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/*
* Copyright 2000-2009 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.openapi.diff;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
/**
* @author dyoma
*/
public interface DiffViewer {
/**
* Needed here, and not only in factory, since dif viewers are reused in composite viewer
*/
boolean canShowRequest(DiffRequest request);
void setDiffRequest(DiffRequest request);
JComponent getComponent();
@Nullable
JComponent getPreferredFocusedComponent();
int getContentsNumber();
boolean acceptsType(DiffViewerType type);
}