public void UpdateAvailableFileFilters(IEnumerable <string> availableFileFilters)
{
if (availableFileFilters != null)
{
AvailableFileFilters = new ReadOnlyCollection <string>(availableFileFilters.ToList());
if (!ActiveFileFilters.Any())
{
ActiveFileFilters = new ObservableCollection <string>(availableFileFilters);
}
}
}
private bool ItemFilter(object item)
{
var searchResult = (SearchResultViewModel)item;
try
{
string regexFileFriendlyFilter = RegexHelper.WildcardToRegex(FileFilterExpression);
string regexDirectoryFriendlyFilter = RegexHelper.WildcardToRegex(DirectoryFilterExpression);
bool isFileFilterValid = string.IsNullOrEmpty(FileFilterExpression) || RegexHelper.IsValidRegex(RegexHelper.WildcardToRegex(FileFilterExpression));
bool isDirectoryFilterValid = string.IsNullOrEmpty(DirectoryFilterExpression) || RegexHelper.IsValidRegex(RegexHelper.WildcardToRegex(DirectoryFilterExpression));
bool hasValidExtension = !ActiveFileFilters.Any() || ActiveFileFilters.Any(cur => cur.TrimStart('*') == searchResult.Extension);
return(hasValidExtension &&
(!isFileFilterValid || Regex.IsMatch(searchResult.Filename, regexFileFriendlyFilter, RegexOptions.IgnoreCase)) &&
(!isDirectoryFilterValid || Regex.IsMatch(searchResult.Directory, regexDirectoryFriendlyFilter, RegexOptions.IgnoreCase)));
}
catch
{
return(true);
}
}