/*
* 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.intellij.application.options.codeStyle.arrangement.match;
import com.intellij.openapi.application.ApplicationBundle;
import com.intellij.psi.codeStyle.arrangement.match.StdArrangementMatchRule;
import org.jetbrains.annotations.Nullable;
/**
* @author Svetlana.Zemlyanskaya
*/
public class ArrangementMatchingRulesValidator {
protected ArrangementMatchingRulesModel myRulesModel;
public ArrangementMatchingRulesValidator(ArrangementMatchingRulesModel model) {
myRulesModel = model;
}
@Nullable
protected String validate(int index) {
if (myRulesModel.getSize() < index) {
return null;
}
final Object target = myRulesModel.getElementAt(index);
if (target instanceof StdArrangementMatchRule) {
for (int i = 0; i < index; i++) {
final Object element = myRulesModel.getElementAt(i);
if (element instanceof StdArrangementMatchRule && target.equals(element)) {
return ApplicationBundle.message("arrangement.settings.validation.duplicate.matching.rule");
}
}
}
return null;
}
}