public ResultsPage()
{
this.InitializeComponent();
this.navigationHelper = new NavigationHelper(this);
this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
this.navigationHelper.SaveState += this.NavigationHelper_SaveState;
this.DataContext = HomePage.CalculatedModel;
}
public HomePage()
{
this.InitializeComponent();
this.navigationHelper = new NavigationHelper(this);
this.navigationHelper.LoadState += navigationHelper_LoadState;
this.navigationHelper.SaveState += navigationHelper_SaveState;
// MVVM is not used in this example. We're porting an existing sample from Silverlight MVC
// we will make use of the existing pattern to achieve the results
model = new DietCalculatorModel();
controller = new DietCalculatorController(model);
// bydefault Male is Selected, hence collapse hips
txtHips.Visibility = tblHips.Visibility = Visibility.Collapsed;
cmbGender.SelectionChanged += (sender, args) =>
{
var isSelectedItemMale = ((string)cmbGender.SelectedItem == "Male");
txtHips.Visibility = tblHips.Visibility = isSelectedItemMale ? Visibility.Collapsed : Visibility.Visible;
// corner case: reset hipsText to empty if the user had typed in hips and later changed the gender
if (isSelectedItemMale) txtHips.Text = string.Empty;
};
// subscribe to IdealBMI and IdealWeight changed events on the model to update the UI
// as per the implementation in the core project,
// any change in IdealBMI or IdealWeight are notified using appropriate event handlers
model.IdealBMIChanged += (sender, e) =>
{
txtIdealBMI.Text = e.IdealBMI.ToString();
};
model.IdealWeightChanged += (sender, e) =>
{
txtIdealWeight.Text = e.IdealWeight.ToString();
};
txtIdealWeight.TextChanged += (sender, e) =>
{
controller.SetWeight(StringToNumberUtility.GetDouble(txtWeight.Text, 0.00));
controller.SetHeight(StringToNumberUtility.GetDouble(txtHeight.Text, 0.00));
controller.SetIdealWeight(StringToNumberUtility.GetDouble(txtIdealWeight.Text, 0.00));
};
txtIdealBMI.TextChanged += (sender, e) =>
{
controller.SetWeight(StringToNumberUtility.GetDouble(txtWeight.Text, 0.00));
controller.SetHeight(StringToNumberUtility.GetDouble(txtHeight.Text, 0.00));
controller.SetIdealBMI(StringToNumberUtility.GetDouble(txtIdealBMI.Text, 0.00));
};
}