using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WWPipeLine.MapTools.Conditions.AnalystToolBar
{
	public partial class DuanMianAnalystResult : Sunny.UI.UIForm
	{
		private DataTable m_dt;
		public DuanMianAnalystResult(DataTable dt)
		{
			InitializeComponent();
			//this.Size = new Size(820, 720);
			this.Style = Sunny.UI.UIStyle.Gray;
			this.StartPosition = FormStartPosition.Manual;
			this.Location = new System.Drawing.Point(10, 10);
			m_dt = dt;
		}

		private void AnalystResultForm_Load(object sender, EventArgs e)
		{
			DataColumn dataColumn;
			dataColumn = new DataColumn { ColumnName = "x", Caption = "X坐标" }; m_dt.Columns.Add(dataColumn);
			dataColumn = new DataColumn { ColumnName = "y", Caption = "Y坐标" }; m_dt.Columns.Add(dataColumn);

			int width = 800;// pictureBox.Width;
			int height = 600;// pictureBox.Height;
			Bitmap image = new Bitmap(width, height);
			//创建Graphics类对象
			Graphics g = Graphics.FromImage(image);
			g.SmoothingMode = SmoothingMode.AntiAlias;
			g.InterpolationMode = InterpolationMode.HighQualityBicubic;
			g.CompositingQuality = CompositingQuality.HighQuality;
			g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
			g.Clear(Color.White);

			Pen PenXYLine = Pens.Blue;
			Brush defaultBrush = Brushes.Black;
			Font fontNormal = new Font("Arial", 9, FontStyle.Regular);
			Font fontTitle = new Font("Arial", 16, FontStyle.Bold);

			//顶部标题
			g.DrawString(uitxtTitle.Text, fontTitle, defaultBrush, new PointF(width / 3, 10));

			//画图片的边框线
			g.DrawRectangle(PenXYLine, 0, 50, width - 2, height - 52);

			//绘制 Y轴线，直接从顶到底
			g.DrawLine(PenXYLine, 100, 50, 100, height);
			int yHeight = 450;// height - 50 - TableLineHeight * 5;
			int gxgcFenDuanHeight = 75;// (int)450 / 6; //(int)((height - 55 - TableLineHeight * 6) / 6			

			#region  计算 Y轴 最大值与最小值  Y轴设置横线5根，数据值5个，分为6段，7个节点
			DataView m_dt_dv = m_dt.DefaultView;
			m_dt_dv.Sort = "gxgc DESC";
			double gxgcMax = 0.0; double.TryParse(m_dt_dv[0]["gxgc"].ToString(), out gxgcMax); gxgcMax = Math.Round(gxgcMax, 2);
			double gxgcMin = 0.0; double.TryParse(m_dt_dv[m_dt_dv.Count - 1]["gxgc"].ToString(), out gxgcMin); gxgcMin = Math.Round(gxgcMin, 2);
			double gxgcChaZhi = Math.Round(gxgcMax - (gxgcMax + gxgcMin) / 2, 2);
			for (int i = 0; i <= 6; i++)//Y轴分为6段，除了顶部和底部，需要绘制5个 短横线和坐标值
			{
				if (i == 0 || i == 6) continue;
				g.DrawLine(PenXYLine, 95, 50 + i * gxgcFenDuanHeight, 100, 50 + i * gxgcFenDuanHeight);
				g.DrawString(GetGxgcY(i).ToString(), fontNormal, defaultBrush, 50, 50 + i * gxgcFenDuanHeight - 5);
			}
			double GetGxgcY(int i)
			{
				switch (i)
				{
					case 0: return gxgcMax + gxgcChaZhi * 2;
					case 1: return gxgcMax + gxgcChaZhi;
					case 2: return gxgcMax;
					case 3: return gxgcMax - gxgcChaZhi;
					case 4: return gxgcMin;
					case 5: return gxgcMin - gxgcChaZhi;
					case 6: return gxgcMin - gxgcChaZhi * 2;
					default: return 0.0;
				}
			}
			double UnitY = yHeight / ((gxgcMax - (gxgcMax + gxgcMin) / 2) * 6);
			#endregion

			#region  X轴 计算UnitX 并配置断面的X坐标
			int xWidth = 700;
			double tbJuLiSum = 0.0D;
			foreach (DataRow dr in m_dt.Rows)
			{
				tbJuLiSum += double.Parse(string.IsNullOrEmpty(dr["jl"].ToString()) ? "0" : dr["jl"].ToString());
			}
			double UnitX = (xWidth - 150) / tbJuLiSum;
			double tbJuLiX = 150.0D;
			foreach (DataRow dr in m_dt.Rows)
			{
				tbJuLiX += UnitX * double.Parse(string.IsNullOrEmpty(dr["jl"].ToString()) ? "0" : dr["jl"].ToString());
				dr["x"] = tbJuLiX;
			}
			#endregion

