public void ConnectionDragCompleted(MessagePathViewModel newConnection, EntryViewModel connectorDraggedOut, EntryViewModel connectorDraggedOver)
{
if (connectorDraggedOver == null)
{
this.Network.Connections.Remove(newConnection);
return;
}
var connectionOk = connectorDraggedOut.ParentNode != connectorDraggedOver.ParentNode &&
connectorDraggedOut.Type != connectorDraggedOver.Type;
if (!connectionOk)
{
this.Network.Connections.Remove(newConnection);
return;
}
var existingConnection = FindConnection(connectorDraggedOut, connectorDraggedOver);
if (existingConnection != null)
{
this.Network.Connections.Remove(existingConnection);
}
if (newConnection.DestConnector == null)
{
newConnection.DestConnector = connectorDraggedOver;
}
else
{
newConnection.SourceConnector = connectorDraggedOver;
}
}
public void ConnectionDragging(Point curDragPoint, MessagePathViewModel connection)
{
if (connection.DestConnector == null)
{
connection.DestConnectorHotspot = curDragPoint;
}
else
{
connection.SourceConnectorHotspot = curDragPoint;
}
}
public MessagePathViewModel ConnectionDragStarted(EntryViewModel draggedOutConnector, Point curDragPoint)
{
var connection = new MessagePathViewModel();
if (draggedOutConnector.Type == EntryType.Message)
{
connection.SourceConnector = draggedOutConnector;
connection.DestConnectorHotspot = curDragPoint;
}
else
{
connection.DestConnector = draggedOutConnector;
connection.SourceConnectorHotspot = curDragPoint;
}
this.Network.Connections.Add(connection);
return(connection);
}
public void DeleteConnection(MessagePathViewModel connection)
{
this.Network.Connections.Remove(connection);
}