public void Connect(dynConnectorModel connector)
{
connectors.Add(connector);
//throw the event for a connection
OnPortConnected(EventArgs.Empty);
IsConnected = true;
}
private void Connect(object parameters)
{
//make the connector model
var end = parameters as dynPortModel;
_model = dynConnectorModel.Make(_activeStartPort.Owner, end.Owner, _activeStartPort.Index, end.Index, 0);
if (_model == null)
{
return;
}
_model.Connected += ModelConnected;
_model.Start.PropertyChanged += Start_PropertyChanged;
_model.End.PropertyChanged += End_PropertyChanged;
dynSettings.Controller.DynamoViewModel.Model.PropertyChanged += Model_PropertyChanged;
dynSettings.Controller.DynamoViewModel.PropertyChanged += DynamoViewModel_PropertyChanged;
IsHitTestVisible = false;
}
public dynConnectorViewModel(dynConnectorModel model)
{
ConnectCommand = new DelegateCommand<object>(Connect, CanConnect);
RedrawCommand = new DelegateCommand(Redraw, CanRedraw);
HighlightCommand = new DelegateCommand(Highlight, CanHighlight);
UnHighlightCommand = new DelegateCommand(Unhighlight, CanUnHighlight);
var bc = new BrushConverter();
StrokeBrush = (Brush)bc.ConvertFrom("#777");
_model = model;
_model.Start.PropertyChanged += Start_PropertyChanged;
_model.End.PropertyChanged += End_PropertyChanged;
_model.PropertyChanged += Model_PropertyChanged;
_model.Start.Owner.PropertyChanged += StartOwner_PropertyChanged;
_model.End.Owner.PropertyChanged += EndOwner_PropertyChanged;
dynSettings.Controller.DynamoViewModel.PropertyChanged += DynamoViewModel_PropertyChanged;
}
public void Disconnect(dynConnectorModel connector)
{
//throw the event for a connection
OnPortDisconnected(EventArgs.Empty);
if (connectors.Contains(connector))
{
connectors.Remove(connector);
}
//don't set back to white if
//there are still connectors on this port
if (connectors.Count == 0)
{
IsConnected = false;
}
if (connectors.Count == 0)
{
Owner.State = ElementState.DEAD;
}
}
public dynConnectorViewModel(dynConnectorModel model)
{
ConnectCommand = new DelegateCommand <object>(Connect, CanConnect);
RedrawCommand = new DelegateCommand(Redraw, CanRedraw);
HighlightCommand = new DelegateCommand(Highlight, CanHighlight);
UnHighlightCommand = new DelegateCommand(Unhighlight, CanUnHighlight);
var bc = new BrushConverter();
StrokeBrush = (Brush)bc.ConvertFrom("#777");
_model = model;
_model.Start.PropertyChanged += Start_PropertyChanged;
_model.End.PropertyChanged += End_PropertyChanged;
_model.PropertyChanged += Model_PropertyChanged;
_model.Start.Owner.PropertyChanged += StartOwner_PropertyChanged;
_model.End.Owner.PropertyChanged += EndOwner_PropertyChanged;
dynSettings.Controller.DynamoViewModel.PropertyChanged += DynamoViewModel_PropertyChanged;
//make sure we have valid curve points
Redraw();
}
public void Disconnect(dynConnectorModel connector)
{
//throw the event for a connection
OnPortDisconnected(EventArgs.Empty);
if (connectors.Contains(connector))
{
connectors.Remove(connector);
}
//don't set back to white if
//there are still connectors on this port
if (connectors.Count == 0)
{
IsConnected = false;
}
if (connectors.Count == 0)
Owner.State = ElementState.DEAD;
}
public void Connect(dynConnectorModel connector)
{
connectors.Add(connector);
//throw the event for a connection
OnPortConnected(EventArgs.Empty);
IsConnected = true;
}
/// <summary>
/// Deserialize a function definition from a given path. A side effect of this function is that
/// the node is added to the dictionary of loadedNodes.
