com.jetbrains.python.codeInsight.editorActions.smartEnter.fixers.PyClassFixer Maven / Gradle / Ivy

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A packaging of the IntelliJ Community Edition python-community library. This is release number 1 of trunk branch 142.

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/*
 * 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.codeInsight.editorActions.smartEnter.fixers;

import com.intellij.openapi.editor.Editor;
import com.intellij.psi.PsiElement;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.IncorrectOperationException;
import com.jetbrains.python.PyTokenTypes;
import com.jetbrains.python.codeInsight.editorActions.smartEnter.PySmartEnterProcessor;
import com.jetbrains.python.psi.PyArgumentList;
import com.jetbrains.python.psi.PyClass;
import com.jetbrains.python.psi.impl.PyPsiUtils;
import org.jetbrains.annotations.NotNull;

import static com.jetbrains.python.psi.PyUtil.sure;

/**
 * Created by IntelliJ IDEA.
 * Author: Alexey.Ivanov
 * Date:   16.04.2010
 * Time:   18:41:08
 */
public class PyClassFixer extends PyFixer {
  public PyClassFixer() {
    super(PyClass.class);
  }

  public void doApply(@NotNull Editor editor, @NotNull PySmartEnterProcessor processor, @NotNull PyClass pyClass) throws IncorrectOperationException {
    final PsiElement colon = PyPsiUtils.getFirstChildOfType(pyClass, PyTokenTypes.COLON);
    if (colon == null) {
      final PyArgumentList argList = PsiTreeUtil.getChildOfType(pyClass, PyArgumentList.class);
      final int colonOffset = sure(argList).getTextRange().getEndOffset();
      String textToInsert = ":";
      if (pyClass.getNameNode() == null) {
        int newCaretOffset = argList.getTextOffset();
        if (argList.getTextLength() == 0) {
          newCaretOffset += 1;
          textToInsert = " :";
        }
        processor.registerUnresolvedError(newCaretOffset);
      }
      editor.getDocument().insertString(colonOffset, textToInsert);
    }
  }
}