ClassLibraryWeiBao/IZWebFileManager/BaseMenu.cs

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// Copyright (C) 2010 Igor Zelmanovich <izwebfilemanager@gmail.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using System;
using System.Collections.Generic;
using System.Text;
using System.Web.UI.Adapters;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.Adapters;
using System.Reflection;
using System.Web.UI;

namespace IZ.WebFileManager
{
    class BaseMenu
    {
        protected readonly Style DynamicMenuItemStyle;
        protected readonly Style DynamicHoverStyle;
        protected readonly SubMenuStyle DynamicMenuStyle;
        public readonly string ClientID;

        public readonly List<MenuItem> Items = new List<MenuItem>();

        private readonly Action<HtmlTextWriter, MenuItem, int> renderDynamicItem;

        public readonly bool IsRightToLeft;

        public BaseMenu(string clientId, bool isRightToLeft, Action<HtmlTextWriter, MenuItem, int> renderDynamicItem, SubMenuStyle dynamicMenuStyle, Style dynamicMenuItemStyle, Style dynamicHoverStyle)
        {
            IsRightToLeft = isRightToLeft;
            this.renderDynamicItem = renderDynamicItem;
            DynamicMenuItemStyle = dynamicMenuItemStyle;
            DynamicHoverStyle = dynamicHoverStyle;
            DynamicMenuStyle = dynamicMenuStyle;
            ClientID = clientId;
        }

        protected void RenderDropDownMenu(HtmlTextWriter writer, MenuItemCollection items, string submenuClientId)
        {
            writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "none");
            writer.AddStyleAttribute(HtmlTextWriterStyle.Position, "absolute");
            DynamicMenuStyle.AddAttributesToRender(writer);
            writer.AddAttribute(HtmlTextWriterAttribute.Cellspacing, "0");
            writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding, "0");
            writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
            writer.AddAttribute(HtmlTextWriterAttribute.Id, submenuClientId);
            writer.RenderBeginTag(HtmlTextWriterTag.Table);