private void FillNavTargets(Type taskType, IList iPointInfWrappers,
InteractionPointInfoCollection ipInfos)
{
AdjacentPointsAttribute[] adjPointAttributes = taskType.GetCustomAttributes(
typeof(AdjacentPointsAttribute), false) as AdjacentPointsAttribute[];
foreach (InteractionPointInfoWrapper ipWrapper in iPointInfWrappers)
{
InteractionPointInfo iPointInf = ipWrapper.iPointInf;
foreach (string targetName in ipWrapper.ipInfAttribute.NavTargets)
{
iPointInf.NavTargets[targetName] = ipInfos[targetName];
}
foreach (NavTargetAttribute trgAttr in ipWrapper.navTargAttributes)
{
iPointInf.NavTargets[trgAttr.TriggerName] = ipInfos[trgAttr.ViewName];
}
foreach (AdjacentPointsAttribute containingAdjPointAttr in
GetContainingAdjPointAttrs(iPointInf.ViewName, adjPointAttributes))
{
foreach (string adjPointName in containingAdjPointAttr.AdjacentViewNames)
{
if (adjPointName != iPointInf.ViewName)
{
iPointInf.NavTargets[adjPointName] = ipInfos[adjPointName];
}
}
}
}
}
private IList CreateIPointInfos(Type taskType, InteractionPointInfoCollection iPointInfos)
{
FieldInfo[] fields = taskType.GetFields(BindingFlags.Public | BindingFlags.Static);
List <InteractionPointInfoWrapper> iPointInfWrappers = new List <InteractionPointInfoWrapper>();
foreach (FieldInfo field in fields)
{
if (field.IsLiteral && field.FieldType == typeof(string))
{
InteractionPointAttribute[] ipAttributes = field.GetCustomAttributes(
typeof(InteractionPointAttribute), false) as InteractionPointAttribute[];
if (ipAttributes.Length > 0)
{
string viewName = field.GetValue(null) as string;
NavTargetAttribute[] navTargAttributes = field.GetCustomAttributes(
typeof(NavTargetAttribute), false) as NavTargetAttribute[];
InteractionPointInfo iPointInf = CreateInteractionPointInfo(
viewName, ipAttributes[0]);
iPointInfos[viewName] = iPointInf;
iPointInfWrappers.Add(new InteractionPointInfoWrapper(iPointInf,
ipAttributes[0], navTargAttributes));
}
}
}
return(iPointInfWrappers);
}
private void FillNavTargets(InteractionPointInfoWrapper iPointInfWrapper,
InteractionPointInfoCollection iPointInfos)
{
foreach (XmlElement navTargetElmt in iPointInfWrapper.iPointElmt.SelectNodes("navTarget"))
{
string triggerName = navTargetElmt.GetAttribute("trigger");
InteractionPointInfo target = iPointInfos[navTargetElmt.GetAttribute("view")];
if (triggerName == string.Empty)
{
triggerName = target.ViewName;
}
iPointInfWrapper.iPointInf.NavTargets[triggerName] = target;
}
string quotedViewName = "\"" + iPointInfWrapper.iPointInf.ViewName + "\"";
XmlNodeList adjacentPointElmts = iPointInfWrapper.iPointElmt.SelectNodes(
"/*/adjacentPoints[iPointRef/@view | interactionPointRef/@view = "
+ quotedViewName + "]/*[self::iPointRef or self::interactionPointRef][@view!="
+ quotedViewName + "]");
foreach (XmlElement adjacentPointElmt in adjacentPointElmts)
{
string targetViewName = adjacentPointElmt.GetAttribute("view");
if ((iPointInfWrapper.iPointInf.NavTargets[targetViewName] != null) &&
(iPointInfWrapper.iPointInf.NavTargets[targetViewName].ViewName == targetViewName))
{
continue;
}
InteractionPointInfo target = iPointInfos[targetViewName];
string triggerName = target.ViewName;
iPointInfWrapper.iPointInf.NavTargets[targetViewName] = target;
}
}
public InteractionPointInfoWrapper(InteractionPointInfo iPointInf,
InteractionPointAttribute ipInfAttribute, NavTargetAttribute[] navTargAttributes)
{
this.iPointInf = iPointInf;
this.ipInfAttribute = ipInfAttribute;
this.navTargAttributes = navTargAttributes;
}
/// <summary>
/// Extracts task information from the specific <see cref="InteractionPointAttribute"/>
/// attribute instance. Can be overriden in subclasses to support custom
/// interaction point attributes for example.
