void (ExtractMethodProcessor processor) { PsiFile psiFile = processor.getElements()[0].getContainingFile(); String title = (psiFile != null ? psiFile.getName() + ": " : "") + processor.getMethodName() + "()"; PreviewPanel panel = new PreviewPanel(processor); Content content = myContentManager.getFactory().createContent(panel, title, true); myContentManager.addContent(content); myContentManager.setSelectedContent(content); panel.setContent(content); ToolWindowManager.getInstance(myProject).getToolWindow(ToolWindowId.EXTRACT_METHOD).activate(panel::initLater); }