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* UILineChart：修改一处日期类型可能引发的错误

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Sunny 2021-03-04 23:56:06 +08:00
parent c9a20a72d2
commit bf7c0759c6
7 changed files with 217 additions and 92 deletions
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Bin/net40/SunnyUI.Demo.exe
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296
SunnyUI/Charts/UILineChart.cs
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@ -163,11 +163,6 @@ namespace Sunny.UI
DrawOther(g);
}
protected virtual void DrawOther(Graphics g)
{
}
private void DrawAxis(Graphics g)
{
g.DrawRectangle(ChartStyle.ForeColor, Option.Grid.Left, Option.Grid.Top, DrawSize.Width, DrawSize.Height);
@ -483,107 +478,224 @@ namespace Sunny.UI
base.OnMouseMove(e);
if (!NeedDraw) return;
selectPointsTemp.Clear();
foreach (var series in Option.Series.Values)
if (!IsMouseDown)
{
if (series.DataCount == 0) continue;
if (series.GetNearestPoint(e.Location, 4, out double x, out double y, out int index))
selectPointsTemp.Clear();
foreach (var series in Option.Series.Values)
{
UILineSelectPoint point = new UILineSelectPoint();
point.SeriesIndex = series.Index;
point.Name = series.Name;
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);
if (series.DataCount == 0) continue;
if (series.GetNearestPoint(e.Location, 4, out double x, out double y, out int index))
{
UILineSelectPoint point = new UILineSelectPoint();
point.SeriesIndex = series.Index;
point.Name = series.Name;
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);
}
}
}
bool isNew = false;
if (selectPointsTemp.Count != selectPoints.Count)
{
isNew = true;
bool isNew = false;
if (selectPointsTemp.Count != selectPoints.Count)
{
isNew = true;
}
else
{
Dictionary<string, UILineSelectPoint> points = selectPoints.ToDictionary(p => p.Name);
foreach (var point in selectPointsTemp)
{
if (!points.ContainsKey(point.Name))
{
isNew = true;
break;
}
if (points[point.Name].Index != point.Index)
{
isNew = true;
break;
}
}
}
if (isNew)
{
selectPoints.Clear();
StringBuilder sb = new StringBuilder();
int idx = 0;
Dictionary<int, UILineSelectPoint> dictionary = selectPointsTemp.ToDictionary(p => p.SeriesIndex);
List<UILineSelectPoint> points = dictionary.SortedValues();
foreach (var point in points)
{
selectPoints.Add(point);
if (idx > 0) sb.Append('\n');
sb.Append(point.Name);
sb.Append('\n');
sb.Append(Option.XAxis.Name + ": ");
if (Option.XAxisType == UIAxisType.DateTime)
sb.Append(new DateTimeInt64(point.X).ToString(Option.XAxis.AxisLabel.DateTimeFormat));
else
sb.Append(point.X.ToString("F" + Option.XAxis.AxisLabel.DecimalCount));
sb.Append('\n');
sb.Append(
Option.YAxis.Name + ": " + point.Y.ToString("F" + Option.YAxis.AxisLabel.DecimalCount));
idx++;
}
if (Option.ToolTip.Visible)
{
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 - Option.Grid.Right)
x = e.Location.X - tip.Width - 2;
if (e.Location.Y + 20 + tip.Height > Height - Option.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;
}
}
PointValue?.Invoke(this, selectPoints.ToArray());
}
}
else
{
Dictionary<string, UILineSelectPoint> points = selectPoints.ToDictionary(p => p.Name);
foreach (var point in selectPointsTemp)
if (e.Button == MouseButtons.Left && e.X > Option.Grid.Left && e.X < Width - Option.Grid.Right &&
e.Y > Option.Grid.Top && e.Y < Height - Option.Grid.Bottom)
{
if (!points.ContainsKey(point.Name))
{
isNew = true;
break;
}
if (points[point.Name].Index != point.Index)
{
isNew = true;
break;
}
StopPoint = e.Location;
Invalidate();
}
}
if (isNew)
{
selectPoints.Clear();
StringBuilder sb = new StringBuilder();
int idx = 0;
Dictionary<int, UILineSelectPoint> dictionary = selectPointsTemp.ToDictionary(p => p.SeriesIndex);
List<UILineSelectPoint> points = dictionary.SortedValues();
foreach (var point in points)
{
selectPoints.Add(point);
if (idx > 0) sb.Append('\n');
sb.Append(point.Name);
