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package cn.mapway.ui.client.test.menu;

import cn.mapway.ui.client.widget.menu.IMenuItem;
import cn.mapway.ui.client.widget.menu.IMenuProvider;
import cn.mapway.ui.client.widget.menu.MenuItem;
import cn.mapway.ui.client.widget.menu.handler.MenuExecutor;

import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Widget;

/**
 * The type Main menu provider.
 */
public class MainMenuProvider implements IMenuProvider {

    /**
     * The Root.
     */
    IMenuItem root;
    private MenuExecutor menuHandler = new MenuExecutor() {

        @Override
        public void execute(Widget sender, IMenuItem menu) {
            Window.alert(menu.getName());
        }
    };

    /**
     * Instantiates a new Main menu provider.
     */
    public MainMenuProvider() {
        root = new MenuItem("主菜单");
        IMenuItem item1;

        item1 = new MenuItem("文件");
        IMenuItem file = new MenuItem("New");
        file.addSubMenu(new MenuItem("Excel"));
        file.addSubMenu(new MenuItem("PowerPointer"));
        item1.addSubMenu(file);

        item1.addSubMenu(new MenuItem("Save", menuHandler));
        item1.addSubMenu(new MenuItem("Exit", menuHandler));
        root.addSubMenu(item1);

        item1 = new MenuItem("关于", CustomRender.INSTANCE);
        item1.addSubMenu(new MenuItem("About", menuHandler));
        item1.addSubMenu(new MenuItem("Authors", menuHandler));
        root.addSubMenu(item1);

    }

    @Override
    public IMenuItem findMenu(IMenuItem parent) {
        if (parent == null) {
            return root;
        } else {
            return root;
        }
    }

}