/// <summary>
/// 生成当前线条
/// </summary>
/// <returns></returns>
public override System.Collections.Generic.IEnumerable <Shape> CreatePath()
{
if (storyboard != null)
{
storyboard.Stop();
}
var canvas = Canvas as RadarCanvas;
var index = 0;
if (canvas.IsAnimate)
{
this.storyboard = new Storyboard();
}
Path path = Shaps.Count > 0 ? Shaps[0] as Path : new Path();
if (Shaps.Count == 0)
{
Shaps.Add(path);
}
if (canvas.IsFillShape)
{
path.Fill = this.Fill;
}
System.Windows.Controls.Canvas.SetZIndex(path, Common.BaseParams.ShapZIndex);
path.StrokeThickness = canvas.LineWidth;
path.Stroke = this.Stroke;
var geo = path.Data == null ? new PathGeometry() : path.Data as PathGeometry;
path.Data = geo;
PathFigure fig = null;
if (geo.Figures.Count == 0)
{
fig = new PathFigure();
geo.Figures.Add(fig);
fig.IsClosed = true;
}
else
{
fig = geo.Figures[0];
fig.Segments.Clear();
}
if (canvas.IsAnimate)
{
this.storyboard = new Storyboard();
}
if (Points == null)
{
Points = new System.Collections.ObjectModel.ObservableCollection <Model.DataPoint>();
}
Points.Clear();
//起始点和线段点要分开处理
foreach (var a in canvas.Axises)
{
if (a.AType != Axis.AxisType.YRadar)
{
continue;
}
var axis = a as Axis.RadarAxis;
var p = new Model.DataPoint();
Points.Add(p);
//获取当前点的值
p.NumberValue = this.GetNumberValue(a.BindName);
var r = a.Step * (p.NumberValue.Value - a.MinValue);
//生成提示信息
var tooltip = CreateTooltip(a.BindName);
//目标点
p.Position = new Point(canvas.Center.X + axis.RotateCos * r, canvas.Center.Y + axis.RotateSin * r);
var point = AddPoint(p.Position, 10, tooltip, p);
if (canvas.IsAnimate)
{
point.Visibility = Visibility.Collapsed;
var anima = new PointAnimation();
anima.To = p.Position;
anima.Duration = TimeSpan.FromMilliseconds(AnimateDurtion);
if (index != 0)
{
var seg = new LineSegment();
seg.Point = canvas.Center;
fig.Segments.Add(seg);
Storyboard.SetTarget(anima, seg);
Storyboard.SetTargetProperty(anima, new PropertyPath("Point"));
}
else
{
Storyboard.SetTarget(anima, fig);
fig.StartPoint = canvas.Center;
Storyboard.SetTargetProperty(anima, new PropertyPath("StartPoint"));
index++;
}
//动画展示完后加入点
anima.Completed += new EventHandler((object sender, EventArgs e) =>
{
var panima = sender as PointAnimation;
point.Visibility = Visibility.Visible;
});
this.storyboard.Children.Add(anima);
}
else
{
if (index != 0)
{
var seg = new LineSegment();
seg.Point = p.Position;
fig.Segments.Add(seg);
}
else
{
fig.StartPoint = p.Position;
index++;
}
}
}
return(base.CreatePath());
}
public override System.Collections.Generic.IEnumerable <Shape> CreatePath()
{
this.Shaps.Clear();
if (DataContext == null)
{
return(base.CreatePath());
}
var data = DataContext as System.Collections.ICollection;
//获取绑定的属性
var mapping = GetMapping(Model.ItemMapping.EnumDataMember.Y);
if (mapping == null)
{
throw new Exception("请设定一个默认的绑定属性.");
}
var lengendmapping = GetMapping(Model.ItemMapping.EnumDataMember.Lengend);
var lst = new System.Collections.Generic.List <Model.DataPoint>();
foreach (var d in data)
{
var p = new Model.DataPoint();
double v = 0;
var obj = Silverlight.Common.Reflection.ClassHelper.GetPropertyValue(d, mapping.MemberName);
if (obj != null && double.TryParse(obj.ToString(), out v))
{
p.NumberValue = v;
}
if (lengendmapping != null)
{
