protected override void LoadNode(XmlNode nodeElement)
{
foreach (XmlNode subNode in nodeElement.ChildNodes)
{
if (subNode.Name.Equals("Name"))
{
NickName = subNode.Attributes[0].Value;
}
}
foreach (XmlNode subNode in nodeElement.ChildNodes)
{
if (subNode.Name.Equals("ID"))
{
Symbol = subNode.Attributes[0].Value;
Guid funcId;
if (!VerifySymbol(out funcId))
{
LoadProxyCustomNode(funcId);
return;
}
}
}
foreach (XmlNode subNode in nodeElement.ChildNodes)
{
if (subNode.Name.Equals("Outputs"))
{
int i = 0;
foreach (XmlNode outputNode in subNode.ChildNodes)
{
var data = new PortData(
outputNode.Attributes[0].Value, "Output #" + (i + 1), typeof(object));
if (OutPortData.Count > i)
{
OutPortData[i] = data;
}
else
{
OutPortData.Add(data);
}
i++;
}
}
else if (subNode.Name.Equals("Inputs"))
{
int i = 0;
foreach (XmlNode inputNode in subNode.ChildNodes)
{
var data = new PortData(
inputNode.Attributes[0].Value, "Input #" + (i + 1), typeof(object));
if (InPortData.Count > i)
{
InPortData[i] = data;
}
else
{
InPortData.Add(data);
}
i++;
}
}
#region Legacy output support
else if (subNode.Name.Equals("Output"))
{
var data = new PortData(
subNode.Attributes[0].Value, "function output", typeof(object));
if (OutPortData.Any())
{
OutPortData[0] = data;
}
else
{
OutPortData.Add(data);
}
}
#endregion
}
RegisterAllPorts();
//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.
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(Symbol);
}
catch (FormatException)
{
funId = GuidUtility.Create(
GuidUtility.UrlNamespace, nodeElement.Attributes["nickname"].Value);
Symbol = funId.ToString();
}
Definition = dynSettings.Controller.CustomNodeManager.GetFunctionDefinition(funId);
}
protected override void DeserializeCore(XmlElement nodeElement, SaveContext context)
{
List <XmlNode> childNodes = nodeElement.ChildNodes.Cast <XmlNode>().ToList();
if (!Controller.IsInSyncWithNode(this))
{
Controller.SyncNodeWithDefinition(this);
OnNodeModified();
}
else if (Controller.Definition == null || Controller.Definition.IsProxy)
{
foreach (XmlNode subNode in childNodes)
{
if (subNode.Name.Equals("Outputs"))
{
var data =
subNode.ChildNodes.Cast <XmlNode>()
.Select(
(outputNode, i) =>
new
{
data = new PortData(outputNode.Attributes[0].Value, Properties.Resources.ToolTipOutput + (i + 1)),
idx = i
});
foreach (var dataAndIdx in data)
{
if (OutPortData.Count > dataAndIdx.idx)
{
OutPortData[dataAndIdx.idx] = dataAndIdx.data;
}
else
{
OutPortData.Add(dataAndIdx.data);
}
}
}
else if (subNode.Name.Equals("Inputs"))
{
var data =
subNode.ChildNodes.Cast <XmlNode>()
.Select(
(inputNode, i) =>
new
{
data = new PortData(inputNode.Attributes[0].Value, Properties.Resources.ToolTipInput + (i + 1)),
idx = i
});
foreach (var dataAndIdx in data)
{
if (InPortData.Count > dataAndIdx.idx)
{
InPortData[dataAndIdx.idx] = dataAndIdx.data;
}
else
{
InPortData.Add(dataAndIdx.data);
}
}
}
#region Legacy output support
else if (subNode.Name.Equals("Output"))
{
var data = new PortData(subNode.Attributes[0].Value, Properties.Resources.ToolTipFunctionOutput);
if (OutPortData.Any())
{
OutPortData[0] = data;
}
else
{
OutPortData.Add(data);
}
}
#endregion
}
RegisterAllPorts();
}
base.DeserializeCore(nodeElement, context); //Base implementation must be called
XmlNode nameNode = childNodes.LastOrDefault(subNode => subNode.Name.Equals("Name"));
if (nameNode != null && nameNode.Attributes != null)
{
NickName = nameNode.Attributes["value"].Value;
}
XmlNode descNode = childNodes.LastOrDefault(subNode => subNode.Name.Equals("Description"));
if (descNode != null && descNode.Attributes != null)
{
Description = descNode.Attributes["value"].Value;
}
}
