public static void CallNextItem(this IWorkFlowItem item, object input)
{
item.Connectors.Where(z => z.Type == ConnectorType.Out).ToList().ForEach(connector => {
Parallel.ForEach(connector.Lines, line => {
if (line.End.WorkFlowItem is IExecutableNode)
{
((IExecutableNode)line.End.WorkFlowItem).Run(input);
}
});
});
}
public static void MoveItem(this IWorkFlowItem item, WorkFlowPoint point, double width, double height, Func <IConnector, WorkFlowPoint> getPosition)
{
foreach (var connector in item.Connectors.Where(z => z.Lines.Any()))
{
foreach (var line in connector.Lines)
{
point.X += width / 2;
point.Y += height / 2;
if (connector.Type == ConnectorType.In)
{
line.End.Point = getPosition(connector);
line.DrawPath(line.Start.Point, line.End.Point);
}
else
{
line.Start.Point = getPosition(connector);
line.DrawPath(line.Start.Point, line.End.Point);
}
}
}
}
public static IConnector AddWorkFlowConnector(this IWorkFlowItem item, IConnector connector)
{
item.Connectors.Add(connector);
item.ItemContent.AddConnector(connector);
return(connector);
}
private IWorkFlowItem CreateNewNode(Type type, string title, string description)
{
IWorkFlowItem item = (IWorkFlowItem)Activator.CreateInstance(type, editorCanvas);
item.ItemContent.ItemContentContext.Title = title;
item.ItemContent.ItemContentContext.Description = description;
item.UIElement.GetUiElement <FrameworkElement>().Width = 200;
item.UIElement.GetUiElement <FrameworkElement>().Height = 100;
foreach (var connector in item.Connectors)
{
connector.UIElement.GetUiElement <FrameworkElement>().MouseEnter += (s, e) =>
{
connector.MouseIn();
};
item.UIElement.GetUiElement <FrameworkElement>().MouseLeave += (s, e) =>
{
connector.MouseOut();
};
if (connector.Type == ConnectorType.Out)
{
connector.UIElement.GetUiElement <FrameworkElement>().MouseLeftButtonDown += (s, e) =>
{
e.Handled = true;
connector.Point = e.GetPosition(editorCanvas).ToWorkFlowPoint();
MovingLine = CreateLine(connector, null);
connector.Lines.Add(MovingLine);
editorCanvas.Children.Add(MovingLine.UIElement.GetUiElement <FrameworkElement>());
SetResetConnectorCanConnect(MovingLine, WorkFlowItems);
};
connector.UIElement.GetUiElement <FrameworkElement>().MouseLeftButtonUp += (s, e) =>
{
ConnectionCreateCleanup();
};
}
else
{
connector.UIElement.GetUiElement <FrameworkElement>().MouseLeftButtonUp += (s, e) =>
{
if (MovingLine != null)
{
e.Handled = true;
if (!connector.CanConnect(MovingLine))
{
ConnectionCreateCleanup();
return;
}
if (IsLoop(MovingLine.Start, connector))
{
OnLoopDetected(new WorkFlowLoopEventModel(MovingLine.Start, connector));
if (!AllowLoops)
{
ConnectionCreateCleanup();
return;
}
}
connector.Point = e.GetPosition(editorCanvas).ToWorkFlowPoint();
MovingLine.End = connector;
MovingLine.DrawPath(MovingLine.Start.Point, MovingLine.End.Point);
connector.Lines.Add(MovingLine);
MovingLine = new LineItem();
MovingLine = null;
SetResetConnectorCanConnect(null, WorkFlowItems);
}
};
}
}
item.UIElement.GetUiElement <FrameworkElement>().MouseLeftButtonDown += (s, e) =>
{
e.Handled = true;
var sender = s as FrameworkElement;
sender.CaptureMouse();
};
item.UIElement.GetUiElement <FrameworkElement>().MouseLeftButtonUp += (s, e) =>
{
e.Handled = true;
var sender = s as FrameworkElement;
sender.ReleaseMouseCapture();
ConnectionCreateCleanup();
};
item.UIElement.GetUiElement <FrameworkElement>().MouseMove += (s, e) =>
{
editorCanvas.Width = editorCanvas.ActualWidth;
editorCanvas.Height = editorCanvas.ActualHeight;
e.Handled = true;
var sender = s as FrameworkElement;
if (sender.IsMouseCaptured)
{
var point = e.GetPosition(editorCanvas);
if (point.X >= editorCanvas.Width - ItemWidth + 10)
{
editorCanvas.Width += 5;
zoomAndPanControl.ContentOffsetX += 5;
}
if (point.Y >= editorCanvas.Height - ItemWidth + 10)
{
editorCanvas.Height += 5;
zoomAndPanControl.ContentOffsetY += 5;
}
if (point.X <= 100)
{
return;
}
if (point.Y <= 50)
{
return;
}
item.Move(point.ToWorkFlowPoint());
MakeCanvasFit((int)this.ActualWidth, (int)this.ActualHeight);
}
};
return(item);
}
