/// <summary>
/// Ignoring the stored document, if it exists, loads a new document
/// </summary>
/// <param name="f">The file to load the document from.</param>
public override Document Load(string f)
{
var xmlDoc = new XmlDocument();
var doc = new Document();
bool initialDateSet = false;
xmlDoc.Load( f );
// Interpret nodes
var mainNode = xmlDoc.DocumentElement;
if ( mainNode.Name.ToLower() == TasksTag ) {
foreach(XmlNode node in mainNode.ChildNodes) {
var element = ( node as XmlElement );
if ( element != null ) {
if ( element.Name.ToLower() == TaskTag ) {
string task;
var date = element.Attributes.GetNamedItem( DateTag );
if ( date != null ) {
task = element.InnerText;
} else {
throw new XmlException( "missing date in task" );
}
doc.AddLast();
doc.Modify( doc.CountDates - 1,
DateTime.Parse( date.InnerText ),
task
);
}
else
if ( element.Name.ToLower() == StepsTag ) {
doc.Steps.SetSteps( element.InnerText );
}
else
if ( element.Name.ToLower() == InitialDateTag ) {
DateTime result;
initialDateSet = DateTime.TryParseExact(
element.InnerText,
"yyyy-MM-dd",
CultureInfo.InvariantCulture,
DateTimeStyles.None,
out result );
if ( initialDateSet ) {
doc.InitialDate = result;
}
}
}
}
} else {
throw new XmlException( "missing main node: " + TasksTag );
}
// Finish document configuration
if ( !initialDateSet ) {
if ( doc.CountDates > 0 ) {
doc.InitialDate = doc.GetDate( 0 );
} else {
doc.InitialDate = DateTime.Now;
}
}
this.Document = doc;
return doc;
}
