private void OnStepCompleted(NativeActivityContext context, ActivityInstance completedInstance)
{
int completedInstanceIndex = this.LastIndex.Get(context);
Step completedstep = completedInstance.Activity as Step;
if (completedstep.Skipped)
{
int current = completedInstanceIndex + 1;
Queue <int> currentposition = (Queue <int>)context.Properties.Find(Constants._CurrentPosition);
if (currentposition.Count > 0)
{
currentposition.Dequeue();
}
currentposition.Enqueue(current);
context.Properties.Update(Constants._CurrentPosition, currentposition);
ScheduleStep(context, current);
}
else
{
if (!completedstep.ContainsChildWizard)
{
Stack <CustomBookmark> bmlist = context.Properties.Find(Constants._BookmarkHistory) as Stack <CustomBookmark>;
Queue <int> currentPosition = context.Properties.Find(Constants._CurrentPosition) as Queue <int>;
CustomBookmark currentbookmark = new CustomBookmark();
currentbookmark.StepID = currentPosition.ToPlainString();
currentbookmark.StepName = completedInstance.Activity.DisplayName;
currentbookmark.HasBack = (bool)context.Properties.Find(Constants._HasBack);
currentbookmark.HasNext = (bool)context.Properties.Find(Constants._HasNext);
bmlist.Push(currentbookmark);
context.Properties.Update(Constants._BookmarkHistory, bmlist);
}
}
}
private IDictionary<string, object> ProcessCommand(Command cmd, Dictionary<string, object> input, CustomBookmark bm)
{
input = input ?? new Dictionary<string, object> { };
input["BookmarkHistory"] = history;
input["Action"] = cmd;
input["Bookmark"] = bm;
IDictionary<string, object> output = WorkflowInvoker.Invoke(wizard, input);
history = output["BookmarkHistory"] as List<CustomBookmark>;
return output;
}
private void OnStepCompleted(NativeActivityContext context, ActivityInstance completedInstance)
{
int completedInstanceIndex = this.LastIndex.Get(context);
Step completedstep = completedInstance.Activity as Step;
if (completedstep.Skipped)
{
int current = completedInstanceIndex + 1;
Queue<int> currentposition = (Queue<int>)context.Properties.Find(Constants._CurrentPosition);
if (currentposition.Count > 0) currentposition.Dequeue();
currentposition.Enqueue(current);
context.Properties.Update(Constants._CurrentPosition, currentposition);
ScheduleStep(context, current);
}
else
{
if (!completedstep.ContainsChildWizard)
{
Stack<CustomBookmark> bmlist = context.Properties.Find(Constants._BookmarkHistory) as Stack<CustomBookmark>;
Queue<int> currentPosition = context.Properties.Find(Constants._CurrentPosition) as Queue<int>;
CustomBookmark currentbookmark = new CustomBookmark();
currentbookmark.StepID = currentPosition.ToPlainString();
currentbookmark.StepName = completedInstance.Activity.DisplayName;
currentbookmark.HasBack = (bool)context.Properties.Find(Constants._HasBack);
currentbookmark.HasNext = (bool)context.Properties.Find(Constants._HasNext);
bmlist.Push(currentbookmark);
context.Properties.Update(Constants._BookmarkHistory, bmlist);
}
}
}
public IDictionary<string, object> GoTo(Dictionary<string, object> input,string StepID)
{
CustomBookmark bm = new CustomBookmark() { StepID = StepID };
IDictionary<string, object> output = ProcessCommand(Command.GoTo, input, bm);
return output;
}
private void Initialize(NativeActivityContext context)
{
Command cmd = this.Action.Get(context) as Command? ?? Command.Start;
Stack <CustomBookmark> history = (this.BookmarkHistory.Get(context) as List <CustomBookmark>).ToStack();
history = history ?? new Stack <CustomBookmark>();
CustomBookmark lastbookmark = null;
switch (cmd)
{
case Command.Start:
//clear the old history
history = new Stack <CustomBookmark>();
lastbookmark = null;
break;
case Command.Next:
lastbookmark = history.Count > 0 ? history.Peek() : null;
break;
case Command.Back:
if (history.Count > 0)
{
history.Pop();
}
lastbookmark = (history.Count > 0) ? history.Pop() : null;
break;
case Command.GoTo:
CustomBookmark inputbm = this.Bookmark.Get(context) as CustomBookmark ?? new CustomBookmark();
bool Notfound = true;
while (Notfound && history.Count > 0)
{
CustomBookmark temp = history.Pop();
if (temp.StepID.Equals(inputbm.StepID))
{
lastbookmark = inputbm;
Notfound = false;
}
}
break;
}
string laststepid = lastbookmark != null ? lastbookmark.StepID : string.Empty;
context.Properties.Add(Constants._LastPosition, laststepid.ToQueue());
//if lastbook mark is null , set the commad to start
if (lastbookmark == null)
{
cmd = Command.Start;
}
context.Properties.Add(Constants._Command, cmd);
context.Properties.Add(Constants._CurrentPosition, new Queue <int>());
context.Properties.Add(Constants._BookmarkHistory, history);
context.Properties.Add(Constants._HasNext, false);
context.Properties.Add(Constants._HasBack, false);
}
public IDictionary<string, object> GoTo(Dictionary<string, object> input,CustomBookmark bm)
{
IDictionary<string, object> output = ProcessCommand(Command.GoTo, input, bm);
return output;
}