/*
 * Copyright 2003-2016 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 jetbrains.mps.lang.editor.menus;

import org.jetbrains.annotations.NotNull;

import java.util.ArrayList;
import java.util.List;

public class CompositeMenuPart<ItemT, ContextT> implements MenuPart<ItemT, ContextT> {
  private final Iterable<? extends MenuPart<ItemT, ContextT>> myParts;

  public CompositeMenuPart(Iterable<? extends MenuPart<ItemT, ContextT>> parts) {
    myParts = parts;
  }

  @NotNull
  @Override
  public List<ItemT> createItems(ContextT context) {
    List<ItemT> items = new ArrayList<>();

    for (MenuPart<ItemT, ContextT> part : myParts) {
      items.addAll(part.createItems(context));
    }

    return items;
  }
}
