public override string Validate(string name)
{
string err = base.Validate(name);
if (null != err)
{
return(err);
}
if (_col.Name == name)
{
return(null);
}
else if (_parent.ContainsColumn(name))
{
return("This column name already exists, please choose another name!");
}
else
{
return(null);
}
}
/// <summary>
/// This function searches for patterns like aaa=bbb in the provided string. If it finds such a item, it creates a column named aaa
/// and stores the value bbb at the same position in it as in the text column.
/// </summary>
/// <param name="strg">The string where to search for the patterns described above.</param>
/// <param name="store">The column collection where to store the newly created columns of properties.</param>
/// <param name="index">The index into the column where to store the property value.</param>
public static void ExtractPropertiesFromString(string strg, Altaxo.Data.DataColumnCollection store, int index)
{
string pat;
pat = @"(\S+)=(\S+)";
Regex r = new Regex(pat, RegexOptions.Compiled | RegexOptions.IgnoreCase);
for (Match m = r.Match(strg); m.Success; m = m.NextMatch())
{
string propname = m.Groups[1].ToString();
string propvalue = m.Groups[2].ToString();
// System.Diagnostics.Trace.WriteLine("Found the pair " + propname + " : " + propvalue);
if (!store.ContainsColumn(propname))
{
Altaxo.Data.DataColumn col;
if (Altaxo.Serialization.DateTimeParsing.IsDateTime(propvalue))
{
col = new Altaxo.Data.DateTimeColumn();
}
else if (Altaxo.Serialization.NumberConversion.IsNumeric(propvalue))
{
col = new Altaxo.Data.DoubleColumn();
}
else
{
col = new Altaxo.Data.TextColumn();
}
store.Add(col, propname); // add the column to the collection
}
// now the column is present we can store the value in it.
store[propname][index] = new Altaxo.Data.AltaxoVariant(propvalue);
}
}