/// <summary>
/// Get a collection of HllFileInfo objects matching the given filterset.
/// The collection is a Dictionary. The key of each item is the file
/// name (without the directory) and the value of each item is
/// the corresponding HllFileInfo object.
///
/// This is so that UI lists can use bare filenames as keys
/// to the associated HllFileInfo objects.
///
/// </summary>
/// <param name="fs"></param>
/// <returns></returns>
internal Dictionary <string, HllFileInfo> FilesMatchingFilter(FilterSet fs)
{
Dictionary <string, HllFileInfo> retDict = new Dictionary <string, HllFileInfo>();
foreach (HllFileInfo hfi in this.MatchingHFis(fs))
{
retDict[hfi.BareName] = hfi;
}
return(retDict);
}
/// <summary>
/// Get list of full filespecs of
/// files matching the given filterset.
/// </summary>
/// <param name="fs"></param>
/// <returns></returns>
public List <string> FilePathsMatchingFilter(FilterSet fs)
{
List <string> retList = new List <string>();
foreach (HllFileInfo item in this.MatchingHFis(fs))
{
if (File.Exists(item.FullPath))
{
retList.Add(item.FullPath);
}
}
return(retList);
}
/// <summary>
/// Return list of HllFileInfo objects matching
/// the given filterset.
///
/// </summary>
/// <param name="fs"></param>
/// <returns></returns>
private List <HllFileInfo> MatchingHFis(FilterSet fs)
{
List <HllFileInfo> retList = new List <HllFileInfo>();
foreach (HllFileInfo hfi in RegularHllFiles)
{
if (PassesFilter(hfi, fs))
{
retList.Add(hfi);
}
}
if (fs.IncludeBackupsFilter)
{
foreach (HllFileInfo hfi in BackupHllFiles)
{
if (PassesFilter(hfi, fs))
{
retList.Add(hfi);
}
}
}
return(retList);
}
/// <summary>
/// The UI allows users to select which files to see in the list. Filtering
/// is possible by year, donor, and file type, and users can also choose
/// whether or not to display backup files.
/// </summary>
/// <param name="fullpath"></param>
/// <returns></returns>
private bool PassesFilter(HllFileInfo hfi, FilterSet filterset)
{
if (!hfi.IsValidHLL)
{
return(false);
}
if (hfi.Year != this.filterset.YearFilter)
{
return(false);
}
if (!this.filterset.TypeFIlter.Matches(hfi.Type))
{
return(false);
}
if (hfi.HasNoDonor)
{
return(true);
}
else
{
return(DonorMatches(hfi, filterset.DonorFilter));
}
}