/// <summary>
/// throws ApplicationException if config file corrupt
/// </summary>
public bool UpdateHoliday( string oldName, Holiday toAdd )
{
if( toAdd.Name != oldName &&
HolidayElementFromName( toAdd.Name ).Count() > 0 )
return false;
IEnumerable<XElement> elementsToEdit = HolidayElementFromName( oldName );
if( elementsToEdit.Count() != 1 )
throw new ApplicationException( "Config file corrupted" );
elementsToEdit.First().ReplaceWith( toAdd.ToXml() );
this.Save();
return true;
}
private void SaveHoliday( object sender, EventArgs e )
{
if (HolidayName.Text == "")
{
MessageBox.Show("The holiday must have a name");
return;
}
DateTime LastDay = JustDate( HolidayLastDay.Value );
DateTime FirstDay = JustDate( HolidayFirstDay.Value );
if( LastDay < FirstDay ) {
MessageBox.Show( @"The first day of the holiday must be before or on the same day
as the last day of the holiday." );
return;
}
Holiday toAdd = new Holiday( HolidayName.Text, FirstDay, LastDay );
Holiday old = null;
if( isEdit ) old = ( Holiday )HolidayList.SelectedItem;
if( isEdit ? !config.UpdateHoliday( old.Name, toAdd )
: !config.AddHoliday( toAdd ) ) {
MessageBox.Show( @"That name is already in use. Either select that holiday in the list
above and edit it or choose a name for this holiday." );
HolidayName.Focus();
return;
}
AddEditHoliday.Enabled = false;
LoadHolidayList();
if( isEdit ) CurrentHolidayList.Items.Clear();
}
/// <summary>
/// Returns whether the name conflicts
/// </summary>
public bool AddHoliday( Holiday h )
{
if( HolidayElementFromName( h.Name ).Count() > 0 )
return false;
theDoc.Root.Element( "holidays" ).Add( h.ToXml() );
this.Save();
return true;
}