platform/editor-ui-api/src/com/intellij/openapi/vcs/FileStatusFactory.java

/*
 * 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.openapi.vcs;

import com.intellij.openapi.editor.colors.ColorKey;
import com.intellij.openapi.editor.colors.EditorColorsManager;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;

import java.awt.*;
import java.util.ArrayList;
import java.util.List;

public class FileStatusFactory {
  private static final FileStatusFactory ourInstance = new FileStatusFactory();
  private final List<FileStatus> myStatuses = new ArrayList<FileStatus>();

  private FileStatusFactory() {
  }

  public synchronized FileStatus createFileStatus(@NonNls @NotNull String id, @NotNull String description, Color color) {
    FileStatusImpl result = new FileStatusImpl(id, ColorKey.createColorKey("FILESTATUS_" + id, color), description);
    myStatuses.add(result);
    return result;
  }

  public synchronized FileStatus createOnlyColorForFileStatus(@NonNls @NotNull String id, final Color color) {
    FileStatus result = new FileStatusImpl.OnlyColorFileStatus(id, ColorKey.createColorKey("FILESTATUS_" + id, color), null);
    myStatuses.add(result);
    return result;
  }

  public synchronized FileStatus[] getAllFileStatuses() {
    return myStatuses.toArray(new FileStatus[myStatuses.size()]);
  }

  public static FileStatusFactory getInstance() {
    return ourInstance;
  }

  /**
   * author: lesya
   */
  private static class FileStatusImpl implements FileStatus {
    private final String myStatus;
    private final ColorKey myColorKey;
    private final String myText;

    public FileStatusImpl(@NotNull String status, @NotNull ColorKey key, String text) {
      myStatus = status;
      myColorKey = key;
      myText = text;
    }

    public String toString() {
      return myStatus;
    }

    @Override
    public String getText() {
      return myText;
    }

    @Override
    public Color getColor() {
      return EditorColorsManager.getInstance().getGlobalScheme().getColor(getColorKey());
    }

    @NotNull
    @Override
    public ColorKey getColorKey() {
      return myColorKey;
    }

    @NotNull
    @Override
    public String getId() {
      return myStatus;
    }

    private static class OnlyColorFileStatus extends FileStatusImpl {
      public OnlyColorFileStatus(@NotNull String status, @NotNull ColorKey key, String text) {
        super(status, key, text);
      }

      @NotNull
      @Override
      public String getId() {
        throw new UnsupportedOperationException();
      }

      @Override
      public String getText() {
        throw new UnsupportedOperationException();
      }
    }
  }
}