src/Tizen.NUI/src/internal/Xaml/MarkupExtensions/ArrayExtension.cs

   1 using System;
   2 using System.Collections;
   3 using System.Collections.Generic;
   4 using Tizen.NUI.Binding;
   5
   6 namespace Tizen.NUI.Xaml
   7 {
   8         [ContentProperty("Items")]
   9         [AcceptEmptyServiceProvider]
  10         internal class ArrayExtension : IMarkupExtension<Array>
  11         {
  12                 public ArrayExtension()
  13                 {
  14                         Items = new List<object>();
  15                 }
  16
  17                 public IList Items { get; }
  18
  19                 public Type Type { get; set; }
  20
  21                 public Array ProvideValue(IServiceProvider serviceProvider)
  22                 {
  23                         if (Type == null)
  24                                 throw new InvalidOperationException("Type argument mandatory for x:Array extension");
  25
  26                         if (Items == null)
  27                                 return null;
  28
  29                         var array = Array.CreateInstance(Type, Items.Count);
  30                         for (var i = 0; i < Items.Count; i++)
  31                                 ((IList)array)[i] = Items[i];
  32
  33                         return array;
  34                 }
  35
  36                 object IMarkupExtension.ProvideValue(IServiceProvider serviceProvider)
  37                 {
  38                         return (this as IMarkupExtension<Array>).ProvideValue(serviceProvider);
  39                 }
  40         }
  41 }