public void MashCalculatedModelCalculator(MashCalculatedModel model, GrainsToBeCalculated calculate, string mashVolume)
{
double totalMCU = 0;
double MCU = 0;
//Loop through TableView to calculate srm color of all grains in TableView passed in from MashCalculatorPage
foreach (MashTableRowDataModel element in calculate.ListViewOfGrains)
{
var srm = element.SelectedGrain.srmColor;
var grainWeight = element.Pounds;
//Calculate MCU of grain in ViewCell
MCU = (Convert.ToDouble(srm) * Convert.ToDouble(grainWeight)) / Convert.ToDouble(mashVolume);
//Add MCU from calculated grain ViewCell
totalMCU += MCU;
}
//Calculate the exact SRM color
double srmColor = 1.4922 * (Math.Pow(MCU, 0.6859));
//Convert the exact SRM to an integer
Int16 srmInt = Convert.ToInt16(srmColor);
//Convert srmInteger to a color
Color finalColor = ConvertIntToColor(srmInt);
//Set model srmInteger and srmColor
model.srmInt = srmInt;
model.srmColor = finalColor;
}
public void CalculateSRM(object sender, EventArgs e)
{
var check = grainsAddedListView.ItemsSource as ObservableCollection <MashTableRowDataModel>;
if (check.Count == 0)
{
DisplayAlert("No Grains", "You must add grains to calculate the color of your beer.", "OK");
}
else if (mashVolumeEntry.Text != "0" || mashVolumeEntry.Text != "")
{
GrainsToBeCalculated grainsToBeCalculated = new GrainsToBeCalculated {
ListViewOfGrains = grainsAddedListView.ItemsSource,
MashVolume = mashVolumeEntry.Text
};
MashCalculatedModel calculations = new MashCalculatedModel {
PPGModel = calculateGravity.CalculatePPG(grainsToBeCalculated, mashVolumeEntry.Text),
};
calculateSRM.MashCalculatedModelCalculator(calculations, grainsToBeCalculated, mashVolumeEntry.Text);
Navigation.PushModalAsync(new MashCalculatedResultsPageXAML(calculations));
}
else
{
DisplayAlert("Volume Error", "You must enter a mash volume.", "OK");
}
}
public MashCalculatedResultsPageXAML(MashCalculatedModel calculations)
{
InitializeComponent();
_calculations = calculations;
StyleId = "CalculatedResultsPage";
BackgroundColor = calculations.srmColor;
ogValue = (calculations.PPGModel.extract + (calculations.PPGModel.grain * .8)) / 1000 + 1;
estimatedOG.Text = ogValue.ToString();
if (calculations.srmInt > 20)
{
srmLabel.TextColor = Color.White;
extractPPGLabel.TextColor = Color.White;
grainPPGLabel.TextColor = Color.White;
ogLabel.TextColor = Color.White;
efficiencyLabel.TextColor = Color.White;
srmIntLabel.TextColor = Color.White;
extractPPG.TextColor = Color.White;
grainPPG.TextColor = Color.White;
estimatedOG.TextColor = Color.White;
title.TextColor = Color.White;
subtitle.TextColor = Color.White;
}
newBeerButton.HeightRequest = Device.OnPlatform(
(double)(App.ScreenHeight * 0.1),
(double)(App.ScreenHeight / 2 * 0.1),
(double)(App.ScreenHeight * 0.1));
addMoreGrainsButton.HeightRequest = Device.OnPlatform(
(double)(App.ScreenHeight * 0.1),
(double)(App.ScreenHeight / 2 * 0.1),
(double)(App.ScreenHeight * 0.1));
newBeerButton.WidthRequest = Device.OnPlatform(
(double)(App.ScreenWidth * 0.45),
(double)(App.ScreenWidth / 2 * 0.45),
(double)(App.ScreenWidth * 0.45));
addMoreGrainsButton.WidthRequest = Device.OnPlatform(
(double)(App.ScreenWidth * 0.45),
(double)(App.ScreenWidth / 2 * 0.45),
(double)(App.ScreenWidth * 0.45));
}
void CalculateIBU(object sender, EventArgs e)
{
if (mashVolumeEntry.Text != "0")
{
GrainsToBeCalculated calculate = new GrainsToBeCalculated {
MashVolume = mashVolumeEntry.Text,
ListViewOfGrains = grainsAddedListView.ItemsSource
};
MashCalculatedModel results = new MashCalculatedModel {
PPGModel = calculateGravity.CalculatePPG(calculate, mashVolumeEntry.Text),
};
calculateSRM.MashCalculatedModelCalculator(results, calculate, mashVolumeEntry.Text);
Navigation.PushModalAsync(new MashCalculatedResultsPage(results));
}
else
{
DisplayAlert("Volume Error", "You must enter a mash volume.", "OK");
}
}
public MashCalculatedResultsPage(MashCalculatedModel calculations)
{
//Set the title on the navigation bar to the selected hop
Title = "Calculated Results";
//Set the StyleId for Xamarin Test Cloud
StyleId = "CalculatedResultsPage";
//Set backgroun of page to the estimated color of the beer
if (calculations.srmColor.A == 0 && calculations.srmColor.B == 0 && calculations.srmColor.G == 0)
{
BackgroundColor = Color.White;
}
else
{
BackgroundColor = calculations.srmColor;
}
Label title = new Label {
Text = "Your Beer Estimates",
XAlign = TextAlignment.Center,
FontSize = Device.GetNamedSize(NamedSize.Large, this)
};
