// 
// このコードは、DioDocs for PDF のサンプルの一部として提供されています。
// © MESCIUS inc. All rights reserved.
// 
using System;
using System.IO;
using System.Drawing;
using System.Numerics;
using GrapeCity.Documents.Pdf;
using GrapeCity.Documents.Text;
using GrapeCity.Documents.Common;
using GrapeCity.Documents.Drawing;
using GrapeCity.Documents.Layout;
using GCTEXT = GrapeCity.Documents.Text;
using GCDRAW = GrapeCity.Documents.Drawing;

namespace DsPdfWeb.Demos
{
    // このサンプルでは、GrapeCity.Documents.Drawing.TableRenderer クラスなどを使用して、
    // 階層構造になったデータを持つテーブルを描画する方法を紹介しています。
    public class HierarchicalTable
    {
        public int CreatePDF(Stream stream)
        {
            var doc = new GcPdfDocument();
            var p = doc.Pages.Add(new SizeF(doc.PageSize.Height, doc.PageSize.Width));
            var g = p.Graphics;

            DrawTable(g, g.CanvasSize.Width, g.CanvasSize.Height);

            // PDF を保存します。
            doc.Save(stream);
            return doc.Pages.Count;
        }

        class Range
        {
            public Range(double valueLow, double deltaLow, double valueHigh, double deltaHigh)
            {
                ValueLow = valueLow;
                DeltaLow = deltaLow;
                ValueHigh = valueHigh;
                DeltaHigh = deltaHigh;
            }
            public double ValueLow { get; }
            public double DeltaLow { get; } 
            public double ValueHigh { get; } 
            public double DeltaHigh { get; }
        }

        class Scope
        {
            public Scope(int ntrials, Range ad, Range @as, Range nr, Range ra, Range av)
            {
                Ntrials = ntrials;
                AD = ad;
                AS = @as;
                NR = nr;
                RA = ra;
                AV = av;
            }
            public int Ntrials { get; }
            public Range AD { get; }
            public Range AS { get; }
            public Range NR { get; }
            public Range RA { get; }
            public Range AV { get; }
        }

        static readonly Scope[] Data = new Scope[]
        {
            new Scope(20, new Range(50.5, 3.2, 74.8, 4.9), new Range(50.4, 3.6, 74.9, 6.8),
                new Range(50.3, 2.7, 75.2, 6.5), new Range(49.9, 2.6, 74.8, 6.6), new Range(50.3, 3.0, 74.9, 6.2)),
            new Scope(60, new Range(50.3, 4.5, 75.1, 4.5), new Range(50.8, 4.1, 75.6, 6.5),
                new Range(50.7, 3.4, 75.7, 5.7), new Range(49.5, 2.9, 74.7, 5.9), new Range(50.3, 3.7, 75.3, 5.6)),
            new Scope(100, new Range(52.6, 4.7, 75.9, 4.8), new Range(50.3, 4.6, 75.6, 5.9),
                new Range(51.1, 4.1, 75.3, 5.4), new Range(49.8, 3.3, 74.9, 5.3), new Range(51.9, 4.2, 75.4, 5.4)),
            new Scope(140, new Range(51.7, 5.3, 75.8, 7.0), new Range(49.8, 5.7, 75.4, 6.8),
                new Range(51.4, 4.4, 75.6, 5.6), new Range(49.5, 3.5, 74.6, 6.2), new Range(50.6, 4.7, 75.4, 6.4)),
            new Scope(180, new Range(51.5, 8.4, 76.2, 9.5), new Range(52.2, 6.6, 74.9, 7.0),
                new Range(52.0, 4.9, 75.7, 6.4), new Range(50.7, 4.2, 74.8, 6.3), new Range(51.6, 6.0, 75.4, 7.3))
        };

        static void DrawTable(GcGraphics g, float pageWidth, float pageHeight)
        {
            var host = new LayoutHost();
            var view = host.CreateView(pageWidth, pageHeight);

            var rt = view.CreateRect();
            rt.AnchorTopLeft(null, 36, 36);

            int scopeCount = Data.Length;

            var ta = new TableRenderer(g,
                rt, FixedTableSides.TopLeft,
                rowCount: 12,
                columnCount: scopeCount + 2,
                gridLineColor: Color.Black,
                gridLineWidth: 1,
                rowMinHeight: 20);

