public BalancePage(Wallet w, DatabaseOps d)
{
this.Title = "Balance";
wallet = w;
db = d;
screenWidth = DeviceInfo.Hardware.ScreenWidth;
screenHeight = ConvertPixelsToDp(DeviceInfo.Hardware.ScreenHeight);
Debug.WriteLine("Height: " + screenHeight + " # Width: " + screenWidth);
graphMaxHeight = screenHeight * 0.6;
selectedCurrency = db.GetCurrency(db.GetGlobal("favouriteCurrency"));
InitializeMainGrid();
InitializeGraph();
InitializeTotals();
var scrollview = new ScrollView
{
Content = new StackLayout
{
Children = { mainGrid }
}
};
Content = new StackLayout
{
Children = { scrollview }
};
}
private static void CallWebAsync(string uri, DatabaseOps db, AsyncCallback cb, InputValuePage page)
{
var request = HttpWebRequest.Create(uri);
request.Method = "GET";
var state = new Tuple <DatabaseOps, WebRequest, InputValuePage>(db, request, page);
request.BeginGetResponse(cb, state);
}
public static void RefreshRates(DatabaseOps db, InputValuePage page)
{
foreach (string code in Utils.currencyCodes)
{
var uri = string.Format("http://download.finance.yahoo.com/d/quotes?f=sl1d1t1&s={0}{1}=X", "EUR", code);
var cb = new AsyncCallback(CallHandler);
CallWebAsync(uri, db, cb, page);
}
}
public double GetTotal(string code, DatabaseOps db)
{
double total = 0.0;
foreach (KeyValuePair <string, double> entry in balances)
{
// do something with entry.Value or entry.Key
if (entry.Key != code)
{
total += Currency.ConvertAmount(db, entry.Value, entry.Key, code);
}
else
{
total += entry.Value;
}
}
return(total);
}
public static double ConvertAmount(DatabaseOps db, double amount, string codeFrom, string codeTo)
{
double rate = db.GetCurrency(codeTo).rate / db.GetCurrency(codeFrom).rate;
return(amount * rate);
}
public static Currency getFavouriteCurrency(DatabaseOps db)
{
return(db.GetCurrency(db.GetGlobal("favouriteCurrency")));
}
public InputValuePage(DatabaseOps db, Wallet w)
{
Title = "Add/Remove Money";
this.db = db;
wallet = w;
favouriteCurrency = Utils.getFavouriteCurrency(db);
//////////////////// TOOLBAR /////////////////////
var balancePageButton = new ToolbarItem
{
Text = "Balance",
Command = new Command(this.ShowBalancePage)
};
if (Device.OS == TargetPlatform.Windows)
{
balancePageButton.Order = ToolbarItemOrder.Secondary;
}
ToolbarItems.Add(balancePageButton);
var setFavouriteCurrencyButton = new ToolbarItem
{
Text = "Favourite Currency",
Command = new Command(this.ShowSetFavouriteCurrencyPage)
};
setFavouriteCurrencyButton.Order = ToolbarItemOrder.Secondary;
ToolbarItems.Add(setFavouriteCurrencyButton);
var showRatesPageButton = new ToolbarItem
{
Text = "Rates",
Command = new Command(this.ShowRatesPage)
};
showRatesPageButton.Order = ToolbarItemOrder.Secondary;
ToolbarItems.Add(showRatesPageButton);
var updateCurrenciesButton = new ToolbarItem
{
Text = "Update Currencies",
Command = new Command(this.UpdateCurrencies)
};
updateCurrenciesButton.Order = ToolbarItemOrder.Secondary;
ToolbarItems.Add(updateCurrenciesButton);
/////////////////// PROGRESS BAR //////////////////
progressBar = new ProgressBar
{
Progress = 0,
};
////////////////// ACTION PICKER //////////////////
actionPicker = new Picker
{
Title = "Action",
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
actionPicker.Items.Add("Add");
actionPicker.Items.Add("Remove");
actionPicker.SelectedIndex = 0;
actionPicker.SelectedIndexChanged += actionChanged;
////////////////// VALUE INPUT //////////////////
entryLabel = new Label()
{
Text = "Amount:"
};
valueEntry = new Entry()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
Placeholder = "Amount",
Keyboard = Keyboard.Numeric
};
////////////////// CURRENCY PICKER //////////////////
currencyPicker = new Picker
{
Title = "Currency",
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
int favouriteIndex = 0;
numberOfCurrencies = 0;
foreach (Currency c in db.GetCurrencies())
{
currencyPicker.Items.Add(c.code);
if (c.code == favouriteCurrency.code)
{
favouriteIndex = numberOfCurrencies;
}
numberOfCurrencies++;
}
currencyPicker.SelectedIndex = favouriteIndex;
selectedCurrency = db.GetCurrencies().ElementAt(favouriteIndex);
currencyPicker.SelectedIndexChanged += currencyChanged;
////////////////// CURRENT CURRENCY RATE //////////////////
currencyRateLabel = new Label();
updateCurrencyRateLabelText();
////////////////// BUTTON //////////////////
button = new Button()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
Text = "Add",
BackgroundColor = Utils.addColor
};
button.Clicked += OnButtonClicked;
////////////////// ERROR LABEL //////////////////
errorLabel = new Label()
{
Text = "",
TextColor = Color.Red,
HorizontalTextAlignment = TextAlignment.Center
};
////////////////// GRID //////////////////
var grid = new Grid()
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.CenterAndExpand
};
grid.ColumnDefinitions = new ColumnDefinitionCollection
{
new ColumnDefinition {
Width = new GridLength(2, GridUnitType.Star)
},
new ColumnDefinition {
Width = new GridLength(3, GridUnitType.Star)
},
new ColumnDefinition {
Width = new GridLength(2, GridUnitType.Star)
}
};
for (int i = 0; i < 7; i++)
{
grid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
}
grid.Children.Add(errorLabel, 1, 0);
grid.Children.Add(actionPicker, 1, 1);
grid.Children.Add(entryLabel, 1, 2);
grid.Children.Add(valueEntry, 1, 3);
grid.Children.Add(currencyPicker, 1, 4);
grid.Children.Add(currencyRateLabel, 1, 5);
grid.Children.Add(button, 1, 6);
Content = new StackLayout
{
Children = { progressBar, grid }
};
}