private void DecodeFieldList()
{
SPFieldDefinitionCollection oTemplateFields = SPFieldListTemplates.GetTemplateFieldList(this.ServerTemplate);
_Fields = new SPFieldDefinitionCollection();
_Fields.AddRange(SPFieldListTemplates.GetBasicFieldList(this.ListType)); // add the default definitions available no matter the list template.
if (_ListData.IsNull("Fields"))
{
// the field definition is NULL, that means no customization has been applied to the server template for this list.
//
// We get the default field definitions for the list template.
_Fields.AddRange(oTemplateFields);
}
else
{
// the field definitions are specified, that means the default server template has been override with custom metadata.
// there 2 main node types for field definitions.
// FieldRef and Field. I understood that FieldRef maps to a server template default definition and
// Field is a custom definition.
// For each fieldref, we try to get its definition from the template field definitions.
// for each field, we are going to create a new instance of field definition based on the element attributes.
System.Xml.XmlDocument oDoc = null;
string sXML = "<Fields>" + _ListData["Fields"].ToString() + "</Fields>";
//note: for an unknown reason, oDoc.LoadXml fails in debug (within the VS IDE)
// I get rid of the error by freeing memory (closing other opened application).
// That piss me off and I discovered that when using an XmlReader it does not generate this error...
oDoc = new System.Xml.XmlDocument();
System.IO.StringReader oXmlReader = new System.IO.StringReader(sXML);
oDoc.Load(oXmlReader);
System.Xml.XmlNodeList oNodes = oDoc.SelectNodes("Fields/*");
if (oNodes != null)
{
foreach (System.Xml.XmlElement oFieldXmlNode in oNodes)
{
SPFieldDefinition oDefinition = null;
string sAttributeValue = null;
switch (oFieldXmlNode.Name)
{
case "Field":
if (oFieldXmlNode.GetAttribute("Type") == "URL")
{
oDefinition = new SPUrlFieldDefinition(
oFieldXmlNode.GetAttribute("DisplayName"),
oFieldXmlNode.GetAttribute("Name"),
new string[] { oFieldXmlNode.GetAttribute("ColName"), oFieldXmlNode.GetAttribute("ColName2") });
}
else if (oFieldXmlNode.GetAttribute("ColName").Length != 0)
{
oDefinition = new SPFieldDefinition(
oFieldXmlNode.GetAttribute("DisplayName"),
oFieldXmlNode.GetAttribute("Name"),
oFieldXmlNode.GetAttribute("ColName"));
}
break;
case "FieldRef":
sAttributeValue = oFieldXmlNode.GetAttribute("ColName");
string sName = oFieldXmlNode.GetAttribute("Name");
if (sAttributeValue != null && sAttributeValue.Length > 0)
{
// we have a ColName value, we use it.
string sDisplayName = sName.Replace("_x0020_", " ");
oDefinition = new SPFieldDefinition(sDisplayName, sName, sAttributeValue);
}
else
{
// we do not have a ColName value.
// we search the server template definition to get the default column mapping
oDefinition = oTemplateFields.FindByInternalName(sName);
}
break;
}
if (oDefinition != null && _Fields.FindByInternalName(oDefinition.InternalName) == null)
{
_Fields.Add(oDefinition);
}
}
}
}
}
private void DecodeFieldList()
{
SPFieldDefinitionCollection oTemplateFields = SPFieldListTemplates.GetTemplateFieldList(this.ServerTemplate);
_Fields = new SPFieldDefinitionCollection();
_Fields.AddRange(SPFieldListTemplates.GetBasicFieldList(this.ListType)); // add the default definitions available no matter the list template.
if (_ListData.IsNull("Fields"))
{
// the field definition is NULL, that means no customization has been applied to the server template for this list.
//
// We get the default field definitions for the list template.
_Fields.AddRange(oTemplateFields);
}
else
{
// the field definitions are specified, that means the default server template has been override with custom metadata.
// there 2 main node types for field definitions.
// FieldRef and Field. I understood that FieldRef maps to a server template default definition and
// Field is a custom definition.
// For each fieldref, we try to get its definition from the template field definitions.
// for each field, we are going to create a new instance of field definition based on the element attributes.
System.Xml.XmlDocument oDoc = null;
string sXML = "<Fields>" + _ListData["Fields"].ToString() + "</Fields>";
//note: for an unknown reason, oDoc.LoadXml fails in debug (within the VS IDE)
// I get rid of the error by freeing memory (closing other opened application).
// That piss me off and I discovered that when using an XmlReader it does not generate this error...
oDoc = new System.Xml.XmlDocument();
System.IO.StringReader oXmlReader = new System.IO.StringReader(sXML);
oDoc.Load(oXmlReader);
System.Xml.XmlNodeList oNodes = oDoc.SelectNodes("Fields/*");
if (oNodes != null)
{
foreach (System.Xml.XmlElement oFieldXmlNode in oNodes)
{
SPFieldDefinition oDefinition = null;
string sAttributeValue = null;
switch (oFieldXmlNode.Name)
{
case "Field":
if (oFieldXmlNode.GetAttribute("Type") == "URL")
oDefinition = new SPUrlFieldDefinition(
oFieldXmlNode.GetAttribute("DisplayName"),
oFieldXmlNode.GetAttribute("Name"),
new string[] { oFieldXmlNode.GetAttribute("ColName"), oFieldXmlNode.GetAttribute("ColName2") });
else if (oFieldXmlNode.GetAttribute("ColName").Length != 0)
oDefinition = new SPFieldDefinition(
oFieldXmlNode.GetAttribute("DisplayName"),
oFieldXmlNode.GetAttribute("Name"),
oFieldXmlNode.GetAttribute("ColName"));
break;
case "FieldRef":
sAttributeValue = oFieldXmlNode.GetAttribute("ColName");
string sName = oFieldXmlNode.GetAttribute("Name");
if (sAttributeValue != null && sAttributeValue.Length > 0)
{
// we have a ColName value, we use it.
string sDisplayName = sName.Replace("_x0020_", " ");
oDefinition = new SPFieldDefinition(sDisplayName, sName, sAttributeValue);
}
else
{
// we do not have a ColName value.
// we search the server template definition to get the default column mapping
oDefinition = oTemplateFields.FindByInternalName(sName);
}
break;
}
if (oDefinition != null && _Fields.FindByInternalName(oDefinition.InternalName) == null)
_Fields.Add(oDefinition);
}
}
}
}