private void Grid_ManipulationStarted(object sender, ManipulationStartedRoutedEventArgs e)
{
Point point = e.Position;
Rect?boundingRect = null;
bool pointIsInEffectsSheet = CharacterSheetGrid.IsPointInElement(CharacterEffectsSheet, point);
bool pointIsInEffectsList = CharacterSheetGrid.IsPointInElement(PossibleEffectsList, point);
if (pointIsInEffectsSheet)
{
Point pointInChild = CharacterSheetGrid.TranslatePointToContainer(CharacterEffectsSheet, point);
originalSlotViewModel = CharacterEffectsSheet.GetEffectSlotAtPoint(pointInChild);
if (originalSlotViewModel != null)
{
draggedViewModel = originalSlotViewModel.ActiveEffect;
boundingRect = CharacterEffectsSheet.GetBoundingRectForItem(originalSlotViewModel);
dragStartPosition = StartPosition.EffectGrid;
}
}
else if (pointIsInEffectsList)
{
Point pointInChild = CharacterSheetGrid.TranslatePointToContainer(PossibleEffectsList, point);
draggedViewModel = PossibleEffectsList.GetItemAtPoint <EffectViewModel>(pointInChild);
dragStartPosition = StartPosition.PossibleList;
boundingRect = PossibleEffectsList.GetBoundingRectForItem(draggedViewModel, CharacterSheetGrid);
}
if (draggedViewModel != null)
{
manipulationInitialized = true;
DraggableEffect.EffectViewModel = draggedViewModel;
//Save the initial touch point so we can calculate deltas
lastManipulationPosition = point;
DraggableEffect.Width = 300;
DraggableEffect.Height = boundingRect.Value.Height - 20; //stupid magic number
DraggableEffectTranslateTransform.X = boundingRect.Value.X - (CharacterSheetGrid.ActualWidth / 2) + 150;
DraggableEffectTranslateTransform.Y = boundingRect.Value.Y - (CharacterSheetGrid.ActualHeight / 2) + (DraggableEffect.Height / 2);
DraggableEffect.Visibility = Visibility.Visible;
}
}
private void Grid_ManipulationCompleted(object sender, ManipulationCompletedRoutedEventArgs e)
{
if (manipulationInitialized)
{
DraggableEffect.Visibility = Visibility.Collapsed;
switch (dragStartPosition)
{
case StartPosition.EffectGrid:
{
bool pointIsInEffectsList = CharacterSheetGrid.IsPointInElement(PossibleEffectsList, e.Position);
if (pointIsInEffectsList)
{
CharacterViewModel.Effects.Add(draggedViewModel);
originalSlotViewModel.PopEffect();
}
RemoveEffectListHighlight();
break;
}
case StartPosition.PossibleList:
{
bool pointIsInEffectsSheet = CharacterSheetGrid.IsPointInElement(CharacterEffectsSheet, e.Position);
if (pointIsInEffectsSheet)
{
Point pointInEffectSheet = CharacterSheetGrid.TranslatePointToContainer(CharacterEffectsSheet, e.Position);
CharacterEffectsSheet.DropEffectInSlot(pointInEffectSheet, draggedViewModel);
}
CharacterEffectsSheet.ClearAllHighlights();
break;
}
}
draggedViewModel = null;
}
manipulationInitialized = false;
}
private void Grid_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
{
if (manipulationInitialized)
{
Point deltaPosition = e.Position.SubtractPoint(lastManipulationPosition);
DraggableEffectTranslateTransform.X += deltaPosition.X;
DraggableEffectTranslateTransform.Y += deltaPosition.Y;
lastManipulationPosition = e.Position;
switch (dragStartPosition)
{
case StartPosition.EffectGrid:
{
bool pointIsInEffectsList = CharacterSheetGrid.IsPointInElement(PossibleEffectsList, e.Position);
if (pointIsInEffectsList)
{
HighlightEffectsList();
}
else
{
RemoveEffectListHighlight();
}
break;
}
case StartPosition.PossibleList:
{
bool pointIsInEffectsSheet = CharacterSheetGrid.IsPointInElement(CharacterEffectsSheet, e.Position);
if (pointIsInEffectsSheet)
{
Point pointInEffectSheet = CharacterSheetGrid.TranslatePointToContainer(CharacterEffectsSheet, e.Position);
CharacterEffectsSheet.HighlightSlot(pointInEffectSheet);
}
break;
}
}
}
}
