kreta/Kreta.BusinessLogic/Utils/ComboboxHelperExtensions.cs

using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
using Kreta.BusinessLogic.Classes.ComboBox;
using Kreta.Framework.Caching;

namespace Kreta.BusinessLogic.Utils
{
    public static class ComboBoxHelperExtensions
    {
        public static List<ComboBoxListItem> ToComboBoxItemList(this IDictionary<string, string> dictionary, List<string> removeValueList = null, List<string> onlyValueList = null)
        {
            var itemList = removeValueList != null
                ? dictionary.Where(x => !removeValueList.Contains(x.Key))
                : dictionary;
            var itemList2 = onlyValueList != null
                ? itemList.Where(x => onlyValueList.Contains(x.Key))
                : itemList;
            var result = itemList2.Select(x => new ComboBoxListItem
            {
                Value = x.Key,
                Text = x.Value
            }).ToList();

            return result;
        }

        public static List<SelectListItem> ToSelectItemList(this IDictionary<string, string> dictionary, List<string> removeValueList = null, string selectedValuePart = null)
        {
            var itemList = removeValueList != null
                ? dictionary.Where(x => !removeValueList.Contains(x.Key))
                : dictionary;

            var result = itemList.Select(x => new SelectListItem
            {
                Value = x.Key,
                Text = x.Value,
                Selected = !string.IsNullOrWhiteSpace(selectedValuePart) && x.Value.ToLower().IndexOf("- " + selectedValuePart.ToLower()) > -1
            }).ToList();

            return result;
        }

        public static List<ComboBoxListItem> ToComboBoxItemList(this List<DictionaryItem> dictionaryList, List<int> removeValueList = null, List<int> onlyValueList = null)
        {
            var itemList = removeValueList != null ? dictionaryList.Where(x => !removeValueList.Contains(x.Id)) : dictionaryList;
            var itemList2 = onlyValueList != null ? itemList.Where(x => onlyValueList.Contains(x.Id)) : itemList;

            var result = itemList2.Select(x => new ComboBoxListItem
            {
                Value = x.Id.ToString(),
                Text = x.Name
            }).ToList();

            return result;
        }

        public static List<SelectListItem> ToSelectItemList(this List<DictionaryItem> dictionaryList, List<int> removeValueList = null, string selectedValuePart = null)
        {
            var itemList = removeValueList != null
                ? dictionaryList.Where(x => !removeValueList.Contains(x.Id))
                : dictionaryList;

            var result = itemList.Select(x => new SelectListItem
            {
                Value = x.Id.ToString(),
                Text = x.Name,
                Selected = !string.IsNullOrWhiteSpace(selectedValuePart) && x.Name.ToLower().IndexOf("- " + selectedValuePart.ToLower()) > -1
            }).ToList();

            return result;
        }
    }
}