public bool OnDrag(View view, DragEvent dragEvent)
{
if (dragEvent.LocalState is SpeechDragData)
{
if (((SpeechDragData)dragEvent.LocalState).dragHandler != this)
{
// Not this object
return false;
}
}
else
{
if (Successor != null)
{
if (Successor is View.IOnDragListener)
{
return (Successor as View.IOnDragListener).OnDrag(view, dragEvent);
}
}
}
bool result = true;
switch (dragEvent.Action)
{
case DragEvent.ACTION_DRAG_STARTED:
//view.Alpha = (0.3f);
inDrag = true;
break;
case DragEvent.ACTION_DRAG_ENDED:
//view.Alpha = (1.00f);
inDrag = false;
break;
case DragEvent.ACTION_DRAG_EXITED:
inDrag = false;
break;
case DragEvent.ACTION_DROP:
break;
case DragEvent.ACTION_DRAG_LOCATION:
break;
default:
break;
}
return result;
}
public bool OnDrag(View view, DragEvent dragEvent)
{
bool result = true;
MoveDragData dragData = null;
if (dragEvent.LocalState is MoveDragData)
{
dragData = dragEvent.LocalState as MoveDragData;
}
else
{
if (Successor is View.IOnDragListener)
{
return (Successor as View.IOnDragListener).OnDrag(view, dragEvent);
}
}
switch (dragEvent.Action)
{
case DragEvent.ACTION_DRAG_STARTED:
break;
case DragEvent.ACTION_DRAG_ENTERED:
view.SetBackgroundColor(view.Context.Resources.GetColor(R.Color.accent_blue));
//float[] single = { 1.0F, 0.5F };
//anim = ObjectAnimator.OfFloat((Object)view, "alpha", single);
//anim.SetInterpolator(new CycleInterpolator(40));
//anim.SetDuration(30 * 1000); // 30 seconds
//anim.Start();
break;
case DragEvent.ACTION_DRAG_ENDED:
case DragEvent.ACTION_DRAG_EXITED:
view.SetBackgroundColor(view.Context.Resources.GetColor(R.Color.light_blue));
//if (anim != null)
//{
// anim.End();
// anim = null;
//}
break;
case DragEvent.ACTION_DROP:
view.SetBackgroundColor(view.Context.Resources.GetColor(R.Color.light_blue));
//if (anim != null)
//{
// anim.End();
// anim = null;
//}
// Dropped, reassign View to ViewGroup
var dragedView = dragData.draggedView;
ViewGroup owner = (ViewGroup)dragedView.Parent;
owner.RemoveView(dragedView);
//LinearLayout container = (LinearLayout)view;
HorizontalFlowLayout container = (HorizontalFlowLayout)view;
container.AddView(dragedView);
dragedView.Visibility = (View.VISIBLE);
// Inform all listeners
OnMoveDropAccepted(dragData.dragHandler.CurrentContainer, Id, (dragData as MoveDragData).dragHandler.CheckerData);
// Set as currentContainer
dragData.dragHandler.CurrentContainer = Id;
break;
case DragEvent.ACTION_DRAG_LOCATION:
break;
default:
break;
}
return result;
}
public bool OnDrag(AViews.View view, AViews.DragEvent e)
{
switch (e.Action)
{
case AViews.DragAction.Started:
break;
case AViews.DragAction.Entered:
System.Diagnostics.Debug.WriteLine($"DragAction.Entered from {view.GetType()}");
if (!(view is AWidget.ListView))
{
var dragItem = (DragItem)e.LocalState;
var targetPosition = InsertOntoView(view, dragItem);
dragItem.Index = targetPosition;
// Keep a list of items that has translation so we can reset
// them once the drag'n'drop is finished.
translatedItems.Add(view);
listView.Invalidate();
}
break;
case AViews.DragAction.Location:
break;
case AViews.DragAction.Exited:
System.Diagnostics.Debug.WriteLine($"DragAction.Entered from {view.GetType()}");
if (!(view is AWidget.ListView))
{
var positionEntered = GetListPositionForView(view);
System.Diagnostics.Debug.WriteLine($"DragAction.Exited index {positionEntered}");
}
break;
case AViews.DragAction.Drop:
System.Diagnostics.Debug.WriteLine($"DragAction.Drop from {view.GetType()}");
break;
case AViews.DragAction.Ended:
System.Diagnostics.Debug.WriteLine($"DragAction.Ended from {view.GetType()}");
if (!(view is AWidget.ListView))
{
return(false);
}
var mobileItem = (DragItem)e.LocalState;
mobileItem.View.Visibility = AViews.ViewStates.Visible;
foreach (var v in translatedItems)
{
v.TranslationY = 0;
}
translatedItems.Clear();
if (element.ItemsSource is IOrderableCollection orderable)
{
orderable.ChangeOrder(mobileItem.OriginalIndex, mobileItem.Index);
}
break;
}
return(true);
}