/// </summary>
/// <param name="funcDefGuid">The function guid we're currently loading</param>
/// <param name="controller">Reference to the calling controller</param>
/// <param name="def">The resultant function definition</param>
/// <returns></returns>
private bool GetDefinitionFromPath(Guid funcDefGuid, DynamoController controller, out FunctionDefinition def)
{
try
{
var xmlPath = GetNodePath(funcDefGuid);
#region read xml file
var xmlDoc = new XmlDocument();
xmlDoc.Load(xmlPath);
string funName = null;
string category = "";
double cx = DynamoView.CANVAS_OFFSET_X;
double cy = DynamoView.CANVAS_OFFSET_Y;
string id = "";
// load the header
foreach (XmlNode node in xmlDoc.GetElementsByTagName("dynWorkspace"))
{
foreach (XmlAttribute att in node.Attributes)
{
if (att.Name.Equals("X"))
cx = Convert.ToDouble(att.Value);
else if (att.Name.Equals("Y"))
cy = Convert.ToDouble(att.Value);
else if (att.Name.Equals("Name"))
funName = att.Value;
else if (att.Name.Equals("Category"))
category = att.Value;
else if (att.Name.Equals("ID"))
{
id = att.Value;
}
}
}
// we have a dyf and it lacks an ID field, we need to assign it
// a deterministic guid based on its name. By doing it deterministically,
// files remain compatible
if (string.IsNullOrEmpty(id) && !string.IsNullOrEmpty(funName))
{
id = GuidUtility.Create(GuidUtility.UrlNamespace, funName).ToString();
}
#endregion
DynamoCommands.WriteToLogCmd.Execute("Loading node definition for \"" + funName + "\" from: " + xmlPath);
var workSpace = new FuncWorkspace(
funName, category.Length > 0
? category
: BuiltinNodeCategories.SCRIPTING_CUSTOMNODES, cx, cy);
def = new FunctionDefinition(Guid.Parse(id))
{
Workspace = workSpace
};
// load a dummy version, so any nodes depending on this node
// will find an (empty) identifier on compilation
FScheme.Expression dummyExpression = FScheme.Expression.NewNumber_E(0);
controller.FSchemeEnvironment.DefineSymbol(def.FunctionId.ToString(), dummyExpression);
this.loadedNodes.Add(def.FunctionId, def);
dynWorkspaceModel ws = def.Workspace;
XmlNodeList elNodes = xmlDoc.GetElementsByTagName("dynElements");
XmlNodeList cNodes = xmlDoc.GetElementsByTagName("dynConnectors");
XmlNodeList nNodes = xmlDoc.GetElementsByTagName("dynNotes");
XmlNode elNodesList = elNodes[0];
XmlNode cNodesList = cNodes[0];
XmlNode nNodesList = nNodes[0];
#region instantiate nodes
List<Guid> badNodes = new List<Guid>();
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];
XmlAttribute lacingAttrib = null;
if (elNode.Attributes.Count > 5)
{
lacingAttrib = elNode.Attributes[5];
}
string typeName = typeAttrib.Value;
string oldNamespace = "Dynamo.Elements.";
if (typeName.StartsWith(oldNamespace))
typeName = "Dynamo.Nodes." + typeName.Remove(0, oldNamespace.Length);
//test the GUID to confirm that it is non-zero
//if it is zero, then we have to fix it
//this will break the connectors, but it won't keep
//propagating bad GUIDs
var guid = new Guid(guidAttrib.Value);
if (guid == Guid.Empty)
{
guid = Guid.NewGuid();
}
string nickname = nicknameAttrib.Value;
double x = Convert.ToDouble(xAttrib.Value);
double y = Convert.ToDouble(yAttrib.Value);
//Type t = Type.GetType(typeName);
TypeLoadData tData;
Type t;
if (!controller.BuiltInTypesByName.TryGetValue(typeName, out tData))
