自定义雷达图表如下:
1、创建UserControl,名为“RadarChartControl”
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<UserControl x:Class= "WpfApplication2.RadarChartControl" xmlns= "http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x= "http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc= "http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d= "http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable= "d" d:DesignHeight= "300" d:DesignWidth= "300" Loaded= "RadarChartControl_OnLoaded" > <Canvas x:Name= "CanvasPanel" HorizontalAlignment= "Center" VerticalAlignment= "Center" > </Canvas> </UserControl> |
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/// <summary> /// RadarChartControl.xaml 的交互逻辑 /// </summary> public partial class RadarChartControl : UserControl { public RadarChartControl() { InitializeComponent(); } #region 属性 /// <summary> /// 尺寸大小 /// 高宽大小一样 /// </summary> public double Size { get { return ( double )GetValue(SizeProperty); } set { SetValue(SizeProperty, value); } } public static readonly DependencyProperty SizeProperty = DependencyProperty.Register( "Size" , typeof ( double ), typeof (RadarChartControl), new PropertyMetadata(400.0)); /// <summary> /// 标题 /// </summary> public List<ArgumentModel> Arguments { get { return (List<ArgumentModel>)GetValue(ArgumentsProperty); } set { SetValue(ArgumentsProperty, value); } } public static readonly DependencyProperty ArgumentsProperty = DependencyProperty.Register( "Arguments" , typeof (List<ArgumentModel>), typeof (RadarChartControl), new PropertyMetadata( new List<ArgumentModel>())); /// <summary> /// 数据 /// </summary> public List<ChartItem> Datas { get { return (List<ChartItem>)GetValue(DatasProperty); } set { SetValue(DatasProperty, value); } } public static readonly DependencyProperty DatasProperty = DependencyProperty.Register( "Datas" , typeof (List<ChartItem>), typeof (RadarChartControl), new PropertyMetadata( new List<ChartItem>())); /// <summary> /// 获取或设置线条颜色 /// </summary> public Brush BorderBrush { get { return (Brush)GetValue(BorderBrushProperty); } set { SetValue(BorderBrushProperty, value); } } public static readonly DependencyProperty BorderBrushProperty = DependencyProperty.Register( "BorderBrush" , typeof (Brush), typeof (RadarChartControl), new PropertyMetadata(Brushes.RoyalBlue)); /// <summary> /// 连接点大小 /// </summary> public int EllipseSize = 7; /// <summary> /// 控件大小 /// </summary> public double TotalSize { get { double size = Size + 200; return size; } } /// <summary> /// 面板 /// </summary> public Canvas ChartCanvas = new Canvas(); //声明和注册路由事件 public static readonly RoutedEvent TitleClickRoutedEvent = EventManager.RegisterRoutedEvent( "TitleClick" , RoutingStrategy.Bubble, typeof (EventHandler<RoutedEventArgs>), typeof (RadarChartControl)); //CLR事件包装 public event RoutedEventHandler TitleClick { add { this .AddHandler(TitleClickRoutedEvent, value); } remove { this .RemoveHandler(TitleClickRoutedEvent, value); } } //激发路由事件,借用Click事件的激发方法 protected void OnClick( object sender, RoutedEventArgs e) { RoutedEventArgs args = new RoutedEventArgs(TitleClickRoutedEvent, e); this .RaiseEvent(args); } #endregion private void RadarChartControl_OnLoaded( object sender, RoutedEventArgs e) { if (!CheckData()) { throw new Exception( "RadarChart的数据之间不匹配!