void AddFlowControls()
{
foreach (Activity a in mBusinessFlow.Activities)
{
foreach (Act act in a.Acts)
{
foreach (FlowControl FC in act.FlowControls)
{
FlowElement FlowControlFE = new FlowElement(FlowElement.eElementType.FlowControl, act.Description + Environment.NewLine + FC.Condition + "?", 200, 300);
//TODO: fix me cause problem when status = 0 !!!!!!!!!!!!!!!!
// FlowControlFE.BindStatusLabel(FC, FlowControl.Fields.Status);
mFlowDiagram.AddFlowElem(FlowControlFE);
// Create Line connector to the activity this FC is in
FlowLink FL2 = new FlowLink(GetFlowElemOfActivity(a), FlowControlFE);
FL2.LinkStyle = FlowLink.eLinkStyle.Line;
FL2.SourcePosition = FlowLink.eFlowElementPosition.Right;
FL2.DestinationPosition = FlowLink.eFlowElementPosition.Left;
mFlowDiagram.AddConnector(FL2);
//TODO: update the FlowControlFE to be on same y of the Activity and x + 150
if (FC.FlowControlAction == eFlowControlAction.GoToActivity)
{
// Add Link from FC to target Activity if condition met
FlowElement TargetActivityFE = (from x in mFlowDiagram.GetAllFlowElem() where x.Object is Activity && ((Activity)x.Object).Guid == FC.GetGuidFromValue() select x).FirstOrDefault();
FlowLink FL3 = new FlowLink(FlowControlFE, TargetActivityFE);
FL3.LinkStyle = FlowLink.eLinkStyle.DottedArrow;
FL3.SourcePosition = FlowLink.eFlowElementPosition.Top; // TODO: find best connector - if we go up or down
FL3.DestinationPosition = FlowLink.eFlowElementPosition.Right; // TODO: find best connector- if we go up or down
mFlowDiagram.AddConnector(FL3);
}
if (FC.FlowControlAction == eFlowControlAction.StopBusinessFlow || FC.FlowControlAction == eFlowControlAction.StopRun)
{
FlowLink FL3 = new FlowLink(FlowControlFE, EndFlowElement);
FL3.LinkStyle = FlowLink.eLinkStyle.DottedArrow;
FL3.SourcePosition = FlowLink.eFlowElementPosition.Top; // TODO: find best connector
FL3.DestinationPosition = FlowLink.eFlowElementPosition.Right; // TODO: find best connector
mFlowDiagram.AddConnector(FL3);
}
//TODO: handle all other FC actions
//if (FC.FlowControlAction == eFlowControlAction.SetVariableValue )
//{
// FlowLink FL3 = new FlowLink(FlowControlFE, EndFlowElement);
// FL3.LinkStyle = FlowLink.eLinkStyle.DottedArrow;
// FL3.SourcePosition = FlowLink.eFlowElementPosition.Top; // TODO: find best connector
// FL3.DestinationPosition = FlowLink.eFlowElementPosition.Right; // TODO: find best connector
// mFlowDiagram.AddConnector(FL3);
//}
}
}
}
}
private void CreateBFFlowDiagram()
{
mFlowDiagram = new FlowDiagramPage();
double x = 50;
double y = 50;
// Show start elem
StartFlowElement = new FlowElement(FlowElement.eElementType.Start, "Start", x, y);
x += StartFlowElement.Width + 50;
mFlowDiagram.AddFlowElem(StartFlowElement);
y += 100;
FlowElement LastActivity = StartFlowElement;
foreach (Activity activity in mBusinessFlow.Activities)
{
FlowElement ActivityFE = new FlowElement(FlowElement.eElementType.Activity, activity, nameof(Activity.ActivityName), x, y);
y += ActivityFE.Height + 50;
//TODO: fixme to see image
//ActivityFE.SetImage(activity.Image);
ActivityFE.Object = activity; // keep ref to the Activity for later use
ActivityFE.BindStatusLabel(activity, nameof(Activity.Status));
mFlowDiagram.AddFlowElem(ActivityFE);
//Add connector to last activity
FlowLink FL = new FlowLink(LastActivity, ActivityFE);
FL.LinkStyle = FlowLink.eLinkStyle.Arrow;
FL.SourcePosition = FlowLink.eFlowElementPosition.bottom;
FL.DestinationPosition = FlowLink.eFlowElementPosition.Top;
mFlowDiagram.AddConnector(FL);
LastActivity = ActivityFE;
}
// Add 'End' Flow elem
x += LastActivity.Width + 50;
EndFlowElement = new FlowElement(FlowElement.eElementType.End, "End", x, y);
mFlowDiagram.AddFlowElem(EndFlowElement);
// connect last Activity to 'End' Flow Elem
FlowLink FLEnd = new FlowLink(LastActivity, EndFlowElement);
FLEnd.LinkStyle = FlowLink.eLinkStyle.Arrow;
FLEnd.SourcePosition = FlowLink.eFlowElementPosition.bottom;
FLEnd.DestinationPosition = FlowLink.eFlowElementPosition.Top;