obj = Silverlight.Common.Reflection.ClassHelper.GetPropertyValue(d, lengendmapping.MemberName);
if (obj != null)
{
p.StringValue = obj.ToString();
}
}
lst.Add(p);
Points.Add(p);
}
lst.Sort();
var legwidth = Canvas.Width * 0.3;
Rect rec = new Rect(Canvas.Margin.Left, Canvas.Margin.Top, Canvas.Width - legwidth, Canvas.Height);
var itemHeight = rec.Height / lst.Count - lst.Count * 2;
//var curWidth = rec.Width;
double maxValue = lst[0].NumberValue.Value;
var index = 0;
PathFigure lastFig = null;
foreach (var p in lst)
{
p.Height = itemHeight;
p.PotinShape = new Path();
Shaps.Add(p.PotinShape);
var color = index >= Canvas.SeriesColors.Length?Canvas.SeriesColors[0] : Canvas.SeriesColors[index];
color.A = 200;
p.PotinShape.Fill = new SolidColorBrush(color);
System.Windows.Controls.Canvas.SetZIndex(p.PotinShape, Common.BaseParams.ShapZIndex);
p.PotinShape.StrokeThickness = Canvas.LineWidth;
p.PotinShape.Stroke = new SolidColorBrush(Colors.Black);
var geo = new PathGeometry();
p.PotinShape.Data = geo;
var fig = new PathFigure();
geo.Figures.Add(fig);
fig.IsClosed = true;
var per = p.NumberValue.Value / maxValue;
p.Width = per * rec.Width;
var top = rec.Top + index * itemHeight + 2 * index;
var left = rec.Left + (rec.Width - p.Width) / 2;
p.Position = fig.StartPoint = new Point(left, top);
var l1 = new LineSegment()
{
Point = new Point(left + p.Width, top)
};
fig.Segments.Add(l1);
//确定上一个图的下边框
if (lastFig != null)
{
var l2 = new LineSegment()
{
Point = new Point(l1.Point.X, lastFig.StartPoint.Y + itemHeight)
};
lastFig.Segments.Add(l2);
var l3 = new LineSegment()
{
Point = new Point(left, l2.Point.Y)
};
lastFig.Segments.Add(l3);
}
//当为最后一个
if (index == lst.Count - 1)
{
var bottomwidth = p.Width * 0.7;
var l2 = new LineSegment()
{
Point = new Point(l1.Point.X - (p.Width - bottomwidth) / 2, top + itemHeight)
};
fig.Segments.Add(l2);
var l3 = new LineSegment()
{
Point = new Point(l2.Point.X - bottomwidth, l2.Point.Y)
};
fig.Segments.Add(l3);
}
//var l2 = new LineSegment() { Point = new Point(l1.Point.X, top) };
//fig.Segments.Add(l2);
//var l3 = new LineSegment() { Point = new Point(left + curWidth, top) };
//fig.Segments.Add(l3);
//var l4 = new LineSegment() { Point = new Point(left + curWidth, top) };
//fig.Segments.Add(l4);
p.ForeColor = Colors.Black;
var label = p.CreateLabel(p.NumberValue.Value.ToString() + "\n" + (per * 100).ToString("0.#") + "%");
label.Width = rec.Width;
label.SetValue(System.Windows.Controls.Canvas.LeftProperty, rec.Left);
label.SetValue(System.Windows.Controls.Canvas.TopProperty, p.Position.Y);
Canvas.AddChild(label);
if (!string.IsNullOrWhiteSpace(p.StringValue))
{
var txt = new TextBlock()
{
TextWrapping = TextWrapping.Wrap, TextAlignment = TextAlignment.Left, Text = p.StringValue, MaxWidth = legwidth,
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Left,
FontWeight = FontWeights.Bold,
Foreground = new SolidColorBrush(p.ForeColor.Value)
};
var grid = new Grid()
{
Width = legwidth, Height = itemHeight
};
grid.Children.Add(txt);
grid.SetValue(System.Windows.Controls.Canvas.LeftProperty, p.Position.X + p.Width + 8);
grid.SetValue(System.Windows.Controls.Canvas.TopProperty, p.Position.Y);
Canvas.AddChild(grid);
}
index++;
lastFig = fig;
}
return(base.CreatePath());
}
