private void InitBodyLayout()
{
var layout = new SwipeFrame();
layout.BackgroundColor = Color.Silver;
Children.Add(layout, 0, 1);
}
private void UpdateSwipeFrameLayout()
{
var content = ItemTemplate.CreateContent();
var view = content as Xamarin.Forms.View;
if (view == null)
{
throw new InvalidOperationException($"DataTemplate returned non-view content: '{content}'.");
}
view.Parent = this;
int index = 0;
foreach (var item in _itemSource)
{
if (index.Equals(SelectedIndex))
{
view.BindingContext = item;
break;
}
++index;
}
Children.RemoveAt(1);
_tabLayout = new SwipeFrame();
_tabLayout.SwipeLeft += (sender, e) =>
{
if ((SelectedIndex + 1).Equals(_count))
{
return; //SelectedIndex = 0;
}
SelectedIndex++;
};
_tabLayout.SwipeRight += (sender, e) =>
{
if ((SelectedIndex - 1) < 0)
{
return; // SelectedIndex = _count;
}
SelectedIndex--;
};
_tabLayout.Content = view;
Children.Add(_tabLayout, 0, 1);
//TODO
//update selected tab
var headerLayout = Children[0] as StackLayout;
foreach (var i in headerLayout.Children)
{
var j = i as TabLayout;
}
var c = headerLayout.Children.ElementAt(SelectedIndex) as TabLayout;
foreach (var child in headerLayout.Children)
{
(child as TabLayout).IsSelected = false;
(child as TabLayout).BackgroundColor = Color.Silver;
}
c.IsSelected = true;
c.BackgroundColor = Color.White;
}