void CreateView()
{
var listView = new ListView
{
ItemsSource = _db.GetUserTypes(),
ItemTemplate = new DataTemplate(typeof(TextCell))
};
listView.ItemTemplate.SetBinding(TextCell.TextProperty, "Name");
listView.ItemTemplate.SetBinding(TextCell.DetailProperty, "Id");
listView.ItemTapped += async(s, e) =>
{
var item = (UserType)e.Item;
if (await DisplayAlert("削除しますか？", item.Name, "OK", "キャンセル"))
{
_db.Delete(item);
listView.ItemsSource = _db.GetUserTypes();
}
};
var entry = new Entry
{
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.White
};
var addButton = new Button
{
Text = "Add",
WidthRequest = 60,
TextColor = Color.White
};
addButton.Clicked += (s, e) =>
{
if (!string.IsNullOrEmpty(entry.Text))
{
var userType = new UserType {
Name = entry.Text
};
if (_db.SaveUserType(userType) == 0)
{
DisplayAlert("既に使用されています。", userType.Name, "OK");
}
listView.ItemsSource = _db.GetUserTypes();
}
else
{
DisplayAlert("必須入力", "名前を入力して下さい", "OK");
}
};
var backButton = new Button
{
Text = "戻る",
TextColor = Color.Black
};
backButton.Clicked += (s, e) =>
{
Navigation.PopModalAsync();
};
Content = new StackLayout
{
Padding = new Thickness(0, Device.OnPlatform(20, 0, 0), 0, 0),
Children =
{
new StackLayout
{
Padding = 5,
BackgroundColor = Color.Navy,
Children = { entry, addButton }
},
listView,
backButton
}
};
}
