/// <summary>
/// Initialises a new instance of <see cref="WidgetContext"/>.
/// </summary>
/// <param name="widgetDescriptor">The widget descriptor.</param>
/// <param name="values">The set of provided invocation values.</param>
/// <param name="viewContext">The view context.</param>
/// <param name="writer">The text writer.</param>
public WidgetContext(WidgetDescriptor widgetDescriptor, RouteValueDictionary values, ViewContext viewContext, TextWriter writer)
{
if (widgetDescriptor == null)
{
throw new ArgumentNullException(nameof(widgetDescriptor));
}
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
if (viewContext == null)
{
throw new ArgumentNullException(nameof(viewContext));
}
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
WidgetDescriptor = widgetDescriptor;
Values = values;
ViewContext = new ViewContext(
viewContext,
viewContext.View,
new ViewDataDictionary(viewContext.ViewData),
writer);
}
/// <summary>
/// Invokes a widget synchronously.
/// </summary>
/// <param name="writer">The target text writer.</param>
/// <param name="descriptor">The widget descriptor.</param>
/// <param name="values">The set of values to provide to the widget.</param>
private void InvokeCore(TextWriter writer, WidgetDescriptor descriptor, object values = null)
{
var context = new WidgetContext(descriptor, new RouteValueDictionary(values), _viewContext, writer);
var invoker = _invokerFactory.CreateInstance(context);
invoker.Invoke(context);
}
/// <summary>
/// Initialises a new instance of <see cref="WidgetContext"/>.
/// </summary>
/// <param name="widgetDescriptor">The widget descriptor.</param>
/// <param name="values">The set of provided invocation values.</param>
/// <param name="viewContext">The view context.</param>
/// <param name="writer">The text writer.</param>
public WidgetContext(WidgetDescriptor widgetDescriptor, RouteValueDictionary values, ViewContext viewContext, TextWriter writer)
{
if (widgetDescriptor == null)
{
throw new ArgumentNullException(nameof(widgetDescriptor));
}
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
if (viewContext == null)
{
throw new ArgumentNullException(nameof(viewContext));
}
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
WidgetDescriptor = widgetDescriptor;
Values = values;
ViewContext = new ViewContext(
viewContext,
viewContext.View,
new ViewDataDictionary(viewContext.ViewData),
writer);
}
/// <summary>
/// Creates a descriptor for the given widget type.
/// </summary>
/// <param name="typeInfo">The widget type.</param>
/// <returns>The widget descriptor.</returns>
private static WidgetDescriptor CreateDescriptor(TypeInfo typeInfo)
{
var descriptor = new WidgetDescriptor
{
FullName = WidgetConventions.GetWidgetFullName(typeInfo),
ShortName = WidgetConventions.GetWidgetName(typeInfo),
Type = typeInfo.AsType()
};
return descriptor;
}
/// <summary>
/// Creates a descriptor for the given widget type.
/// </summary>
/// <param name="typeInfo">The widget type.</param>
/// <returns>The widget descriptor.</returns>
private static WidgetDescriptor CreateDescriptor(TypeInfo typeInfo)
{
var descriptor = new WidgetDescriptor
{
FullName = WidgetConventions.GetWidgetFullName(typeInfo),
ShortName = WidgetConventions.GetWidgetName(typeInfo),
Type = typeInfo.AsType()
};
return(descriptor);
}
/// <summary>
/// Initialises a new instance of <see cref="WidgetContext"/>.
/// </summary>
public WidgetContext()
{
WidgetDescriptor = new WidgetDescriptor();
Values = new RouteValueDictionary();
ViewContext = new ViewContext();
}
/// <summary>
/// Invokes a widget synchronously.
/// </summary>
/// <param name="writer">The target text writer.</param>
/// <param name="descriptor">The widget descriptor.</param>
/// <param name="values">The set of values to provide to the widget.</param>
private void InvokeCore(TextWriter writer, WidgetDescriptor descriptor, object values = null)
{
var context = new WidgetContext(descriptor, new RouteValueDictionary(values), _viewContext, writer);
var invoker = _invokerFactory.CreateInstance(context);
invoker.Invoke(context);
}
/// <summary>
/// Initialises a new instance of <see cref="WidgetContext"/>.
/// </summary>
public WidgetContext()
{
WidgetDescriptor = new WidgetDescriptor();
Values = new RouteValueDictionary();
ViewContext = new ViewContext();
}