PKHeX/PKHeX.WinForms/Controls/Slots/SlotChangeInfo.cs

using PKHeX.Core;

namespace PKHeX.WinForms.Controls
{
    public sealed class SlotChangeInfo<TCursor, TImageSource> where TCursor : class
    {
        public bool LeftMouseIsDown { get; set; }
        public bool DragDropInProgress { get; set; }

        public TCursor? Cursor { get; set; }
        public string? CurrentPath { get; set; }

        public SlotViewInfo<TImageSource>? Source { get; set; }
        public SlotViewInfo<TImageSource>? Destination { get; set; }

        public void Reset()
        {
            LeftMouseIsDown = DragDropInProgress = false;
            CurrentPath = null;
            Cursor = default;
        }

        public bool SameLocation => (Destination != null) && (Source?.Equals(Destination) ?? false);

        private bool SourceIsParty => Source?.Slot is SlotInfoParty;
        private bool DestinationIsParty => Destination?.Slot is SlotInfoParty;

        /// <summary>
        /// Used to indicate if the changes will alter the player's party data state.
        /// </summary>
        public bool DragIsParty => SourceIsParty || DestinationIsParty;

        public bool DragIsSwap => Source is not null && Destination is not null;
    }
}