Hidistro.UI.ControlPanel.Utility/ProductCategoriesDropDownList.cs

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namespace Hidistro.UI.ControlPanel.Utility
{
    using Hidistro.ControlPanel.Commodities;
    using Hidistro.Core;
    using Hidistro.Entities.Commodities;
    using System;
    using System.Collections.Generic;
    using System.Globalization;
    using System.Runtime.CompilerServices;
    using System.Web.UI.WebControls;

    public class ProductCategoriesDropDownList : DropDownList
    {
        private bool isTopCategory = false;
        private bool m_AutoDataBind = false;
        private string m_NullToDisplay = "";
        private string strDepth = "　";

        public override void DataBind()
        {
            IList<CategoryInfo> mainCategories;
            this.Items.Clear();
            this.Items.Add(new ListItem(this.NullToDisplay, string.Empty));
            if (this.IsUnclassified)
            {
                //this.Items.Add(new ListItem("未分类商品", "0"));
            }
            if (this.IsTopCategory)
            {
                mainCategories = CatalogHelper.GetMainCategories();
                foreach (CategoryInfo info in mainCategories)
                {
                    this.Items.Add(new ListItem(Globals.HtmlDecode(info.Name), info.CategoryId.ToString()));
                }
            }
            else
            {
                mainCategories = CatalogHelper.GetSequenceCategories();
                for (int i = 0; i < mainCategories.Count; i++)
                {
                    this.Items.Add(new ListItem(this.FormatDepth(mainCategories[i].Depth, Globals.HtmlDecode(mainCategories[i].Name)), mainCategories[i].CategoryId.ToString(CultureInfo.InvariantCulture)));
                }
            }
        }

        private string FormatDepth(int depth, string categoryName)
        {
            for (int i = 1; i < depth; i++)
            {
                categoryName = this.strDepth + categoryName;
            }
            return categoryName;
        }

        protected override void OnLoad(EventArgs e)
        {
            if (!(!this.AutoDataBind || this.Page.IsPostBack))
            {
                this.DataBind();
            }