/*
   * @see org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal#apply(org.eclipse.jface.text.IDocument, char, int)
   */
  @Override
  public void apply(IDocument document, char trigger, int offset) {
    try {
      boolean insertClosingParenthesis = trigger == '(' && autocloseBrackets();
      if (insertClosingParenthesis) {
        StringBuffer replacement = new StringBuffer(getReplacementString());
        updateReplacementWithParentheses(replacement);
        setReplacementString(replacement.toString());
        trigger = '\0';
      }

      super.apply(document, trigger, offset);

      if (fImportRewrite != null && fImportRewrite.hasRecordedChanges()) {
        int oldLen = document.getLength();
        fImportRewrite
            .rewriteImports(new NullProgressMonitor())
            .apply(document, TextEdit.UPDATE_REGIONS);
        setReplacementOffset(getReplacementOffset() + document.getLength() - oldLen);
      }

      if (insertClosingParenthesis) setUpLinkedMode(document, ')');

      rememberSelection();
    } catch (CoreException e) {
      JavaPlugin.log(e);
    } catch (BadLocationException e) {
      JavaPlugin.log(e);
    }
  }
  private void rewriteImports() {
    if (fImportRewrite == null) return;

    if (isReadOnly()) return;

    ICompilationUnit cu = getCompilationUnit();
    if (cu == null) return;

    try {
      Position position = new Position(getCompletionOffset(), 0);
      IDocument document = getDocument();
      final String category =
          "__template_position_importer" + System.currentTimeMillis(); // $NON-NLS-1$
      IPositionUpdater updater = new DefaultPositionUpdater(category);
      document.addPositionCategory(category);
      document.addPositionUpdater(updater);
      document.addPosition(position);

      try {
        JavaModelUtil.applyEdit(cu, fImportRewrite.rewriteImports(null), false, null);

        setCompletionOffset(position.getOffset());
      } catch (CoreException e) {
        handleException(null, e);
      } finally {
        document.removePosition(position);
        document.removePositionUpdater(updater);
        document.removePositionCategory(category);
      }
    } catch (BadLocationException e) {
      handleException(null, e);
    } catch (BadPositionCategoryException e) {
      handleException(null, e);
    }
  }
  /* non Java-doc
   * @see IRefactoring#createChange(IProgressMonitor)
   */
  @Override
  public Change createChange(IProgressMonitor pm) throws CoreException {
    final String NN = ""; // $NON-NLS-1$
    if (pm == null) pm = new NullProgressMonitor();
    pm.beginTask(NN, 2);
    try {
      final CompilationUnitChange result = new CompilationUnitChange(getName(), fCUnit);
      if (fLeaveDirty) result.setSaveMode(TextFileChange.LEAVE_DIRTY);
      MultiTextEdit root = new MultiTextEdit();
      result.setEdit(root);
      fRewriter = ASTRewrite.create(fAnalyzer.getEnclosingBodyDeclaration().getAST());
      fRewriter.setTargetSourceRangeComputer(
          new SelectionAwareSourceRangeComputer(
              fAnalyzer.getSelectedNodes(),
              fCUnit.getBuffer(),
              fSelection.getOffset(),
              fSelection.getLength()));
      fImportRewrite = StubUtility.createImportRewrite(fRootNode, true);

      fLinkedProposalModel = new LinkedProposalModel();

      fScope =
          CodeScopeBuilder.perform(fAnalyzer.getEnclosingBodyDeclaration(), fSelection)
              .findScope(fSelection.getOffset(), fSelection.getLength());
      fScope.setCursor(fSelection.getOffset());

      fSelectedNodes = fAnalyzer.getSelectedNodes();

      createTryCatchStatement(fCUnit.getBuffer(), fCUnit.findRecommendedLineSeparator());

      if (fImportRewrite.hasRecordedChanges()) {
        TextEdit edit = fImportRewrite.rewriteImports(null);
        root.addChild(edit);
        result.addTextEditGroup(new TextEditGroup(NN, new TextEdit[] {edit}));
      }
      TextEdit change = fRewriter.rewriteAST();
      root.addChild(change);
      result.addTextEditGroup(new TextEditGroup(NN, new TextEdit[] {change}));
      return result;
    } finally {
      pm.done();
    }
  }
  private String createImportForAccessor(
      MultiTextEdit parent,
      String accessorClassName,
      IPackageFragment accessorPackage,
      ICompilationUnit cu)
      throws CoreException {
    IType type =
        accessorPackage
            .getCompilationUnit(accessorClassName + JavaModelUtil.DEFAULT_CU_SUFFIX)
            .getType(accessorClassName);
    String fullyQualifiedName = type.getFullyQualifiedName();

