/// <summary>
/// Looks up the next view based on the incoming graph, view, and navigation values.
/// </summary>
/// <param name="navigationGraphName">Name of the navigation graph that is being worked in.</param>
/// <param name="currentViewName">Name of the current view.</param>
/// <param name="navigateValue">Navigate value used to determine the next view to be navigated to from the current view.</param>
public virtual ViewSettings GetNextViewSettings(string navigationGraphName, string currentViewName, string navigateValue)
{
//Retrieve a navgraph class based on nav name
NavigationGraphSettings navigationGraph = GetNavigationGraphSettings(navigationGraphName);
ViewSettings nextView = null;
// Get the current view node settings
NodeSettings node = navigationGraph[currentViewName];
if (null == node)
{
throw new ConfigurationException(Resource.ResourceManager.FormatMessage(Resource.Exceptions.RES_ExceptionCouldNotGetNextViewType, navigationGraphName, currentViewName, navigateValue));
}
// Get the next view name from the navigateTo node
NavigateToSettings navigateTo = node[navigateValue];
if (null == navigateTo)
{
nextView = GetSharedTransitionView(navigationGraph, navigateValue);
}
else
{
nextView = GetViewSettingsFromName(navigateTo.View);
}
if (nextView == null)
{
throw new ConfigurationException(Resource.ResourceManager.FormatMessage(Resource.Exceptions.RES_ExceptionCouldNotGetNextViewType, navigationGraphName, currentViewName, navigateValue));
}
return(nextView);
}
private void LoadNavigationElements(XmlNode configNode)
{
foreach (XmlNode currentNode in configNode.SelectNodes(NodeNavigateTo))
{
NavigateToSettings navigateTo = new NavigateToSettings(currentNode);
_navigateToCollection.Add(navigateTo.NavigateValue, navigateTo);
}
}