protected override void OnDrop(DragEventArgs e)
{
//base.OnDrop(e);
#region FileImport
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
// Can have more than one file.
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
List <string> validSNPFiles = new List <string>();
foreach (string file in files)
{
if (TouchstoneFile.ExtensionIsValid(file))
{
validSNPFiles.Add(file);
}
}
if (validSNPFiles.Count > 0)
{
Point position = e.GetPosition(this);
Vector positionOffset = new Vector(0, 0);
foreach (string validFile in validSNPFiles)
{
TouchstoneFile touchstoneFile = new TouchstoneFile();
TouchstoneResult touchstoneResult;
try
{
touchstoneResult = touchstoneFile.Read(validFile);
}
catch (Exception exception)
{
Console.WriteLine(exception);
throw;
}
if (touchstoneResult != null)
{
ImportedComponentModel importedComponentModel = new ImportedComponentModel();
importedComponentModel.Size = new Size(60, 50);
importedComponentModel.Position = Point.Add(position, positionOffset);
positionOffset = Vector.Add(positionOffset, new Vector(10, 10));
importedComponentModel.LoadFromTouchstoneResult(touchstoneResult);
importedComponentModel.FileName = validFile;
importedComponentModel.Name = Path.GetFileNameWithoutExtension(validFile);
if (DataContext is MainVM mainVM)
{
if (mainVM.AddElement is RelayCommand relayCommand)
{
relayCommand.Run(importedComponentModel);
}
else
{
throw new Exception("MainVM AddElement Command should be type of RelayCommand");
}
}
else
{
throw new Exception("DataContext of DesignerCanvas should be MainVM type");
}
}
}
}
}
#endregion
#region Drag from toolbox / Copy by drag
DragObject dragObject = e.Data.GetData(typeof(DragObject)) as DragObject;
DragString dragString = e.Data.GetData(typeof(DragString)) as DragString;
if (dragObject != null)
{
Point position = e.GetPosition(this);
double width = dragObject.DesiredSize.Width;
double height = dragObject.DesiredSize.Height;
double left = Math.Max(0, position.X - width / 2);
double top = Math.Max(0, position.Y - height / 2);
Element NewElement = Creator.CreateElementByType(dragObject.Type, width, height, top, left);
if (DataContext is MainVM mainVM)
{
if (mainVM.AddElement is RelayCommand relayCommand)
{
relayCommand.Run(NewElement);
}
else
{
throw new Exception("MainVM AddElement Command should be type of RelayCommand");
}
}
else
{
throw new Exception("DataContext of DesignerCanvas should be MainVM type");
}
e.Handled = true;
}
else if (dragString != null)
{
if (DataContext is MainVM mainVM)
{
Vector elementsShift = Point.Subtract(e.GetPosition(this), dragString.DragPointStart);
mainVM.ReadAndShiftElementsAndConnectionsFromString(dragString.DraggedString, elementsShift);
}
}
#endregion
}
public static Element CreateElementByType(ElementType type, double width, double height, double top, double left)
{
Element toReturn;
switch (type)
{
case ElementType.Element:
toReturn = new Element();
break;
case ElementType.Port:
toReturn = new PortModel();
break;
case ElementType.ResistorInSeries:
toReturn = new LumpedElement(ElementType.ResistorInSeries, ElementType.ResistorInSeries.ToString());
break;
case ElementType.ResistorInParallel:
toReturn = new LumpedElement(ElementType.ResistorInParallel, ElementType.ResistorInParallel.ToString());
break;
case ElementType.InductorInSeries:
toReturn = new LumpedElement(ElementType.InductorInSeries, ElementType.InductorInSeries.ToString());
break;
case ElementType.InductorInParallel:
toReturn = new LumpedElement(ElementType.InductorInParallel, ElementType.InductorInParallel.ToString());
break;
case ElementType.CapacitorInSeries:
toReturn = new LumpedElement(ElementType.CapacitorInSeries, ElementType.CapacitorInSeries.ToString());
break;
case ElementType.CapacitorInParallel:
toReturn = new LumpedElement(ElementType.CapacitorInParallel, ElementType.CapacitorInParallel.ToString());
break;
case ElementType.OpenCircuit:
toReturn = new OpenCircuitModel();
break;
case ElementType.ShortCircuit:
toReturn = new ShortCircuitModel();
break;
case ElementType.TransmissionLine:
toReturn = new TransmissionLineModel();
break;
case ElementType.ImportedComponent:
toReturn = new ImportedComponentModel();
break;
default:
toReturn = new Element();
break;
}
toReturn.Position = new Point(left, top);
toReturn.Size = new Size(width, height);
return(toReturn);
}
