async void RestoreDragLayout(ViewGroup dragA, ViewGroup dragB, MyShadowBuilder dragShadowA, MyShadowBuilder dragShadowB)
{
FillLayout(dragA, 100);
FillLayout(dragB, 100);
FillLine();
await Task.Delay(500);
onFocus();
}
void SetUpDragAndDrop()
{
/*
* Init Drag
*/
var dragA = _view.FindViewById <FrameLayout> (Resource.Id.stoppingPlacesCardDragOne);
var dragB = _view.FindViewById <FrameLayout> (Resource.Id.stoppingPlacesCardDragTwo);
var dropA = _view.FindViewById <FrameLayout> (Resource.Id.stoppingPlacesCardDropOne);
var dropB = _view.FindViewById <FrameLayout> (Resource.Id.stoppingPlacesCardDropTwo);
var dragAShadow = new MyShadowBuilder(dragA);
var dragBShadow = new MyShadowBuilder(dragB);
/*
* Handle Drag
*/
dragA.Touch += (object sender, View.TouchEventArgs e) => {
var evt = e.Event.Action;
var point = new Point((int)e.Event.RawX, (int)e.Event.RawY);
switch (evt)
{
case MotionEventActions.Down:
dragAShadow.lastTouch = point;
dragA.StartDrag(ClipData.NewPlainText("from", "A"), dragAShadow, null, 0);
FillLayout(dropB);
offFocus();
HideLayoutInvisible(dragA);
break;
case MotionEventActions.Move:
dragAShadow.lastTouch = point;
break;
case MotionEventActions.Up:
RestoreDragLayout(dragA, dragB, dragAShadow, dragBShadow);
break;
}
};
dragB.Touch += (object sender, View.TouchEventArgs e) => {
var evt = e.Event.Action;
var point = new Point((int)e.Event.RawX, (int)e.Event.RawY);
switch (evt)
{
case MotionEventActions.Down:
dragBShadow.lastTouch = point;
dragB.StartDrag(ClipData.NewPlainText("from", "B"), dragBShadow, null, 0);
FillLayout(dropA);
offFocus();
HideLayoutInvisible(dragB);
break;
case MotionEventActions.Move:
dragBShadow.lastTouch = point;
break;
case MotionEventActions.Up:
RestoreDragLayout(dragA, dragB, dragAShadow, dragBShadow);
break;
}
};
_view.Drag += (object sender, View.DragEventArgs e) => {
var evt = e.Event;
switch (evt.Action)
{
case DragAction.Drop:
RestoreDragLayout(dragA, dragB, dragAShadow, dragBShadow);
e.Handled = true;
break;
}
};
/*
* Handle Drop
*/
//var dragB = _view.FindViewById<FrameLayout> (Resource.Id.stoppingPlacesCardDragTwo);
dropA.Drag += (object sender, View.DragEventArgs e) => {
var evt = e.Event;
switch (evt.Action)
{
case DragAction.Drop:
e.Handled = true;
if (e.Event.ClipData.GetItemAt(0).Text == "B")
{
ChangeDirection();
HideLayout(dropA);
FillLayout(dragB);
}
break;
case DragAction.Ended:
RestoreDragLayout(dragA, dragB, dragAShadow, dragBShadow);
break;
}
};
dropB.Drag += (object sender, View.DragEventArgs e) => {
var evt = e.Event;
switch (evt.Action)
{
case DragAction.Drop:
e.Handled = true;
if (e.Event.ClipData.GetItemAt(0).Text == "A")
{
ChangeDirection();
HideLayout(dropB);
FillLayout(dragA);
}
break;
case DragAction.Ended:
RestoreDragLayout(dragA, dragB, dragAShadow, dragBShadow);
break;
}
};
}