    ImportRewrite importRewrite = StubUtility.createImportRewrite(cu, true);
    String nameToUse = importRewrite.addImport(fullyQualifiedName);
    TextEdit edit = importRewrite.rewriteImports(null);
    parent.addChild(edit);

    return nameToUse;
  }
  public RefactoringStatus checkFinalConditions(IProgressMonitor pm) throws CoreException {
    pm.beginTask("", 20); // $NON-NLS-1$
    fChangeManager = new TextChangeManager();
    RefactoringStatus result = new RefactoringStatus();
    fSourceProvider.initialize();
    fTargetProvider.initialize();

    pm.setTaskName(RefactoringCoreMessages.InlineMethodRefactoring_searching);
    RefactoringStatus searchStatus = new RefactoringStatus();
    String binaryRefsDescription =
        Messages.format(
            RefactoringCoreMessages.ReferencesInBinaryContext_ref_in_binaries_description,
            BasicElementLabels.getJavaElementName(fSourceProvider.getMethodName()));
    ReferencesInBinaryContext binaryRefs = new ReferencesInBinaryContext(binaryRefsDescription);
    ICompilationUnit[] units =
        fTargetProvider.getAffectedCompilationUnits(
            searchStatus, binaryRefs, new SubProgressMonitor(pm, 1));
    binaryRefs.addErrorIfNecessary(searchStatus);
    if (searchStatus.hasFatalError()) {
      result.merge(searchStatus);
      return result;
    }

    IFile[] filesToBeModified = getFilesToBeModified(units);
    result.merge(Checks.validateModifiesFiles(filesToBeModified, getValidationContext()));
    if (result.hasFatalError()) return result;
    result.merge(
        ResourceChangeChecker.checkFilesToBeChanged(
            filesToBeModified, new SubProgressMonitor(pm, 1)));
    checkOverridden(result, new SubProgressMonitor(pm, 4));
    IProgressMonitor sub = new SubProgressMonitor(pm, 15);
    sub.beginTask("", units.length * 3); // $NON-NLS-1$
    for (int c = 0; c < units.length; c++) {
      ICompilationUnit unit = units[c];
      sub.subTask(
          Messages.format(
              RefactoringCoreMessages.InlineMethodRefactoring_processing,
              BasicElementLabels.getFileName(unit)));
      CallInliner inliner = null;
      try {
        boolean added = false;
        MultiTextEdit root = new MultiTextEdit();
        CompilationUnitChange change = (CompilationUnitChange) fChangeManager.get(unit);
        change.setEdit(root);
        BodyDeclaration[] bodies =
            fTargetProvider.getAffectedBodyDeclarations(unit, new SubProgressMonitor(pm, 1));
        if (bodies.length == 0) continue;
        inliner = new CallInliner(unit, (CompilationUnit) bodies[0].getRoot(), fSourceProvider);
        for (int b = 0; b < bodies.length; b++) {
          BodyDeclaration body = bodies[b];
          inliner.initialize(body);
          RefactoringStatus nestedInvocations = new RefactoringStatus();
          ASTNode[] invocations =
              removeNestedCalls(
                  nestedInvocations,
                  unit,
                  fTargetProvider.getInvocations(body, new SubProgressMonitor(sub, 2)));
          for (int i = 0; i < invocations.length; i++) {
            ASTNode invocation = invocations[i];
            result.merge(inliner.initialize(invocation, fTargetProvider.getStatusSeverity()));
            if (result.hasFatalError()) break;
            if (result.getSeverity() < fTargetProvider.getStatusSeverity()) {
              added = true;
              TextEditGroup group =
                  new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_inline);
              change.addTextEditGroup(group);
              result.merge(inliner.perform(group));
            } else {
              fDeleteSource = false;
            }
          }
          // do this after we have inlined the method calls. We still want
          // to generate the modifications.
          if (!nestedInvocations.isOK()) {
            result.merge(nestedInvocations);
            fDeleteSource = false;
          }
        }
        if (!added) {
          fChangeManager.remove(unit);
        } else {
          root.addChild(inliner.getModifications());
          ImportRewrite rewrite = inliner.getImportEdit();
          if (rewrite.hasRecordedChanges()) {
            TextEdit edit = rewrite.rewriteImports(null);
            if (edit instanceof MultiTextEdit
                ? ((MultiTextEdit) edit).getChildrenSize() > 0
                : true) {
              root.addChild(edit);
              change.addTextEditGroup(
                  new TextEditGroup(
                      RefactoringCoreMessages.InlineMethodRefactoring_edit_import,
                      new TextEdit[] {edit}));
            }
          }
        }
      } finally {
        if (inliner != null) inliner.dispose();
      }
      sub.worked(1);
      if (sub.isCanceled()) throw new OperationCanceledException();
    }
    result.merge(searchStatus);
    sub.done();
    pm.done();
    return result;
  }