private void CleanupOldPorts()
{
//clear all the inputs but the first one
//which is the family instance
//first kill all the connectors
for (int i = 1; i < InPortData.Count; i++)
{
dynPort p = InPorts[i];
//must remove the connectors iteratively
//do not use a foreach here!
while (p.Connectors.Count > 0)
{
dynConnector c = p.Connectors[p.Connectors.Count - 1] as dynConnector;
c.Kill();
}
}
//then remove all the ports
while (InPorts.Count > 1)
{
InPorts.RemoveAt(InPorts.Count - 1);
InPortData.RemoveAt(InPortData.Count - 1);
}
while (gridLeft.RowDefinitions.Count > 1)
{
//remove the port from the children list
gridLeft.Children.RemoveAt(gridLeft.RowDefinitions.Count - 1);
gridLeft.RowDefinitions.RemoveAt(gridLeft.RowDefinitions.Count - 1);
}
}
void OnMouseLeftButtonDown(object sender, System.Windows.Input.MouseEventArgs e)
{
//Keyboard.Focus(this);
hitResultsList.Clear();
TestClick(e.GetPosition(workBench));
#region test for a port
dynPort p = null;
if (hitResultsList.Count > 0)
{
foreach (DependencyObject depObj in hitResultsList)
{
//traverse the tree through all the
//hit elements to see if you get a port
p = ElementClicked(depObj, typeof(dynPort)) as dynPort;
if (p != null)
{
break;
}
}
}
if (p != null)
{
if (!isConnecting)
{
//test if port already has a connection if so grab it
//and begin connecting to somewhere else
//don't allow the grabbing of the start connector
if (p.Connectors.Count > 0 && p.Connectors[0].Start != p)
{
activeConnector = p.Connectors[0];
activeConnector.Disconnect(p);
isConnecting = true;
workBench.isConnecting = true;
}
else
{
try
{
//you've begun creating a connector
dynConnector c = new dynConnector(p, workBench, e.GetPosition(workBench));
activeConnector = c;
isConnecting = true;
workBench.isConnecting = true;
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
else
{
//attempt a connection between the port
//and the connector
if (!activeConnector.Connect(p))
{
activeConnector.Kill();
isConnecting = false;
workBench.isConnecting = false;
activeConnector = null;
}
else
{
//you've already started connecting
//now you're going to stop
isConnecting = false;
workBench.isConnecting = false;
activeConnector = null;
}
}
//set the handled flag so that the element doesn't get dragged
e.Handled = true;
}
else
{
//if you click on the canvas and you're connecting
//then drop the connector, otherwise do nothing
if (activeConnector != null)
{
activeConnector.Kill();
isConnecting = false;
workBench.isConnecting = false;
activeConnector = null;
}
}
#endregion
#region test for canvas
hitResultsList.Clear();
TestClick(e.GetPosition(workBench));
DragCanvas dc = null;
if (hitResultsList.Count > 0)
{
foreach (DependencyObject depObj in hitResultsList)
{
//traverse the tree through all the
//hit elements to see if you get a port
dc = ElementClicked(depObj, typeof(DragCanvas)) as DragCanvas;
if (dc != null)
{
Debug.WriteLine("Canvas clicked");
ClearSelection();
break;
}
}
}
#endregion
#region test for dyn element
hitResultsList.Clear();
TestClick(e.GetPosition(workBench));
dynElement element = null;
if (hitResultsList.Count > 0)
{
foreach (DependencyObject depObj in hitResultsList)
{
//traverse the tree through all the
//hit elements to see if you get an element
element = ElementClicked(depObj, typeof(dynElement)) as dynElement;
if (element != null)
{
SelectElement(element);
break;
}
}
}
#endregion
}
bool OpenWorkbench(string xmlPath)
{
Log("Opening workbench " + xmlPath + "...");
CleanWorkbench();
try
{
#region read xml file
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(xmlPath);
XmlNodeList elNodes = xmlDoc.GetElementsByTagName("dynElements");
XmlNodeList cNodes = xmlDoc.GetElementsByTagName("dynConnectors");
XmlNode elNodesList = elNodes[0] as XmlNode;
XmlNode cNodesList = cNodes[0] as XmlNode;
foreach (XmlNode elNode in elNodesList.ChildNodes)
{
XmlAttribute typeAttrib = elNode.Attributes[0];
XmlAttribute guidAttrib = elNode.Attributes[1];
XmlAttribute nicknameAttrib = elNode.Attributes[2];
XmlAttribute xAttrib = elNode.Attributes[3];
XmlAttribute yAttrib = elNode.Attributes[4];
string typeName = typeAttrib.Value.ToString();
Guid guid = new Guid(guidAttrib.Value.ToString());
string nickname = nicknameAttrib.Value.ToString();
double x = Convert.ToDouble(xAttrib.Value.ToString());
double y = Convert.ToDouble(yAttrib.Value.ToString());
Type t = Type.GetType(typeName);
dynElement el = AddDynElement(t, nickname, guid, x, y);
//read the sub elements
//set any numeric values
foreach (XmlNode subNode in elNode.ChildNodes)
{
if (subNode.Name == "System.Double")
{
double val = Convert.ToDouble(subNode.Attributes[0].Value);
el.OutPortData[0].Object = val;
el.Update();
}
else if (subNode.Name == "System.Int32")
{
int val = Convert.ToInt32(subNode.Attributes[0].Value);
el.OutPortData[0].Object = val;
el.Update();
}
}
}
dynElementSettings.SharedInstance.Workbench.UpdateLayout();
foreach (XmlNode connector in cNodesList.ChildNodes)
{
XmlAttribute guidStartAttrib = connector.Attributes[0];
XmlAttribute intStartAttrib = connector.Attributes[1];
XmlAttribute guidEndAttrib = connector.Attributes[2];
XmlAttribute intEndAttrib = connector.Attributes[3];
XmlAttribute portTypeAttrib = connector.Attributes[4];
Guid guidStart = new Guid(guidStartAttrib.Value.ToString());
Guid guidEnd = new Guid(guidEndAttrib.Value.ToString());
int startIndex = Convert.ToInt16(intStartAttrib.Value.ToString());
int endIndex = Convert.ToInt16(intEndAttrib.Value.ToString());
int portType = Convert.ToInt16(portTypeAttrib.Value.ToString());
//find the elements to connect
dynElement start = null;
dynElement end = null;
foreach (dynElement e in dynElementSettings.SharedInstance.Bench.Elements)
{
if (e.GUID == guidStart)
{
start = e;
}
else if (e.GUID == guidEnd)
{
end = e;
}
if (start != null && end != null)
{
break;
}
}
//don't connect if the end element is an instance map
//those have a morphing set of inputs
//dynInstanceParameterMap endTest = end as dynInstanceParameterMap;
//if (endTest != null)
//{
// continue;
//}
if (start != null && end != null && start != end)
{
dynConnector newConnector = new dynConnector(start, end, startIndex,
endIndex, portType);
//connectors.Add(newConnector);
}
}
#endregion
}
catch (Exception ex)
{
Log("There was an error opening the workbench.");
Log(ex.Message);
Log(ex.StackTrace);
Debug.WriteLine(ex.Message + ":" + ex.StackTrace);
CleanWorkbench();
return(false);
}
return(true);
}
