import com.intellij.refactoring.introduce.inplace.InplaceVariableIntroducer; //导入依赖的package包/类
@Override
protected void performInplaceIntroduce(IntroduceOperation operation) {
  final PsiElement statement = performRefactoring(operation);
  if (statement instanceof PyNamedParameter) {
    final List<PsiElement> occurrences = operation.getOccurrences();
    final PsiElement occurrence = findOccurrenceUnderCaret(occurrences, operation.getEditor());
    PsiElement elementForCaret = occurrence != null ? occurrence : statement;
    operation.getEditor().getCaretModel().moveToOffset(elementForCaret.getTextRange().getStartOffset());
    final InplaceVariableIntroducer<PsiElement> introducer =
      new PyInplaceParameterIntroducer((PyNamedParameter)statement, operation, occurrences);
    introducer.performInplaceRefactoring(new LinkedHashSet<String>(operation.getSuggestedNames()));
  }
}
 

import com.intellij.refactoring.introduce.inplace.InplaceVariableIntroducer; //导入依赖的package包/类
protected void performInplaceIntroduce(IntroduceOperation operation) {
  final PsiElement statement = performRefactoring(operation);
  if (statement instanceof PyAssignmentStatement) {
    PyTargetExpression target = (PyTargetExpression) ((PyAssignmentStatement)statement).getTargets() [0];
    final List<PsiElement> occurrences = operation.getOccurrences();
    final PsiElement occurrence = findOccurrenceUnderCaret(occurrences, operation.getEditor());
    PsiElement elementForCaret = occurrence != null ? occurrence : target;
    operation.getEditor().getCaretModel().moveToOffset(elementForCaret.getTextRange().getStartOffset());
    final InplaceVariableIntroducer<PsiElement> introducer =
            new PyInplaceVariableIntroducer(target, operation, occurrences);
    introducer.performInplaceRefactoring(new LinkedHashSet<String>(operation.getSuggestedNames()));
  }
}
 

import com.intellij.refactoring.introduce.inplace.InplaceVariableIntroducer; //导入依赖的package包/类
@Override
protected void performInplaceIntroduce(IntroduceOperation operation) {
  final PsiElement statement = performRefactoring(operation);
  // put caret on identifier after "self."
  if (statement instanceof PyAssignmentStatement) {
      final List<PsiElement> occurrences = operation.getOccurrences();
      final PsiElement occurrence = findOccurrenceUnderCaret(occurrences, operation.getEditor());
      PyTargetExpression target = (PyTargetExpression) ((PyAssignmentStatement)statement).getTargets() [0];
      putCaretOnFieldName(operation.getEditor(), occurrence != null ? occurrence : target);
      final InplaceVariableIntroducer<PsiElement> introducer = new PyInplaceFieldIntroducer(target, operation, occurrences);
      introducer.performInplaceRefactoring(new LinkedHashSet<String>(operation.getSuggestedNames()));
    }
  }
 

import com.intellij.refactoring.introduce.inplace.InplaceVariableIntroducer; //导入依赖的package包/类
protected void performInplaceIntroduce(CSharpIntroduceOperation operation)
{
	final PsiElement statement = performRefactoring(operation);
	final CSharpLocalVariable target = PsiTreeUtil.findChildOfType(statement, CSharpLocalVariable.class);
	final PsiElement nameIdentifier = target != null ? target.getNameIdentifier() : null;
	if(nameIdentifier == null)
	{
		return;
	}
	final List<PsiElement> occurrences = operation.getOccurrences();
	operation.getEditor().getCaretModel().moveToOffset(nameIdentifier.getTextOffset());
	final InplaceVariableIntroducer<PsiElement> introducer = createVariableIntroducer(target, operation, occurrences);
	introducer.performInplaceRefactoring(new LinkedHashSet<String>(operation.getSuggestedNames()));
}
 

import com.intellij.refactoring.introduce.inplace.InplaceVariableIntroducer; //导入依赖的package包/类
protected void performInplaceIntroduce(HaxeIntroduceOperation operation) {
  final PsiElement statement = performRefactoring(operation);
  final HaxeComponent target = PsiTreeUtil.findChildOfType(statement, HaxeComponent.class);
  if (target == null) {
    return;
  }
  final List<PsiElement> occurrences = operation.getOccurrences();
  final PsiElement occurrence = HaxeRefactoringUtil.findOccurrenceUnderCaret(occurrences, operation.getEditor());
  final PsiElement elementForCaret = occurrence != null ? occurrence : target;
  operation.getEditor().getCaretModel().moveToOffset(elementForCaret.getTextRange().getStartOffset());
  final InplaceVariableIntroducer<PsiElement> introducer =
    new HaxeInplaceVariableIntroducer(target.getComponentName(), operation, occurrences);
  introducer.performInplaceRefactoring(new LinkedHashSet<String>(operation.getSuggestedNames()));
}
 

import com.intellij.refactoring.introduce.inplace.InplaceVariableIntroducer; //导入依赖的package包/类
@NotNull
protected abstract InplaceVariableIntroducer<PsiElement> createVariableIntroducer(CSharpLocalVariable target, CSharpIntroduceOperation operation, List<PsiElement> occurrences);