3rdpartylibs/fastreports.wpf/FastReport.DesignExt/Controls/BorderSample.cs

using FastReport.Utils;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;

namespace FastReport.Controls
{
    internal class ToggleLineEventArgs
    {
        private Border border;
        private BorderLines line;
        private bool toggle;

        public Border Border
        {
            get { return border; }
            set { border = value; }
        }
        public BorderLines Line
        {
            get { return line; }
            set { line = value; }
        }
        public bool Toggle
        {
            get { return toggle; }
            set { toggle = value; }
        }

        public ToggleLineEventArgs(Border border, BorderLines line, bool toggle)
        {
            Border = border;
            Line = line;
            Toggle = toggle;
        }
    }

    internal delegate void ToggleLineEventHandler(object sender, ToggleLineEventArgs e);

    internal class BorderSample : Control
    {
        private Border border;
        public event ToggleLineEventHandler ToggleLine;

        [Browsable(false)]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        public Border Border
        {
            get { return border; }
            set { border = value; }
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            Graphics g = e.Graphics;

            int _5 = this.LogicalToDevice(5);
            int _6 = this.LogicalToDevice(6);
            int _10 = this.LogicalToDevice(10);
            int _11 = this.LogicalToDevice(11);

            // draw control frame
            this.DrawVisualStyleBorder(g, new Rectangle(0, 0, Width - 1, Height - 1));

            // draw corners
            Pen p = SystemPens.ControlDark;
            g.DrawLine(p, _10, _10, _10, _5);
            g.DrawLine(p, _10, _10, _5, _10);
            g.DrawLine(p, _10, Height - _11, _10, Height - _6);
            g.DrawLine(p, _10, Height - _11, _5, Height - _11);
            g.DrawLine(p, Width - _11, _10, Width - _11, _5);
            g.DrawLine(p, Width - _11, _10, Width - _6, _10);
            g.DrawLine(p, Width - _11, Height - _11, Width - _11, Height - _6);
            g.DrawLine(p, Width - _11, Height - _11, Width - _6, Height - _11);

            // draw text
            using (var sf = new StringFormat())
            {
                sf.Alignment = StringAlignment.Center;
                sf.LineAlignment = StringAlignment.Center;
                g.DrawString(Res.Get("Misc,Sample"), Font, SystemBrushes.WindowText, DisplayRectangle, sf);
            }

            // draw border
            if (Border != null)
            {
                using (var cache = new GraphicCache())
                {
                    float scale = this.DpiMultiplier();
                    Border.Draw(new FRPaintEventArgs(g, scale, scale, cache), new RectangleF(10, 10, Width / scale - 21, Height / scale - 21));
                }
            }
        }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            int _5 = this.LogicalToDevice(5);
            int _12 = this.LogicalToDevice(12);
            int _18 = this.LogicalToDevice(18);

            BorderLines line = BorderLines.None;
            if (e.X > _12 && e.X < Width - _12 && e.Y > _5 && e.Y < _18)
                line = BorderLines.Top;
            else if (e.X > _12 && e.X < Width - _12 && e.Y > Height - _18 && e.Y < Height - _5)
                line = BorderLines.Bottom;
            else if (e.X > _5 && e.X < _18 && e.Y > _12 && e.Y < Height - _12)
                line = BorderLines.Left;
            else if (e.X > Width - _18 && e.X < Width - _5 && e.Y > _12 && e.Y < Height - _12)
                line = BorderLines.Right;
            if (Border != null && ToggleLine != null)
            {
                ToggleLine(this, new ToggleLineEventArgs(Border, line, (Border.Lines & line) == 0));
                Refresh();
            }
        }

        public void UpdateDpiDependencies(Control owner)
        {
#if MONO
            // WPF: fix issues with multi-monitor dpi. Dropdown will be scaled automatically
            owner = this;
#endif
            if (owner == null)
                return;

            Size = owner.LogicalToDevice(new Size(160, 94));
        }

        public BorderSample()
        {
            SetStyle(ControlStyles.AllPaintingInWmPaint, true);
            SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
            BackColor = SystemColors.Window;
            Size = new Size(160, 94);
        }
    }
}