public bool AddNew()
{
if (Save())
{
if (_record != null)
{
_priorRecord = _record;
}
_record = new TRecord();
_suspend = true;
foreach (var action in _setDefaults)
{
action.SetControl.Invoke();
if (action.InvokeSetProperty)
{
action.SetProperty.Invoke(_record);
}
}
NewRecord?.Invoke(this, new EventArgs());
FirstControl?.Focus();
ValidationPanel?.SetStatus(RecordStatus.Valid, "New record started");
ToolStrip?.OnNew();
_suspend = false;
return(true);
}
return(false);
}
public bool Load(TRecord record)
{
if (record == null)
{
throw new ArgumentNullException(nameof(record));
}
if (Save())
{
if (_record != null)
{
_priorRecord = _record;
}
_record = record;
_suspend = true;
foreach (var action in _setControls)
{
action.Invoke(record);
}
RecordLoaded?.Invoke(this, new EventArgs());
ValidationPanel?.SetStatus(RecordStatus.Valid, "Record loaded");
ToolStrip?.OnClean(false);
_suspend = false;
return(true);
}
return(false);
}
public bool Validate()
{
using (var cn = _db.GetConnection())
{
cn.Open();
string message;
RecordStatus status = (_record.IsValid(cn, out message)) ? RecordStatus.Editing : RecordStatus.Invalid;
ValidationPanel?.SetStatus(status, message ?? "Record has no errors");
return(status == RecordStatus.Valid);
}
}
public bool Save()
{
// get the textboxes with changes that haven't fired Validated event
var unvalidatedTextboxes = _textChanges.Where(kp => kp.Value && !_validated[kp.Key]).Select(kp => kp.Key).ToList();
foreach (var tb in unvalidatedTextboxes)
{
_textBoxValidators[tb].Validated.Invoke(this, new EventArgs());
}
if (_suspend)
{
return(true);
}
_suspend = true;
try
{
if (IsDirty)
{
SavingRecord?.Invoke(this, new EventArgs());
_db.Save(_record);
IsDirty = false;
RecordSaved?.Invoke(this, new EventArgs());
ValidationPanel?.SetStatus(RecordStatus.Valid, "Record saved");
}
return(true);
}
catch (Exception exc)
{
ValidationPanel?.SetStatus(RecordStatus.Invalid, exc.Message);
if (MessageBox.Show($"The record could not be saved: {exc.Message}\r\nClick OK to try again or Cancel to lose your changes.", "Save Error", MessageBoxButtons.OKCancel) == DialogResult.Cancel)
{
UndoChanges();
return(true);
}
return(false);
}
finally
{
_suspend = false;
}
}