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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.refactoring.classes.pullUp;

import com.intellij.refactoring.classMembers.AbstractUsesDependencyMemberInfoModel;
import com.jetbrains.python.psi.PyClass;
import com.jetbrains.python.psi.PyElement;
import com.jetbrains.python.refactoring.classes.membersManager.PyMemberInfo;
import org.jetbrains.annotations.NotNull;

/**
 * Dependencies model for PyPullUp refactoring
* @author Ilya.Kazakevich
*/
class PyPullUpInfoModel extends AbstractUsesDependencyMemberInfoModel> {
  @NotNull
  private final PyPullUpView myView;


  PyPullUpInfoModel(@NotNull final PyClass classUnderRefactoring,
                    @NotNull final PyPullUpView view) {
    super(classUnderRefactoring, null, false);
    myView = view;
  }

  @Override
  public boolean isAbstractEnabled(final PyMemberInfo member) {
    return member.isCouldBeAbstract() && isMemberEnabled(member); // TODO: copy paste with other models, get rid of
  }

  @Override
  public int checkForProblems(@NotNull final PyMemberInfo member) {
    return member.isChecked() ? OK : super.checkForProblems(member);
  }


  @Override
  protected int doCheck(@NotNull final PyMemberInfo memberInfo, final int problem) {
    return problem;
  }

  @Override
  public boolean isMemberEnabled(final PyMemberInfo member) {
    final PyClass currentSuperClass = myView.getSelectedParent();
    if (member.getMember() instanceof PyClass) {
      //TODO: Delegate to Memebers Managers
      final PyClass memberClass = (PyClass)member.getMember();
      if (memberClass.isSubclass(currentSuperClass) || currentSuperClass.isSubclass(memberClass)) {
        return false; //Class is already parent of superclass
      }
    }
    return true;
  }
}