mFlowDiagram.AddConnector(FLEnd);
AddFlowControls();
MainFrame.Content = mFlowDiagram;
}
public override void MouseUpHandler(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
if (this.ClickCount >= 2)
{
if (this.StartNode != null && this.EndNode != null)
{
if (!MainWindow.Current.Arrows.ContainsKeys(this.StartNode.NodeID, this.EndNode.NodeID))
{
var link = new FlowLink
{
From = this.StartNode.NodeID,
To = this.EndNode.NodeID,
Label = string.Empty
};
var arrow = new BezierLink
{
StartPoint = this.StartNode.Position,
EndPoint = this.EndNode.Position,
StartOffset = DataManager.NodeSize / 2,
EndOffset = DataManager.NodeSize / 2,
Tag = (link.From, link.To)
};
Canvas.SetZIndex(arrow, 100);
arrow.ReadyControl();
MainWindow.Current.MyCanvas.Children.Add(arrow);
MainWindow.Current.Arrows.Add(link.From, link.To, arrow);
DataManager.CurrentDocument.LinksStore.Add(link.From, link.To, link);
}
this.ClickCount = 0;
this.StartNode = null;
this.EndNode = null;
MainWindow.Current.MyCanvas.Children.Remove(this.PhantomArrow);
}
}
}
}
public void CalculateFlow()
{
// Truncate old data from table
_context.FlowNodes.RemoveRange(_context.FlowNodes);
_context.FlowLinks.RemoveRange(_context.FlowLinks);
_context.SaveChanges();
// Initialize Buckets per Exchange
var allNodes = new Dictionary <Guid, IEnumerable <FlowNode> >();
var allLinks = new Dictionary <Guid, IEnumerable <FlowLink> >();
foreach (var exchange in _context.Exchanges)
{
var links = new List <FlowLink>();
// Add all Inputs
var inputs =
_context.Transactions.Where(t => t.ExchangeId == exchange.Id && t.Type == TransactionType.In).OrderBy(t => t.DateTime);
var nodes = inputs.Select(input => new FlowNode(input.DateTime, input.InAmount, input.InCurrency, exchange.Id, input.Id, "In")).ToList();
// Add all Outputs
var outputs = _context.Transactions.Where(t => t.ExchangeId == exchange.Id && t.Type == TransactionType.Out).OrderBy(t => t.DateTime);
nodes.AddRange(outputs.Select(output => new FlowNode(output.DateTime, output.OutAmount, output.OutCurrency, exchange.Id, output.Id, "Out")));
var transactions = _context.Transactions.Where(t => t.ExchangeId == exchange.Id).OrderBy(t => t.DateTime);
var lastBuckets = new Dictionary <string, Guid>(); // Currency/FlowNode Id
foreach (var transaction in transactions)
{
switch (transaction.Type)
{
case TransactionType.In:
{
if (lastBuckets.ContainsKey(transaction.InCurrency))
{
// Add Amount to new Bucket
var sourceNode = nodes.Single(n => n.DateTime == transaction.DateTime && n.Amount == transaction.InAmount);
var oldNode = nodes.Single(n => n.Id == lastBuckets[transaction.InCurrency]);
var newNode = new FlowNode(transaction.DateTime, transaction.InAmount + oldNode.Amount, transaction.InCurrency, exchange.Id, Guid.Empty);
nodes.Add(newNode);
var link1 = new FlowLink(transaction.DateTime, oldNode.Amount, transaction.InCurrency, oldNode.Id, newNode.Id, exchange.Id);
var link2 = new FlowLink(transaction.DateTime, transaction.InAmount, transaction.InCurrency, sourceNode.Id, newNode.Id, exchange.Id, "In");
links.Add(link1);
links.Add(link2);
lastBuckets[transaction.InCurrency] = newNode.Id;
}
else
{
var sourceNode = nodes.Single(n => n.TransactionId == transaction.Id);
var node = new FlowNode(transaction.DateTime, transaction.InAmount, transaction.InCurrency, exchange.Id, transaction.Id);
nodes.Add(node);
var link = new FlowLink(transaction.DateTime, transaction.InAmount, transaction.InCurrency, sourceNode.Id, node.Id, exchange.Id, "In");
links.Add(link);
lastBuckets.Add(transaction.InCurrency, node.Id);
}
}
break;
case TransactionType.Trade:
if (lastBuckets.ContainsKey(transaction.BuyCurrency))
{
// Buy Bucket already exists
var buyBucketNode = nodes.Single(n => n.Id == lastBuckets[transaction.BuyCurrency]);
var prevNode = nodes.Single(n => n.Id == lastBuckets[transaction.SellCurrency]);
var restNode = new FlowNode(transaction.DateTime, prevNode.Amount - transaction.SellAmount, transaction.SellCurrency, exchange.Id, transaction.Id);
