void OnListElementDragBegin(ActionListDraggableElement source)
{
// Change the container of the UI Element (make it in front of all the other elements)
onDrag = true;
CreateTempDragContainer();
source.transform.SetParent(tempDragContainer.transform);
}
void OnListElementDragEnd(ActionListDraggableElement source)
{
// Check if the UI element is included in the rect of another placeHolder
// if this placeHolder is different, swap the two elements in the list
onDrag = false;
RectTransform sourceRect = source.gameObject.GetComponent <RectTransform>();
Debug.Log("On drag End, source: " + source.gameObject.name + " position: " + sourceRect);
int originalIndex = toDoList.Items.FindIndex(n => n == source.GetAction());
for (int index = 0; index < placeHolders.Count; index++)
{
if (index == originalIndex)
{
continue;
}
RectTransform placeHolderRect = placeHolders[index].GetComponent <RectTransform>();
if (placeHolderRect.Overlaps(sourceRect, true))
{
DestroyTempDragContainer();
MoveListElementTo(originalIndex, index);
return;
}
}
source.gameObject.transform.SetParent(placeHolders[originalIndex].transform);
source.ResetPosition();
DestroyTempDragContainer();
}
// TODO: to optimise
private void UpdateTaskListUI()
{
ClearTaskListUI();
uiElements = new List <GameObject>();
if (toDoList != null && placeHolders != null)
{
int index = 0;
int nActions = toDoList.Items.Count;
foreach (GameObject placeHolder in placeHolders)
{
if (index >= nActions)
{
break;
}
Action action = toDoList.Items[index];
if (onDrag && DraggedElement != null && DraggedElement.GetAction() == action)
{
// if the action if on the dragged element, do nothing
}
else
{
GameObject obj = Instantiate(actionListElementPrefab, placeHolder.transform);
ActionListDraggableElement actionListElement = obj.GetComponent <ActionListDraggableElement>();
actionListElement.SetAction(action);
uiElements.Add(obj); // store object reference
}
index++;
}
}
}
