コード例 #1
0
ファイル: SelectListItemTree.cs プロジェクト: fdsa-ltd/DMS
        private static string CreateOption(SelectListItemTree item, int level, string indentation)
        {
            StringBuilder htmlBuilder = new StringBuilder();
            TagBuilder    option      = new TagBuilder("option");

            option.InnerHtml = GetIndentation(level, indentation) + System.Web.HttpUtility.HtmlEncode(item.Text);
            if (item.Value != null)
            {
                option.Attributes["Value"] = item.Value;
            }
            if (item.Selected)
            {
                option.Attributes["selected"] = "selected";
            }
            htmlBuilder.AppendLine(option.ToString());
            if (item.Items != null)
            {
                ++level;
                foreach (var i in item.Items)
                {
                    htmlBuilder.AppendLine(CreateOption(i, level, indentation));
                }
            }


            return(htmlBuilder.ToString());
        }
コード例 #2
0
ファイル: SelectListItemTree.cs プロジェクト: fdsa-ltd/DMS
        public static IHtmlString DropDownListTree(this HtmlHelper htmlHelper, string name, IEnumerable <SelectListItemTree> selectListItemTree, IDictionary <string, object> htmlAttributes, bool allowMutiple, string optionLabel, string indentation)
        {
            ModelState state;

            name = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(name);
            if (string.IsNullOrEmpty(name))
            {
                throw new ArgumentException("NULL", "name");
            }
            int        level         = 0;
            TagBuilder selectBuilder = new TagBuilder("select");

            StringBuilder optionBuilder = new StringBuilder();

            //var blankOption = new TagBuilder("option");

            //optionBuilder.AppendLine(blankOption.ToString());
            if (optionLabel != null)
            {
                SelectListItemTree item = new SelectListItemTree();
                item.Text  = optionLabel;
                item.Value = string.Empty;
                optionBuilder.AppendLine(CreateOption(item, level, indentation));
            }

            foreach (var item in selectListItemTree)
            {
                optionBuilder.AppendLine(CreateOption(item, level, indentation));
            }

            selectBuilder.InnerHtml = optionBuilder.ToString();
            selectBuilder.MergeAttributes <string, object>(htmlAttributes);
            selectBuilder.MergeAttribute("name", name, true);
            selectBuilder.GenerateId(name);
            if (allowMutiple)
            {
                selectBuilder.MergeAttribute("mutiple", "mutiple");
            }
            if (htmlHelper.ViewData.ModelState.TryGetValue(name, out state) && (state.Errors.Count > 0))
            {
                selectBuilder.AddCssClass(HtmlHelper.ValidationInputCssClassName);
            }
            return(new HtmlString(selectBuilder.ToString()));
        }