
   mySearchResults = searchResults;
   searchResultsUpdated(searchResults);
   searchResults.addListener(this);
   myListeningSelection = true;
   mySearchResults.getEditor().getSelectionModel().addSelectionListener(this);
 }
  private void showReplacementPreview() {
    hideBalloon();
    final FindResult cursor = mySearchResults.getCursor();
    final Editor editor = mySearchResults.getEditor();
    if (myDelegate != null && cursor != null) {
      String replacementPreviewText = myDelegate.getStringToReplace(editor, cursor);
      if (StringUtil.isEmpty(replacementPreviewText)) {
        replacementPreviewText = EMPTY_STRING_DISPLAY_TEXT;
      }
      final FindModel findModel = mySearchResults.getFindModel();
      if (findModel.isRegularExpressions() && findModel.isReplaceState()) {

        showBalloon(cursor, editor, replacementPreviewText);
      }
    }
  }
  private void updateInSelectionHighlighters() {
    if (mySearchResults.getEditor() == null) return;
    final SelectionModel selectionModel = mySearchResults.getEditor().getSelectionModel();
    int[] starts = selectionModel.getBlockSelectionStarts();
    int[] ends = selectionModel.getBlockSelectionEnds();

    final HashSet<RangeHighlighter> toRemove = new HashSet<RangeHighlighter>();
    Set<RangeHighlighter> toAdd = new HashSet<RangeHighlighter>();
    for (RangeHighlighter highlighter : myHighlighters) {
      boolean intersectsWithSelection = false;
      for (int i = 0; i < starts.length; ++i) {
        TextRange selectionRange = new TextRange(starts[i], ends[i]);
        intersectsWithSelection =
            selectionRange.intersects(highlighter.getStartOffset(), highlighter.getEndOffset())
                && selectionRange.getEndOffset() != highlighter.getStartOffset()
                && highlighter.getEndOffset() != selectionRange.getStartOffset();
        if (intersectsWithSelection) break;
      }

      final Object userData = highlighter.getUserData(IN_SELECTION_KEY);
      if (userData != null) {
        if (!intersectsWithSelection) {
          if (userData == IN_SELECTION2) {
            HighlightManager.getInstance(mySearchResults.getProject())
                .removeSegmentHighlighter(mySearchResults.getEditor(), highlighter);
            toRemove.add(highlighter);
          } else {
            highlighter.putUserData(IN_SELECTION_KEY, null);
          }
        }
      } else if (intersectsWithSelection) {
        TextRange cursor = mySearchResults.getCursor();
        if (cursor != null
            && highlighter.getStartOffset() == cursor.getStartOffset()
            && highlighter.getEndOffset() == cursor.getEndOffset()) continue;
        final RangeHighlighter toAnnotate =
            highlightRange(
                new TextRange(highlighter.getStartOffset(), highlighter.getEndOffset()),
                new TextAttributes(null, null, Color.WHITE, EffectType.ROUNDED_BOX, 0),
                toAdd);
        highlighter.putUserData(IN_SELECTION_KEY, IN_SELECTION1);
        toAnnotate.putUserData(IN_SELECTION_KEY, IN_SELECTION2);
      }
    }
    myHighlighters.removeAll(toRemove);
    myHighlighters.addAll(toAdd);
  }
  private RangeHighlighter doHightlightRange(
      final TextRange textRange,
      final TextAttributes attributes,
      Set<RangeHighlighter> highlighters) {
    HighlightManager highlightManager = HighlightManager.getInstance(mySearchResults.getProject());

    MarkupModelEx markupModel = (MarkupModelEx) mySearchResults.getEditor().getMarkupModel();

    final RangeHighlighter[] candidate = new RangeHighlighter[1];

    boolean notFound =
        markupModel.processRangeHighlightersOverlappingWith(
            textRange.getStartOffset(),
            textRange.getEndOffset(),
            new Processor<RangeHighlighterEx>() {
              @Override
              public boolean process(RangeHighlighterEx highlighter) {
                TextAttributes textAttributes = highlighter.getTextAttributes();
                if (highlighter.getUserData(SEARCH_MARKER) != null
                    && textAttributes != null
                    && textAttributes.equals(attributes)
                    && highlighter.getStartOffset() == textRange.getStartOffset()
                    && highlighter.getEndOffset() == textRange.getEndOffset()) {
                  candidate[0] = highlighter;
                  return false;
                }
                return true;
              }
            });

