public void StartDragging(IDragAndDropNode startNode)
{
_currentDraggable = startNode.GetDraggable();
if (_currentDraggable != null) {
_startNode = startNode;
foreach (IDragAndDropNode node in _nodes) {
if (!node.Equals(startNode))
node.OnDragStarted(_currentDraggable);
}
}
}
public void OnDrop(IDragAndDropNode dropNode)
{
if (dropNode.OnDrop(_currentDraggable) && _startNode != dropNode)
_startNode.OnDragFinished();
else
_startNode.OnDragCancelled();
foreach (IDragAndDropNode node in _nodes) {
if (!node.Equals(_startNode) && !node.Equals(dropNode))
node.OnDragCancelled();
}
}
private static bool IsNodeInPosition(IDragAndDropNode node, Vector2 position)
{
var minX = node.GetDragableTopLeftCorner().x;
var minY = node.GetDragableTopLeftCorner().y;
var maxX = node.GetDragableBottomRightCorner().x;
var maxY = node.GetDragableBottomRightCorner().y;
return position.x > minX && position.y > minY && position.x < maxX && position.y < maxY;
}
public void RemoveNode(IDragAndDropNode node)
{
_nodes.Remove(node);
}
public void AddNode(IDragAndDropNode node)
{
_nodes.Add(node);
}
