52 lines
2 KiB
C#
52 lines
2 KiB
C#
using System;
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using System.Collections.Generic;
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using Microsoft.AspNetCore.Mvc.Rendering;
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using Microsoft.Extensions.Localization;
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namespace Yavsc.Server.Helpers
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{
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public static class PageHelpers
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{
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public static List<SelectListItem> CreateSelectListItems<T> (this IStringLocalizer<T> localisation, Type enumType, object selectedValue =null)
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{
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string selectedName = (selectedValue != null) ? enumType.GetEnumName(selectedValue) : null;
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var items = new List<SelectListItem> ();
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var names = enumType.GetEnumNames();
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var values = enumType.GetEnumValues();
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for (int index = 0; index < names.Length; index++)
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{
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var itemName = names[index];
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items.Add(new SelectListItem() {
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Value = values.GetValue(index).ToString(), Text = localisation[itemName], Selected = ( itemName == selectedName)
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}) ;
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}
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var list = new SelectList(items);
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return items;
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}
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public static List<SelectListItem> AddNull(this List<SelectListItem> selectList, string displayNull, object selectedValue = null)
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{
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selectList.Add(new SelectListItem { Text = displayNull, Value = "", Selected = selectedValue == null });
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return selectList;
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}
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public static List<SelectListItem> CreateSelectListItems<T> (this IEnumerable<T>data,
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Func<T,string> dataField,
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Func<T,string> displayField = null, object selectedValue =null) where T : class
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{
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if (displayField == null) displayField = dataField;
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var items = new List<SelectListItem> ();
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foreach (var dataItem in data)
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{
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var itemVal = dataField(dataItem);
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var itemName = displayField(dataItem);
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items.Add(new SelectListItem() {
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Value = itemVal, Text = itemName, Selected = ( selectedValue?.Equals(itemVal) ?? false )
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}) ;
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}
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return items;
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}
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}
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}
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