GraphUtility 1.1.1

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

namespace GraphUtilityTest
{
	internal partial class GraphUtilityTest : Form
	{
		public GraphUtilityTest()
		{
			Font = SystemInformation.MenuFont;
			StartPosition = FormStartPosition.CenterScreen;

			var f = new Font("Times New Roman", 12, FontStyle.Italic);
			GraphUtility.Graph gu = new GraphUtility.Graph("Sample graph", f);
			gu.MainGraph.GraphPane.Legend.IsVisible = false;
			gu.SetLegendPosition(ZedGraph.LegendPos.Right);
			gu.SetLegendFontSize(9);


			MenuStrip menu = new MenuStrip() { Parent = this, };
			var toolStripMenuItemTest = new ToolStripMenuItem() { Text = "Test", };
			var toolStripMenuItemSettings = new ToolStripMenuItem() { Text = "Settings", };

			var toolStripMenuItemAddCurve1 = new ToolStripMenuItem() { Text = "AddCurve1", };
			menu.Items.Add(toolStripMenuItemTest);
			menu.Items.Add(toolStripMenuItemSettings);

			var toolStripMenuItemLabel = new ToolStripMenuItem() { Text = "Set label direct", CheckOnClick = true, };
			toolStripMenuItemSettings.DropDownItems.Add(toolStripMenuItemLabel);
			var toolStripMenuItemGraphType = new ToolStripMenuItem() { Text = "Set bargraphtype to stack", CheckOnClick = true, };
			toolStripMenuItemSettings.DropDownItems.Add(toolStripMenuItemGraphType);

			var toolStripMenuItemShowLegend = new ToolStripMenuItem() { Text = "Show legend", CheckOnClick = true, };
			toolStripMenuItemShowLegend.CheckedChanged += (sender, e) =>
			{
				gu.MainGraph.GraphPane.Legend.IsVisible = toolStripMenuItemShowLegend.Checked;
				gu.RefreshGraph();
			};
			toolStripMenuItemSettings.DropDownItems.Add(toolStripMenuItemShowLegend);

			toolStripMenuItemTest.DropDownItems.Add(toolStripMenuItemAddCurve1);

			var toolStripMenuItemShowTextLabel = new ToolStripMenuItem() { Text = "Show text label", CheckOnClick = true, };
			toolStripMenuItemSettings.DropDownItems.Add(toolStripMenuItemShowTextLabel);



			toolStripMenuItemAddCurve1.Click += (sender, e) =>
			{
				//Y axis disappear if use AddCurve or AddBar after using AddPieChart,
				//To avoid that, use InitGraphPane
				//gu.InitGraphPane(f);


				gu.ClearCurve();
				gu.SetXAxisTitle("x value");
				var s = 2000;
				var ppl = GraphUtility.GraphHelper.CreatePointPairList(Enumerable.Range(-s, (s * 2) + 1).Select(x => new ZedGraph.PointPair(x, x * 2 - 20)));


				gu.AddCurve(ppl, "y=2x-20", Color.Red);
				gu.SetYAxisTitle("red");

				var ppl2 = GraphUtility.GraphHelper.CreatePointPairList(Enumerable.Range(-s, (s * 2) + 1).Select(x => new ZedGraph.PointPair(x, Math.Pow(x, 2) - 4 * x + 1)));


				gu.AddCurve2(ppl2, "y=x^2-4x+1", Color.Green);
				if(toolStripMenuItemShowTextLabel.Checked)
				{
					var listTextObjPpl1 = GraphUtility.GraphHelper.CreateTextObjList();
					var listTextObjPpl2 = GraphUtility.GraphHelper.CreateTextObjList();

					listTextObjPpl1.AddRange(ppl.Where(x => x.X % 1000 == 0).Select(x => GraphUtility.GraphHelper.CreateTextObj(x.Y.ToString(), x.X, x.Y,false,f)));
					listTextObjPpl2.AddRange(ppl2.Where(x => x.X % 1000 == 0).Select(x => GraphUtility.GraphHelper.CreateTextObj2(x.Y.ToString(), x.X, x.Y,false,f)));

					gu.SetTextObj(listTextObjPpl1);
					gu.SetTextObj(listTextObjPpl2);
				}

				gu.SetY2AxisTitle("green");

				gu.ReSetLineGraphType(ZedGraph.LineType.Normal);

				if (toolStripMenuItemLabel.Checked)
				{
					/** Set x-axis label directly */
					gu.SetXAxisType(ZedGraph.AxisType.Text, 0, Enumerable.Range(0, ppl.Count).Select(x => string.Format("{0}?", x)));
					gu.SetXAxisMajorStep(-1);
				}
				else
				{
					gu.SetXAxisType(ZedGraph.AxisType.Linear);
					gu.SetXAxisScaleFormat("0");
					gu.SetXAxisMajorStep(-1);
				}

				gu.RefreshGraph();

				gu.ResetPointValueMode(GraphUtility.Graph.PointValueMode.Normal);

