IpnbPyReferenceExpression.java

package org.jetbrains.plugins.ipnb.psi;

import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiPolyVariantReference;
import com.intellij.psi.util.PsiTreeUtil;
import com.jetbrains.python.psi.PyFromImportStatement;
import com.jetbrains.python.psi.PyImportElement;
import com.jetbrains.python.psi.impl.PyReferenceExpressionImpl;
import com.jetbrains.python.psi.impl.references.PyImportReference;
import com.jetbrains.python.psi.impl.references.PyQualifiedReference;
import com.jetbrains.python.psi.resolve.PyResolveContext;
import org.jetbrains.annotations.NotNull;

public class IpnbPyReferenceExpression extends PyReferenceExpressionImpl {

  public IpnbPyReferenceExpression(ASTNode astNode) {
    super(astNode);
  }

  @NotNull
  @Override
  public PsiPolyVariantReference getReference(@NotNull PyResolveContext context) {
    if (isQualified()) {
      return new PyQualifiedReference(this, context);
    }
    final PsiElement importParent = PsiTreeUtil.getParentOfType(this, PyImportElement.class, PyFromImportStatement.class);
    if (importParent != null) {
      return PyImportReference.forElement(this, importParent, context);
    }
    return new IpnbPyReference(this, context);
  }
}