void Construct()
{
BindingContext = new RefreshViewModel();
var refreshView = new Xamarin.Forms.RefreshView
{
BackgroundColor = Color.Red,
RefreshColor = Color.Yellow
};
refreshView.SetBinding(Xamarin.Forms.RefreshView.CommandProperty, "RefreshCommand");
refreshView.SetBinding(Xamarin.Forms.RefreshView.IsRefreshingProperty, "IsRefreshing");
refreshView.On <WindowsOS>().SetRefreshPullDirection(RefreshPullDirection.BottomToTop);
var listView = new Xamarin.Forms.ListView
{
ItemTemplate = new DataTemplate(() =>
{
var stackLayout = new StackLayout
{
Orientation = StackOrientation.Horizontal
};
var boxView = new BoxView {
WidthRequest = 40
};
var infoLabel = new Xamarin.Forms.Label();
boxView.SetBinding(BoxView.ColorProperty, "Color");
infoLabel.SetBinding(Xamarin.Forms.Label.TextProperty, "Name");
stackLayout.Children.Add(boxView);
stackLayout.Children.Add(infoLabel);
return(new ViewCell {
View = stackLayout
});
})
};
listView.SetBinding(Xamarin.Forms.ListView.ItemsSourceProperty, "Items");
refreshView.Content = listView;
Content = refreshView;
}
public WindowsRefreshViewPageCS()
{
WindowsRefreshViewPageViewModel viewModel = new WindowsRefreshViewPageViewModel();
// Define DataTemplate.
DataTemplate colorItemTemplate = new DataTemplate(() =>
{
Grid grid = new Grid
{
Margin = new Thickness(5),
HeightRequest = 120,
WidthRequest = 105
};
BoxView boxView = new BoxView();
boxView.SetBinding(BoxView.ColorProperty, "Color");
Label label = new Label
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center
};
label.SetBinding(Label.TextProperty, "Name");
grid.Children.Add(boxView);
grid.Children.Add(label);
return(grid);
});
Label pullDirection = new Label
{
Text = "Pull Direction:",
VerticalTextAlignment = TextAlignment.Center
};
EnumPicker enumPicker = new EnumPicker
{
EnumType = typeof(Xamarin.Forms.PlatformConfiguration.WindowsSpecific.RefreshView.RefreshPullDirection),
SelectedIndex = 0
};
Label numberOfItems = new Label
{
HorizontalOptions = LayoutOptions.Center
};
numberOfItems.SetBinding(Xamarin.Forms.Label.TextProperty, "Items.Count", stringFormat: "Number of items: {0}");
StackLayout controlsLayout = new StackLayout
{
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.Center,
Children =
{
pullDirection,
enumPicker
}
};
FlexLayout flexLayout = new FlexLayout
{
Direction = FlexDirection.Row,
Wrap = FlexWrap.Wrap,
AlignItems = FlexAlignItems.Center,
AlignContent = FlexAlignContent.Center
};
BindableLayout.SetItemsSource(flexLayout, viewModel.Items);
BindableLayout.SetItemTemplate(flexLayout, colorItemTemplate);
// Set the FlexLayout as the child of the ScrollView.
ScrollView scrollView = new ScrollView
{
Content = flexLayout
};
// Set the ScrollView as the child of the RefreshView.
RefreshView refreshView = new RefreshView
{
Content = scrollView,
RefreshColor = Color.Teal
};
refreshView.SetBinding(RefreshView.IsRefreshingProperty, "IsRefreshing");
refreshView.SetBinding(RefreshView.CommandProperty, "RefreshCommand");
refreshView.On <Windows>().SetRefreshPullDirection(RefreshPullDirection.LeftToRight);
enumPicker.SelectedIndexChanged += (s, e) =>
{
refreshView.On <Windows>().SetRefreshPullDirection((RefreshPullDirection)enumPicker.SelectedItem);
};
// Build the page.
Title = "RefreshView Demo";
BindingContext = viewModel;
Content = new StackLayout
{
Margin = new Thickness(10),
Children =
{
controlsLayout,
numberOfItems,
refreshView
}
};
}