    if (!notFound && highlighters.contains(candidate[0])) {
      return candidate[0];
    }
    final ArrayList<RangeHighlighter> dummy = new ArrayList<RangeHighlighter>();
    highlightManager.addRangeHighlight(
        mySearchResults.getEditor(),
        textRange.getStartOffset(),
        textRange.getEndOffset(),
        attributes,
        false,
        dummy);
    final RangeHighlighter h = dummy.get(0);
    highlighters.add(h);
    h.putUserData(SEARCH_MARKER, YES);
    return h;
  }
 private void clearUnusedHightlighters() {
   Set<RangeHighlighter> unused = new com.intellij.util.containers.HashSet<RangeHighlighter>();
   for (RangeHighlighter highlighter : myHighlighters) {
     if (highlighter.getUserData(MARKER_USED) == null) {
       unused.add(highlighter);
     } else {
       highlighter.putUserData(MARKER_USED, null);
     }
   }
   myHighlighters.removeAll(unused);
   Project project = mySearchResults.getProject();
   if (!project.isDisposed()) {
     for (RangeHighlighter highlighter : unused) {
       HighlightManager.getInstance(project)
           .removeSegmentHighlighter(mySearchResults.getEditor(), highlighter);
     }
   }
 }
 private void highlightUsages() {
   if (mySearchResults.getEditor() == null) return;
   if (mySearchResults.getMatchesCount() >= mySearchResults.getMatchesLimit()) return;
   for (FindResult range : mySearchResults.getOccurrences()) {
     TextAttributes attributes =
         EditorColorsManager.getInstance()
             .getGlobalScheme()
             .getAttributes(EditorColors.TEXT_SEARCH_RESULT_ATTRIBUTES);
     if (range.getLength() == 0) {
       attributes = attributes.clone();
       attributes.setEffectType(EffectType.BOXED);
       attributes.setEffectColor(attributes.getBackgroundColor());
     }
     if (mySearchResults.isExcluded(range)) {
       highlightRange(range, strikout(attributes), myHighlighters);
     } else {
       highlightRange(range, attributes, myHighlighters);
     }
   }
   updateInSelectionHighlighters();
   if (!myListeningSelection) {
     mySearchResults.getEditor().getSelectionModel().addSelectionListener(this);
     myListeningSelection = true;
   }
 }
  private void updateCursorHighlighting(boolean scroll) {
    hideBalloon();

    if (myCursorHighlighter != null) {
      HighlightManager.getInstance(mySearchResults.getProject())
          .removeSegmentHighlighter(mySearchResults.getEditor(), myCursorHighlighter);
      myCursorHighlighter = null;
    }

    final FindResult cursor = mySearchResults.getCursor();
    Editor editor = mySearchResults.getEditor();
    SelectionModel selection = editor.getSelectionModel();
    if (cursor != null) {
      Set<RangeHighlighter> dummy = new HashSet<RangeHighlighter>();
      highlightRange(
          cursor, new TextAttributes(null, null, Color.BLACK, EffectType.ROUNDED_BOX, 0), dummy);
      if (!dummy.isEmpty()) {
        myCursorHighlighter = dummy.iterator().next();
      }

      if (scroll) {
        if (mySearchResults.getFindModel().isGlobal()) {
          FoldingModel foldingModel = editor.getFoldingModel();
          final FoldRegion[] allRegions = editor.getFoldingModel().getAllFoldRegions();

          foldingModel.runBatchFoldingOperation(
              new Runnable() {
                @Override
                public void run() {
                  for (FoldRegion region : allRegions) {
                    if (!region.isValid()) continue;
                    if (cursor.intersects(TextRange.create(region))) {
                      region.setExpanded(true);
                    }
                  }
                }
              });
          selection.setSelection(cursor.getStartOffset(), cursor.getEndOffset());

          editor.getCaretModel().moveToOffset(cursor.getEndOffset());
          editor.getScrollingModel().scrollToCaret(ScrollType.CENTER);
        } else {
          if (!SearchResults.insideVisibleArea(editor, cursor)) {
            LogicalPosition pos = editor.offsetToLogicalPosition(cursor.getStartOffset());
            editor.getScrollingModel().scrollTo(pos, ScrollType.CENTER);
          }
        }
      }
      editor
          .getScrollingModel()
          .runActionOnScrollingFinished(
              new Runnable() {
                @Override
                public void run() {
                  showReplacementPreview();
                }
              });
    }
  }
  @Override
  public void searchResultsUpdated(SearchResults sr) {
    final Project project = mySearchResults.getProject();
    if (project == null || project.isDisposed()) return;
    if (mySuppressedUpdate) {
      mySuppressedUpdate = false;
      return;
    }
    if (!myInSmartUpdate) {
      removeFromEditor();
    }

    highlightUsages();
    updateCursorHighlighting(false);
    if (myInSmartUpdate) {
      clearUnusedHightlighters();
      myInSmartUpdate = false;
    }
  }
    @Override
    public RelativePoint recalculateLocation(final Balloon object) {
      FindResult cursor = mySearchResults.getCursor();
      if (cursor == null) return null;
      final TextRange cur = cursor;
      int startOffset = cur.getStartOffset();
      int endOffset = cur.getEndOffset();

      if (startOffset >= myEditor.getDocument().getTextLength()) {
        if (!object.isDisposed()) {
          requestBalloonHiding(object);
        }
        return null;
      }
      if (!SearchResults.insideVisibleArea(myEditor, cur)) {
        requestBalloonHiding(object);

