Example #1
1
  @Override
  protected void updateTitle(@Nullable final PsiVariable variable, final String value) {
    final PsiElement declarationScope =
        variable != null ? ((PsiParameter) variable).getDeclarationScope() : null;
    if (declarationScope instanceof PsiMethod) {
      final PsiMethod psiMethod = (PsiMethod) declarationScope;
      final StringBuilder buf = new StringBuilder();
      buf.append(psiMethod.getName()).append(" (");
      boolean frst = true;
      final List<TextRange> ranges2Remove = new ArrayList<>();
      TextRange addedRange = null;
      for (PsiParameter parameter : psiMethod.getParameterList().getParameters()) {
        if (frst) {
          frst = false;
        } else {
          buf.append(", ");
        }
        int startOffset = buf.length();
        if (myMustBeFinal || myPanel.isGenerateFinal()) {
          buf.append("final ");
        }
        buf.append(parameter.getType().getPresentableText())
            .append(" ")
            .append(variable == parameter ? value : parameter.getName());
        int endOffset = buf.length();
        if (variable == parameter) {
          addedRange = new TextRange(startOffset, endOffset);
        } else if (myPanel.isParamToRemove(parameter)) {
          ranges2Remove.add(new TextRange(startOffset, endOffset));
        }
      }

      buf.append(")");
      setPreviewText(buf.toString());
      final MarkupModel markupModel =
          DocumentMarkupModel.forDocument(getPreviewEditor().getDocument(), myProject, true);
      markupModel.removeAllHighlighters();
      for (TextRange textRange : ranges2Remove) {
        markupModel.addRangeHighlighter(
            textRange.getStartOffset(),
            textRange.getEndOffset(),
            0,
            getTestAttributesForRemoval(),
            HighlighterTargetArea.EXACT_RANGE);
      }
      markupModel.addRangeHighlighter(
          addedRange.getStartOffset(),
          addedRange.getEndOffset(),
          0,
          getTextAttributesForAdd(),
          HighlighterTargetArea.EXACT_RANGE);
      revalidate();
    }
  }
  protected void performIntroduce() {
    boolean isDeleteLocalVariable = false;

    PsiExpression parameterInitializer = myExpr;
    if (getLocalVariable() != null) {
      if (myPanel.isUseInitializer()) {
        parameterInitializer = getLocalVariable().getInitializer();
      }
      isDeleteLocalVariable = myPanel.isDeleteLocalVariable();
    }

    final TIntArrayList parametersToRemove = myPanel.getParametersToRemove();

    final IntroduceParameterProcessor processor =
        new IntroduceParameterProcessor(
            myProject,
            myMethod,
            myMethodToSearchFor,
            parameterInitializer,
            myExpr,
            (PsiLocalVariable) getLocalVariable(),
            isDeleteLocalVariable,
            getInputName(),
            myPanel.isReplaceAllOccurences(),
            myPanel.getReplaceFieldsWithGetters(),
            myMustBeFinal || myPanel.isGenerateFinal(),
            isGenerateDelegate(),
            getType(),
            parametersToRemove);
    final Runnable runnable =
        new Runnable() {
          public void run() {
            final Runnable performRefactoring =
                new Runnable() {
                  public void run() {
                    processor.setPrepareSuccessfulSwingThreadCallback(
                        new Runnable() {
                          @Override
                          public void run() {}
                        });
                    processor.run();
                    normalizeParameterIdxAccordingToRemovedParams(parametersToRemove);
                    final PsiParameter parameter = getParameter();
                    if (parameter != null) {
                      InplaceIntroduceParameterPopup.super.saveSettings(parameter);
                    }
                  }
                };
            if (ApplicationManager.getApplication().isUnitTestMode()) {
              performRefactoring.run();
            } else {
              ApplicationManager.getApplication().invokeLater(performRefactoring);
            }
          }
        };
    CommandProcessor.getInstance().executeCommand(myProject, runnable, getCommandName(), null);
  }