public static int insertStringAtCaret(
      Editor editor,
      @NotNull String s,
      boolean toProcessOverwriteMode,
      boolean toMoveCaret,
      int caretShift) {
    final SelectionModel selectionModel = editor.getSelectionModel();
    if (selectionModel.hasSelection()) {
      editor.getCaretModel().moveToOffset(selectionModel.getSelectionStart(), true);
    }

    // There is a possible case that particular soft wraps become hard wraps if the caret is located
    // at soft wrap-introduced virtual
    // space, hence, we need to give editor a chance to react accordingly.
    editor.getSoftWrapModel().beforeDocumentChangeAtCaret();
    int oldOffset = editor.getCaretModel().getOffset();

    String filler = calcStringToFillVirtualSpace(editor);
    if (filler.length() > 0) {
      s = filler + s;
    }

    Document document = editor.getDocument();
    if (editor.isInsertMode() || !toProcessOverwriteMode) {
      if (selectionModel.hasSelection()) {
        oldOffset = selectionModel.getSelectionStart();
        document.replaceString(
            selectionModel.getSelectionStart(), selectionModel.getSelectionEnd(), s);
      } else {
        document.insertString(oldOffset, s);
      }
    } else {
      deleteSelectedText(editor);
      int lineNumber = editor.getCaretModel().getLogicalPosition().line;
      if (lineNumber >= document.getLineCount()) {
        return insertStringAtCaret(editor, s, false, toMoveCaret);
      }

      int endOffset = document.getLineEndOffset(lineNumber);
      document.replaceString(oldOffset, Math.min(endOffset, oldOffset + s.length()), s);
    }

    int offset = oldOffset + filler.length() + caretShift;
    if (toMoveCaret) {
      editor.getCaretModel().moveToOffset(offset, true);
      editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
      selectionModel.removeSelection();
    } else if (editor.getCaretModel().getOffset()
        != oldOffset) { // handling the case when caret model tracks document changes
      editor.getCaretModel().moveToOffset(oldOffset);
    }

    return offset;
  }
  /**
   * Emulates pressing <code>Enter</code> at current caret position.
   *
   * @param editor target editor
   * @param project target project
   * @param shifts two-elements array which is expected to be filled with the following info: 1. The
   *     first element holds added lines number; 2. The second element holds added symbols number;
   */
  private static void emulateEnter(
      @NotNull final Editor editor, @NotNull Project project, int[] shifts) {
    final DataContext dataContext = prepareContext(editor.getComponent(), project);
    int caretOffset = editor.getCaretModel().getOffset();
    Document document = editor.getDocument();
    SelectionModel selectionModel = editor.getSelectionModel();
    int startSelectionOffset = 0;
    int endSelectionOffset = 0;
    boolean restoreSelection = selectionModel.hasSelection();
    if (restoreSelection) {
      startSelectionOffset = selectionModel.getSelectionStart();
      endSelectionOffset = selectionModel.getSelectionEnd();
      selectionModel.removeSelection();
    }
    int textLengthBeforeWrap = document.getTextLength();
    int lineCountBeforeWrap = document.getLineCount();

    DataManager.getInstance()
        .saveInDataContext(dataContext, WRAP_LONG_LINE_DURING_FORMATTING_IN_PROGRESS_KEY, true);
    CommandProcessor commandProcessor = CommandProcessor.getInstance();
    try {
      Runnable command =
          new Runnable() {
            @Override
            public void run() {
              EditorActionManager.getInstance()
                  .getActionHandler(IdeActions.ACTION_EDITOR_ENTER)
                  .execute(editor, dataContext);
            }
          };
      if (commandProcessor.getCurrentCommand() == null) {
        commandProcessor.executeCommand(editor.getProject(), command, WRAP_LINE_COMMAND_NAME, null);
      } else {
        command.run();
      }
    } finally {
      DataManager.getInstance()
          .saveInDataContext(dataContext, WRAP_LONG_LINE_DURING_FORMATTING_IN_PROGRESS_KEY, null);
    }
    int symbolsDiff = document.getTextLength() - textLengthBeforeWrap;
    if (restoreSelection) {
      int newSelectionStart = startSelectionOffset;
      int newSelectionEnd = endSelectionOffset;
      if (startSelectionOffset >= caretOffset) {
        newSelectionStart += symbolsDiff;
      }
      if (endSelectionOffset >= caretOffset) {
        newSelectionEnd += symbolsDiff;
      }
      selectionModel.setSelection(newSelectionStart, newSelectionEnd);
    }
    shifts[0] = document.getLineCount() - lineCountBeforeWrap;
    shifts[1] = symbolsDiff;
  }
  public static void deleteSelectedText(Editor editor) {
    SelectionModel selectionModel = editor.getSelectionModel();
    if (selectionModel.hasBlockSelection()) deleteBlockSelection(editor);
    if (!selectionModel.hasSelection()) return;

