private void MeasurementLogGrid_LoadingRow(object sender, DataGridRowEventArgs e)
{
MeasurementLogEntry entry = e.Row.DataContext as MeasurementLogEntry;
// If this entry has a valid calculator associated then change the TextBlock to a HyperlinkButton
// that when clicked will use the Acivator object to dynamically create the appropriate calculator
if (entry.Measurement.Calculator != null)
{
TextBlock measurementName = MeasurementLogGrid.Columns[0].GetCellContent(e.Row) as TextBlock;
if (measurementName != null)
{
DataGridCell cell = measurementName.Parent as DataGridCell;
HyperlinkButton calculatorLink = new HyperlinkButton();
calculatorLink.Content = entry.Measurement.measurement_name;
calculatorLink.Margin = new Thickness(5);
calculatorLink.HorizontalAlignment = HorizontalAlignment.Center;
calculatorLink.Click += (s, ev) =>
{
// Create an instance of the calculator using IMeasurementCalculator interface so that we have
// access to the calculated value and can update the selected row value
ChildWindow modalWindow = new ChildWindow();
IMeasurementCalculator calc = Activator.CreateInstance(Type.GetType(String.Format("FitnessTrackerPlus.Views.Measurement.Calculators.{0}",
entry.Measurement.Calculator.type_name))) as IMeasurementCalculator;
calc.CalculationCancelled += (se, eve) => { modalWindow.Close(); };
calc.CalculationComplete += (se, eve) =>
{
modalWindow.Close();
entry.value = calc.CalculatedValue;
context.SubmitChanges();
};
modalWindow.Title = String.Format("{0} Calculator", entry.Measurement.measurement_name);
modalWindow.Content = calc;
modalWindow.Show();
};
// Repace the TextBlock with the HyperlinkButton control
cell.Content = calculatorLink;
}
}
}
private void CustomMeasurementForm_EditEnded(object sender, DataFormEditEndedEventArgs e)
{
if (e.EditAction == DataFormEditAction.Cancel && CustomMeasurementCancelled != null)
{
CustomMeasurementCancelled(this, null);
}
else
{
if (CustomMeasurementForm.ValidateItem())
{
// If validation succeeds then add the exercise to the database
context.Measurements.Add(CustomMeasurementForm.CurrentItem as FitnessTrackerPlus.Web.Data.Measurement);
context.SubmitChanges((MeasurementSubmitted) =>
{
if (!MeasurementSubmitted.HasError)
{
FitnessTrackerPlus.Web.Data.Measurement customMeasurement = CustomMeasurementForm.CurrentItem as FitnessTrackerPlus.Web.Data.Measurement;
// If user has selected an existing unit of measure create a new entry
// in the measurements_measurement_units table
if (selectedUnit != null)
{
context.MeasurementsUnits.Add(new MeasurementsUnits {
unit_id = selectedUnit.id, measurement_id = customMeasurement.id
});
context.SubmitChanges((MeasurementsUnitsSubmitted) =>
{
if (!MeasurementsUnitsSubmitted.HasError)
{
if (CustomMeasurementCreated != null)
{
CustomMeasurementCreated(this, new CustomMeasurementCreatedEventArgs(customMeasurement));
}
}
}, null);
}
else
{
// Otherwise we also need to add an entry to the measurement_units table
TextBox customUnit = CustomMeasurementForm.FindNameInContent("CustomUnit") as TextBox;
context.MeasurementUnits.Add(new MeasurementUnit {
unit = customUnit.Text, user_id = Globals.CurrentUser.id
});
context.SubmitChanges((MeasurementUnitSubmitted) =>
{
if (!MeasurementUnitSubmitted.HasError)
{
// Need to use the id of the newly created unit of measure
MeasurementUnit createdUnit = MeasurementUnitSubmitted.ChangeSet.AddedEntities[0] as MeasurementUnit;
context.MeasurementsUnits.Add(new MeasurementsUnits {
unit_id = createdUnit.id, measurement_id = customMeasurement.id
});
context.SubmitChanges((MeasurementsUnitsSubmitted) =>
{
if (!MeasurementsUnitsSubmitted.HasError)
{
if (CustomMeasurementCreated != null)
{
CustomMeasurementCreated(this, new CustomMeasurementCreatedEventArgs(customMeasurement));
}
}
}, null);
}
}, null);
}
}
}, null);
}
}
}