{
//try and get a system type by this name
t = Type.GetType(typeName);
//if we still can't find the type, try the also known as attributes
if (t == null)
{
//try to get the also known as values
foreach (KeyValuePair<string, TypeLoadData> kvp in controller.BuiltInTypesByName)
{
var akaAttribs = kvp.Value.Type.GetCustomAttributes(typeof(AlsoKnownAsAttribute), false);
if (akaAttribs.Count() > 0)
{
if ((akaAttribs[0] as AlsoKnownAsAttribute).Values.Contains(typeName))
{
controller.DynamoViewModel.Log(string.Format("Found matching node for {0} also known as {1}", kvp.Key, typeName));
t = kvp.Value.Type;
}
}
}
}
if (t == null)
{
controller.DynamoViewModel.Log("Could not load node of type: " + typeName);
controller.DynamoViewModel.Log("Loading will continue but nodes might be missing from your workflow.");
//return false;
badNodes.Add(guid);
continue;
}
}
else
t = tData.Type;
dynNodeModel el = dynSettings.Controller.DynamoViewModel.CreateNodeInstance(t, nickname, guid);
if (lacingAttrib != null)
{
LacingStrategy lacing = LacingStrategy.First;
Enum.TryParse(lacingAttrib.Value, out lacing);
el.ArgumentLacing = lacing;
}
// note - this is because the connectors fail to be created if there's not added
// to the canvas
ws.Nodes.Add(el);
el.WorkSpace = ws;
var node = el;
node.X = x;
node.Y = y;
if (el == null)
return false;
el.DisableReporting();
el.LoadElement(elNode); // inject the node properties from the xml
// it has no
if (el is dynFunction)
{
var fun = el as dynFunction;
// we've found a custom node, we need to attempt to load its guid.
// if it doesn't exist (i.e. its a legacy node), we need to assign it one,
// deterministically
Guid funId;
try
{
funId = Guid.Parse(fun.Symbol);
}
catch
{
funId = GuidUtility.Create(GuidUtility.UrlNamespace, nicknameAttrib.Value);
fun.Symbol = funId.ToString();
}
// if it's not a recurisve node and it's not yet loaded, load it
if (funcDefGuid != funId && !this.loadedNodes.ContainsKey(funId))
{
dynSettings.Controller.CustomNodeLoader.GetFunctionDefinition(funId);
fun.Definition = this.loadedNodes[funId];
}
else if ( this.loadedNodes.ContainsKey(funId ))
{
fun.Definition = this.loadedNodes[funId];
}
}
}
#endregion
#region instantiate connectors
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];
var guidStart = new Guid(guidStartAttrib.Value);
var guidEnd = new Guid(guidEndAttrib.Value);
int startIndex = Convert.ToInt16(intStartAttrib.Value);
int endIndex = Convert.ToInt16(intEndAttrib.Value);
int portType = Convert.ToInt16(portTypeAttrib.Value);
//find the elements to connect
dynNodeModel start = null;
dynNodeModel end = null;
if (badNodes.Contains(guidStart) || badNodes.Contains(guidEnd))
continue;
foreach (dynNodeModel e in ws.Nodes)
{
if (e.GUID == guidStart)
{
start = e;
}
else if (e.GUID == guidEnd)
{
end = e;
}
if (start != null && end != null)
{
break;
}
}
try
{
if (start != null && end != null && start != end)
{
var newConnector = new dynConnectorModel(
start, end,
startIndex, endIndex,
portType, false
);
ws.Connectors.Add(newConnector);
}
}
catch
{
DynamoCommands.WriteToLogCmd.Execute(string.Format("ERROR : Could not create connector between {0} and {1}.", start.NickName, end.NickName));
}
}
#endregion
#region instantiate notes
if (nNodesList != null)
{
