platform/usageView/src/com/intellij/usages/UsageGroup.java

/*
 * 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.usages;

import com.intellij.openapi.vcs.FileStatus;
import com.intellij.pom.Navigatable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import javax.swing.*;

public interface UsageGroup extends Comparable<UsageGroup>, Navigatable {
  @Nullable
  Icon getIcon(boolean isOpen);

  @NotNull
  String getText(@Nullable UsageView view);

  @Nullable
  FileStatus getFileStatus();

  boolean isValid();
  void update();
}