private void AddMetric(Point position, MetricManager.MetricInfo metricInfo)
{
var viewPosition = nodeGraphPanel.ControlToWorld(position);
if (GraphRunning)
{
if (AskStopGraph())
{
StopGraph();
}
else
{
return;
}
}
if (metricInfo != null)
{
NodeSystemLib2.Node metric = null;
try {
metric = metricInfo.CreateInstance(_graph);
} catch (Exception e) {
GlobalSettings.Instance.UserLog.Add(new GraphMessage(Graph, LogMessage.LogType.Error, $"In AddMetric for {metricInfo.Name}: {e}"));
return;
}
var graphNode = new GraphNode(
node: metric,
factoryId: metricInfo.FactoryGuid,
uniqueName: metricInfo.UniqueName,
pX: viewPosition.X,
pY: viewPosition.Y
);
nodeGraphPanel.Nodes.Add(graphNode);
}
else
{
throw new ArgumentNullException();
}
}
public static GraphNode FromXml(XmlNode node, Graph g)
{
if (node?.Attributes == null)
{
return(null);
}
var x = node.TryGetAttribute("x", otherwise: "0");
var y = node.TryGetAttribute("y", otherwise: "0");
var id = node.TryGetAttribute("id", otherwise: "");
var uniqueName = node.TryGetAttribute("uniqueName", otherwise: "");
var factoryId = new Guid(node.TryGetAttribute("factoryId", otherwise: Guid.Empty.ToString()));
//XmlNode settings = null;
//for (int i = 0; i < factorySettings.Count; i++) {
// if (Guid.Parse(factorySettings[i].TryGetAttribute("guid", Guid.Empty.ToString())).Equals(factoryId)) {
// settings = factorySettings[i];
// }
//}
var nodeInfo = node.SelectSingleNode("node");
if (nodeInfo?.Attributes == null)
{
return(null);
}
var type = nodeInfo.TryGetAttribute("type", otherwise: "");
var descr = nodeInfo.TryGetAttribute("description", otherwise: "");
MetricManager.MetricInfo info = null;
Node metricNode = null;
Exception ex = null;
foreach (var metric in GlobalSettings.Instance.MetricManager.Metrics)
{
if (metric.UniqueName == uniqueName && metric.FactoryGuid == factoryId)
{
try {
metricNode = metric.CreateInstance(g, nodeInfo);
metricNode.Description = descr;
} catch (Exception e) {
ex = e;
}
break;
}
}
if (metricNode == null)
{
metricNode = new Metrics.MetricUnknownNode(nodeInfo, g);
metricNode.Description = descr;
if (ex != null)
{
GlobalSettings.Instance.UserLog.Add(new NodeMessage(metricNode, LogMessage.LogType.Error, $"Error while creating instance of type {type}. Exception: {ex}"));
}
else
{
GlobalSettings.Instance.UserLog.Add(new NodeMessage(metricNode, LogMessage.LogType.Error, $"Error while creating instance of type {type}. Device not connected/Plugin missing?"));
}
}
return(new GraphNode(metricNode, factoryId, uniqueName, int.Parse(x), int.Parse(y), id));
}