sb.Append('\n');
sb.Append(Option.XAxis.Name + ": ");
if (Option.XAxisType == UIAxisType.DateTime)
sb.Append(new DateTimeInt64(point.X).ToString(Option.XAxis.AxisLabel.DateTimeFormat));
else
sb.Append(point.X.ToString("F" + Option.XAxis.AxisLabel.DecimalCount));
sb.Append('\n');
sb.Append(Option.YAxis.Name + ": " + point.Y.ToString("F" + Option.YAxis.AxisLabel.DecimalCount));
idx++;
}
if (Option.ToolTip.Visible)
{
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 - Option.Grid.Right)
x = e.Location.X - tip.Width - 2;
if (e.Location.Y + 20 + tip.Height > Height - Option.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;
}
}
PointValue?.Invoke(this, selectPoints.ToArray());
}
}
public delegate void OnPointValue(object sender, UILineSelectPoint[] points);
public event OnPointValue PointValue;
private bool IsMouseDown;
private Point StartPoint, StopPoint;
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (IsZoom) return;
if (e.Button == MouseButtons.Left && e.X > Option.Grid.Left && e.X < Width - Option.Grid.Right &&
e.Y > Option.Grid.Top && e.Y < Height - Option.Grid.Bottom)
{
//IsMouseDown = true;
StartPoint = e.Location;
}
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (IsMouseDown)
{
IsMouseDown = false;
Invalidate();
Zoom();
}
}
private bool IsZoom;
private bool XMinAuto, XMaxAuto, YMinAuto, YMaxAuto;
private double XMin, XMax, YMin, YMax;
private void Zoom()
{
IsZoom = true;
XMin = Option.XAxis.Min;
XMax = Option.XAxis.Max;
YMin = Option.YAxis.Min;
YMax = Option.YAxis.Max;
XMinAuto = Option.XAxis.MinAuto;
XMaxAuto = Option.XAxis.MaxAuto;
YMinAuto = Option.YAxis.MinAuto;
YMaxAuto = Option.YAxis.MaxAuto;
double xmin = XScale.CalcXPos(Math.Min(StartPoint.X, StopPoint.X), DrawOrigin.X, DrawSize.Width);
double xmax = XScale.CalcXPos(Math.Max(StartPoint.X, StopPoint.X), DrawOrigin.X, DrawSize.Width);
double ymax = YScale.CalcYPos(Math.Min(StartPoint.Y, StopPoint.Y), DrawOrigin.Y, DrawSize.Height);
double ymin = YScale.CalcYPos(Math.Max(StartPoint.Y, StopPoint.Y), DrawOrigin.Y, DrawSize.Height);
Option.XAxis.Min = xmin;
Option.XAxis.Max = xmax;
Option.YAxis.Min = ymin;
Option.YAxis.Max = ymax;
Option.XAxis.MinAuto = false;
Option.XAxis.MaxAuto = false;
Option.YAxis.MinAuto = false;
Option.YAxis.MaxAuto = false;
CalcData();
Invalidate();
}
private void ZoomNormal()
{
IsZoom = false;
Option.XAxis.Min = XMin;
Option.XAxis.Max = XMax;
Option.YAxis.Min = YMin;
Option.YAxis.Max = YMax;
Option.XAxis.MinAuto = XMinAuto;
Option.XAxis.MaxAuto = XMaxAuto;
Option.YAxis.MinAuto = YMinAuto;
Option.YAxis.MaxAuto = YMaxAuto;
CalcData();
Invalidate();
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
IsMouseDown = false;
}
protected virtual void DrawOther(Graphics g)
{
if (IsMouseDown)
{
Color color = Color.FromArgb(50, UIColor.Blue);
g.FillRectangle(color,
Math.Min(StartPoint.X, StopPoint.X),
Math.Min(StartPoint.Y, StopPoint.Y),
Math.Abs(StopPoint.X - StartPoint.X),
Math.Abs(StopPoint.Y - StartPoint.Y));
}
}
protected override void OnMouseClick(MouseEventArgs e)
{
base.OnMouseClick(e);
if (IsZoom)
{
ZoomNormal();
}
}
}
}

13
SunnyUI/Charts/UIScale.cs
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@ -585,6 +585,7 @@ namespace Sunny.UI
double xlDate = xlDateNew.DoubleValue;
if (xlDate < _min)
{
/*
switch (_scaleLevel)
{
default: year++; break;
@ -597,6 +598,18 @@ namespace Sunny.UI
}
xlDateNew = new DateTimeInt64(year, month, day, hour, minute, second, millisecond);
*/
switch (_scaleLevel)
{
default: xlDateNew.AddYears(1); break;
case UIDateScaleLevel.Month: xlDateNew.AddMonths(1); break;
case UIDateScaleLevel.Day: xlDateNew.AddDays(1); break;
case UIDateScaleLevel.Hour: xlDateNew.AddHours(1); break;
case UIDateScaleLevel.Minute: xlDateNew.AddMinutes(1); break;
case UIDateScaleLevel.Second: xlDateNew.AddSeconds(1); break;
case UIDateScaleLevel.Millisecond: xlDateNew.AddMilliseconds(1); break;
}
}
return xlDateNew.DoubleValue;