foreach (XmlNode note in nNodesList.ChildNodes)
{
XmlAttribute textAttrib = note.Attributes[0];
XmlAttribute xAttrib = note.Attributes[1];
XmlAttribute yAttrib = note.Attributes[2];
string text = textAttrib.Value;
double x = Convert.ToDouble(xAttrib.Value);
double y = Convert.ToDouble(yAttrib.Value);
//dynNoteView n = Bench.AddNote(text, x, y, ws);
//Bench.AddNote(text, x, y, ws);
var paramDict = new Dictionary<string, object>();
paramDict.Add("x", x);
paramDict.Add("y", y);
paramDict.Add("text", text);
paramDict.Add("workspace", ws);
dynSettings.Controller.DynamoViewModel.AddNoteCommand.Execute(paramDict);
}
}
#endregion
foreach (dynNodeModel e in ws.Nodes)
e.EnableReporting();
ws.FilePath = xmlPath;
controller.PackageManagerClient.LoadPackageHeader(def, funName);
var expression = CompileFunction(def);
controller.FSchemeEnvironment.DefineSymbol(def.FunctionId.ToString(), expression);
}
catch (Exception ex)
{
DynamoCommands.WriteToLogCmd.Execute("There was an error opening the workbench.");
DynamoCommands.WriteToLogCmd.Execute(ex);
def = null;
return false;
}
return true;
}
private void Connect(object parameters)
{
//make the connector model
var end = parameters as dynPortModel;
_model = dynConnectorModel.Make(_activeStartPort.Owner, end.Owner, _activeStartPort.Index, end.Index, 0);
if (_model == null) return;
_model.Connected += ModelConnected;
_model.Start.PropertyChanged += Start_PropertyChanged;
_model.End.PropertyChanged += End_PropertyChanged;
dynSettings.Controller.DynamoViewModel.Model.PropertyChanged += Model_PropertyChanged;
dynSettings.Controller.DynamoViewModel.PropertyChanged += DynamoViewModel_PropertyChanged;
IsHitTestVisible = false;
}
public bool OpenWorkbench(string xmlPath)
{
Log("Opening home workspace " + xmlPath + "...");
CleanWorkbench();
try
{
#region read xml file
var xmlDoc = new XmlDocument();
xmlDoc.Load(xmlPath);
foreach (XmlNode node in xmlDoc.GetElementsByTagName("dynWorkspace"))
{
foreach (XmlAttribute att in node.Attributes)
{
if (att.Name.Equals("X"))
{
_model.CurrentSpace.X = Convert.ToDouble(att.Value);
}
else if (att.Name.Equals("Y"))
{
_model.CurrentSpace.Y = Convert.ToDouble(att.Value);
}
}
}
XmlNodeList elNodes = xmlDoc.GetElementsByTagName("dynElements");
XmlNodeList cNodes = xmlDoc.GetElementsByTagName("dynConnectors");
XmlNodeList nNodes = xmlDoc.GetElementsByTagName("dynNotes");
XmlNode elNodesList = elNodes[0];
XmlNode cNodesList = cNodes[0];
XmlNode nNodesList = nNodes[0];
//if there is any problem loading a node, then
//add the node's guid to the bad nodes collection
//so we can avoid attempting to make connections to it
List<Guid> badNodes = new List<Guid>();
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];
XmlAttribute lacingAttrib = null;
if (elNode.Attributes.Count > 5)
{
lacingAttrib = elNode.Attributes[5];
}
string typeName = typeAttrib.Value;
//test the GUID to confirm that it is non-zero
//if it is zero, then we have to fix it
//this will break the connectors, but it won't keep
//propagating bad GUIDs
var guid = new Guid(guidAttrib.Value);
if (guid == Guid.Empty)
{
guid = Guid.NewGuid();
}
string nickname = nicknameAttrib.Value;
double x = Convert.ToDouble(xAttrib.Value);
double y = Convert.ToDouble(yAttrib.Value);
if (typeName.StartsWith("Dynamo.Elements."))
