/// <summary>
/// Update a tag named prefix + index
/// Create one if it doesn't exist, using tag prefix + (index-1) as template.
/// </summary>
/// <param name="prefix">Start of tag name. Typically ends with '_'</param>
/// <param name="index">Index added to end of name</param>
/// <param name="plc_tag">PLC tag to connect to</param>
public void AddIndexedTag(string prefix, int index, string plc_tag, DataType type = null)
{
string tag_name = prefix + index.ToString();
XmlElement tag = tag_list.SelectSingleNode("Hmi.Tag.Tag[AttributeList/Name/text()='" + tag_name + "']") as XmlElement;
if (tag == null)
{
string template_name = prefix + (index - 1).ToString();
XmlElement template = tag_list.SelectSingleNode("Hmi.Tag.Tag[AttributeList/Name/text()='" + template_name + "']") as XmlElement;
if (template == null)
{
throw new Exception("No tag " + template_name + " to use as template for tag " + tag_name);
}
tag = template.CloneNode(true) as XmlElement;
tag_list.InsertAfter(tag, template);
XMLUtil.ReplaceID(tag, idset);
// Change name
XmlElement name_elem = tag.SelectSingleNode("AttributeList/Name") as XmlElement;
name_elem.InnerText = tag_name;
}
// Erase all type information and let the import figure it out
XmlElement attr_list = tag.SelectSingleNode("AttributeList") as XmlElement;
XmlElement length_elem = attr_list.SelectSingleNode("Length") as XmlElement;
if (length_elem != null)
{
attr_list.RemoveChild(length_elem);
}
if (type != null)
{
XmlElement coding_elem = attr_list.SelectSingleNode("Coding") as XmlElement;
if (coding_elem != null)
{
if (type is REAL || type is LREAL)
{
coding_elem.InnerText = "IEEE754Float";
}
else
{
coding_elem.InnerText = "Binary";
}
}
}
XmlElement link_list = tag.SelectSingleNode("LinkList") as XmlElement;
XmlElement hmi_type_elem = link_list.SelectSingleNode("HmiDataType") as XmlElement;
if (hmi_type_elem != null)
{
link_list.RemoveChild(hmi_type_elem);
}
XmlElement type_elem = link_list.SelectSingleNode("DataType") as XmlElement;
if (type_elem != null)
{
link_list.RemoveChild(type_elem);
}
// Set PLC tag
XmlElement controller_tag_elem = tag.SelectSingleNode("LinkList/ControllerTag/Name") as XmlElement;
if (controller_tag_elem == null)
{
throw new Exception("No PLC tag for HMI tag " + tag_name);
}
controller_tag_elem.InnerText = plc_tag;
}
public static FileInfo buildFile(string table_name, IEnumerable <Constant> constants)
{
XmlWriterSettings settings = new XmlWriterSettings {
ConformanceLevel = ConformanceLevel.Document,
Encoding = Encoding.UTF8,
Indent = true
};
FileInfo file;
using (Stream stream = TempFile.Open("AlarmConst", "xml", out file))
{
int id = 0;
XmlWriter w = XmlWriter.Create(stream, settings);
w.WriteStartDocument();
w.WriteStartElement("Document");
w.WriteStartElement("DocumentInfo");
w.WriteEndElement(); // DocumentInfo
w.WriteStartElement("SW.Tags.PlcTagTable");
w.WriteAttributeString("ID", (id++).ToString());
w.WriteStartElement("AttributeList");
XMLUtil.SimpleValue(w, "Name", table_name);
w.WriteEndElement(); // AttributeList
w.WriteStartElement("ObjectList");
foreach (Constant c in constants)
{
w.WriteStartElement("SW.Tags.PlcUserConstant");
w.WriteAttributeString("ID", (id++).ToString());
w.WriteAttributeString("CompositionName", "UserConstants");
w.WriteStartElement("AttributeList");
XMLUtil.SimpleValue(w, "DataTypeName", "Int");
XMLUtil.SimpleValue(w, "Name", c.Name);
XMLUtil.SimpleValue(w, "Value", c.Value.ToString());
w.WriteEndElement(); // AttributeList
w.WriteStartElement("ObjectList");
w.WriteStartElement("MultilingualText");
w.WriteAttributeString("ID", (id++).ToString());
w.WriteAttributeString("CompositionName", "Comment");
w.WriteStartElement("ObjectList");
w.WriteStartElement("MultilingualTextItem");
w.WriteAttributeString("ID", (id++).ToString());
w.WriteAttributeString("CompositionName", "Items");
w.WriteStartElement("AttributeList");
XMLUtil.SimpleValue(w, "Culture", "sv-SE");
XMLUtil.SimpleValue(w, "Text", c.Comment);
w.WriteEndElement(); // AttributeList
w.WriteEndElement(); // MultilingualTextItem
w.WriteEndElement(); // ObjectList
w.WriteEndElement(); // MultilingualText
w.WriteEndElement(); // ObjectList
w.WriteEndElement(); // SW.Tags.PlcUserConstant
}
w.WriteEndElement(); // ObjectList
w.WriteEndElement(); // SW.Tags.PlcUserConstant
w.WriteEndElement(); // Document
//w.Close();
}
return(file);
}