    int selectionStart = selectionModel.getSelectionStart();
    int selectionEnd = selectionModel.getSelectionEnd();

    editor.getCaretModel().moveToOffset(selectionStart);
    selectionModel.removeSelection();
    editor.getDocument().deleteString(selectionStart, selectionEnd);
    editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
  }
  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("------------");
  }
  public final void move(Editor editor, final PsiFile file) {
    myMover.beforeMove(editor, myInfo, myIsDown);
    final Document document = editor.getDocument();
    final int start =
        StatementUpDownMover.getLineStartSafeOffset(document, myInfo.toMove.startLine);
    final int end = StatementUpDownMover.getLineStartSafeOffset(document, myInfo.toMove.endLine);
    myInfo.range1 = document.createRangeMarker(start, end);

    String textToInsert = document.getCharsSequence().subSequence(start, end).toString();
    if (!StringUtil.endsWithChar(textToInsert, '\n')) textToInsert += '\n';

    final int start2 = document.getLineStartOffset(myInfo.toMove2.startLine);
    final int end2 = StatementUpDownMover.getLineStartSafeOffset(document, myInfo.toMove2.endLine);
    String textToInsert2 = document.getCharsSequence().subSequence(start2, end2).toString();
    if (!StringUtil.endsWithChar(textToInsert2, '\n')) textToInsert2 += '\n';
    myInfo.range2 = document.createRangeMarker(start2, end2);
    if (myInfo.range1.getStartOffset() < myInfo.range2.getStartOffset()) {
      myInfo.range1.setGreedyToLeft(true);
      myInfo.range1.setGreedyToRight(false);
      myInfo.range2.setGreedyToLeft(true);
      myInfo.range2.setGreedyToRight(true);
    } else {
      myInfo.range1.setGreedyToLeft(true);
      myInfo.range1.setGreedyToRight(true);
      myInfo.range2.setGreedyToLeft(true);
      myInfo.range2.setGreedyToRight(false);
    }

    final CaretModel caretModel = editor.getCaretModel();
    final int caretRelativePos = caretModel.getOffset() - start;
    final SelectionModel selectionModel = editor.getSelectionModel();
    final int selectionStart = selectionModel.getSelectionStart();
    final int selectionEnd = selectionModel.getSelectionEnd();
    final boolean hasSelection = selectionModel.hasSelection();

    // to prevent flicker
    caretModel.moveToOffset(0);

    // There is a possible case that the user performs, say, method move. It's also possible that
    // one (or both) of moved methods
    // are folded. We want to preserve their states then. The problem is that folding processing is
    // based on PSI element pointers
    // and the pointers behave as following during move up/down:
    //     method1() {}
    //     method2() {}
    // Pointer for the fold region from method1 points to 'method2()' now and vice versa (check
    // range markers processing on
    // document change for further information). I.e. information about fold regions statuses holds
    // the data swapped for
    // 'method1' and 'method2'. Hence, we want to apply correct 'collapsed' status.
    FoldRegion topRegion = null;
    FoldRegion bottomRegion = null;
    for (FoldRegion foldRegion : editor.getFoldingModel().getAllFoldRegions()) {
      if (!foldRegion.isValid()
          || (!contains(myInfo.range1, foldRegion) && !contains(myInfo.range2, foldRegion))) {
        continue;
      }
      if (contains(myInfo.range1, foldRegion) && !contains(topRegion, foldRegion)) {
        topRegion = foldRegion;
      } else if (contains(myInfo.range2, foldRegion) && !contains(bottomRegion, foldRegion)) {
        bottomRegion = foldRegion;
      }
    }