/// </summary>
#endregion
protected virtual InteractionPointInfo CreateInteractionPointInfo(string viewName,
InteractionPointAttribute ipAttribute)
{
InteractionPointInfo result = new InteractionPointInfo();
result.ViewName = viewName;
result.ControllerType = ipAttribute.ControllerType;
result.IsCommonTarget = ipAttribute.IsCommonTarget;
return(result);
}
private InteractionPointInfoWrapper[] CreateInteractionPointInfos(Type taskType,
InteractionPointInfoCollection iPointInfos)
{
Assembly controllersDefaultAssembly = taskType.Assembly;
XmlNodeList iPntNodes = GetTaskRootElement(taskType).SelectNodes(
"interactionPoints/*[self::iPoint or self::interactionPoint]");
InteractionPointInfoWrapper[] iPointWrappers = new InteractionPointInfoWrapper[iPntNodes.Count];
for (int i = 0; i < iPntNodes.Count; i++)
{
InteractionPointInfo ipInfo = CreateInteractionPointInfo(iPntNodes[i] as XmlElement, controllersDefaultAssembly);
iPointInfos[ipInfo.ViewName] = ipInfo;
iPointWrappers[i] = new InteractionPointInfoWrapper(ipInfo, iPntNodes[i] as XmlElement);
}
return(iPointWrappers);
}
private InteractionPointInfo CreateInteractionPointInfo(XmlElement interactionPointElement,
Assembly controllersDefaultAssembly)
{
InteractionPointInfo result = new InteractionPointInfo();
result.ViewName = interactionPointElement.GetAttribute("view");
result.IsCommonTarget = interactionPointElement.GetAttribute("isCommonTarget") == "true";
string controllerTypeName = interactionPointElement.GetAttribute("controllerType");
if (controllerTypeName.IndexOf(',') < 0)
{
controllerTypeName = controllerTypeName + ", " + controllersDefaultAssembly.FullName;
}
result.ControllerType = Type.GetType(controllerTypeName);
return(result);
}
/// <summary>
/// Looks through the <see cref="TaskInfo.InteractionPoints"/> collection
/// to determine whether the navigation to the destination view
/// is possible.
/// </summary>
/// <param name="currViewName">The name of the current view.</param>
/// <param name="destViewName">The name of the destination view.</param>
/// <returns><c>True</c> if the navigation is possible, otherwise
/// <c>false</c>.</returns>
#endregion
public bool CanNavigateToView(string currViewName, string destViewName)
{
if ((InteractionPoints[destViewName] != null) &&
InteractionPoints[destViewName].IsCommonTarget)
{
return(true);
}
InteractionPointInfo currPoint = InteractionPoints[currViewName];
foreach (InteractionPointInfo targetPoint in currPoint.NavTargets)
{
if (targetPoint.ViewName == destViewName)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Looks through the <see cref="TaskInfo.InteractionPoints"/> collection
/// to retrieve the name of the next view, given the current view
/// name and the navigation trigger name.
/// </summary>
/// <param name="currViewName">The name of the current view.</param>
/// <param name="triggerName">The name of the navigation trigger (may be
/// equal to the target view name).</param>
/// <returns>The name of the next view or <c>null</c> if
/// not found.</returns>
#endregion
public string GetNextViewName(string currViewName, string triggerName)
{
InteractionPointInfo currPoint = InteractionPoints[currViewName];
InteractionPointInfo target = currPoint.NavTargets[triggerName];
if (target == null)
{
InteractionPointInfo possibleCommonTarget = iPoints[triggerName];
if ((possibleCommonTarget != null) && possibleCommonTarget.IsCommonTarget)
{
target = possibleCommonTarget;
}
}
if (target == null)
{
return(null);
}
return(target.ViewName);
}
public InteractionPointInfoWrapper(InteractionPointInfo iPointInf, XmlElement iPointElmt)
{
this.iPointElmt = iPointElmt;
this.iPointInf = iPointInf;
}