object IConfigurationSectionHandler.Create(Object parent, Object configContext, XmlNode section)
{
StateInfoCollection<Dialog> dialogs = new StateInfoCollection<Dialog>();
Dialog dialog;
int dialogIndex = 0;
XmlNode dialogNode;
int i;
string dialogInitial;
#if NET40Plus
string resourceType, resourceKey;
#endif
for (i = 0; i < section.ChildNodes.Count; i++)
{
dialog = new Dialog();
dialogNode = section.ChildNodes[i];
if (dialogNode.NodeType != XmlNodeType.Comment)
{
if (dialogNode.Attributes["initial"] == null || dialogNode.Attributes["initial"].Value.Length == 0)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.DialogAttributeMissing, "initial"));
dialogInitial = dialogNode.Attributes["initial"].Value;
dialog.Index = dialogIndex;
dialogIndex++;
if (dialogNode.Attributes["key"] == null || dialogNode.Attributes["key"].Value.Length == 0)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.DialogAttributeMissing, "key"));
dialog.Key = dialogNode.Attributes["key"].Value;
dialog.Title = dialogNode.Attributes["title"] != null ? dialogNode.Attributes["title"].Value : string.Empty;
#if NET40Plus
resourceType = dialogNode.Attributes["resourceType"] != null ? dialogNode.Attributes["resourceType"].Value : "StateInfo";
resourceKey = dialogNode.Attributes["resourceKey"] != null ? dialogNode.Attributes["resourceKey"].Value : string.Empty;
if (resourceKey.Length != 0)
dialog.TitleFunc = () => (string)HttpContext.GetGlobalResourceObject(resourceType, resourceKey, Thread.CurrentThread.CurrentUICulture);
#else
dialog.ResourceType = dialogNode.Attributes["resourceType"] != null ? dialogNode.Attributes["resourceType"].Value : "StateInfo";
dialog.ResourceKey = dialogNode.Attributes["resourceKey"] != null ? dialogNode.Attributes["resourceKey"].Value : string.Empty;
#endif
dialog.Attributes = new StateInfoCollection<string>();
foreach (XmlAttribute attribute in dialogNode.Attributes)
dialog.Attributes[attribute.Name] = attribute.Value;
if (dialogs[dialogNode.Attributes["key"].Value] != null)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.DuplicateDialogKey, dialogNode.Attributes["key"].Value));
dialogs.Add(dialogNode.Attributes["key"].Value, dialog);
ProcessStates(dialog, dialogNode);
ProcessTransitions(dialog, dialogNode);
dialog.Initial = dialog.States[dialogInitial];
if (dialog.Initial == null)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.InvalidDialogInitialKey, dialog.Key, dialogInitial));
}
}
return dialogs;
}
private static void ProcessStates(Dialog dialog, XmlNode dialogNode)
{
State state;
int stateIndex = 0;
XmlNode dialogChildNode;
string[] derived;
int i;
bool result;
#if NET40Plus
string resourceType, resourceKey;
#endif
for (i = 0; i < dialogNode.ChildNodes.Count; i++)
{
state = new State();
dialogChildNode = dialogNode.ChildNodes[i];
if (dialogChildNode.NodeType != XmlNodeType.Comment)
{
if (dialogChildNode.Name == "state")
{
state.Parent = dialog;
state.Index = stateIndex;
stateIndex++;
if (dialogChildNode.Attributes["key"] == null || dialogChildNode.Attributes["key"].Value.Length == 0)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.StateAttributeMissing, "key"));
state.Key = dialogChildNode.Attributes["key"].Value;
state.Title = dialogChildNode.Attributes["title"] != null ? dialogChildNode.Attributes["title"].Value : string.Empty;
#if NET40Plus
resourceType = dialogChildNode.Attributes["resourceType"] != null ? dialogChildNode.Attributes["resourceType"].Value : "StateInfo";
resourceKey = dialogChildNode.Attributes["resourceKey"] != null ? dialogChildNode.Attributes["resourceKey"].Value : string.Empty;
if (resourceKey.Length != 0)
state.TitleFunc = () => (string)HttpContext.GetGlobalResourceObject(resourceType, resourceKey, Thread.CurrentThread.CurrentUICulture);
#else
state.ResourceType = dialogChildNode.Attributes["resourceType"] != null ? dialogChildNode.Attributes["resourceType"].Value : "StateInfo";
state.ResourceKey = dialogChildNode.Attributes["resourceKey"] != null ? dialogChildNode.Attributes["resourceKey"].Value : string.Empty;
#endif
#if NET40Plus
state.Route = dialogChildNode.Attributes["route"] != null ? dialogChildNode.Attributes["route"].Value : string.Empty;
#endif
state.DefaultTypes = new StateInfoCollection<Type>();
if (dialogChildNode.Attributes["defaultTypes"] != null)
{
if (!TryParseDefaultTypes(dialogChildNode.Attributes["defaultTypes"].Value, state))