    document.insertString(myInfo.range1.getStartOffset(), textToInsert2);
    document.deleteString(
        myInfo.range1.getStartOffset() + textToInsert2.length(), myInfo.range1.getEndOffset());

    document.insertString(myInfo.range2.getStartOffset(), textToInsert);
    int s = myInfo.range2.getStartOffset() + textToInsert.length();
    int e = myInfo.range2.getEndOffset();
    if (e > s) {
      document.deleteString(s, e);
    }

    final Project project = file.getProject();
    PsiDocumentManager.getInstance(project).commitAllDocuments();

    // Swap fold regions status if necessary.
    if (topRegion != null && bottomRegion != null) {
      final FoldRegion finalTopRegion = topRegion;
      final FoldRegion finalBottomRegion = bottomRegion;
      editor
          .getFoldingModel()
          .runBatchFoldingOperation(
              new Runnable() {
                @Override
                public void run() {
                  boolean topExpanded = finalTopRegion.isExpanded();
                  finalTopRegion.setExpanded(finalBottomRegion.isExpanded());
                  finalBottomRegion.setExpanded(topExpanded);
                }
              });
    }
    CodeFoldingManager.getInstance(project).allowFoldingOnCaretLine(editor);

    if (hasSelection) {
      restoreSelection(editor, selectionStart, selectionEnd, start, myInfo.range2.getStartOffset());
    }

    caretModel.moveToOffset(myInfo.range2.getStartOffset() + caretRelativePos);
    if (myInfo.indentTarget) {
      indentLinesIn(editor, file, document, project, myInfo.range2);
    }
    if (myInfo.indentSource) {
      indentLinesIn(editor, file, document, project, myInfo.range1);
    }

    myMover.afterMove(editor, file, myInfo, myIsDown);
    editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
  }
示例#6
0
  private static void doPaste(
      final Editor editor,
      final Project project,
      final PsiFile file,
      final Document document,
      final Producer<Transferable> producer) {
    Transferable content = null;

    if (producer != null) {
      content = producer.produce();
    } else {
      CopyPasteManager manager = CopyPasteManager.getInstance();
      if (manager.areDataFlavorsAvailable(DataFlavor.stringFlavor)) {
        content = manager.getContents();
        if (content != null) {
          manager.stopKillRings();
        }
      }
    }

    if (content != null) {
      String text = null;
      try {
        text = (String) content.getTransferData(DataFlavor.stringFlavor);
      } catch (Exception e) {
        editor.getComponent().getToolkit().beep();
      }
      if (text == null) return;

      final CodeInsightSettings settings = CodeInsightSettings.getInstance();

      final Map<CopyPastePostProcessor, TextBlockTransferableData> extraData =
          new HashMap<CopyPastePostProcessor, TextBlockTransferableData>();
      for (CopyPastePostProcessor processor :
          Extensions.getExtensions(CopyPastePostProcessor.EP_NAME)) {
        TextBlockTransferableData data = processor.extractTransferableData(content);
        if (data != null) {
          extraData.put(processor, data);
        }
      }

      text = TextBlockTransferable.convertLineSeparators(text, "\n", extraData.values());

      final CaretModel caretModel = editor.getCaretModel();
      final SelectionModel selectionModel = editor.getSelectionModel();
      final int col = caretModel.getLogicalPosition().column;

      // There is a possible case that we want to perform paste while there is an active selection
      // at the editor and caret is located
      // inside it (e.g. Ctrl+A is pressed while caret is not at the zero column). We want to insert
      // the text at selection start column
      // then, hence, inserted block of text should be indented according to the selection start as
      // well.
      final int blockIndentAnchorColumn;
      final int caretOffset = caretModel.getOffset();
      if (selectionModel.hasSelection() && caretOffset >= selectionModel.getSelectionStart()) {
        blockIndentAnchorColumn =
            editor.offsetToLogicalPosition(selectionModel.getSelectionStart()).column;
      } else {
        blockIndentAnchorColumn = col;
      }

      // We assume that EditorModificationUtil.insertStringAtCaret() is smart enough to remove
      // currently selected text (if any).

