private void AddRule()
{
var rule = new RenameRule
{
Enabled = true,
Contains = "<Contains>",
Format = "<Format>",
Pattern = "<Pattern>",
};
renameRuleBindingSource.Add(rule);
var row = GetRow(rule);
if (row != null)
{
gridRules.ClearSelection();
gridRules.FirstDisplayedScrollingRowIndex = row.Index;
row.Selected = true;
}
}
private static IEnumerable <RenameResult> Run(DirectoryInfo dir, RenameRule rule)
{
if (!dir.Exists)
{
yield break;
}
var files = dir
.EnumerateFiles()
.Where(f => Regex.IsMatch(f.Name, rule.Contains, RegexOptions.IgnoreCase))
.ToArray();
var format = rule.Format;
foreach (var file in files)
{
var regex = new Regex(rule.Pattern, RegexOptions.IgnoreCase);
var m = regex.Match(file.Name);
if (m.Success)
{
var groups = m.Groups.OfType <Group>().ToList();
var values = new Dictionary <int, object>();
var names = regex.GetGroupNames();
foreach (var name in names)
{
var group = m.Groups[name];
var index = groups.IndexOf(group);
var token = $"${name}";
var tokenIndex = format.IndexOf(token);
if (tokenIndex >= 0)
{
var formatIndex = $"{{{index}}}";
var afterToken = tokenIndex + token.Length;
if (afterToken < format.Length && format[afterToken] == '#')
{
// this is a number!
values[index] = $"{int.Parse(group.Value):000}";
token = $"{token}#";
}
format = format.Replace(token, formatIndex);
}
}
var args = groups
.Select((g, i) => values.TryGetValue(i, out object value) ? value : g.Value)
.ToArray();
var filename = string.Format(format, args);
var filepath = Path.Combine(file.Directory.FullName, filename);
var result = new RenameResult(file.Name, filename);
try
{
file.MoveTo(filepath);
}
catch
{
continue;
}
yield return(result);
}
}
}
private DataGridViewRow GetRow(RenameRule rule)
{
return(gridRules.Rows
.OfType <DataGridViewRow>()
.FirstOrDefault(r => ReferenceEquals(r.DataBoundItem, rule)));
}