using FastReport.Controls;
using FastReport.Utils;

namespace FastReport.Design.Toolbars
{
    internal class PolygonToolbar : DesignerToolbarBase
    {
        #region Fields
        public ToolbarButton btnMove;
        public ToolbarButton btnPointer;
        public ToolbarButton btnAddPoint;
        public ToolbarButton btnAddBezier;
        public ToolbarButton btnRemovePoint;
        #endregion

        #region Private Methods
        private void UpdateControls()
        {
            bool enabled = (Designer.SelectedObjects.Count == 1) && (Designer.SelectedObjects[0] is PolyLineObject);
            btnMove.Enabled = enabled;
            btnPointer.Enabled = enabled;
            btnAddBezier.Enabled = enabled;
            btnAddPoint.Enabled = enabled;
            btnRemovePoint.Enabled = enabled;
            if (!enabled)
                selectBtn(PolyLineObject.PolygonSelectionMode.MoveAndScale);
            else
            {
                PolyLineObject plobj = (Designer.SelectedObjects[0] as PolyLineObject);
                selectBtn(plobj.SelectionMode);
            }
        }

        private void selectBtn(PolyLineObject.PolygonSelectionMode index)
        {
            btnPointer.Checked = false;
            btnAddBezier.Checked = false;
            btnAddPoint.Checked = false;
            btnRemovePoint.Checked = false;
            btnMove.Checked = false;
            switch (index)
            {
                case PolyLineObject.PolygonSelectionMode.Normal:
                    btnPointer.Checked = true;
                    break;
                case PolyLineObject.PolygonSelectionMode.AddBezier:
                    btnAddBezier.Checked = true;
                    break;
                case PolyLineObject.PolygonSelectionMode.AddToLine:
                    btnAddPoint.Checked = true;
                    break;
                case PolyLineObject.PolygonSelectionMode.Delete:
                    btnRemovePoint.Checked = true;
                    break;
                case PolyLineObject.PolygonSelectionMode.MoveAndScale:
                    btnMove.Checked = true;
                    break;
            }
        }
        #endregion

        #region Public Methods
        public override void SelectionChanged()
        {
            base.SelectionChanged();
            Throttle.Execute(UpdateControls);
        }

        public override void UpdateContent()
        {
            base.UpdateContent();
            Throttle.Execute(UpdateControls);
        }

        public override void Localize()
        {
            base.Localize();
            MyRes res = new MyRes("Designer,Toolbar,Polygon");
            Text = res.Get("");

            SetItemText(btnMove, res.Get("MoveScale"));
            SetItemText(btnPointer, res.Get("Pointer"));
            SetItemText(btnAddPoint, res.Get("AddPoint"));
            SetItemText(btnAddBezier, res.Get("Bezier"));
            SetItemText(btnRemovePoint, res.Get("RemovePoint"));
        }
        #endregion


        public PolygonToolbar(Designer designer) : base(designer)
        {
            Name = "PolygonToolbar";

            btnMove = new ToolbarButton("btnMove", 256, Designer.CmdPolySelectMove.Invoke);
            btnPointer = new ToolbarButton("btnPolygonPointer", 252, Designer.CmdPolySelectPointer.Invoke);
            btnAddPoint = new ToolbarButton("btnPolygonAddPoint", 253, Designer.CmdPolySelectAddPoint.Invoke);
            btnAddBezier = new ToolbarButton("btnPolygonAddPointToStart", 254, Designer.CmdPolySelectBezier.Invoke);
            btnRemovePoint = new ToolbarButton("btnPolygonRemovePoint", 255, Designer.CmdPolySelectRemovePoint.Invoke);

            AddItems(btnMove, btnPointer, btnAddPoint, btnAddBezier, btnRemovePoint);
            selectBtn(PolyLineObject.PolygonSelectionMode.Normal);

            Localize();
            UpdateDpiDependencies();
        }
    }
}