/*
 * Copyright (c) 2017, Devin French <https://github.com/devinfrench>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package net.runelite.api.queries;

import net.runelite.api.Client;
import net.runelite.api.Query;
import net.runelite.api.widgets.Widget;
import net.runelite.api.widgets.WidgetInfo;
import net.runelite.api.widgets.WidgetItem;

import java.util.Collection;
import java.util.Objects;

public class WidgetItemQuery extends Query<WidgetItem, WidgetItemQuery>
{
	private final WidgetInfo widgetInfo;

	public WidgetItemQuery(WidgetInfo widgetInfo)
	{
		this.widgetInfo = widgetInfo;
	}

	public WidgetItemQuery idEquals(int... ids)
	{
		predicate = and(item ->
		{
			for (int id : ids)
			{
				if (item.getId() == id)
				{
					return true;
				}
			}
			return false;
		});
		return this;
	}

	public WidgetItemQuery indexEquals(int... indexes)
	{
		predicate = and(item ->
		{
			for (int index : indexes)
			{
				if (item.getIndex() == index)
				{
					return true;
				}
			}
			return false;
		});
		return this;
	}

	public WidgetItemQuery quantityEquals(int quantity)
	{
		predicate = and(item -> item.getQuantity() == quantity);
		return this;
	}

	@Override
	protected WidgetItem[] result(Client client)
	{
		Widget widget = client.getWidget(widgetInfo);
		if (widget != null)
		{
			Collection<WidgetItem> widgetItems = widget.getWidgetItems();
			if (widgetItems != null)
			{
				return widgetItems.stream().filter(Objects::nonNull).filter(predicate).toArray(WidgetItem[]::new);
			}
		}
		return new WidgetItem[0];
	}
}

Add widget item query