public override nint GetPresentationCount(UIPageViewController pageViewController)
{
var count = ItemSource.Count();
return(PageIndicatorEnabled ?
(count == 1 ? 0 : count) :
0);
}
public override void Construct()
{
if (ItemSource != null)
{
SizeToGrid = new Point(ItemSource.Count(), 1);
}
Corners = Scale9Corners.Top | Scale9Corners.Right | Scale9Corners.Left;
Hidden = !IsRootTray;
base.Construct();
}
private void MoveTo(int nextValue)
{
var currentIndex = ItemSource.ToList().IndexOf(WorkingItem);
var newIndex = currentIndex + nextValue;
if (newIndex < 0 || newIndex >= ItemSource.Count())
{
return;
}
WorkingItem = ItemSource.ElementAt(newIndex);
OnPropertyChanged(nameof(WorkingItem));
}
public override void Construct()
{
if (ItemSource != null)
{
SizeToGrid = new Point(ItemSource.Count(), 1);
}
Corners = 0; // Scale9Corners.Top | Scale9Corners.Right;
Hidden = true;
Transparent = true;
HotKeys = true;
base.Construct();
}
protected override UIViewController GetViewControllerAtIndex(int index)
{
if (index < 0 || index >= ItemSource.Count())
{
return(null);
}
// Here, you can choose to use the built-in CreateViewController()
// or instanciate your own view controllers
var parameters = new { index = index, title = ItemSource.ElementAt(index) as string };
// If your controller is a IMvxPageViewController, you can also pass the index, and then PageIndex will be set automatically
// For VM with CreateViewController() the controller will be constructed late, there is no way to set it directly excepted passing it as Init() parameter
// For instance:
// var vm = Mvx.IocConstruct<OnePageViewModel>();
// vm.Init(index, ItemSource.ElementAt(index) as string);
// var viewController = (PageView as IMvxIosView).CreateViewControllerFor(vm) as UIViewController;
var viewController = this.CreateViewController <OnePageViewModel>(parameters);
return(viewController);
}
private void Label_MouseDown(object sender, MouseButtonEventArgs e)
{
var lb = sender as Label;
if (null == lb)
{
return;
}
var selText = lb.Content.ToString();
var i = 0;
foreach (var eStr in ItemSource)
{
if (eStr == selText)
{
break;
}
i++;
}
if (i == ItemSource.Count())
{
throw new Exception("BitFieldSelector 找不到选择的对应值！");
}
if (((m_bitValue >> i) & 1) == 1)
{
// 已选中，再点击是取消
//lb.Background = new SolidColorBrush(Colors.Gray);
SetBitUISelected(lb, false);
m_bitValue &= (~(0x01 << i));
}
else
{
// 未选中，点击选中
//lb.Background = new SolidColorBrush(Colors.Blue);
SetBitUISelected(lb, true);
m_bitValue |= (0x01 << i);
}
}
public override UIViewController GetPreviousViewController(UIPageViewController pageViewController, UIViewController referenceViewController)
{
if (ItemSource.Count() == 1)
{
return(null);
}
var page = GetPageIndexForController(referenceViewController);
if (page != -1)
{
var index = (page == 0) ?
(CanLoop ? ItemSource.Count() : 0) - 1 :
(page - 1);
return(index == -1 ? null : GetViewControllerAtIndex(index));
}
return(null);
}
public override UIViewController GetNextViewController(UIPageViewController pageViewController, UIViewController referenceViewController)
{
if (ItemSource.Count() == 1)
{
return(null);
}
var page = GetPageIndexForController(referenceViewController) + 1;
if (page != 0)
{
var index = (page == ItemSource.Count()) ?
(CanLoop ? 0 : -1) :
(page);
return(index == -1 ? null : GetViewControllerAtIndex(index));
}
return(null);
}
protected override UIViewController GetViewControllerAtIndex(int index)
{
if (ItemSource == null || ItemSource.Count() == 0)
{
return(null);
}
UIViewController viewController;
if (!_cachedVC.TryGetValue(index, out viewController))
{
var viewModel = ItemSource.ElementAt(index) as IMvxViewModel;
viewModel.Initialize();
viewController = (PageView as IMvxIosView)?.CreateViewControllerFor(viewModel) as UIViewController;
_cachedVC[index] = viewController;
}
return(viewController);
}