BaconographyWP8.View.LinkedPictureView.OnNavigatedTo C# (CSharp) Method

		protected override void OnNavigatedTo(NavigationEventArgs e)
		{
			if (this.State != null && this.State.ContainsKey("PictureViewModelData"))
			{
				_pictureData = this.State["PictureViewModelData"] as string;
				if (_pictureData != null)
				{
                    var deserializedObject = JsonConvert.DeserializeObject<Tuple<string, IEnumerable<Tuple<string, string>>, string>>(_pictureData);
                    if (deserializedObject != null)
                    {
                        _pictureViewModel = new LinkedPictureViewModel 
                        { 
                            LinkTitle = deserializedObject.Item1.Replace("&amp;", "&").Replace("&lt;", "<").Replace("&gt;", ">").Replace("&quot;", "\"").Replace("&apos;", "'").Trim(),
                            LinkId = deserializedObject.Item3,
                            Pictures = deserializedObject.Item2.Select(tpl => new LinkedPictureViewModel.LinkedPicture 
                            { 
                                Title = tpl.Item1.Replace("&amp;", "&").Replace("&lt;", "<").Replace("&gt;", ">").Replace("&quot;", "\"").Replace("&apos;", "'").Trim(), 
                                ImageSource = tpl.Item2, Url = tpl.Item2 
                            }) 
                        };
                    }
				}
			}
			else if (this.NavigationContext.QueryString["data"] != null)
			{
				var unescapedData = HttpUtility.UrlDecode(this.NavigationContext.QueryString["data"]);
                var deserializedObject = JsonConvert.DeserializeObject<Tuple<string, IEnumerable<Tuple<string, string>>, string>>(unescapedData);
				if (deserializedObject != null)
				{
                    _pictureViewModel = new LinkedPictureViewModel 
                    { 
                        LinkTitle = deserializedObject.Item1.Replace("&amp;", "&").Replace("&lt;", "<").Replace("&gt;", ">").Replace("&quot;", "\"").Replace("&apos;", "'").Trim(), 
                        LinkId = deserializedObject.Item3,
                        Pictures = deserializedObject.Item2.Select(tpl => new LinkedPictureViewModel.LinkedPicture 
                        { 
                            Title = tpl.Item1.Replace("&amp;", "&").Replace("&lt;", "<").Replace("&gt;", ">").Replace("&quot;", "\"").Replace("&apos;", "'").Trim(), 
                            ImageSource = tpl.Item2, Url = tpl.Item2 
                        }) 
                    };
					_pictureData = unescapedData;
				}
			}
			if (DataContext == null || e == null)
            {
				DataContext = _pictureViewModel;
            }

            
            _viewModelContextService.PushViewModelContext(DataContext as ViewModelBase);
            _smartOfflineService.NavigatedToView(typeof(LinkedPictureView), e == null ? true : e.NavigationMode == NavigationMode.New);
		}