private void cboHandleMode_SelectedIndexChanged(object sender, EventArgs e)
{
string modeName = this.cboHandleMode.Text;
FileRenameMode mode = (FileRenameMode)Enum.Parse(typeof(FileRenameMode), modeName);
if (InfoHelper.HandleModeDescriptions.ContainsKey(mode))
{
this.lblModeDescription.Text = $"({ InfoHelper.HandleModeDescriptions[mode]})";
}
bool isInsertMode = mode == FileRenameMode.Insert;
bool isExtractMode = mode == FileRenameMode.Extract;
bool isTrimMode = mode == FileRenameMode.Trim;
bool isInsertFolderNameMode = mode == FileRenameMode.InsertFolderName;
this.panelExtract.Enabled = isExtractMode;
this.panelOldChar.Enabled = !isExtractMode && !isInsertMode && !isInsertFolderNameMode;
this.panelNewChar.Enabled = !isExtractMode && !isTrimMode;
this.txtNewChar.Text = isInsertFolderNameMode && !string.IsNullOrEmpty(this.txtFolder.Text) ? new DirectoryInfo(this.txtFolder.Text).Name : "";
this.panelInsert.Enabled = isInsertFolderNameMode || isInsertMode;
this.chkOldCharByExpression.Enabled = mode == FileRenameMode.RemoveOrReplace;
}
private void PreHandleFileName()
{
this.AddFiles();
string oldChar = this.txtOldChar.Text;
string newChar = this.txtNewChar.Text;
FileRenameMode mode = (FileRenameMode)Enum.Parse(typeof(FileRenameMode), this.cboHandleMode.Text);
if (mode == FileRenameMode.RemoveOrReplace || mode == FileRenameMode.Trim)
{
if (string.IsNullOrEmpty(oldChar))
{
MessageBox.Show("The old char can't be empty.");
return;
}
}
else if (mode == FileRenameMode.Insert)
{
if (string.IsNullOrEmpty(newChar))
{
MessageBox.Show("The new char can't be empty.");
return;
}
}
else if (mode == FileRenameMode.Extract)
{
int startPos = (int)this.nudStartPosition.Value;
int endPos = (int)this.nudEndPosition.Value;
if (endPos >= 1 && startPos > endPos)
{
MessageBox.Show("From position must be less than to position.");
}
}
foreach (ListViewItem item in this.lvFile.Items)
{
FileInfo file = item.Tag as FileInfo;
string newFileName = null;
if (this.chkBaseOnNewName.Checked && !string.IsNullOrEmpty(item.SubItems[1].Tag?.ToString()))
{
newFileName = item.SubItems[1].Tag.ToString();
}
FileRenameOption option = new FileRenameOption()
{
Mode = mode,
DoRename = false,
ExcessiveFileName = newFileName,
HandleOldCharByExpression = this.chkOldCharByExpression.Checked,
OldChar = oldChar,
NewChar = newChar,
InsertBeforeMarkChar = this.txtInsertBefore.Text,
InsertAfterMarkChar = this.txtInsertAfter.Text,
NewCharInsertBefore = this.rbNewCharInsertBefore.Checked,
NewCharInsertAfter = this.rbNewCharInsertAfter.Checked,
ExtractByPosition = this.rbExtractByPosition.Checked,
ExtractByExpression = this.rbExtractByExpression.Checked,
ExtractStartPosition = (int)this.nudStartPosition.Value,
ExtractEndPosition = (int)this.nudEndPosition.Value,
ExtractExpression = this.txtExractExpression.Text,
};
FileRenameProcessor processor = new FileRenameProcessor(option);
string errMsg = "";
newFileName = processor.Rename(file, out errMsg);
if (!string.IsNullOrEmpty(errMsg))
{
MessageBox.Show(errMsg);
break;
}
else
{
item.SubItems[1].Tag = Path.GetFileNameWithoutExtension(newFileName);
item.SubItems[1].Text = newFileName;
}
item.ForeColor = file.Name == newFileName ? Color.Black : Color.Blue;
}
}
public string Rename(FileInfo file, out string errMsg)
{
errMsg = "";
FileRenameMode mode = this.Option.Mode;
string oldChar = this.Option.OldChar;
string newChar = this.Option.NewChar;
string fileName = Path.GetFileNameWithoutExtension(file.Name);
string newFileName = "";
if (!string.IsNullOrEmpty(this.Option.ExcessiveFileName))
{
fileName = this.Option.ExcessiveFileName;
}
try
{
if (mode == FileRenameMode.RemoveOrReplace)
{
if (!this.Option.HandleOldCharByExpression)
{
newFileName = fileName.Replace(oldChar, newChar);
}
else
{
if (this.CheckExpression(oldChar, out errMsg))
{
bool matched = false;
string result = this.HandleExpressioin(oldChar, fileName, out matched);
if (matched)
{
newFileName = fileName.Replace(result, newChar);
}
else
{
newFileName = result;
}
}
else
{
return(file.Name);
}
}
}
else if (mode == FileRenameMode.Trim)
{
newFileName = fileName.Trim(oldChar.ToArray());
}
else if (mode == FileRenameMode.Insert || mode == FileRenameMode.InsertFolderName)
{
string insertChar = newChar;
string insertBeforeChar = this.Option.InsertBeforeMarkChar;
string insertAfterChar = this.Option.InsertAfterMarkChar;
int insertBeforeIndex = -1;
int insertAfterIndex = -1;
if (!string.IsNullOrEmpty(insertBeforeChar))
{
insertBeforeIndex = fileName.IndexOf(insertBeforeChar);
}
if (!string.IsNullOrEmpty(insertAfterChar))
{
insertAfterIndex = fileName.IndexOf(insertAfterChar);
}
if (this.Option.NewCharInsertBefore)
{
if (insertBeforeIndex != -1)
{
newFileName = fileName.Substring(0, insertBeforeIndex) + newChar + fileName.Substring(insertBeforeIndex);
}
else
{
newFileName = newChar + fileName;
}
}
else
{
if (insertAfterIndex != -1)
{
newFileName = fileName.Substring(0, insertAfterIndex + insertAfterChar.Length) + newChar + fileName.Substring(insertAfterIndex + insertAfterChar.Length);
}
else
{
newFileName = fileName + insertChar;
}
}
}
else if (mode == FileRenameMode.Extract)
{
if (this.Option.ExtractByPosition)
{
int startPos = this.Option.ExtractStartPosition;
int endPos = this.Option.ExtractEndPosition;
if (startPos <= fileName.Length)
{
newFileName = fileName.Substring(startPos - 1, endPos <= 0 ? fileName.Length - startPos + 1 : endPos - startPos + 1);
}
}
else if (this.Option.ExtractByExpression)
{
string expression = this.Option.ExtractExpression;
if (this.CheckExpression(expression, out errMsg))
{
newFileName = this.HandleExpressioin(expression, fileName, out _);
}
else
{
return(file.Name);
}
}
}
}
catch (Exception ex)
{
errMsg = $"Error occurs when handle \"{file.Name}\":{ex.Message}";
return(file.Name);
}
newFileName += file.Extension;
if (string.IsNullOrEmpty(errMsg) && !string.IsNullOrEmpty(newFileName) && newFileName != fileName && this.Option.DoRename)
{
string newFilePath = Path.Combine(file.DirectoryName, newFileName);
if (!File.Exists(newFilePath))
{
file.MoveTo(newFilePath);
}
}
return(newFileName);
}