      RawText rawText = RawText.fromTransferable(content);
      String newText = text;
      for (CopyPastePreProcessor preProcessor :
          Extensions.getExtensions(CopyPastePreProcessor.EP_NAME)) {
        newText = preProcessor.preprocessOnPaste(project, file, editor, newText, rawText);
      }
      int indentOptions =
          text.equals(newText) ? settings.REFORMAT_ON_PASTE : CodeInsightSettings.REFORMAT_BLOCK;
      text = newText;

      if (LanguageFormatting.INSTANCE.forContext(file) == null
          && indentOptions != CodeInsightSettings.NO_REFORMAT) {
        indentOptions = CodeInsightSettings.INDENT_BLOCK;
      }

      final String _text = text;
      ApplicationManager.getApplication()
          .runWriteAction(
              new Runnable() {
                @Override
                public void run() {
                  EditorModificationUtil.insertStringAtCaret(editor, _text, false, true);
                }
              });

      int length = text.length();
      int offset = caretModel.getOffset() - length;
      if (offset < 0) {
        length += offset;
        offset = 0;
      }
      final RangeMarker bounds = document.createRangeMarker(offset, offset + length);

      caretModel.moveToOffset(bounds.getEndOffset());
      editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
      selectionModel.removeSelection();

      final Ref<Boolean> indented = new Ref<Boolean>(Boolean.FALSE);
      for (Map.Entry<CopyPastePostProcessor, TextBlockTransferableData> e : extraData.entrySet()) {
        //noinspection unchecked
        e.getKey()
            .processTransferableData(project, editor, bounds, caretOffset, indented, e.getValue());
      }

      boolean pastedTextContainsWhiteSpacesOnly =
          CharArrayUtil.shiftForward(document.getCharsSequence(), bounds.getStartOffset(), " \n\t")
              >= bounds.getEndOffset();

      VirtualFile virtualFile = file.getVirtualFile();
      if (!pastedTextContainsWhiteSpacesOnly
          && (virtualFile == null
              || !SingleRootFileViewProvider.isTooLargeForIntelligence(virtualFile))) {
        final int indentOptions1 = indentOptions;
        ApplicationManager.getApplication()
            .runWriteAction(
                new Runnable() {
                  @Override
                  public void run() {
                    switch (indentOptions1) {
                      case CodeInsightSettings.INDENT_BLOCK:
                        if (!indented.get()) {
                          indentBlock(
                              project,
                              editor,
                              bounds.getStartOffset(),
                              bounds.getEndOffset(),
                              blockIndentAnchorColumn);
                        }
                        break;

                      case CodeInsightSettings.INDENT_EACH_LINE:
                        if (!indented.get()) {
                          indentEachLine(
                              project, editor, bounds.getStartOffset(), bounds.getEndOffset());
                        }
                        break;

                      case CodeInsightSettings.REFORMAT_BLOCK:
                        indentEachLine(
                            project,
                            editor,
                            bounds.getStartOffset(),
                            bounds
                                .getEndOffset()); // this is needed for example when inserting a
                                                  // comment before method
                        reformatBlock(
                            project, editor, bounds.getStartOffset(), bounds.getEndOffset());
                        break;
                    }
                  }
                });
      }

      if (bounds.isValid()) {
        caretModel.moveToOffset(bounds.getEndOffset());
        editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
        selectionModel.removeSelection();
        editor.putUserData(EditorEx.LAST_PASTED_REGION, TextRange.create(bounds));
      }
    }
  }
  public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
    myProject = project;
    myFile = file.getViewProvider().getPsi(file.getViewProvider().getBaseLanguage());
    myEditor = editor;

    PsiElement context = myFile.getContext();

    if (context != null && (context.textContains('\'') || context.textContains('\"'))) {
      String s = context.getText();
      if (StringUtil.startsWith(s, "\"") || StringUtil.startsWith(s, "\'")) {
        myFile = context.getContainingFile();
        myEditor = editor instanceof EditorWindow ? ((EditorWindow) editor).getDelegate() : editor;
      }
    }

    myDocument = myEditor.getDocument();
    if (!FileDocumentManager.getInstance().requestWriting(myDocument, project)) {
      return;
    }

