public CrossWordPage()
{
InitializeComponent();
BindingContext = new CrossWordDrawLineViewModel(canvas);
gridButtonSize = App.ScreenWidth / gridMatrixSize;
wordList.Add("ABC");
wordList.Add("DE");
wordList.Add("AEI");
CreateGrid();
CreateCanvas();
AddButtons();
clearCanvasButton.Clicked += ClearCanvasButton_Clicked;
}
private void OnTouch(object sender, Android.Views.View.TouchEventArgs args)
{
// Two object common to all the events
Android.Views.View senderView = sender as Android.Views.View;
MotionEvent motionEvent = args.Event;
// Get the pointer index
int pointerIndex = motionEvent.ActionIndex;
// Get the id that identifies a finger over the course of its progress
int id = motionEvent.GetPointerId(pointerIndex);
senderView.GetLocationOnScreen(twoIntArray);
Point screenPointerCoords = new Point(twoIntArray[0] + motionEvent.GetX(pointerIndex),
twoIntArray[1] + motionEvent.GetY(pointerIndex));
// Use ActionMasked here rather than Action to reduce the number of possibilities
switch (args.Event.ActionMasked)
{
case MotionEventActions.Down:
case MotionEventActions.PointerDown:
Console.WriteLine("GridBuuttonRenderer");
//CrossWordDrawLineViewModel.touchPressed = new SKPoint(twoIntArray[0] + motionEvent.GetX(pointerIndex),
//twoIntArray[1] + motionEvent.GetY(pointerIndex));
CrossWordDrawLineViewModel.changeLineColor = false;
CrossWordDrawLineViewModel.changeLineColorMethod();
CrossWordDrawLineViewModel.touchPressed = GetPressedViewCenterPoint(senderView);
FireEvent(this, id, TouchActionType.Pressed, screenPointerCoords, true);
idToEffectDictionary.Add(id, this);
capture = libTouchEffect.Capture;
break;
case MotionEventActions.Move:
// Multiple Move events are bundled, so handle them in a loop
for (pointerIndex = 0; pointerIndex < motionEvent.PointerCount; pointerIndex++)
{
id = motionEvent.GetPointerId(pointerIndex);
if (capture)
{
senderView.GetLocationOnScreen(twoIntArray);
screenPointerCoords = new Point(twoIntArray[0] + motionEvent.GetX(pointerIndex),
twoIntArray[1] + motionEvent.GetY(pointerIndex));
FireEvent(this, id, TouchActionType.Moved, screenPointerCoords, true);
}
else
{
CrossWordDrawLineViewModel.changeLineColor = false;
CheckForBoundaryHop(id, screenPointerCoords);
new MessageCenterHelper().SendMessageMenu(null);
if (idToEffectDictionary[id] != null)
{
FireEvent(idToEffectDictionary[id], id, TouchActionType.Moved, screenPointerCoords, true);
}
}
}
break;
case MotionEventActions.Up:
case MotionEventActions.Pointer1Up:
if (capture)
{
FireEvent(this, id, TouchActionType.Released, screenPointerCoords, false);
}
else
{
CheckForBoundaryHop(id, screenPointerCoords);
//CrossWordDrawLineViewModel.touchReleased = new SKPoint((float)screenPointerCoords.X, (float)screenPointerCoords.Y);
CrossWordDrawLineViewModel.changeLineColor = false;
new MessageCenterHelper().SendMessageMenu(null);
if (idToEffectDictionary[id] != null)
{
FireEvent(idToEffectDictionary[id], id, TouchActionType.Released, screenPointerCoords, false);
}
}
idToEffectDictionary.Remove(id);
break;
case MotionEventActions.Cancel:
if (capture)
{
FireEvent(this, id, TouchActionType.Cancelled, screenPointerCoords, false);
}
else
{
if (idToEffectDictionary[id] != null)
{
FireEvent(idToEffectDictionary[id], id, TouchActionType.Cancelled, screenPointerCoords, false);
}
}
idToEffectDictionary.Remove(id);
break;
}
}
