/// <summary>
/// Creates a new text file with the provided information
/// </summary>
/// <param name="fileName">name of the file to be created</param>
/// <param name="value">value to put inside the file</param>
private void CreateNewTextFile(string fileName, int value)
{
string fullFilePath = Utils.GetFullFilePath(FilePath, fileName);
// Try to create the new file
try
{
// Error out if file exists
// TODO: Can change logic to overwrite the file
if (File.Exists(fullFilePath))
{
if (MessageBox.Show(
string.Format("File {0} already exists. Do you want to overwrite the file?", fullFilePath),
"Question",
MessageBoxButton.YesNo,
MessageBoxImage.Warning) == MessageBoxResult.Yes)
{
// Want to overwrite the file so delete the existing one;
File.Delete(fullFilePath);
}
else
{
// Do no overwrite so stop right here and exit early
// without adding new entry or creating file
return;
}
}
// Create the file.
using (FileStream fs = File.Create(fullFilePath))
{
byte[] info = new UTF8Encoding(true).GetBytes(value.ToString());
// Add the value to the file
fs.Write(info, 0, info.Length);
}
}
catch (Exception e)
{
// Show error message and return early
MessageBox.Show("Error during file creation: " + e.Message);
return;
}
SampleRow newRow = new SampleRow(fileName, value);
newRow.DeleteRowEvent += this.DeleteRow;
// If file created successfully, add new row to main app view
// TODO maybe change logic to binding
this.RowsList.Items.Add(newRow);
}
/// <summary>
/// Delete the row from our list
/// </summary>
/// <param name="name">Name of the file we want to delete</param>
private void DeleteRow(string name)
{
// Go through our rows and delete the one with this file name
foreach (object o in this.RowsList.Items)
{
SampleRow row = o as SampleRow;
// TODO this case shouldn't happen but should log if it does
if (row == null)
{
continue;
}
if (row.FileName.Equals(name))
{
this.RowsList.Items.Remove(row);
// We need to return at this point since enumeration cannot continue
// after an item has been removed. This is fine though since we should only
// have 1 item of that file name in the list
return;
}
}
}