var newBuyBucketNode = new FlowNode(transaction.DateTime, buyBucketNode.Amount + transaction.BuyAmount, buyBucketNode.Currency, exchange.Id, transaction.Id);
// Calculate fee
if (transaction.FeeCurrency == prevNode.Currency)
{
restNode.Amount -= transaction.FeeAmount;
}
else if (transaction.FeeCurrency == newBuyBucketNode.Currency)
{
newBuyBucketNode.Amount -= transaction.FeeAmount;
}
else
{
throw new NotImplementedException("Transaction Fee could not be added");
}
var linkToNewBuyBucket = new FlowLink(transaction.DateTime, transaction.BuyAmount, transaction.BuyCurrency, prevNode.Id, newBuyBucketNode.Id, exchange.Id, $"Trade {Math.Round(transaction.BuyAmount, 2)} {transaction.BuyCurrency} for {Math.Round(transaction.SellAmount, 2)} {transaction.SellCurrency}");
var linkToNewBucket = new FlowLink(transaction.DateTime, buyBucketNode.Amount, buyBucketNode.Currency, buyBucketNode.Id, newBuyBucketNode.Id, exchange.Id);
var linkToNewRestBucket = new FlowLink(transaction.DateTime, prevNode.Amount - transaction.SellAmount, transaction.SellCurrency, prevNode.Id, restNode.Id, exchange.Id);
// Add data
nodes.Add(restNode);
nodes.Add(newBuyBucketNode);
links.Add(linkToNewBuyBucket);
links.Add(linkToNewBucket);
links.Add(linkToNewRestBucket);
// Set new Buckets
lastBuckets[transaction.BuyCurrency] = newBuyBucketNode.Id;
lastBuckets[transaction.SellCurrency] = restNode.Id;
}
else
{
// Create new Buy Bucket
var prevNode = nodes.Single(n => n.Id == lastBuckets[transaction.SellCurrency]);
var buyNode = new FlowNode(transaction.DateTime, transaction.BuyAmount, transaction.BuyCurrency, exchange.Id, transaction.Id);
var sellAndRestNode = new FlowNode(transaction.DateTime, prevNode.Amount - transaction.SellAmount, transaction.SellCurrency, exchange.Id, transaction.Id);
// Calculate fee
if (transaction.FeeCurrency == prevNode.Currency)
{
sellAndRestNode.Amount -= transaction.FeeAmount;
}
else if (transaction.FeeCurrency == buyNode.Currency)
{
buyNode.Amount -= transaction.FeeAmount;
}
else
{
throw new NotImplementedException("Transaction Fee could not be added");
}
// Add Links
var buyLink = new FlowLink(transaction.DateTime, transaction.BuyAmount, transaction.BuyCurrency, prevNode.Id, buyNode.Id, exchange.Id, $"Trade {Math.Round(transaction.BuyAmount, 2)} {transaction.BuyCurrency} for {Math.Round(transaction.SellAmount, 2)} {transaction.SellCurrency}");
var sellAndRestLink = new FlowLink(transaction.DateTime, prevNode.Amount - transaction.SellAmount, transaction.SellCurrency, prevNode.Id, sellAndRestNode.Id, exchange.Id);
// Add to Dictionaries
links.Add(buyLink);
links.Add(sellAndRestLink);
nodes.Add(buyNode);
nodes.Add(sellAndRestNode);
// Set new Buckets
lastBuckets[transaction.BuyCurrency] = buyNode.Id;
lastBuckets[transaction.SellCurrency] = sellAndRestNode.Id;
}
break;
case TransactionType.Out:
var previousNode = nodes.Single(n => n.Id == lastBuckets[transaction.OutCurrency]);
var outNode = nodes.Single(n => n.TransactionId == transaction.Id);
var nextNode = new FlowNode(transaction.DateTime, previousNode.Amount - outNode.Amount, transaction.OutCurrency, exchange.Id, Guid.Empty);
nodes.Add(nextNode);
var linkPreviousOut = new FlowLink(transaction.DateTime, transaction.OutAmount, transaction.OutCurrency, previousNode.Id, outNode.Id, exchange.Id, "Out");
var linkPreviousNext = new FlowLink(transaction.DateTime, nextNode.Amount, transaction.OutCurrency, previousNode.Id, nextNode.Id, exchange.Id);
links.Add(linkPreviousOut);
links.Add(linkPreviousNext);
lastBuckets[transaction.OutCurrency] = nextNode.Id;
break;
default:
throw new ArgumentException($"Transaction Type {transaction.Type} is unknown");
}
}
allNodes.Add(exchange.Id, nodes);
allLinks.Add(exchange.Id, links);
}
// Save Data
foreach (var allNode in allNodes)
{
foreach (var nodes in allNode.Value)
{
_context.FlowNodes.Add(nodes);
}
}
foreach (var allLink in allLinks)
{
foreach (var link in allLink.Value)
{
_context.FlowLinks.Add(link);
}
}
_context.SaveChanges();
}