            // 一部のグリッド線の幅を太くします。
            ta.SetVerticalGridLineWidth(2, 3f);
            for (int i = 0; i < 13; i += 2)
            {
                ta.SetHorizontalGridLineWidth(i, 3f);
            }

            var fmt = new TextFormat
            {
                Font = GCTEXT.Font.FromFile(Path.Combine("Resources", "Fonts", "ipag.ttc")),
                FontSize = 16,
                FontSizeInGraphicUnits = true
            };

            ta.AddCell(0, 0, 2, 2);
            ta.AddCell(new CellStyle
            {
                TextAlignment = TextAlignment.Center,
                CreateTextLayout = (g, cs, data) =>
                {
                    var tl = g.CreateTextLayout();
                    tl.Append("｜", fmt);
                    tl.Append("Ｎ 試験", new TextFormat(fmt) { FontItalic = true });
                    tl.Append("｜", fmt);
                    return tl;
                }
            }, 0, 2, 1, scopeCount, null);

            var cs = new CellStyle
            {
                PaddingLeftRight = 10,
                TextAlignment = TextAlignment.Center,
                ParagraphAlignment = ParagraphAlignment.Center,
                FixedWidth = false,
                TextFormat = fmt
            };

            // 回転したセルを追加します。
            ta.AddCell(new CellStyle(cs)
            {
                PaddingTopBottom = 10,
                RotationAngle = 270
            }, 2, 0, 8, 1, "教科");

            // DefaultCellStyle プロパティにスタイルを設定し、
            // AddCell メソッドを呼び出す際にスタイルを渡さないようにします。
            ta.DefaultCellStyle = cs;

            ta.AddCell(2, 1, 2, 1, "AD");
            ta.AddCell(4, 1, 2, 1, "AS");
            ta.AddCell(6, 1, 2, 1, "NR");
            ta.AddCell(8, 1, 2, 1, "RA");
            ta.AddCell(10, 0, 2, 2, "平均：");

            for (int i = 0; i < scopeCount; i++)
            {
                var sc = Data[i];
                int ci = i + 2;
                ta.AddCell(1, ci, sc.Ntrials.ToString());
                ta.AddCell(2, ci, $"{sc.AD.ValueLow:n1} ± {sc.AD.DeltaLow:n1}");
                ta.AddCell(3, ci, $"{sc.AD.ValueHigh:n1} ± {sc.AD.DeltaHigh:n1}");
                ta.AddCell(4, ci, $"{sc.AS.ValueLow:n1} ± {sc.AS.DeltaLow:n1}");
                ta.AddCell(5, ci, $"{sc.AS.ValueHigh:n1} ± {sc.AS.DeltaHigh:n1}");
                ta.AddCell(6, ci, $"{sc.NR.ValueLow:n1} ± {sc.NR.DeltaLow:n1}");
                ta.AddCell(7, ci, $"{sc.NR.ValueHigh:n1} ± {sc.NR.DeltaHigh:n1}");
                ta.AddCell(8, ci, $"{sc.RA.ValueLow:n1} ± {sc.RA.DeltaLow:n1}");
                ta.AddCell(9, ci, $"{sc.RA.ValueHigh:n1} ± {sc.RA.DeltaHigh:n1}");
                ta.AddCell(10, ci, $"{sc.AV.ValueLow:n1} ± {sc.AV.DeltaLow:n1}");
                ta.AddCell(11, ci, $"{sc.AV.ValueHigh:n1} ± {sc.AV.DeltaHigh:n1}");
            }

            // 1行おきに背景色を追加します。
            ta.DefaultCellStyle = new CellStyle
            {
                FillColor = Color.FromArgb(233, 240, 222),
                Background = true
            };
            for (int i = 3; i < 12; i += 2)
            {
                ta.AddCell(i, 2, 1, scopeCount);
            }

            ta.Render();
        }
    }
}