override fun checkAutoPopup()

in src/org/jetbrains/r/editor/RCompletionAutoPopupHandler.kt [27:56]

28 lines of code
18 McCabe index (conditional complexity)


  override fun checkAutoPopup(charTyped: Char, project: Project, editor: Editor, file: PsiFile): Result {
    if (file.fileType !in listOf(RFileType, RoxygenFileType) && file.virtualFile?.fileType != RMarkdownFileType) return Result.CONTINUE
    val offset = editor.caretModel.offset

    if (identifierPart(charTyped)) {
      if (!REditorSettings.disableCompletionAutoPopupForShortPrefix) {
        return Result.CONTINUE
      }
      if (offset < identifierPrefixLength) {
        return Result.STOP
      }
      val content = editor.document.charsSequence
      return if (identifierPart(content[offset - 1]) && identifierPart(content[offset - 2])) {
        Result.CONTINUE
      } else {
        Result.STOP
      }
    }

    if (charTyped != '$' && charTyped != ':' && charTyped != '/' && charTyped != '\\') return Result.CONTINUE
    AutoPopupController.getInstance(project).scheduleAutoPopup(editor) l@{ psiFile ->
      val element = psiFile.findElementAt(offset) ?: return@l false
      val parent = element.parent ?: return@l false
      if (parent is RNamespaceAccessExpression && parent.identifier == null) return@l true
      if (isSubsetOperator(element)) return@l true
      if (parent is RStringLiteralExpression && charTyped == '/' || charTyped == '\\') return@l true
      return@l false
    }
    return Result.STOP
  }