private void OpenFile(string filename)
{
try
{
var frmCsvProperties = new Frm_CsvProperties(this, false);
int numColumns;
string suspectedDelimiter = CsvFile.DetermineDelimiter(filename, out numColumns);
frmCsvProperties.CsvProperties.Delimiter = suspectedDelimiter;
frmCsvProperties.CsvProperties.NumColumns = numColumns;
if(frmCsvProperties.ShowDialog() == DialogResult.OK)
{
_currentCsv = new CsvFile(frmCsvProperties.CsvProperties);
if(_currentCsv.Load(filename))
{
if(_currentCsv.LoadErrors.Count > 0)
{
var frmErrors = new Frm_Errors("File has been loaded, but the following errors were found:", _currentCsv.LoadErrors);
frmErrors.ShowDialog();
}
dataGridView_Main.DataSource = _currentCsv.DataSource;
_modified = false;
UpdateMenuStates();
UpdateStatusBar();
CurrentFilename = filename;
}
else
{
if(_currentCsv.LoadErrors.Count > 0)
{
var frmErrors = new Frm_Errors("File could not be loaded. The following errors were found:", _currentCsv.LoadErrors);
frmErrors.ShowDialog();
}
else
{
MessageBox.Show("Could not load file, as it appears to be invalid");
}
_currentCsv = null;
}
}
}
catch(Exception)
{
_currentCsv = null;
MessageBox.Show("Failed to open file - is it in use by another process?", "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
private void propertiesToolStripMenuItem_Click(object sender, EventArgs e)
{
_currentCsv.UpdateProperties();
var frmProperties = new Frm_CsvProperties(this, true) { CsvProperties = _currentCsv.Properties };
if(frmProperties.ShowDialog() == DialogResult.OK)
{
_currentCsv.Properties = frmProperties.CsvProperties;
}
}
private void NewCsvFile()
{
var frmProperties = new Frm_CsvProperties(this, false, new CsvProperties { NumColumns = 10, NumRows = 10 });
if(frmProperties.ShowDialog() == DialogResult.OK)
{
_currentCsv = new CsvFile(frmProperties.CsvProperties);
_currentCsv.CreateNew(frmProperties.CsvProperties.NumColumns, frmProperties.CsvProperties.NumRows);
dataGridView_Main.DataSource = _currentCsv.DataSource;
_modified = false;
UpdateMenuStates();
UpdateStatusBar();
CurrentFilename = null;
}
}