private void UpdateFx(TelemetryFunction fx)
{
if (fx != null)
{
fx.Name = txtFxName.Text.Trim();
fx.Body = txtFxBody.Text.Trim();
}
}
private TelemetryFunction NewFx()
{
var fx = new TelemetryFunction()
{
Name = "New Function"
};
fx.State = fx.Serialize();
return(fx);
}
private void DisplayFx(TelemetryFunction fx)
{
txtFxName.Text = fx.Name;
txtFxBody.Text = fx.Body;
btnSaveFunction.Enabled = true;
btnCloseFunction.Enabled = true;
btnTestFunction.Enabled = true;
pnlFxDetails.Enabled = true;
txtFxBody.Enabled = true;
}
private void ClearFx()
{
txtFxName.Clear();
txtFxBody.Clear();
btnSaveFunction.Enabled = false;
btnCloseFunction.Enabled = false;
btnTestFunction.Enabled = false;
btnAddField.Enabled = false;
pnlFxDetails.Enabled = false;
txtFxBody.Enabled = false;
_currentFunction = null;
}
private void SaveCustomFunctionFile(TelemetryFunction fx)
{
JsonSerializerSettings settings = new JsonSerializerSettings {
TypeNameHandling = TypeNameHandling.Auto
};
var json = JsonConvert.SerializeObject(fx, settings);
var fieldListFile = Path.Combine(Constants.AppFolder, fx.FileName);
if (File.Exists(fieldListFile))
{
File.Delete(fieldListFile);
}
File.WriteAllText(fieldListFile, json);
fx.State = fx.Serialize();
}
private TelemetryFunction LoadCustomFunctionFile(string fileName)
{
TelemetryFunction fx = null;
if (File.Exists(fileName))
{
var json = File.ReadAllText(fileName);
JsonSerializerSettings settings = new JsonSerializerSettings {
TypeNameHandling = TypeNameHandling.Auto
};
fx = JsonConvert.DeserializeObject <TelemetryFunction>(json, settings);
fx.State = fx.Serialize();
}
return(fx);
}
private bool CloseFx(TelemetryFunction fx)
{
var result = PromptToSaveChangesToFx(fx);
if (result == DialogResult.Cancel)
{
return(false);
}
else if (result == DialogResult.Yes)
{
SaveFx(fx);
}
ClearFx();
return(true);
}
private DialogResult PromptToSaveChangesToFx(TelemetryFunction fx)
{
if (_currentFunction == null)
{
return(DialogResult.No);
}
UpdateFx(_currentFunction);
if (!_currentFunction.HasChanges)
{
return(DialogResult.No);
}
else
{
return(MessageBox.Show(this, $"Save changes to {fx.Name}?", "Save Changes?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question));
}
}
private void btnOpenFunction_Click(object sender, EventArgs e)
{
try
{
if (!CloseFx(_currentFunction))
{
// user cancelled
return;
}
_currentFunction = OpenFx();
DisplayFx(_currentFunction);
}
catch (Exception ex)
{
ExceptionHandler(ex);
}
}
private TelemetryFunction OpenFx()
{
TelemetryFunction fx = null;
var dialog = new OpenFileDialog()
{
InitialDirectory = Constants.FunctionsFolder,
Filter = "Function Files (*.fx.json)|*.fx.json|All Files (*.*)|*.*",
FilterIndex = 1
};
var result = dialog.ShowDialog(this);
if (result == DialogResult.OK)
{
fx = LoadCustomFunctionFile(dialog.FileName);
}
return(fx);
}
private void SaveFx(TelemetryFunction fx)
{
UpdateFx(fx);
var dialog = new SaveFileDialog()
{
InitialDirectory = Constants.FunctionsFolder,
Filter = "Function Files (*.fx.json)|*.fx.json|All Files (*.*)|*.*",
FilterIndex = 1,
FileName = String.IsNullOrEmpty(fx.FileName) ? fx.Name : Path.GetFileName(fx.FileName)
};
var result = dialog.ShowDialog(this);
if (result == DialogResult.OK)
{
fx.FileName = dialog.FileName;
SaveCustomFunctionFile(fx);
}
}
