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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * 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.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Contact details
 *
 * Email: [email protected]
 * Site:  http://se.solovyev.org
 */

package org.solovyev.android.menu;

import android.content.Context;
import org.solovyev.common.collections.Collections;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.List;

/**
 * User: serso
 * Date: 12/18/11
 * Time: 1:31 PM
 */
public class ListContextMenu, D> implements ContextMenu {

	private final List menuItems;

	@Nonnull
	public static , D> ContextMenu newInstance(T... menuItems) {
		return new ListContextMenu(menuItems);
	}

	@Nonnull
	public static , D> ContextMenu newInstance(@Nonnull List menuItems) {
		return new ListContextMenu(menuItems);
	}

	private ListContextMenu(T... menuItems) {
		this(Collections.asList(menuItems));
	}

	private ListContextMenu(@Nonnull List menuItems) {
		this.menuItems = new ArrayList(menuItems);
	}

	@Override
	@Nullable
	public T itemAt(int i) {
		if (i >= 0 && i < menuItems.size()) {
			return menuItems.get(i);
		} else {
			return null;
		}
	}

	@Override
	@Nonnull
	public CharSequence[] getMenuCaptions(@Nonnull final Context context) {
		final CharSequence[] result = new CharSequence[this.menuItems.size()];
		for (int i = 0; i < this.menuItems.size(); i++) {
			result[i] = this.menuItems.get(i).getCaption(context);
		}
		return result;
	}
}