			#region  绘制 底部的表格横线  表格数据展示
			int TableLineHeight = 20;
			string tbTitle = "";
			string tbZiDuan = "";
			for (int i = 1; i <= 5; i++)
			{
				g.DrawLine(PenXYLine, 0, height - i * TableLineHeight, width, height - i * TableLineHeight);
				GetTableColumsCaption(i);
				float StringY = height - i * TableLineHeight + 5;
				g.DrawString(tbTitle, fontNormal, defaultBrush, 20, StringY);
				for (int j = 0; j < m_dt.Rows.Count; j++)
				{
					//if (tbZiDuan == "jl")//距离直接显示，这个地方可以 设置 距离在2个断面的中间
					//{
					//	g.DrawString(m_dt.Rows[j]["jl"].ToString(), fontNormal, defaultBrush, float.Parse(m_dt.Rows[j]["x"].ToString()), StringY);
					//	continue;
					//}
					g.DrawString(m_dt.Rows[j][tbZiDuan].ToString(), fontNormal, defaultBrush, float.Parse(m_dt.Rows[j]["x"].ToString()), StringY);
					if (tbZiDuan == "gxgc")//计算Y坐标，只需要计算一次
					{
						m_dt.Rows[j]["Y"] = (50 + UnitY * (gxgcMax + gxgcChaZhi * 2 - Double.Parse(m_dt.Rows[j]["gxgc"].ToString())));
					}
				}
			}
			void GetTableColumsCaption(int i)
			{
				switch (i)
				{
					case 1: tbTitle = "距  离(M)"; tbZiDuan = "jl"; break;
					case 2: tbTitle = "管  径(MM)"; tbZiDuan = "gxgj"; break;
					case 3: tbTitle = "管线埋深(M)"; tbZiDuan = "gxms"; break;
					case 4: tbTitle = "管线高程(M)"; tbZiDuan = "gxgc"; break;
					case 5: tbTitle = "地面高程(M)"; tbZiDuan = "dmgc"; break;
					default: tbTitle = "未知"; tbZiDuan = ""; break;
				}
			}
			#endregion

			#region 绘制 断面管线
			double gxgj = 0;
			double banjing = 0;
			Pen PenXuxian = new Pen(Color.Blue, 2); PenXuxian.DashStyle = DashStyle.Dash;
			for (int j = 0; j < m_dt.Rows.Count; j++)
			{
				double.TryParse(m_dt.Rows[j]["gxgj"].ToString(), out gxgj);
				banjing = gxgj / 1000 * UnitY;
				g.DrawEllipse(PenXYLine, (float)(float.Parse(m_dt.Rows[j]["x"].ToString()) - banjing), (float)(float.Parse(m_dt.Rows[j]["y"].ToString()) - banjing), (float)(banjing * 2), (float)(banjing * 2));
				g.DrawLine(PenXuxian, float.Parse(m_dt.Rows[j]["x"].ToString()), (float)(float.Parse(m_dt.Rows[j]["y"].ToString()) + banjing), float.Parse(m_dt.Rows[j]["x"].ToString()), 596);

			}
			#endregion

			//显示 比例尺
			string bilichi = string.Format("水平比例尺 1:{0}   垂直比例尺 1:{1} ", Math.Round(UnitX, 0), Math.Round(UnitY, 0));
			g.DrawString(bilichi, fontNormal, defaultBrush, width / 3, 60);

			pictureBox.Image = image;
			uiDataGridView1.DataSource = m_dt;
		}

		protected override void WndProc(ref Message m)
		{
			//禁止双击标题栏关闭窗体  0xF093
			//禁止拖拽标题栏还原窗体 0xF010
			//禁止双击标题栏 0xf122
			//禁止关闭按钮 0xF060
			//禁止最大化按钮 0xf020
			//禁止最小化按钮 0xf030
			//禁止还原按钮 0xf120
			if (m.Msg != 0xA3 && m.Msg != 0x0003 && m.WParam != (IntPtr)0xF012)
			{
				base.WndProc(ref m);
			}
		}

		private void uibtnSave_Click(object sender, EventArgs e)
		{
			SaveFileDialog save = new SaveFileDialog();
			save.FileName = uitxtTitle.Text;
			save.Filter = "Jpg 图片|*.jpg|Bmp 图片|*.bmp|Png 图片|*.png";
			if (save.ShowDialog() == DialogResult.OK)
			{
				pictureBox.Image.Save(save.FileName);
			}
		}

		private void uibtnQuantu_Click(object sender, EventArgs e)
		{
			pictureBox.MouseUp -= PictureBox_MouseUp;
			pictureBox.Width = 800;
			pictureBox.Height = 600;
			pictureBox.SizeMode = PictureBoxSizeMode.AutoSize;
			pictureBox.Refresh();
		}

		private void uiIbtnFangda_Click(object sender, EventArgs e)
		{
			pictureBox.MouseUp -= PictureBox_MouseUp;
			pictureBox.SizeMode = PictureBoxSizeMode.StretchImage;
			pictureBox.Width = (int)(pictureBox.Width * 1.2);
			pictureBox.Height = (int)(pictureBox.Height * 1.2);
			pictureBox.Refresh();
		}

		private void uibtnSuoxiao_Click(object sender, EventArgs e)
		{
			pictureBox.MouseUp -= PictureBox_MouseUp;
			pictureBox.SizeMode = PictureBoxSizeMode.StretchImage;
			pictureBox.Width = (int)(pictureBox.Width * 0.8);
			pictureBox.Height = (int)(pictureBox.Height * 0.8);
			pictureBox.Refresh();
		}

		private void uibtnPingyi_Click(object sender, EventArgs e)
		{
			pictureBox.SizeMode = PictureBoxSizeMode.AutoSize;
			pictureBox.Cursor = Cursors.Hand;
			pictureBox.MouseUp += PictureBox_MouseUp;
		}

		private void PictureBox_MouseUp(object sender, MouseEventArgs e)
		{

		}

		private void AnalystResultForm_FormClosing(object sender, FormClosingEventArgs e)
		{
			pictureBox.MouseUp -= PictureBox_MouseUp;
		}
	}
}