Merge pull request #77 from devinfrench/queries

Add widget item query

runelite-api/src/main/java/net/runelite/api/queries/WidgetItemQuery.java

@@ -0,0 +1,97 @@
+/*
+ * 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];
+	}
+}