    PsiDocumentManager.getInstance(project).commitDocument(myDocument);

    FeatureUsageTracker.getInstance().triggerFeatureUsed("codeassists.comment.line");

    myCodeStyleManager = CodeStyleManager.getInstance(myProject);

    final SelectionModel selectionModel = myEditor.getSelectionModel();

    boolean hasSelection = selectionModel.hasSelection();
    myStartOffset = selectionModel.getSelectionStart();
    myEndOffset = selectionModel.getSelectionEnd();

    FoldRegion fold = myEditor.getFoldingModel().getCollapsedRegionAtOffset(myStartOffset);
    if (fold != null
        && fold.shouldNeverExpand()
        && fold.getStartOffset() == myStartOffset
        && fold.getEndOffset() == myEndOffset) {
      // Foldings that never expand are automatically selected, so the fact it is selected must not
      // interfer with commenter's logic
      hasSelection = false;
    }

    if (myDocument.getTextLength() == 0) return;

    while (true) {
      int lastLineEnd = myDocument.getLineEndOffset(myDocument.getLineNumber(myEndOffset));
      FoldRegion collapsedAt = myEditor.getFoldingModel().getCollapsedRegionAtOffset(lastLineEnd);
      if (collapsedAt != null) {
        final int endOffset = collapsedAt.getEndOffset();
        if (endOffset <= myEndOffset) {
          break;
        }
        myEndOffset = endOffset;
      } else {
        break;
      }
    }

    boolean wholeLinesSelected =
        !hasSelection
            || myStartOffset
                    == myDocument.getLineStartOffset(myDocument.getLineNumber(myStartOffset))
                && myEndOffset
                    == myDocument.getLineEndOffset(myDocument.getLineNumber(myEndOffset - 1)) + 1;

    boolean startingNewLineComment =
        !hasSelection
            && isLineEmpty(myDocument.getLineNumber(myStartOffset))
            && !Comparing.equal(
                IdeActions.ACTION_COMMENT_LINE,
                ActionManagerEx.getInstanceEx().getPrevPreformedActionId());
    doComment();

    if (startingNewLineComment) {
      final Commenter commenter = myCommenters[0];
      if (commenter != null) {
        String prefix;
        if (commenter instanceof SelfManagingCommenter) {
          prefix =
              ((SelfManagingCommenter) commenter)
                  .getCommentPrefix(
                      myStartLine,
                      myDocument,
                      myCommenterStateMap.get((SelfManagingCommenter) commenter));
          if (prefix == null) prefix = ""; // TODO
        } else {
          prefix = commenter.getLineCommentPrefix();
          if (prefix == null) prefix = commenter.getBlockCommentPrefix();
        }

        int lineStart = myDocument.getLineStartOffset(myStartLine);
        lineStart = CharArrayUtil.shiftForward(myDocument.getCharsSequence(), lineStart, " \t");
        lineStart += prefix.length();
        lineStart = CharArrayUtil.shiftForward(myDocument.getCharsSequence(), lineStart, " \t");
        if (lineStart > myDocument.getTextLength()) lineStart = myDocument.getTextLength();
        myEditor.getCaretModel().moveToOffset(lineStart);
        myEditor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
      }
    } else {
      if (!hasSelection) {
        // Don't tweak caret position if we're already located on the last document line.
        LogicalPosition position = myEditor.getCaretModel().getLogicalPosition();
        if (position.line < myDocument.getLineCount() - 1) {
          int verticalShift =
              1
                  + myEditor.getSoftWrapModel().getSoftWrapsForLine(position.line).size()
                  - position.softWrapLinesOnCurrentLogicalLine;
          myEditor.getCaretModel().moveCaretRelatively(0, verticalShift, false, false, true);
        }
      } else {
        if (wholeLinesSelected) {
          selectionModel.setSelection(myStartOffset, selectionModel.getSelectionEnd());
        }
      }
    }
  }