typeName = "Dynamo.Nodes." + typeName.Remove(0, 16);
TypeLoadData tData;
Type t;
if (!Controller.BuiltInTypesByName.TryGetValue(typeName, out tData))
{
//try and get a system type by this name
t = Type.GetType(typeName);
//if we still can't find the type, try the also known as attributes
if(t == null)
{
//try to get the also known as values
foreach (KeyValuePair<string, TypeLoadData> kvp in Controller.BuiltInTypesByName)
{
var akaAttribs = kvp.Value.Type.GetCustomAttributes(typeof(AlsoKnownAsAttribute), false);
if (akaAttribs.Count() > 0)
{
if ((akaAttribs[0] as AlsoKnownAsAttribute).Values.Contains(typeName))
{
Log(string.Format("Found matching node for {0} also known as {1}", kvp.Key , typeName));
t = kvp.Value.Type;
}
}
}
}
if (t == null)
{
Log("Could not load node of type: " + typeName);
Log("Loading will continue but nodes might be missing from your workflow.");
//return false;
badNodes.Add(guid);
continue;
}
}
else
t = tData.Type;
dynNodeModel el = CreateInstanceAndAddNodeToWorkspace(
t, nickname, guid, x, y,
_model.CurrentSpace
);
if (lacingAttrib != null)
{
LacingStrategy lacing = LacingStrategy.Disabled;
Enum.TryParse(lacingAttrib.Value, out lacing);
el.ArgumentLacing = lacing;
}
el.DisableReporting();
el.LoadElement(elNode);
if (ViewingHomespace)
el.SaveResult = true;
if (el is dynFunction)
{
var fun = el as dynFunction;
//argument lacing on functions should be set to disabled
//by default in the constructor, but for any workflow saved
//before this was the case, we need to ensure it here.
el.ArgumentLacing = LacingStrategy.Disabled;
// we've found a custom node, we need to attempt to load its guid.
// if it doesn't exist (i.e. its a legacy node), we need to assign it one,
// deterministically
Guid funId;
try
{
funId = Guid.Parse(fun.Symbol);
}
catch
{
funId = GuidUtility.Create(GuidUtility.UrlNamespace, nicknameAttrib.Value);
fun.Symbol = funId.ToString();
}
fun.Definition = dynSettings.Controller.CustomNodeLoader.GetFunctionDefinition(funId);
}
}
OnRequestLayoutUpdate(this, EventArgs.Empty);
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];
var guidStart = new Guid(guidStartAttrib.Value);
var guidEnd = new Guid(guidEndAttrib.Value);
int startIndex = Convert.ToInt16(intStartAttrib.Value);
int endIndex = Convert.ToInt16(intEndAttrib.Value);
int portType = Convert.ToInt16(portTypeAttrib.Value);
//find the elements to connect
dynNodeModel start = null;
dynNodeModel end = null;
if (badNodes.Contains(guidStart) || badNodes.Contains(guidEnd))
continue;
foreach (dynNodeModel e in _model.Nodes)
{
if (e.GUID == guidStart)
{
start = e;
}
else if (e.GUID == guidEnd)
{
end = e;
}
if (start != null && end != null)
{
break;
}
}
if (start != null && end != null && start != end)
{
var newConnector = new dynConnectorModel(start, end,
startIndex, endIndex, portType);
_model.CurrentSpace.Connectors.Add(newConnector);
}
}
#region instantiate notes
if (nNodesList != null)
{
foreach (XmlNode note in nNodesList.ChildNodes)
{
XmlAttribute textAttrib = note.Attributes[0];
XmlAttribute xAttrib = note.Attributes[1];
XmlAttribute yAttrib = note.Attributes[2];
string text = textAttrib.Value;
double x = Convert.ToDouble(xAttrib.Value);
double y = Convert.ToDouble(yAttrib.Value);
//dynNoteView n = Bench.AddNote(text, x, y, this.CurrentSpace);
//Bench.AddNote(text, x, y, this.CurrentSpace);
var paramDict = new Dictionary<string, object>();
paramDict.Add("x", x);
paramDict.Add("y", y);
paramDict.Add("text", text);
