/// <summary>
/// Opens an existing file with table data
/// </summary>
private void Open()
{
SaveIfNecessary();
OpenFileDialog dialog = new OpenFileDialog
{
RestoreDirectory = true,
DefaultExt = FILE_EXT,
FileName = FILE_NAME,
Filter = String.Format("TimeTracker files (*.{0})|*.{0}|All files (*.*)|*.*", FILE_EXT),
// use directory with "current" file if available
InitialDirectory = file == null?Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) : file.DirectoryName
};
if (dialog.ShowDialog() == DialogResult.OK)
{
file = new FileInfo(dialog.FileName);
}
if (file != null)
{
if (!file.Exists)
{
MessageBox.Show(this, Resources.Application_nonexistentFileMessageBox_Message,
Resources.Application_nonexistentFileMessageBox_Caption, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
StreamReader fs = null;
try
{
Data.Clear();
fs = file.OpenText();
string line;
while ((line = fs.ReadLine()) != null)
{
TimeTrackerData value = DataSerializer.DeserializeValue(line, CATEGORY_MAXLENGTH);
Data.Add(value);
}
}
catch (DeserializationException)
{
MessageBox.Show(this, Resources.Application_fileErrorMessageBox_Message,
Resources.Application_fileErrorMessageBox_Caption, MessageBoxButtons.OK, MessageBoxIcon.Stop);
file = null;
return;
}
catch (Exception)
{
MessageBox.Show(this, Resources.Application_fileErrorMessageBox_Message,
Resources.Application_fileErrorMessageBox_Caption, MessageBoxButtons.OK, MessageBoxIcon.Stop);
return;
}
finally
{
fs.Close();
}
isSaved = true;
}
RefreshFileButtons();
RefreshTitle();
RefreshCategoryPicker();
}