예제 #1
0
        public void GetFormattedWeek_ReturnsExpectedFormattedValue(int year, int month, int day, string expectedOutput)
        {
            // Arrange
            var detailsProvider = new DefaultCompositeMetadataDetailsProvider(
                Enumerable.Empty <IMetadataDetailsProvider>());
            var key   = ModelMetadataIdentity.ForType(typeof(DateTime));
            var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0], null, null));

            var provider      = new EmptyModelMetadataProvider();
            var metadata      = new DefaultModelMetadata(provider, detailsProvider, cache);
            var model         = new DateTime(year, month, day);
            var modelExplorer = new ModelExplorer(provider, metadata, model);

            // Act
            var formattedValue = FormatWeekHelper.GetFormattedWeek(modelExplorer);

            // Assert
            Assert.Equal(expectedOutput, formattedValue);
        }
예제 #2
0
        public IHtmlContent Build()
        {
            if (_metadata.ConvertEmptyStringToNull && string.Empty.Equals(_model))
            {
                _model = null;
            }

            // Normally this shouldn't happen, unless someone writes their own custom Object templates which
            // don't check to make sure that the object hasn't already been displayed
            if (_viewData.TemplateInfo.Visited(_modelExplorer))
            {
                return(HtmlString.Empty);
            }

            // Create VDD of type object so any model type is allowed.
            var viewData = new ViewDataDictionary <object>(_viewData);

            // Create a new ModelExplorer in order to preserve the model metadata of the original _viewData even
            // though _model may have been reset to null. Otherwise we might lose track of the model type /property.
            viewData.ModelExplorer = _modelExplorer.GetExplorerForModel(_model);

            var formatString = _readOnly ?
                               viewData.ModelMetadata.DisplayFormatString :
                               viewData.ModelMetadata.EditFormatString;

            var formattedModelValue = _model;

            if (_model == null)
            {
                if (_readOnly)
                {
                    formattedModelValue = _metadata.NullDisplayText;
                }
            }
            else if (!string.IsNullOrEmpty(formatString))
            {
                formattedModelValue = string.Format(CultureInfo.CurrentCulture, formatString, _model);
            }
            else if ((string.Equals("week", _templateName, StringComparison.OrdinalIgnoreCase) ||
                      string.Equals("week", viewData.ModelMetadata.DataTypeName, StringComparison.OrdinalIgnoreCase)))
            {
                // "week" is a new HTML5 input type that only will be rendered in Rfc3339 mode
                formattedModelValue = FormatWeekHelper.GetFormattedWeek(_modelExplorer);
            }
            else if (viewData.ModelMetadata.IsEnum && _model is Enum modelEnum)
            {
                // Cover the case where the model is an enum and we want the string value of it
                var value       = modelEnum.ToString("d");
                var enumGrouped = viewData.ModelMetadata.EnumGroupedDisplayNamesAndValues;
                Debug.Assert(enumGrouped != null);
                foreach (var kvp in enumGrouped)
                {
                    if (kvp.Value == value)
                    {
                        // Creates a ModelExplorer with the same Metadata except that the Model is a string instead of an Enum
                        formattedModelValue = kvp.Key.Name;
                        break;
                    }
                }
            }

            viewData.TemplateInfo.FormattedModelValue = formattedModelValue;
            viewData.TemplateInfo.HtmlFieldPrefix     = _viewData.TemplateInfo.GetFullHtmlFieldName(_htmlFieldName);

            if (_additionalViewData != null)
            {
                foreach (var kvp in HtmlHelper.ObjectToDictionary(_additionalViewData))
                {
                    viewData[kvp.Key] = kvp.Value;
                }
            }

            var visitedObjectsKey = _model ?? _modelExplorer.ModelType;

            viewData.TemplateInfo.AddVisited(visitedObjectsKey);

            var templateRenderer = new TemplateRenderer(
                _viewEngine,
                _bufferScope,
                _viewContext,
                viewData,
                _templateName,
                _readOnly);

            return(templateRenderer.Render());
        }