/// <summary>Appends a field to an existing Formular, with extensive type checking.</summary>
/// <param name="field">The field to be added</param>
/// <param name="isRequired">A bool indicating if the registry should skip informing interested parties about this change.</param>
/// <exception cref="DuplicateFieldException">This exception is thrown if a syntax error prevents the config to be parsed.</exception>
/// <returns>success</returns>
public bool Append(FormularFieldDescriptor field, bool isRequired)
{
if (!fields.ContainsKey(field.Name))
{
fields[field.Name] = field;
field.IsRequired = isRequired;
return(true);
}
else
{
if (!fields[field.Name].Equals(field))
{
throw new DuplicateFieldException("Cannot add new Field \"" + field.ToString() + "\" to Formular [" + this.Name + "]. Field is already defined as \"" + fields[field.Name].ToString() + "\".", field, fields[field.Name]);
}
fields[field.Name].IsRequired |= isRequired;
return(true);
}
}
/// <summary>Constructor, that uses a given message</summary>
/// <param name="formularName">The name of the new Formular.</param>
/// <param name="config">Comma separated Configuration string defining the Formular</param>
public MessageFormular(string formularName, string config) : this()
{
if (string.IsNullOrWhiteSpace(formularName))
{
formularName = DYNAMIC;
}
this.Name = formularName.Trim();
if (string.IsNullOrWhiteSpace(config))
{
return; // nothing to do here. hand back empty Formular
}
string[] configArray = config.Trim().Split(',');
foreach (string binConfig in configArray)
{
var field = new FormularFieldDescriptor(binConfig, true);
fields[field.Name] = field;
}
}
/// <summary>Checks if a field can be appended to an existing Formular, with extensive type checking.</summary>
/// <param name="field">The field to be added</param>
/// <returns>true, if possible to append</returns>
public bool CanAppend(FormularFieldDescriptor field)
{
return(!fields.ContainsKey(field.Name) || fields[field.Name].Equals(field));
}
public DuplicateFieldException(string text, FormularFieldDescriptor fresh, FormularFieldDescriptor old) : base(text)
{
this.Fresh = fresh;
this.Old = old;
}