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* UILineChart：增加ToolTip显示

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Sunny 2020-10-11 00:14:27 +08:00
parent 26ce6ff7af
commit 3828b68355
6 changed files with 66 additions and 21 deletions
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Bin/SunnyUI.Demo.exe
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Bin/SunnyUI.dll
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33
SunnyUI.Demo/Charts/FLineChart.cs
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@ -14,6 +14,7 @@ namespace Sunny.UI.Demo.Charts
private void uiSymbolButton1_Click(object sender, EventArgs e)
{
UILineOption option = new UILineOption();
option.ToolTip = new UIBarToolTip();
option.Title = new UITitle();
option.Title.Text = "SunnyUI";
option.Title.SubText = "LineChart";
@ -46,35 +47,19 @@ namespace Sunny.UI.Demo.Charts
series.SymbolColor = Color.Red;
series.Smooth = true;
// option.XAxis.Min = new DateTimeInt64(dt.AddDays(-1));
// option.XAxis.Max = new DateTimeInt64(dt.AddDays(1));
// option.XAxis.MaxAuto = false;
// option.XAxis.MinAuto = false;
option.GreaterWarningArea = new UILineWarningArea(3.5);
option.LessWarningArea = new UILineWarningArea(2.2, Color.Gold);
option.YAxisScaleLines.Add(new UIScaleLine() { Color = Color.Red, Name = "上限", Value = 3.5 });
option.YAxisScaleLines.Add(new UIScaleLine() { Color = Color.Gold, Name = "下限", Value = 2.2 });
option.XAxis.Name = "数值";
option.XAxis.Name = "日期";
option.YAxis.Name = "数值";
option.XAxis.AxisLabel.DateTimeFormat = DateTimeEx.DateTimeFormat;
LineChart.SetOption(option);
}
private void LineChart_PointValue(object sender, System.Collections.Generic.List<UILineSelectPoint> points)
{
StringBuilder sb = new StringBuilder();
foreach (var point in points)
{
sb.Append(point.Name + ", " + point.Index + ", " + point.X + ", " + point.Y);
sb.Append('\n');
}
Console.WriteLine(sb.ToString());
}
private void uiImageButton1_Click(object sender, EventArgs e)
{
LineChart.ChartStyleType = UIChartStyleType.Default;
@ -89,5 +74,17 @@ namespace Sunny.UI.Demo.Charts
{
LineChart.ChartStyleType = UIChartStyleType.Dark;
}
private void LineChart_PointValue(object sender, UILineSelectPoint[] points)
{
StringBuilder sb = new StringBuilder();
foreach (var point in points)
{
sb.Append(point.Name + ", " + point.Index + ", " + point.X + ", " + point.Y);
sb.Append('\n');
}
Console.WriteLine(sb.ToString());
}
}
}

2
SunnyUI/Charts/UIBarChartOption.cs
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@ -102,7 +102,7 @@ namespace Sunny.UI
public string Name { get; set; }
public UIAxisType Type { get; set; }
public UIAxisType Type { get; }
/// <summary>
/// 坐标轴的分割段数，需要注意的是这个分割段数只是个预估值

50
SunnyUI/Charts/UILineChart.cs
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@ -4,6 +4,7 @@ using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Sunny.UI
@ -442,6 +443,7 @@ namespace Sunny.UI
point.Index = index;
point.X = x;
point.Y = y;
point.Location = new Point((int)series.Points[index].X, (int)series.Points[index].Y);
selectPointsTemp.Add(point);
}
}
@ -473,16 +475,60 @@ namespace Sunny.UI
if (isNew)
{
selectPoints.Clear();
StringBuilder sb = new StringBuilder();
int idx = 0;
foreach (var point in selectPointsTemp)
{
selectPoints.Add(point);
if (idx > 0) sb.Append('\n');
sb.Append(point.Name);
sb.Append('\n');
sb.Append(LineOption.XAxis.Name + ": ");
if (LineOption.XAxisType == UIAxisType.DateTime)
sb.Append(new DateTimeInt64(point.X).ToString(LineOption.XAxis.AxisLabel.DateTimeFormat));
else
sb.Append(point.X.ToString("F" + LineOption.XAxis.AxisLabel.DecimalCount));
sb.Append('\n');
sb.Append(LineOption.YAxis.Name + ": " + point.Y.ToString("F" + LineOption.YAxis.AxisLabel.DecimalCount));
idx++;
}
PointValue?.Invoke(this, selectPoints);
if (LineOption.ToolTip != null)
{
if (sb.ToString().IsNullOrEmpty())
{
tip.Visible = false;
}
else
{
using (Graphics g = this.CreateGraphics())
{
SizeF sf = g.MeasureString(sb.ToString(), SubFont);
tip.Size = new Size((int)sf.Width + 4, (int)sf.Height + 4);
}
int x = e.Location.X + 15;
int y = e.Location.Y + 20;
if (e.Location.X + 15 + tip.Width > Width - LineOption.Grid.Right)
x = e.Location.X - tip.Width - 2;
if (e.Location.Y + 20 + tip.Height > Height - LineOption.Grid.Bottom)
y = e.Location.Y - tip.Height - 2;
tip.Left = x;
tip.Top = y;
tip.Text = sb.ToString();
if (!tip.Visible) tip.Visible = true;
}
}
public delegate void OnPointValue(object sender, List<UILineSelectPoint> points);
PointValue?.Invoke(this, selectPoints.ToArray());
}
}
public delegate void OnPointValue(object sender, UILineSelectPoint[] points);
public event OnPointValue PointValue;
}

2
SunnyUI/Charts/UILineChartOption.cs
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@ -346,6 +346,8 @@ namespace Sunny.UI
public double X { get; set; }
public double Y { get; set; }
public Point Location { get; set; }
}
public class UILineWarningArea