public void Release(WidgetViewContext context, object viewComponent)
{
if (viewComponent is IDisposable disposable)
{
disposable.Dispose();
}
}
private async Task InvokeCoreAsync(WidgetViewContext context)
{
var executeMethod = context.ComponentDescriptor.MethodInfo;
var methodReturnType = executeMethod.ReturnType;
var instance = _widgetComponentActivator.Create(context) as WidgetComponent;
instance.WidgetViewContext = context;
IWidgetComponentViewResult result = null;
if (methodReturnType == typeof(Task <IWidgetComponentViewResult>))
{
result = await MethodExecute <Task <IWidgetComponentViewResult> >(executeMethod, instance, null);
}
else if (methodReturnType == typeof(Task <string>))
{
result = new ContentWidgetViewResult(await MethodExecute <Task <string> >(executeMethod, instance, null));
}
else if (methodReturnType == typeof(IWidgetComponentViewResult))
{
result = MethodExecute <IWidgetComponentViewResult>(executeMethod, instance, null);
}
else
{
throw new Exception("Unsupport.");
}
await result.ExecuteAsync(context);
}
public Task ExecuteAsync(WidgetViewContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
context.HtmlEncoder.Encode(context.Writer, Content);
return(Task.CompletedTask);
}
public object Create(WidgetViewContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var componentType = context.ComponentDescriptor.TypeInfo;
if (componentType == null)
{
throw new ArgumentNullException(nameof(context.ComponentDescriptor.TypeInfo));
}
var viewComponent = _typeActivatorCache.CreateInstance <object>(
context.ViewContext.HttpContext.RequestServices,
context.ComponentDescriptor.TypeInfo.AsType());
return(viewComponent);
}
public async Task InvokeAsync(WidgetViewContext context)
{
await InvokeCoreAsync(context);
}