namespace HydroUI
{
    public partial class DMap : XtraUserControl
    {

        public TContainer TC = new TContainer();

        /// <summary>
        /// 地图选项
        /// </summary>
        public MapDimensions mapOption
        {
            get { return TC.mapOption; }
            set { TC.mapOption = value; }
        }


        /// <summary>
        /// 临时管网层
        /// </summary>
        [Browsable(false)]
        public Template _newTemplate
        {
            get { return TC.newTemplate; }
            set { TC.newTemplate = value; }
        }


        [Browsable(false)]
        public Template _Template
        {
            get { return TC.template; }
        }


        private bool _needPaintAll;
        private Bitmap buffer;

        public DrawDelegate DrawNet = null;
        public DrawDelegate DrawNetNew = null;

        public DrawDelegate DrawBackGroundPic = null;

        //绘制辅助线
        public DrawDelegate DrawAuxiliary = null;

        public MouseDelegate onMouseDown = null;
        public MouseDelegate onMouseMove = null;
        public MouseDelegate onMouseUp = null;
        public MouseDelegate onMouseWheel = null;
        public DrawingMode drawingMode = DrawingMode.All;

        private bool Inited = false;

        public DrawingStatus Status = DrawingStatus.Ready;
        public DMap()
        {
            InitializeComponent();
            DoubleBuffered = true;
        }

        //补充参数
        public void Init(TContainer TC, DrawDelegate[] Draws, MouseDelegate[] MouseEvents)
        {
            this.TC = TC;
            this.DrawNet = Draws[0];
            this.DrawNetNew = Draws[1];
            this.DrawBackGroundPic = Draws[2];
            this.DrawAuxiliary = Draws[3];
            this.onMouseDown = MouseEvents[0];
            this.onMouseMove = MouseEvents[1];
            this.onMouseUp = MouseEvents[2];
            this.onMouseWheel = MouseEvents[3];
            this.Inited = true;
            this.Status = DrawingStatus.Ready;
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            this.Status = DrawingStatus.drawingBase;
            base.OnPaint(e);
            if (!Inited) { this.Status = DrawingStatus.Ready; return; }
            if (float.IsInfinity(mapOption.zoom)) { this.Status = DrawingStatus.Ready; return; }

            _needPaintAll = false;
            if (buffer == null || buffer.Width != Width || buffer.Height != Height)
            {
                buffer?.Dispose();
                buffer = new Bitmap(Width, Height);
            }
            // 使用缓存绘制，避免在每次重绘时重新计算所有要绘制的元素
            var bufferG = Graphics.FromImage(buffer);
            // 先将控件的背景填充为白色
            bufferG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            bufferG.Clear(Color.Transparent);
            bufferG.TranslateTransform(Width / 2, Height / 2);
            bufferG.ScaleTransform(mapOption.zoom, -mapOption.zoom);
            bufferG.TranslateTransform(-mapOption.Center.X, -mapOption.Center.Y);


            this.Status = DrawingStatus.drawingPic;
            DrawBackGroundPic(bufferG, _Template);
            this.Status = DrawingStatus.drawingNet;
            //BookMark    ：绘制地图事件
            DrawNet(bufferG, _Template);

            this.Status = DrawingStatus.drawingNetNew;
            if (_newTemplate?.network != null) DrawNetNew(bufferG, _newTemplate);

            this.Status = DrawingStatus.drawingOthers;
            DrawAuxiliary(bufferG, null);
            // 将生成的画布绘制到控件上
            e.Graphics.DrawImage(buffer, 0, 0);

            bufferG.Dispose();
            this.Status = DrawingStatus.Ready;

        }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            base.OnMouseDown(e);
            if (Inited) onMouseDown(e);
        }
        protected override void OnMouseMove(MouseEventArgs e)
        {
            base.OnMouseMove(e);
            if (Inited) onMouseMove(e);
        }
        protected override void OnMouseUp(MouseEventArgs e)
        {
            base.OnMouseUp(e);
            if (Inited) onMouseUp(e);
        }

        private void InitializeComponent()
        {

        }

        protected override void OnMouseWheel(MouseEventArgs ev)
        {
            base.OnMouseWheel(ev);
            if (Inited) onMouseWheel(ev);
        }

    }
}