Label subtitle = new Label {
Text = "The background is the color of your beer",
XAlign = TextAlignment.Center,
FontSize = Device.GetNamedSize(NamedSize.Large, this)
};
StackLayout titleStack = new StackLayout {
Orientation = StackOrientation.Vertical,
Children = { title, subtitle },
Spacing = 0
};
newBeer = new GrainThemedButton {
StyleId = "newBeerButton",
Text = "New Beer",
WidthRequest = (double)(App.ScreenWidth * 0.45)
};
addMoreGrains = new GrainThemedButton {
StyleId = "addModeGrainsButton",
Text = "Add more grains",
WidthRequest = (double)(App.ScreenWidth * 0.45),
};
//Create labels for calculated estimates
Label srmLabel = new Label {
Text = "SRM Color:",
HorizontalOptions = LayoutOptions.EndAndExpand
};
Label extractPPGLabel = new Label {
Text = "Extract PPG:",
HorizontalOptions = LayoutOptions.EndAndExpand
};
Label grainPPGLabel = new Label {
Text = "Grain Malt PPG:",
HorizontalOptions = LayoutOptions.EndAndExpand
};
Label ogLabel = new Label {
Text = "Estimated OG:",
HorizontalOptions = LayoutOptions.EndAndExpand
};
//Perform calculations using the MashCalculatedModel that is passed in
og = (calculations.PPGModel.extract + (calculations.PPGModel.grain * .8)) / 1000 + 1;
//Create labels to display estimates
Label srmIntLabel = new Label {
Text = calculations.srmInt.ToString(),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
extractPPG = new Label {
Text = calculations.PPGModel.extract.ToString(),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
grainPPG = new Label {
Text = calculations.PPGModel.grain.ToString(),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
Label estimatedOG = new Label {
Text = og.ToString(),
HorizontalOptions = LayoutOptions.CenterAndExpand
};
Label actualOGLabel = new Label {
Text = "Actual OG:",
HorizontalOptions = LayoutOptions.EndAndExpand,
VerticalOptions = LayoutOptions.Start
};
//Create efficiency entry and stepper
actualOGEntry = new GrainThemedNumberEntry {
StyleId = "actualOGEntry",
Text = "1.055",
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Start
};
calculateEfficiencyButton = new GrainThemedButton {
StyleId = "calculateEfficiencyButton",
Text = "Calculate Efficiency",
HorizontalOptions = LayoutOptions.CenterAndExpand,
WidthRequest = Device.OnPlatform(
(double)(App.ScreenWidth * 0.7),
(double)(App.ScreenWidth / 2 * 0.45),
(double)(App.ScreenWidth / 2 * 0.45))
};
Label efficiencyLabel = new Label {
Text = "Efficiency:",
HorizontalOptions = LayoutOptions.EndAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand
};
calculatedEfficiencyLabel = new Label {
VerticalOptions = LayoutOptions.CenterAndExpand
};
//Create a grid to add all elements to
Grid gridLayout = new Grid {
HeightRequest = App.ScreenHeight * 0.8,
ColumnDefinitions =
{
new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
},
new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
},
},
RowDefinitions =
{
new RowDefinition {
Height = new GridLength(2, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
},
},
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.CenterAndExpand
};
gridLayout.Children.Add(titleStack, 0, 2, 0, 1);
gridLayout.Children.Add(srmLabel, 0, 1);
gridLayout.Children.Add(extractPPGLabel, 0, 2);
gridLayout.Children.Add(grainPPGLabel, 0, 3);
gridLayout.Children.Add(ogLabel, 0, 4);
gridLayout.Children.Add(actualOGLabel, 0, 5);
gridLayout.Children.Add(srmIntLabel, 1, 1);
gridLayout.Children.Add(extractPPG, 1, 2);
gridLayout.Children.Add(grainPPG, 1, 3);
gridLayout.Children.Add(estimatedOG, 1, 4);
gridLayout.Children.Add(actualOGLabel, 0, 5);
gridLayout.Children.Add(actualOGEntry, 1, 2, 5, 6);
gridLayout.Children.Add(calculateEfficiencyButton, 0, 2, 6, 7);
gridLayout.Children.Add(efficiencyLabel, 0, 7);
gridLayout.Children.Add(calculatedEfficiencyLabel, 1, 7);
gridLayout.Children.Add(newBeer, 0, 8);
gridLayout.Children.Add(addMoreGrains, 1, 8);
Content = gridLayout;
//Change the text color used if the background is too dark
if (calculations.srmInt > 20)
{
srmLabel.TextColor = Color.White;
extractPPGLabel.TextColor = Color.White;
grainPPGLabel.TextColor = Color.White;
ogLabel.TextColor = Color.White;
actualOGLabel.TextColor = Color.White;
srmIntLabel.TextColor = Color.White;
extractPPG.TextColor = Color.White;
grainPPG.TextColor = Color.White;
estimatedOG.TextColor = Color.White;
title.TextColor = Color.White;
subtitle.TextColor = Color.White;
efficiencyLabel.TextColor = Color.White;
calculatedEfficiencyLabel.TextColor = Color.White;
}
}