/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached.
/// This parameter is typically used to configure the page.</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
tipAttributes = new TipAttributes
{
IncludeTaxInTip = true,
Subtotal = 0,
TaxRate = 0,
TaxAmount = 0,
PretipTotal = 0,
TipPercentage = 0,
TipAmount = 0,
Total = 0,
updateSubtotal = new TipCalculator.UpdateSubtotal(this.UpdateSubtotal),
updateTaxAmount = new TipCalculator.UpdateTaxAmount(this.UpdateTaxAmount),
updateTaxRate = new TipCalculator.UpdateTaxRate(this.UpdateTaxRate),
updatePretipTotal = new TipCalculator.UpdatePretipTotal(this.UpdatePretip),
updateTipPercentage = new TipCalculator.UpdateTipPercentage(this.UpdateTipPercentage),
updateTipAmount = new TipCalculator.UpdateTipAmount(this.UpdateTipAmount),
updateTotal = new TipCalculator.UpdateTotal(this.UpdateTotal)
};
}
public MainPage()
{
this.InitializeComponent();
tipAttributes = new TipAttributes
{
IncludeTaxInTip = true,
Subtotal = 0,
TaxRate = 0,
TaxAmount = 0,
PretipTotal = 0,
TipPercentage = 0,
TipAmount = 0,
Total = 0,
updateSubtotal = new TipCalculator.UpdateSubtotal(this.UpdateSubtotal),
updateTaxAmount = new TipCalculator.UpdateTaxAmount(this.UpdateTaxAmount),
updateTaxRate = new TipCalculator.UpdateTaxRate(this.UpdateTaxRate),
updatePretipTotal = new TipCalculator.UpdatePretipTotal(this.UpdatePretip),
updateTipPercentage = new TipCalculator.UpdateTipPercentage(this.UpdateTipPercentage),
updateTipAmount = new TipCalculator.UpdateTipAmount(this.UpdateTipAmount),
updateTotal = new TipCalculator.UpdateTotal(this.UpdateTotal)
};
}
public void UpdateTipAmount(float tipAmount)
{
TipAmountTB.Text = TipAttributes.priceToString(tipAmount);
}
public void UpdateTipPercentage(float tipPercentage)
{
TipPercentageTB.Text = TipAttributes.percentageToString(tipPercentage);
}
public void UpdatePretip(float pretip)
{
PretipTB.Text = TipAttributes.priceToString(pretip);
}
public void UpdateSubtotal(float subtotal)
{
SubtotalTB.Text = TipAttributes.priceToString(subtotal);
}
public void UpdateTaxRate(float taxRate)
{
TaxRateTB.Text = TipAttributes.percentageToString(taxRate) + "%";
}
public void UpdateTaxAmount(float taxAmount)
{
TaxTB.Text = "$" + TipAttributes.priceToString(taxAmount);
}
public void UpdateTotal(float total)
{
TotalTB.Text = TipAttributes.priceToString(total);
}