/// <inheritdoc />
public IHtmlContent Label(string expression, string labelText, object htmlAttributes)
{
var modelExplorer = ExpressionMetadataProvider.FromStringExpression(expression, ViewData, MetadataProvider);
return(GenerateLabel(
modelExplorer,
expression,
labelText,
htmlAttributes));
}
/// <inheritdoc />
public IHtmlContent Display(
string expression,
string templateName,
string htmlFieldName,
object additionalViewData)
{
var metadata = ExpressionMetadataProvider.FromStringExpression(expression, ViewData, MetadataProvider);
return(GenerateDisplay(metadata,
htmlFieldName ?? ExpressionHelper.GetExpressionText(expression),
templateName,
additionalViewData));
}
/// <inheritdoc />
public IHtmlContent Editor(
string expression,
string templateName,
string htmlFieldName,
object additionalViewData)
{
var modelExplorer = ExpressionMetadataProvider.FromStringExpression(expression, ViewData, MetadataProvider);
return(GenerateEditor(
modelExplorer,
htmlFieldName ?? ExpressionHelper.GetExpressionText(expression),
templateName,
additionalViewData));
}
public void FromStringExpression_SetsContainerAsExpected()
{
// Arrange
var myModel = new TestModel {
SelectedCategory = new Category()
};
var provider = new EmptyModelMetadataProvider();
var viewData = new ViewDataDictionary <TestModel>(provider);
viewData["Object"] = myModel;
// Act
var metadata = ExpressionMetadataProvider.FromStringExpression("Object.SelectedCategory",
viewData,
provider);
// Assert
Assert.Same(myModel, metadata.Container.Model);
}
/// <inheritdoc />
public IHtmlContent TextArea(string expression, string value, int rows, int columns, object htmlAttributes)
{
var modelExplorer = ExpressionMetadataProvider.FromStringExpression(expression, ViewData, MetadataProvider);
if (value != null)
{
// As a special case we allow treating a string value as a model of arbitrary type.
// So pass through the string representation, even though the ModelMetadata might
// be for some other type.
//
// We do this because thought we're displaying something as a string, we want to have
// the right set of validation attributes.
modelExplorer = new ModelExplorer(
MetadataProvider,
modelExplorer.Container,
modelExplorer.Metadata,
value);
}
return(GenerateTextArea(modelExplorer, expression, rows, columns, htmlAttributes));
}
/// <inheritdoc />
public string DisplayText(string expression)
{
var modelExplorer = ExpressionMetadataProvider.FromStringExpression(expression, ViewData, MetadataProvider);
return(GenerateDisplayText(modelExplorer));
}