/// <summary>
/// Activates a specific view.
/// </summary>
/// <param name="previousView">The view actually displayed.</param>
/// <param name="taskId">An existing task identifier (a GUID associated with the task).</param>
/// <param name="navGraph">A configured navigation graph name.</param>
/// <param name="view">The name of the view to be displayed.</param>
public virtual void ActivateView(string previousView, Guid taskId, string navGraph, string view)
{
// create a session moniker
var sessionMoniker = new SessionMoniker(navGraph, view, taskId);
// store the moniker into the session, so the next view can get the task information
sessionMoniker.StoreInSession();
Int32 nQuerySign = view.LastIndexOf('?');
String queryParams = (nQuerySign == -1) ? "" : view.Substring(nQuerySign, view.Length - nQuerySign);
ViewSettings viewSettings = UIPConfiguration.Config.GetViewSettingsFromName(view);
if (viewSettings == null)
throw new Exception(string.Format("ExceptionViewConfigNotFound: {0}.", view));
HttpContext.Current.Session[WebFormView.CurrentTaskKey] = taskId.ToString();
redirectToNextView(previousView, viewSettings, queryParams);
}
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
_sessionMoniker = GetSessionMoniker();
Navigator navigator = GetNavigator(_sessionMoniker.NavGraphName, _sessionMoniker.TaskId);
if (viewSettings != null
&& viewSettings.AppTransactionStartConfigured
&& !IsPostBack)
{
navigator.CurrentState.Clear();
}
_controller = navigator.GetController(this, string.Empty);
if (_controller == null)
return;
Load += _controller.OnLoadView;
PreRender += _controller.OnPreRenderView;
Unload += _controller.OnUnloadView;
}
public void StartTask()
{
SetState(CreateState());
//CurrentState.CurrentView = _startView.Name;
CurrentState.Save();
SessionMoniker sessionMoniker = new SessionMoniker(string.Empty, CurrentState.CurrentView, CurrentState.TaskId);
sessionMoniker.StoreInSession();
HttpContext.Current.Session[WebFormView.CurrentTaskKey] = CurrentState.TaskId.ToString();
}
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
_sessionMoniker = GetSessionMoniker();
_navigator = GetNavigator(_sessionMoniker.NavGraphName, _sessionMoniker.TaskId);
}