// Gets all subProperties that exist
private static List <ModelProperty> GetAllSubProperties(ModelItem item)
{
if (item == null)
{
return(null);
}
ModelPropertyCollection subModelProperties = item.Properties;
if (subModelProperties == null)
{
return(null);
}
List <ModelProperty> subProperties = null;
// We want to expose all properties through the model regardless of whether they
// are browsable or not. That distinction should be made by the UI utilizing it
foreach (ModelProperty subModelProperty in subModelProperties)
{
if (subProperties == null)
{
subProperties = new List <ModelProperty>();
}
subProperties.Add(subModelProperty);
}
return(subProperties);
}
/// <summary>
/// Sets the value of a property with in a model properties collection, if the property doesn't exist no action is taken.
/// </summary>
/// <param name="properties">The model property collection.</param>
/// <param name="propertyName">Name of the property to set.</param>
/// <param name="value">The value to set.</param>
public static void SetValue(this ModelPropertyCollection properties, string propertyName, object value)
{
ModelProperty mp = properties.Find(propertyName);
if (mp != null)
{
mp.SetValue(value);
}
}
private async Task BindModelCoreAsync(ModelBindingContext bindingContext)
{
ModelPropertyCollection propertiesRuntime = new ModelPropertyCollection(new List <ModelMetadata>());
//Type Definition
if (Int32.TryParse(bindingContext.FieldName, out int index))
{
var stackField = typeof(DefaultModelBindingContext).GetField("_stack", BindingFlags.Instance | BindingFlags.NonPublic);
dynamic stack = stackField.GetValue(bindingContext);
dynamic collectionModel = null;
foreach (var stackItem in stack)
{
var prop = stackItem.GetType().GetField("_Model", BindingFlags.Instance | BindingFlags.NonPublic);
FieldInfo[] fields = stackItem.GetType().DeclaredFields;
var field = fields.Where(f => f.Name == "Model").First();
collectionModel = field.GetValue(stackItem);
}
if (index < collectionModel.Length)
{
var model = collectionModel[index];
bindingContext.Model = model;
propertiesRuntime = ((DynamicFormsModelMetadata)bindingContext.ModelMetadata).Contextualize(model);
}
}
else
{
propertiesRuntime = ((DynamicFormsModelMetadata)_modelBinderProviderContext.Metadata).Contextualize(bindingContext.Model);
}
//New Instance if required
if (bindingContext.Model == null)
{
bindingContext.Model = await CreateModelAsync(bindingContext);
propertiesRuntime = ((DynamicFormsModelMetadata)bindingContext.ModelMetadata).Contextualize(bindingContext.Model);
}
var propertyBinders = new Dictionary <ModelMetadata, IModelBinder>();
//https://github.com/aspnet/AspNetCore/blob/c565386a3ed135560bc2e9017aa54a950b4e35dd/src/Mvc/Mvc.Core/src/ModelBinding/Binders/ComplexTypeModelBinderProvider.cs
for (var i = 0; i < propertiesRuntime.Count; i++)
{
var property = propertiesRuntime[i];
((DynamicFormsModelMetadata)property).NormalHashing = true;
propertyBinders.Add(property, _modelBinderProviderContext.CreateBinder(property));
((DynamicFormsModelMetadata)property).NormalHashing = false;
}
((DynamicFormsModelMetadata)_modelBinderProviderContext.Metadata).NormalHashing = false;
var complexModelBinder = new CustomComplexTypeModelBinder(propertyBinders);
await complexModelBinder.BindModelAsync(bindingContext);
}
public Enumerator(
ModelPropertyCollection properties,
string key,
object model)
{
_properties = properties;
_key = key;
_model = model;
_index = -1;
}
internal ActionExecutionModelMetadata(
IModelMetadataProvider modelMetadataProvider,
ICompositeMetadataDetailsProvider detailsProvider,
ActionExecutionModel model)
: base(modelMetadataProvider, detailsProvider, CreateMetadataDetails(model))
{
this.model = model;
this.modelMetadataProvider = modelMetadataProvider;
this.detailsProvider = detailsProvider;
this.properties = new ModelPropertyCollection(CreatePropertiesMetadata());
}
// we have two versions of this. This one is from the metadata only
public static string GetKeyProperty(ModelPropertyCollection properties)
{
string keyProperty = null;
foreach (var p in properties)
{
// test for key
var keyAttribute = Utility.GetAttribute <KeyAttribute>(p);
if (keyAttribute != null)
{
keyProperty = p.Name;
}
}
// if we do not have a key search for a property called Id
if (string.IsNullOrWhiteSpace(keyProperty))
{
keyProperty = properties.Where(p => p.Name.ToLower() == "id").FirstOrDefault()?.Name;
}
return(keyProperty);
}
public override void Process(TagHelperContext context, TagHelperOutput output)
{
output.TagName = null;
if (For == null)
{
return;
}
TagBuilder headerRow = new TagBuilder("tr");
TagBuilder tbody = new TagBuilder("tbody");
if (IsCollection)
{
ModelPropertyCollection propertyMetadata = For.Metadata.ElementMetadata.Properties;
foreach (string propertyName in Properties ?? propertyMetadata.Select(property => property.Name))
{
string sentenceCasePropertyName = ToSentenceCase(propertyName);
TagBuilder header = new TagBuilder("th");
header.Attributes["scope"] = "col";
header.InnerHtml.SetContent(sentenceCasePropertyName);
headerRow.InnerHtml.AppendHtml(header);
}
foreach (object item in (IEnumerable)For.Model)
{
TagBuilder row = new TagBuilder("tr");
foreach (ModelMetadata property in propertyMetadata)
{
object propertyValue = property.PropertyGetter(item);
string propertyString;
switch (propertyValue)
{
case string value:
propertyString = value;
break;
case IEnumerable <object> enumerable:
propertyString = string.Join(", ", enumerable);
break;
default:
propertyString = propertyValue?.ToString();
break;
}
row.InnerHtml.AppendHtml($"<td>{propertyString}</td>");
}
tbody.InnerHtml.AppendHtml(row);
}
}
else
{
foreach (ModelMetadata property in For.Metadata.Properties)
{
string sentenceCasePropertyName = ToSentenceCase(property.Name);
TagBuilder header = new TagBuilder("th");
header.Attributes["scope"] = "row";
header.InnerHtml.SetContent(sentenceCasePropertyName);
TagBuilder row = new TagBuilder("tr");
row.InnerHtml.AppendHtml(header);
row.InnerHtml.AppendHtml($"<td>{property.PropertyGetter(For.Model)}</td>");
tbody.InnerHtml.AppendHtml(row);
}
foreach (string header in new[] { "Property", "Value" })
{
TagBuilder th = new TagBuilder("th");
th.Attributes["scope"] = "col";
th.InnerHtml.SetContent(header);
headerRow.InnerHtml.AppendHtml(th);
}
}
TagBuilder thead = new TagBuilder("thead");
thead.AddCssClass("thead-dark");
thead.InnerHtml.AppendHtml(headerRow);
TagBuilder table = new TagBuilder("table");
table.AddCssClass("table");
table.InnerHtml.AppendHtml(thead);
table.InnerHtml.AppendHtml(tbody);
output.PostContent.SetHtmlContent(table);
}