public void OnTouch(CustomPageView page, TouchData data)
{
if (transition != null)
{
transition.OnTouch(page, data);
}
}
protected override bool OnBackButtonPressed()
{
if (this.lastView != null)
{
SwitchCurrent(lastView, true);
lastView = null;
}
return(true);
}
public void SwitchCurrent(CustomPageView view, bool returning)
{
lastView = currentView;
currentView = view;
if (transition != null)
{
transition.Switch(currentView, lastView, returning);
}
}
public override bool OnTouchEvent(Android.Views.MotionEvent e)
{
if (this.Element is CustomPageView)
{
var view = this.Control;
TouchData data = TouchData.FromAndroid(e);
CustomPageView custom = (CustomPageView)this.Element;
custom.OnTouch(data);
}
return(true);
}
public void AddView(CustomPageView view, int x)
{
if (currentView == null)
{
currentView = view;
}
views.Add(view);
abs.Children.Add(view);
if (transition != null)
{
transition.Add(view);
}
view.SetParent(this);
}
public void Update()
{
double width = Core.Instance.PlatformManager.GetScreenWidth();
double height = Core.Instance.PlatformManager.GetScreenHeight();
List <CustomPageView> views = page.Views;
for (int i = 0; i < views.Count; i++)
{
CustomPageView v = views[i];
TransitionSlideData data = (TransitionSlideData)v.TransData;
if (v.IsEnabled)
{
data.CurrentPosition = DoubleUtil.Lerp(data.CurrentPosition, data.TargetPosition, data.Speed);
AbsoluteLayout.SetLayoutBounds(v, new Rectangle(data.CurrentPosition, 0, width, height));
}
}
}
public void Add(CustomPageView view)
{
if (currentView == null)
{
currentView = view;
}
double width = Core.Instance.PlatformManager.GetScreenWidth();
double height = Core.Instance.PlatformManager.GetScreenHeight();
TransitionSlideData data = new TransitionSlideData();
if (view != page.CurrentView)
{
data.CurrentPosition = width;
data.TargetPosition = width;
}
data.Speed = 0.2;
view.TransData = data;
AbsoluteLayout.SetLayoutBounds(view, new Rectangle(data.CurrentPosition, 0, width, height));
}
public void Switch(CustomPageView current, CustomPageView last, bool returning)
{
this.currentView = current;
this.lastView = last;
double width = Core.Instance.PlatformManager.GetScreenWidth();
List <CustomPageView> views = page.Views;
for (int i = 0; i < views.Count; i++)
{
CustomPageView v = views[i];
v.IsEnabled = false;
v.IsVisible = false; // disable everything
}
current.IsEnabled = true;
current.IsVisible = true;
TransitionSlideData curData = (TransitionSlideData)current.TransData;
curData.TargetPosition = 0;
if (last != null)
{
last.IsEnabled = true;
last.IsVisible = true;
TransitionSlideData lastData = (TransitionSlideData)last.TransData;
if (returning)
{
lastData.TargetPosition = width;
}
else
{
lastData.TargetPosition = -width;
}
}
}
public CustomPage(CustomPageView view)
: this()
{
AddView(view, 0);
}
public void OnTouch(CustomPageView view, TouchData touch)
{
}
