/*
 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package org.jemmy.swt;

import java.util.Arrays;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.jemmy.action.GetAction;
import org.jemmy.control.Wrapper;
import org.jemmy.lookup.ControlHierarchy;
import org.jemmy.lookup.HierarchyLookup;
import org.jemmy.lookup.Lookup;
import org.jemmy.lookup.LookupCriteria;

/**
 *
 * @author shura
 */
public class MenuItemParent extends AbstractParent<MenuItem> {

    private Wrap<? extends Shell> shell;
    private MenuHierarchy hierarchy;
    private Wrapper wrapper;

    public <ST extends MenuItem> Lookup<ST> lookup(Class<ST> controlClass, LookupCriteria<ST> criteria) {
        return new HierarchyLookup<ST>(shell.getEnvironment(), hierarchy, wrapper, controlClass, criteria);
    }

    public Lookup<MenuItem> lookup(LookupCriteria<MenuItem> criteria) {
        return lookup(MenuItem.class, criteria);
    }

    public Class<MenuItem> getType() {
        return MenuItem.class;
    }

    private class MenuHierarchy implements ControlHierarchy {

        public List<?> getChildren(final Object subParent) {
            return new GetAction<List<?>>() {

                @Override
                public void run(Object... parameters) throws Exception {
                    if(((MenuItem)subParent).getStyle() == SWT.CASCADE) {
                        setResult(Arrays.asList(((MenuItem)subParent).getMenu().getItems()));
                    } else {
                        setResult(null);
                    }
                }
            }.dispatch(shell.getEnvironment());
        }

        public Object getParent(final Object child) {
            return new GetAction<MenuItem>() {

                @Override
                public void run(Object... parameters) throws Exception {
                    setResult(((MenuItem)child).getMenu().getParentItem());
                }
            }.dispatch(shell.getEnvironment());
        }

        public List<?> getControls() {
            return new GetAction<List<?>>() {

                @Override
                public void run(Object... parameters) throws Exception {
                    setResult(Arrays.asList(shell.getControl().getMenuBar().getItems()));
                }
            }.dispatch(shell.getEnvironment());
        }
    }


}