GraphUtility 1.1.0

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;
    }
}