public AjaxEventTriplet(string name, ComponentAjaxEvent ajaxEvent, ClientConfigAttribute attribute, PropertyInfo propertyInfo)
{
this.name = name;
this.ajaxEvent = ajaxEvent;
this.attribute = attribute;
this.propertyInfo = propertyInfo;
}
internal void FireAsyncEvent(string eventName, ParameterCollection extraParams)
{
ComponentAjaxEvents ajaxevents = this.GetAjaxEvents();
if (ajaxevents == null)
{
throw new HttpException("The control has no AjaxEvents");
}
PropertyInfo eventListenerInfo = ajaxevents.GetType().GetProperty(eventName);
if (eventListenerInfo.PropertyType != typeof(ComponentAjaxEvent))
{
throw new HttpException(string.Format("The control '{1}' does not have an AjaxEvent with the name '{0}'", eventName, this.ClientID));
}
ComponentAjaxEvent ajaxevent = eventListenerInfo.GetValue(ajaxevents, null) as ComponentAjaxEvent;
if (ajaxevent == null || ajaxevent.IsDefault)
{
throw new HttpException(string.Format("The control '{1}' does not have an AjaxEvent with the name '{0}' or the handler is absent", eventName, this.ClientID));
}
AjaxEventArgs e = new AjaxEventArgs(extraParams);
ajaxevent.OnEvent(e);
}
public override void WriteJson(JsonWriter writer, object value)
{
if (value != null && value is ComponentAjaxEvent)
{
ComponentAjaxEvent ajaxEvent = (ComponentAjaxEvent)value;
writer.WriteRawValue(new ClientConfig().Serialize(ajaxEvent));
return;
}
writer.WriteRawValue("{}");
}
void Owner_Load(object sender, EventArgs e)
{
WebControl owner = (WebControl)sender;
foreach (AjaxEventTriplet ajaxEvent in this.AjaxEvents)
{
ComponentAjaxEvent ae = ajaxEvent.AjaxEvent;
ae.Owner = owner;
ae.ExtraParams.Owner = owner;
foreach (Parameter param in ae.ExtraParams)
{
param.Owner = owner;
}
}
}
private void InitEventsOwner()
{
PropertyInfo componentListeners = this.GetType().GetProperty(Observable.ListenersKey);
if (componentListeners != null)
{
ComponentListeners listeners = componentListeners.GetValue(this, null) as ComponentListeners;
List <ListenerTriplet> properties = listeners.Listeners;
foreach (ListenerTriplet property in properties)
{
ComponentListener listener = property.Listener;
if (listener != null)
{
listener.Owner = this;
}
}
}
PropertyInfo ajaxEvents = this.GetType().GetProperty(Observable.AjaxEventsKey);
if (ajaxEvents != null)
{
ComponentAjaxEvents events = ajaxEvents.GetValue(this, null) as ComponentAjaxEvents;
List <AjaxEventTriplet> properties = events.AjaxEvents;
foreach (AjaxEventTriplet property in properties)
{
ComponentAjaxEvent ajaxEvent = property.AjaxEvent;
if (ajaxEvent != null)
{
ajaxEvent.Owner = this;
ajaxEvent.ExtraParams.Owner = this;
foreach (Parameter param in ajaxEvent.ExtraParams)
{
param.Owner = this;
}
}
if (!ajaxEvent.IsDefault)
{
this.ForceIDRendering = true;
}
}
}
}
public override void LoadViewState(object state)
{
object[] states = state as object[];
if (states != null)
{
foreach (Pair pair in states)
{
string ajaxEventName = (string)pair.First;
object ajaxEventState = pair.Second;
if (ajaxEventName == "base")
{
base.LoadViewState(ajaxEventState);
}
else
{
PropertyInfo property = this.GetType().GetProperty(ajaxEventName);
if (property == null)
{
throw new InvalidOperationException(string.Format("Can't find the property '{0}'", ajaxEventName));
}
ComponentAjaxEvent componentAjaxEvent = (ComponentAjaxEvent)property.GetValue(this, null);
if (componentAjaxEvent != null)
{
componentAjaxEvent.LoadViewState(ajaxEventState);
}
}
}
}
else
{
base.LoadViewState(state);
}
}
