IMediaFileFilter CreateCtgFilter(XElement xcf)
{
var ctg = xcf.GetAttributeValue(XNames.xnCategory);
var sctgs = xcf.GetAttributeValue(XNames.xaValue);
if (string.IsNullOrEmpty(sctgs))
{
return(null);
}
CtgFilter rz = new CtgFilter()
{
UseNegate = xcf.GetAttributeBool(XNames.xaNegate),
UseAndRule = xcf.GetAttributeBool(XN.xaUseAnd),
Categories = new HashSet <string>(sctgs.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries), StringComparer.InvariantCultureIgnoreCase),
Definition = Project.CategoryDefinitions.FirstOrDefault(r => ctg.Equals(r.Title, StringComparison.InvariantCultureIgnoreCase))
};
if (rz.Definition == null)
{
return(null);
}
return(rz);
}
/// <summary>
/// Gets the filter.
/// </summary>
/// <returns></returns>
public Func <MediaFile, bool> GetFilter()
{
CtgFilter rz = new CtgFilter(this);
return(rz.IsMatching);
}