paramDict.Add("workspace", _model.CurrentSpace);
AddNoteCommand.Execute(paramDict);
}
}
#endregion
foreach (dynNodeModel e in _model.CurrentSpace.Nodes)
e.EnableReporting();
#endregion
_model.HomeSpace.FilePath = xmlPath;
}
catch (Exception ex)
{
Log("There was an error opening the workbench.");
Log(ex);
Debug.WriteLine(ex.Message + ":" + ex.StackTrace);
CleanWorkbench();
return false;
}
return true;
}
void CreateConnection(object parameters)
{
Dictionary<string, object> connectionData = parameters as Dictionary<string, object>;
dynNodeModel start = (dynNodeModel)connectionData["start"];
dynNodeModel end = (dynNodeModel)connectionData["end"];
int startIndex = (int)connectionData["port_start"];
int endIndex = (int)connectionData["port_end"];
dynConnectorModel c = new dynConnectorModel(start, end, startIndex, endIndex, 0);
_model.CurrentSpace.Connectors.Add(c);
}
// PB: This is deprecated, can't do it now, though...
internal bool OpenDefinition(
string xmlPath,
Dictionary<Guid, HashSet<FunctionDefinition>> children,
Dictionary<Guid, HashSet<Guid>> parents)
{
try
{
#region read xml file
var xmlDoc = new XmlDocument();
xmlDoc.Load(xmlPath);
string funName = null;
string category = "";
double cx = DynamoView.CANVAS_OFFSET_X;
double cy = DynamoView.CANVAS_OFFSET_Y;
string id = "";
// load the header
foreach (XmlNode node in xmlDoc.GetElementsByTagName("dynWorkspace"))
{
foreach (XmlAttribute att in node.Attributes)
{
if (att.Name.Equals("X"))
cx = Convert.ToDouble(att.Value);
else if (att.Name.Equals("Y"))
cy = Convert.ToDouble(att.Value);
else if (att.Name.Equals("Name"))
funName = att.Value;
else if (att.Name.Equals("Category"))
category = att.Value;
else if (att.Name.Equals("ID"))
{
id = att.Value;
}
}
}
// we have a dyf and it lacks an ID field, we need to assign it
// a deterministic guid based on its name. By doing it deterministically,
// files remain compatible
if (string.IsNullOrEmpty(id) && !string.IsNullOrEmpty(funName))
{
id = GuidUtility.Create(GuidUtility.UrlNamespace, funName).ToString();
}
#endregion
//If there is no function name, then we are opening a home definition
if (funName == null)
{
//View the home workspace, then open the bench file
if (!ViewingHomespace)
ViewHomeWorkspace(); //TODO: Refactor
return OpenWorkbench(xmlPath);
}
else if (Controller.CustomNodeLoader.Contains(funName))
{
Log("ERROR: Could not load definition for \"" + funName +
"\", a node with this name already exists.");
return false;
}
Log("Loading node definition for \"" + funName + "\" from: " + xmlPath);
FunctionDefinition def = NewFunction(
Guid.Parse(id),
funName,
category.Length > 0
? category
: BuiltinNodeCategories.SCRIPTING_CUSTOMNODES,
false, cx, cy
);
dynWorkspaceModel ws = def.Workspace;
//this.Log("Opening definition " + xmlPath + "...");
XmlNodeList elNodes = xmlDoc.GetElementsByTagName("dynElements");
XmlNodeList cNodes = xmlDoc.GetElementsByTagName("dynConnectors");
XmlNodeList nNodes = xmlDoc.GetElementsByTagName("dynNotes");
XmlNode elNodesList = elNodes[0];
XmlNode cNodesList = cNodes[0];
XmlNode nNodesList = nNodes[0];
var dependencies = new Stack<Guid>();
#region instantiate nodes
//if there is any problem loading a node, then
//add the node's guid to the bad nodes collection
//so we can avoid attempting to make connections to it
List<Guid> badNodes = new List<Guid>();
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];
XmlAttribute lacingAttrib = null;
if(elNode.Attributes.Count > 5)