        VisibleAreaListener visibleAreaListener =
            new VisibleAreaListener() {
              @Override
              public void visibleAreaChanged(VisibleAreaEvent e) {
                if (SearchResults.insideVisibleArea(myEditor, cur)) {
                  showReplacementPreview();
                  final VisibleAreaListener visibleAreaListener = this;
                  final boolean remove = myVisibleAreaListenersToRemove.remove(visibleAreaListener);
                  if (remove) {
                    myEditor.getScrollingModel().removeVisibleAreaListener(visibleAreaListener);
                  }
                }
              }
            };
        myEditor.getScrollingModel().addVisibleAreaListener(visibleAreaListener);
        myVisibleAreaListenersToRemove.add(visibleAreaListener);
      }

      Point startPoint = myEditor.visualPositionToXY(myEditor.offsetToVisualPosition(startOffset));
      Point endPoint = myEditor.visualPositionToXY(myEditor.offsetToVisualPosition(endOffset));
      Point point = new Point((startPoint.x + endPoint.x) / 2, startPoint.y);

      return new RelativePoint(myEditor.getContentComponent(), point);
    }
 public void dispose() {
   cleanUp();
   mySearchResults.removeListener(this);
 }
 @Override
 public void editorChanged(SearchResults sr, Editor oldEditor) {
   removeFromEditor();
   oldEditor.getDocument().removeDocumentListener(this);
   mySearchResults.getEditor().getDocument().addDocumentListener(this);
 }
  private void dumpEditorMarkupAndSelection(PrintStream dumpStream) {
    dumpStream.println(mySearchResults.getFindModel());
    if (myReplacementPreviewText != null) {
      dumpStream.println("--");
      dumpStream.println("Replacement Preview: " + myReplacementPreviewText);
    }
    dumpStream.println("--");

    Editor editor = mySearchResults.getEditor();

    RangeHighlighter[] highlighters = editor.getMarkupModel().getAllHighlighters();
    List<Pair<Integer, Character>> ranges = new ArrayList<Pair<Integer, Character>>();
    for (RangeHighlighter highlighter : highlighters) {
      ranges.add(new Pair<Integer, Character>(highlighter.getStartOffset(), '['));
      ranges.add(new Pair<Integer, Character>(highlighter.getEndOffset(), ']'));
    }

    SelectionModel selectionModel = editor.getSelectionModel();

    if (selectionModel.getSelectionStart() != selectionModel.getSelectionEnd()) {
      ranges.add(new Pair<Integer, Character>(selectionModel.getSelectionStart(), '<'));
      ranges.add(new Pair<Integer, Character>(selectionModel.getSelectionEnd(), '>'));
    }
    ranges.add(new Pair<Integer, Character>(-1, '\n'));
    ranges.add(new Pair<Integer, Character>(editor.getDocument().getTextLength() + 1, '\n'));
    ContainerUtil.sort(
        ranges,
        new Comparator<Pair<Integer, Character>>() {
          @Override
          public int compare(Pair<Integer, Character> pair, Pair<Integer, Character> pair2) {
            int res = pair.first - pair2.first;
            if (res == 0) {

              Character c1 = pair.second;
              Character c2 = pair2.second;
              if (c1 == '<' && c2 == '[') {
                return 1;
              } else if (c1 == '[' && c2 == '<') {
                return -1;
              }
              return c1.compareTo(c2);
            }
            return res;
          }
        });

    Document document = editor.getDocument();
    for (int i = 0; i < ranges.size() - 1; ++i) {
      Pair<Integer, Character> pair = ranges.get(i);
      Pair<Integer, Character> pair1 = ranges.get(i + 1);
      dumpStream.print(
          pair.second
              + document.getText(
                  TextRange.create(
                      Math.max(pair.first, 0), Math.min(pair1.first, document.getTextLength()))));
    }
    dumpStream.println("\n--");

    if (NotFound) {
      dumpStream.println("Not Found");
      dumpStream.println("--");
      NotFound = false;
    }

    for (RangeHighlighter highlighter : highlighters) {
      dumpStream.println(highlighter + " : " + highlighter.getTextAttributes());
    }
    dumpStream.println("------------");
  }