{
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.StateAttributeInvalid, state.Key, "defaultTypes"));
}
}
state.Defaults = new StateInfoCollection<object>();
state.FormattedDefaults = new StateInfoCollection<string>();
if (dialogChildNode.Attributes["defaults"] != null)
{
try
{
NavigationData navigationData = StateInfoConfig.ParseNavigationDataExpression(dialogChildNode.Attributes["defaults"].Value, state, false);
foreach (NavigationDataItem item in navigationData)
{
state.Defaults[item.Key] = item.Value;
state.FormattedDefaults[item.Key] = CrumbTrailManager.FormatURLObject(item.Key, item.Value, state);
}
}
catch (InvalidCastException ice)
{
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.StateAttributeInvalid, state.Key, "defaults"), ice);
}
catch (FormatException fe)
{
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.StateAttributeInvalid, state.Key, "defaults"), fe);
}
catch (OverflowException oe)
{
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.StateAttributeInvalid, state.Key, "defaults"), oe);
}
}
derived = new string[] { };
state.DerivedInternal = new Dictionary<string, string>();
if (dialogChildNode.Attributes["derived"] != null)
{
derived = Regex.Split(dialogChildNode.Attributes["derived"].Value, ",");
for (int j = 0; j < derived.Length; j++)
{
derived[j] = derived[j].Trim();
state.DerivedInternal.Add(derived[j], derived[j]);
}
}
state.Derived = new ReadOnlyCollection<string>(derived);
state.TrackCrumbTrail = true;
if (dialogChildNode.Attributes["trackCrumbTrail"] != null)
{
if (bool.TryParse(dialogChildNode.Attributes["trackCrumbTrail"].Value, out result))
state.TrackCrumbTrail = result;
else
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.StateAttributeInvalid, state.Key, "trackCrumbTrail"));
}
if (dialog.States[dialogChildNode.Attributes["key"].Value] != null)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.DuplicateStateKey, dialogChildNode.Attributes["key"].Value, dialog.Key));
state.Attributes = new StateInfoCollection<string>();
foreach (XmlAttribute attribute in dialogChildNode.Attributes)
state.Attributes[attribute.Name] = attribute.Value;
dialog.States[dialogChildNode.Attributes["key"].Value] = state;
}
}
}
}
private static void ProcessTransitions(Dialog dialog, XmlNode dialogNode)
{
State state;
Transition transition;
int transitionIndex = 0;
XmlNode dialogChildNode, transitionNode;
int i, j;
for (i = 0; i < dialogNode.ChildNodes.Count; i++)
{
dialogChildNode = dialogNode.ChildNodes[i];
if (dialogChildNode.NodeType != XmlNodeType.Comment)
{
if (dialogChildNode.Name == "state")
{
state = dialog.States[dialogChildNode.Attributes["key"].Value];
transitionIndex = 0;
for (j = 0; j < dialogChildNode.ChildNodes.Count; j++)
{
transitionNode = dialogChildNode.ChildNodes[j];
if (transitionNode.NodeType != XmlNodeType.Comment)
{
transition = new Transition();
transition.Parent = state;
transition.Index = transitionIndex;
transitionIndex++;
if (transitionNode.Attributes["key"] == null || transitionNode.Attributes["key"].Value.Length == 0)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.TransitionAttributeMissing, "key"));
transition.Key = transitionNode.Attributes["key"].Value;
if (transitionNode.Attributes["to"] == null || transitionNode.Attributes["to"].Value.Length == 0)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.TransitionAttributeMissing, "to"));
transition.To = dialog.States[transitionNode.Attributes["to"].Value];
if (transition.To == null)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.InvalidTransitionToKey, state.Key, transitionNode.Attributes["to"].Value));
if (state.Transitions[transitionNode.Attributes["key"].Value] != null)
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, Resources.DuplicateTransitionKey, transitionNode.Attributes["key"].Value, state.Key));
state.Transitions[transitionNode.Attributes["key"].Value] = transition;
}
}
}
}
}
}
private static Dictionary<int, HashSet<int>> CalculateDepths(Dialog dialog, List<TransitionElement> transEls)
{
var depths = new Dictionary<int, HashSet<int>>();
var trans = from s in dialog.States
from t in s.Transitions
orderby Math.Abs(t.To.Index - t.Parent.Index)
select new TransitionElement(t);
foreach (var transitionElement in trans)
{
transEls.Add(transitionElement);
CalculateDepth(depths, transitionElement);
}
return depths;
}