			};

			var toolStripMenuItemAddBar1 = new ToolStripMenuItem() { Text = "AddBar1", };
			toolStripMenuItemTest.DropDownItems.Add(toolStripMenuItemAddBar1);
			toolStripMenuItemAddBar1.Click += (sender, e) =>
			{
				//Y axis disappear if use AddCurve or AddBar after using AddPieChart,
				//To avoid that, use InitGraphPane
				//gu.InitGraphPane(f);

				gu.ClearCurve();

				if (toolStripMenuItemGraphType.Checked)
				{
					/** Stack graph */
					gu.ReSetBarGraphType(ZedGraph.BarType.Stack);
				}
				else
				{
					/** Bar graph */
					gu.ReSetBarGraphType(ZedGraph.BarType.Cluster);
				}

				var ppl = GraphUtility.GraphHelper.CreatePointPairList();
				var ppl2 = GraphUtility.GraphHelper.CreatePointPairList();

				foreach (var d in Enumerable.Range(-10, 21))
				{
					ppl.Add(GraphUtility.GraphHelper.CreatePointPair(DateTime.Today.AddDays(d), d * 4));
					ppl2.Add(GraphUtility.GraphHelper.CreatePointPair(DateTime.Today.AddDays(d), d * 4 + d));
				}
				gu.AddBar(ppl, "date", Color.Red);
				gu.AddBar(ppl2, "date2", Color.Blue);

				if (toolStripMenuItemShowTextLabel.Checked)
				{
					var listTextObjPpl1 = GraphUtility.GraphHelper.CreateTextObjList();
					var listTextObjPpl2 = GraphUtility.GraphHelper.CreateTextObjList();

					listTextObjPpl1.AddRange(ppl.Select(x => GraphUtility.GraphHelper.CreateTextObj(x.Y.ToString(), x.X, (int)( x.Y*1.2) ,false,f  )));
					listTextObjPpl2.AddRange(ppl2.Select(x => GraphUtility.GraphHelper.CreateTextObj2(x.Y.ToString(), x.X, (int)( x.Y*1.2),false,f)));

					gu.SetTextObj(listTextObjPpl1);
					gu.SetTextObj(listTextObjPpl2);

				}


				if (toolStripMenuItemLabel.Checked)
				{
					/** Set x-axis label directly */
					gu.SetXAxisType(ZedGraph.AxisType.Text, 0, Enumerable.Range(0, ppl.Count).Select(x => string.Format("{0}?", x)));
					gu.SetXAxisMajorStep(-1);
				}
				else
				{
					/** When use date as x-axis label  */
					gu.SetXAxisType(ZedGraph.AxisType.Date, 45);
					gu.SetXAxisScaleFormat("yyyy/MM/dd");
					gu.SetXAxisMajorStep(7);
				}

				gu.ResetPointValueMode(GraphUtility.Graph.PointValueMode.DateTime);

				gu.RefreshGraph();

			};

			var toolStripMenuItemAddPieChart = new ToolStripMenuItem() { Text = "PieChart", };
			toolStripMenuItemAddPieChart.Click += (sender, e) =>
			{
				gu.ClearCurve();

				gu.AddPieSlice(70, "bar");
				gu.AddPieSlice(50, "baz");
				gu.AddPieSlice(30, "foo", null, 0, 0.1);
				//gu.ResetPointValueMode(GraphUtility.Graph.PointValueMode.None);
				gu.RefreshGraph();

			};

			toolStripMenuItemTest.DropDownItems.Add(toolStripMenuItemAddPieChart);

			/** if want to remove default savemenu, clear ContextMenuStrip */
			//gu.ContextMenuStrip.Items.Clear();

			var graph = gu.MainGraph;
			Controls.Add(graph);
			Controls.Add(menu);
			SizeChanged += (sender, e) =>
			{
				graph.Height = ClientSize.Height - menu.Height;
			};
			ClientSize = new Size(1200, 600);
			return;
		}
	}
}