{
lacingAttrib = elNode.Attributes[5];
}
string typeName = typeAttrib.Value;
string oldNamespace = "Dynamo.Elements.";
if (typeName.StartsWith(oldNamespace))
typeName = "Dynamo.Nodes." + typeName.Remove(0, oldNamespace.Length);
//test the GUID to confirm that it is non-zero
//if it is zero, then we have to fix it
//this will break the connectors, but it won't keep
//propagating bad GUIDs
var guid = new Guid(guidAttrib.Value);
if (guid == Guid.Empty)
{
guid = Guid.NewGuid();
}
string nickname = nicknameAttrib.Value;
double x = Convert.ToDouble(xAttrib.Value);
double y = Convert.ToDouble(yAttrib.Value);
//Type t = Type.GetType(typeName);
TypeLoadData tData;
Type t;
if (!Controller.BuiltInTypesByName.TryGetValue(typeName, out tData))
{
//try and get a system type by this name
t = Type.GetType(typeName);
//if we still can't find the type, try the also known as attributes
if (t == null)
{
//try to get the also known as values
foreach (KeyValuePair<string, TypeLoadData> kvp in Controller.BuiltInTypesByName)
{
var akaAttribs = kvp.Value.Type.GetCustomAttributes(typeof(AlsoKnownAsAttribute), false);
if (akaAttribs.Count() > 0)
{
if ((akaAttribs[0] as AlsoKnownAsAttribute).Values.Contains(typeName))
{
Log(string.Format("Found matching node for {0} also known as {1}", kvp.Key, typeName));
t = kvp.Value.Type;
}
}
}
}
if (t == null)
{
Log("Could not load node of type: " + typeName);
Log("Loading will continue but nodes might be missing from your workflow.");
//return false;
badNodes.Add(guid);
continue;
}
}
else
t = tData.Type;
dynNodeModel el = CreateInstanceAndAddNodeToWorkspace(t, nickname, guid, x, y, ws);
if (lacingAttrib != null)
{
LacingStrategy lacing = LacingStrategy.First;
Enum.TryParse(lacingAttrib.Value, out lacing);
el.ArgumentLacing = lacing;
}
if (el == null)
return false;
el.DisableReporting();
el.LoadElement(elNode);
if (el is dynFunction)
{
var fun = el as dynFunction;
// we've found a custom node, we need to attempt to load its guid.
// if it doesn't exist (i.e. its a legacy node), we need to assign it one,
// deterministically
Guid funId;
try
{
funId = Guid.Parse(fun.Symbol);
}
catch
{
funId = GuidUtility.Create(GuidUtility.UrlNamespace, nicknameAttrib.Value);
fun.Symbol = funId.ToString();
}
if (dynSettings.Controller.CustomNodeLoader.IsInitialized(funId))
fun.Definition = dynSettings.Controller.CustomNodeLoader.GetFunctionDefinition(funId);
else
dependencies.Push(funId);
}
}
#endregion
//Bench.WorkBench.UpdateLayout();
OnRequestLayoutUpdate(this, EventArgs.Empty);
#region instantiate connectors
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];
var guidStart = new Guid(guidStartAttrib.Value);
var guidEnd = new Guid(guidEndAttrib.Value);
int startIndex = Convert.ToInt16(intStartAttrib.Value);
int endIndex = Convert.ToInt16(intEndAttrib.Value);
int portType = Convert.ToInt16(portTypeAttrib.Value);
//find the elements to connect
dynNodeModel start = null;
dynNodeModel end = null;
if (badNodes.Contains(guidStart) || badNodes.Contains(guidEnd))
continue;
foreach (dynNodeModel e in ws.Nodes)
{
if (e.GUID == guidStart)
{
start = e;
}
else if (e.GUID == guidEnd)
{
end = e;
}
if (start != null && end != null)
{
break;
}
}
try
{
if (start != null && end != null && start != end)
{
var newConnector = new dynConnectorModel(
start, end,
startIndex, endIndex,
portType, false
);
ws.Connectors.Add(newConnector);
}
}
catch
{
