public MainPage()
{
//отрисовываем кнопку в коде, дальнейшее рисование элементов на странице будет не достуно
Title = "Домашняя страница";
connectionStateLbl = new Label
{
Text = "Подключение отсутствует",
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
};
connectionDetailsLbl = new Label
{
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
};
CrossConnectivity.Current.ConnectivityChanged += CurrentConnectivityChanged;
//кнопка открытия страницы сканера
Button toAdminPageBtn = new Button
{
Text = "AdminPage",
//BackgroundColor = Color.Green,
BackgroundColor = Color.FromHex("#12B812"),
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
BorderWidth = 2,
BorderColor = Color.White
};
//begin test btn
Button toDBpage = new Button
{
Text = "Результаты сканирования",
//BackgroundColor = Color.Red,
BackgroundColor = Color.FromHex("#12B812"),
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
BorderWidth = 2,
BorderColor = Color.White
};
Button toScanner = new Button
{
Text = "Сканер",
//BackgroundColor = Color.Aquamarine,
BackgroundColor = Color.FromHex("#12B812"),
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
BorderWidth = 2,
BorderColor = Color.White
//WidthRequest = 177,
//HeightRequest = 174
};
Button toGoodsList = new Button
{
Text = "Загрузить товары",
//BackgroundColor = Color.YellowGreen,
BackgroundColor = Color.FromHex("#12B812"),
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
BorderWidth = 2,
BorderColor = Color.White
};
Button changeOrgOrSklad = new Button
{
Text = "Смена клиента/склада",
//BackgroundColor = Color.SaddleBrown,
BackgroundColor = Color.FromHex("#12B812"),
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
BorderWidth = 2,
BorderColor = Color.White,
IsVisible = false
};
Button Login = new Button
{
Text = "Login",
BackgroundColor = Color.FromHex("#12B812"),
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
BorderWidth = 2,
BorderColor = Color.White
};
//end test btn
Grid grid = new Grid
{
RowDefinitions = //строки
{
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)
}
},
ColumnDefinitions = //колонки
{
new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
},
new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
}
}
};
var user = App.UsersDatabase.GetItems();
foreach (var data in user)
{
if (data.NameOrg != null && data.SkladName != null)
{
changeOrgOrSklad.IsVisible = true;
}
}
//позиции в строках и колонках
grid.Children.Add(toAdminPageBtn, 0, 0);
grid.Children.Add(toDBpage, 0, 1);
grid.Children.Add(changeOrgOrSklad, 0, 2);
grid.Children.Add(connectionStateLbl, 0, 3);
grid.Children.Add(connectionDetailsLbl, 0, 3);
Grid.SetColumnSpan(connectionStateLbl, 2);
Grid.SetColumnSpan(connectionDetailsLbl, 2);
grid.Children.Add(toScanner, 1, 0);
grid.Children.Add(toGoodsList, 1, 1);
grid.Children.Add(Login, 1, 2);
//отлавливаем нажатие кнопки сканирования
toAdminPageBtn.Clicked += ToAdminPage;
//нажатие кнопки на страницу работы с БД
toDBpage.Clicked += ToDBpageWork;
//тестовые кнопки
toScanner.Clicked += ToScannerPage;
toGoodsList.Clicked += ToGoodsListPage;
changeOrgOrSklad.Clicked += ToChangeOrgOrSklad;
Login.Clicked += ToLoginPage;
//добавляем элементы на страницу
//Content = new StackLayout { Children = { toScannerPageBtn } };
Content = grid;
}
Grid mainGrid = new Grid(); //Grid 也是 View
public MainPage()
{
mainGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(100, GridUnitType.Absolute)
});
mainGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
});
mainGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
});
mainGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
});
mainGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
});
mainGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
mainGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
mainGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
mainGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
resultLabel.Text = "Result";
resultLabel.FontSize = 50;
mainGrid.Children.Add(resultLabel, 0, 0);
Grid.SetColumnSpan(resultLabel, mainGrid.ColumnDefinitions.Count);//=4
for (int i = 1; i <= 9; i++)
{
Button numberButton = new Button {
Text = $"{i}"
};
numberButton.Clicked += NumberButton_Clicked;
mainGrid.Children.Add(numberButton, (i - 1) % 3, 1 + (i - 1) / 3);
}
{
Button numberButton = new Button {
Text = "0"
};
numberButton.Clicked += NumberButton_Clicked;
mainGrid.Children.Add(numberButton, 1, 4);
}
{
Button button = new Button {
Text = "="
};
button.Clicked += EqualSignClicked;
mainGrid.Children.Add(button, 0, 4);
}
{
Button button = new Button {
Text = "←"
};
button.Clicked += DeleteButtonClicked;
mainGrid.Children.Add(button, 2, 4);
}
char[] signs = { '+', '-', '*', '/' };
for (int i = 0; i < signs.Length; i++)
{
Button button = new Button {
Text = $"{signs[i]}"
};
button.Clicked += NumberButton_Clicked;
mainGrid.Children.Add(button, 3, 1 + i);
}
this.Content = mainGrid;
}