ConvertSetLiteralQuickFix.java

/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jetbrains.python.inspections.quickfix;

import com.intellij.codeInspection.LocalQuickFix;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.jetbrains.python.PyBundle;
import com.jetbrains.python.psi.*;
import org.jetbrains.annotations.NotNull;

public class ConvertSetLiteralQuickFix implements LocalQuickFix {
  @NotNull
  @Override
  public String getName() {
    return PyBundle.message("INTN.convert.set.literal.to");
  }

  @NotNull
  public String getFamilyName() {
    return PyBundle.message("INTN.Family.convert.set.literal");
  }

  @Override
  public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
    PsiElement setLiteral = descriptor.getPsiElement();
    if (setLiteral instanceof PySetLiteralExpression) {
      PyExpression[] expressions = ((PySetLiteralExpression)setLiteral).getElements();
      PyElementGenerator elementGenerator = PyElementGenerator.getInstance(project);
      assert expressions.length != 0;
      StringBuilder stringBuilder = new StringBuilder(expressions[0].getText());
      for (int i = 1; i < expressions.length; ++i) {
        stringBuilder.append(", ");
        stringBuilder.append(expressions[i].getText());
      }
      PyStatement newElement = elementGenerator.createFromText(LanguageLevel.getDefault(), PyExpressionStatement.class, "set([" + stringBuilder.toString() + "])");
      setLiteral.replace(newElement);
    }
  }
}