dynSettings.Controller.DynamoViewModel.Log(string.Format("ERROR : Could not create connector between {0} and {1}.", start.GUID, end.GUID));
}
}
#endregion
#region instantiate notes
if (nNodesList != null)
{
foreach (XmlNode note in nNodesList.ChildNodes)
{
XmlAttribute textAttrib = note.Attributes[0];
XmlAttribute xAttrib = note.Attributes[1];
XmlAttribute yAttrib = note.Attributes[2];
string text = textAttrib.Value;
double x = Convert.ToDouble(xAttrib.Value);
double y = Convert.ToDouble(yAttrib.Value);
var paramDict = new Dictionary<string, object>();
paramDict.Add("x", x);
paramDict.Add("y", y);
paramDict.Add("text", text);
paramDict.Add("workspace", ws);
//DynamoCommands.AddNoteCmd.Execute(paramDict);
dynSettings.Controller.DynamoViewModel.AddNoteCommand.Execute(paramDict);
}
}
#endregion
foreach (dynNodeModel e in ws.Nodes)
e.EnableReporting();
//DynamoModel.hideWorkspace(ws);
ws.FilePath = xmlPath;
bool canLoad = true;
//For each node this workspace depends on...
foreach (Guid dep in dependencies)
{
canLoad = false;
//Dep -> Ws
if (children.ContainsKey(dep))
children[dep].Add(def);
else
children[dep] = new HashSet<FunctionDefinition> { def };
//Ws -> Deps
if (parents.ContainsKey(def.FunctionId))
parents[def.FunctionId].Add(dep);
else
parents[def.FunctionId] = new HashSet<Guid> { dep };
}
if (canLoad)
SaveFunction(def, false);
Controller.PackageManagerClient.LoadPackageHeader(def, funName);
nodeWorkspaceWasLoaded(def, children, parents);
}
catch (Exception ex)
{
Log("There was an error opening the workbench.");
Log(ex);
Debug.WriteLine(ex.Message + ":" + ex.StackTrace);
CleanWorkbench();
return false;
}
return true;
}
private void Connect()
{
if (!dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.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 (_port.Connectors.Count > 0 && _port.Connectors[0].Start != _port)
{
//define the new active connector
var c = new dynConnectorViewModel(_port.Connectors[0].Start);
dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.ActiveConnector = c;
dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.IsConnecting = true;
//disconnect the connector model from its start and end ports
//and remove it from the connectors collection. this will also
//remove the view model
var successfulRemoval = dynSettings.Controller.DynamoViewModel.CurrentSpace.Connectors.Remove(_port.Connectors[0]);
_port.Connectors[0].NotifyConnectedPortsOfDeletion();
Console.WriteLine(successfulRemoval);
}
else
{
try
{
//Create a connector view model to begin drawing
if (_port.PortType != PortType.INPUT)
{
var c = new dynConnectorViewModel(_port);
dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.ActiveConnector = c;
dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.IsConnecting = true;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
else // attempt to complete the connection
{
//don't attempt connection to a port which
//is already connected
if (_port.Connectors.Count > 0)
return;
// create the new connector model
var start = dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.ActiveConnector.ActiveStartPort;
var end = _port;
var newConnectorModel = new dynConnectorModel(start.Owner, end.Owner, start.Index, end.Index, 0);
// Add to the current workspace
dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.Model.Connectors.Add(newConnectorModel);
// Cleanup
dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.IsConnecting = false;
dynSettings.Controller.DynamoViewModel.CurrentSpaceViewModel.ActiveConnector = null;
}
}
