// -------------------------------------------------------------------------------------
/// <summary>
/// Constructor loads properties from an XML string
/// </summary>
/// <param name="XML">XML string with property values</param>
// -------------------------------------------------------------------------------------
public QuestionListItems(string XML)
: base()
{
try
{
m_Width = ControlWidth;
m_Rows = Rows;
if (XML == string.Empty)
return;
XmlDocument doc = new XmlDocument();
doc.LoadXml(XML);
if (doc.DocumentElement == null)
return;
if (doc.DocumentElement.Name != LIST_ROOT)
throw new InvalidParameterException("Invalid root element: " + XML);
if (doc.DocumentElement.SelectSingleNode("./" + ORDER) != null)
{
m_ItemOrder = (ListItemOrder) Enum.Parse(typeof (ListItemOrder),
doc.DocumentElement.SelectSingleNode("./" + ORDER).InnerXml);
}
if (doc.DocumentElement.SelectSingleNode("./" + WIDTH) != null)
{
m_Width = Convert.ToInt32(doc.DocumentElement.SelectSingleNode("./" + WIDTH).InnerXml);
}
if (doc.DocumentElement.SelectSingleNode("./" + ROWS) != null)
{
m_Rows = Convert.ToInt32(doc.DocumentElement.SelectSingleNode("./" + ROWS).InnerXml);
}
if (doc.DocumentElement.SelectSingleNode("./" + ITEMS) != null)
{
XmlNode listNode = doc.DocumentElement.SelectSingleNode("./" + ITEMS);
foreach (XmlNode QuestionListItemNode in listNode.ChildNodes)
{
QuestionListItem questionListItem = new QuestionListItem(QuestionListItemNode);
Add(questionListItem);
}
}
}
catch (Exception e)
{
if (e is InvalidParameterException)
throw e;
else
{
InvalidParameterException invalidParameterException =
new InvalidParameterException(XML);
throw invalidParameterException;
}
}
}
// -------------------------------------------------------------------------------------
/// <summary>
/// Parses the input XML and set class properties
/// </summary>
/// <param name="XML">XML string wich contains class properties</param>
// -------------------------------------------------------------------------------------
private void ParseQuestionConstraint(string XML)
{
if (XML == string.Empty)
return;
try
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(XML);
ParseQuestionConstraint(doc);
m_XML = XML;
}
catch (Exception e)
{
InvalidParameterException invalidParameterException =
new InvalidParameterException(e.Message);
throw invalidParameterException;
}
}