请重新配置!" ); } //获取最大数值 int maxData = Datas.Max(i => i.DataList.Max(o => o.Data)); //设置面板和背景 SetCanvasAndBackground(maxData); //设置数据标题 SetDataTitle(Datas); //获取半圈大小 double length = Size / 2 / maxData; //连接点半径 int ellipseR = EllipseSize / 2; foreach (var chartItem in Datas) { var color = chartItem.Color; //俩个多边形,一个设置背景,一个设置边框 Polygon polygonArea = new Polygon() { Fill = color, Opacity = 0.2, StrokeThickness = 0 }; Polygon polygonBorder = new Polygon() { Fill = Brushes.Transparent, Stroke = color, StrokeThickness = 0.8 }; int index = 0; foreach (var data in chartItem.DataList) { double currentAngle = Angle * index + 90; double angle = (currentAngle / 360) * 2 * Math.PI; var r = data.Data * length; double x = Size / 2 + r * Math.Cos(angle); double y = Size / 2 - r * Math.Sin(angle); //多边形添加节点 var point = new Point() { X = x, Y = y }; polygonArea.Points.Add(point); polygonBorder.Points.Add(point); //设置节点Style var ellipse = new Ellipse() { Width = EllipseSize, Height = EllipseSize, Fill = color }; Canvas.SetLeft(ellipse, x - ellipseR); Canvas.SetTop(ellipse, y - ellipseR); ChartCanvas.Children.Add(ellipse); index++; } ChartCanvas.Children.Add(polygonArea); ChartCanvas.Children.Add(polygonBorder); } //设置标题 SetArguments(); } /// <summary> /// 设置数据标题 /// </summary> /// <param name="datas"></param> private void SetDataTitle(List<ChartItem> datas) { RadarChartTitleList titleList = new RadarChartTitleList(); titleList.ItemSoure = datas; double angle = Math.PI * 0.25; double x = TotalSize / 2 + (TotalSize / 2) * Math.Sin(angle); Canvas.SetLeft(titleList, x); Canvas.SetTop(titleList, x); CanvasPanel.Children.Add(titleList); } /// <summary> /// 设置标题 /// </summary> private void SetArguments() { int index = 0; foreach (var argument in Arguments) { var button = new ChartButton(); button.Content = argument.Name; button.Icon = argument.IconSource; button.MyButton.Click += OnClick; //绘制XY double currentAngle = Angle * index + 90; double angle = (currentAngle / 360) * 2 * Math.PI; var r = TotalSize / 2; double x = r + r * Math.Cos(angle) - (button.Width / 2); double y = r - r * Math.Sin(angle) - (button.Height / 2); //添加按钮高度差异 y = y + Math.Sin(angle) * (button.Width / 2 - button.Height / 2); Canvas.SetLeft(button, x); Canvas.SetTop(button, y); CanvasPanel.Children.Add(button); index++; } } /// <summary> /// 检查数据 /// </summary> /// <returns></returns> private bool CheckData() { if (Datas == null ) { return false ; } foreach (var data in Datas) { bool result = !Datas.Any(i => i.DataList.Count != data.DataList.Count); if (!result) { return false ; } } return true ; } /// <summary> /// 设置面板和背景 /// </summary> /// <param name="maxIndex"></param> private void SetCanvasAndBackground( int maxIndex) { CanvasPanel.Height = TotalSize; CanvasPanel.Width = TotalSize; //面板 ChartCanvas.Height = Size; ChartCanvas.Width = Size; double canvasX = (TotalSize - Size) / 2; Canvas.SetLeft(ChartCanvas, canvasX); Canvas.SetTop(ChartCanvas, canvasX); CanvasPanel.Children.Add(ChartCanvas); //画圈和直线 var color = BorderBrush; double length = Size / 2 / maxIndex; for ( int i = 0; i < maxIndex; i++) { double height = length * 2 * (i + 1); double left = Size / 2 - length * (i + 1); var ellipse = new Ellipse() { Stroke = color, StrokeThickness = 0.5, Height = height, Width = height }; Canvas.SetLeft(ellipse, left); Canvas.SetTop(ellipse, left); ChartCanvas.Children.Add(ellipse); } //暂时设定:4个标题时,画线 if (Arguments.Count == 4) { //竖向直线 Path verticalPath = new Path() { Stroke = color, StrokeThickness = 0.2, }; //添加数据 StreamGeometry geometry = new StreamGeometry(); geometry.FillRule = FillRule.Nonzero; //声前F0还是F1,现在是F1 using (StreamGeometryContext ctx = geometry.Open()) { ctx.BeginFigure( new Point(Size / 2, 0), true , true ); ctx.LineTo( new Point(Size / 2, Size), true , false ); } geometry.Freeze(); verticalPath.Data = geometry; ChartCanvas.Children.Add(verticalPath); //横向直线 Path horizontalPath = new Path() { Stroke = color, StrokeThickness = 0.2, }; //添加数据 geometry = new StreamGeometry(); geometry.FillRule = FillRule.Nonzero; //声前F0还是F1,现在是F1 using (StreamGeometryContext ctx = geometry.Open()) { ctx.BeginFigure( new Point(0, Size / 2), true , true ); ctx.LineTo( new Point(Size, Size / 2), true , false ); } geometry.Freeze(); horizontalPath.Data = geometry; ChartCanvas.Children.Add(horizontalPath); } } /// <summary> /// 分隔角度 /// </summary> private double Angle { get { int count = Arguments.Count; double angle = 360 / count; return angle; } } } /// <summary> /// 类标题 /// </summary> public class ArgumentModel { public ImageSource IconSource { get ; set ; } public string Name { get ; set ; } } /// <summary> /// 单组数据 /// </summary> public class ChartItem { public Brush Color { get ; set ; } List<ChartData> dataList = new List<ChartData>(); public List<ChartData> DataList { get { return dataList; } set { dataList = value; } } public object Name { get ; set ; } } /// <summary> /// 数据 /// </summary> public class ChartData { public string Name { get ; set ; } public int Data { get ; set ; } } |
2、创建标题类按钮控件,定义名称为ChartButton
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<UserControl x:Class= "WpfApplication2.ChartButton" xmlns= "http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x= "http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc= "http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d= "http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable= "d" d:DesignHeight= "80" d:DesignWidth= "200" Loaded= "ChartButton_OnLoaded" > <UserControl.Resources> <Style TargetType= "Button" > <Setter Property= "Foreground" Value= "White" ></Setter> </Style> </UserControl.Resources> <Grid> <Button x:Name= "MyButton" VerticalAlignment= "Center" HorizontalAlignment= "Center" > <Button.Template> <ControlTemplate TargetType= "{x:Type Button}" > <Grid x:Name= "ButtonGrid" Height= "{TemplateBinding Height}" > <Rectangle x:Name= "ButtonRetc" RadiusX= "20" RadiusY= "25" Stroke= "#FF06FFE8" ></Rectangle> <StackPanel Orientation= "Horizontal" Margin= "20,5" HorizontalAlignment= "Center" > <Rectangle Height= "{Binding IconHeight}" Width= "{Binding IconWidth}" > <Rectangle.Fill> <ImageBrush ImageSource= "{Binding Icon}" ></ImageBrush> </Rectangle.Fill> </Rectangle> <TextBlock x:Name= "ButtonTextBlock" Text= "{TemplateBinding Content}" Foreground= "{TemplateBinding Foreground}" Margin= "8,-2,0,0" FontSize= "22" VerticalAlignment= "Center" TextAlignment= "Center" ></TextBlock> </StackPanel> </Grid> <ControlTemplate.Triggers> <DataTrigger Binding= "{Binding ElementName=MyButton,Path=IsFocused}" Value= "True" > <DataTrigger.Setters> <Setter TargetName= "ButtonRetc" Property= "Fill" Value= "#FFA9BCFF" ></Setter> <Setter TargetName= "ButtonRetc" Property= "StrokeThickness" Value= "0.5" ></Setter> <Setter TargetName= "ButtonTextBlock" Property= "Foreground" Value= "#FF06FFE8" ></Setter> </DataTrigger.Setters> </DataTrigger> <DataTrigger Binding= "{Binding ElementName=MyButton,Path=IsPressed}" Value= "true" > <DataTrigger.Setters> <Setter TargetName= "ButtonTextBlock" Property= "FontWeight" Value= "Bold" ></Setter> </DataTrigger.Setters> </DataTrigger> <DataTrigger Binding= "{Binding ElementName=MyButton,Path=IsFocused}" Value= "false" > <DataTrigger.Setters> <Setter TargetName= "ButtonRetc" Property= "Fill" Value= "Transparent" ></Setter> <Setter TargetName= "ButtonRetc" Property= "StrokeThickness" Value= "0" ></Setter> </DataTrigger.Setters> </DataTrigger> </ControlTemplate.Triggers> </ControlTemplate> </Button.Template> </Button> </Grid> </UserControl> |
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/// <summary> /// ChartButton.xaml 的交互逻辑 /// </summary> public partial class ChartButton : UserControl { public ChartButton() { InitializeComponent(); } #region 属性 /// <summary> /// 工具提示 /// </summary> public string ToolTip { get { return ( string )GetValue(ToolTipProperty); } set { SetValue(ToolTipProperty, value); } } public static readonly DependencyProperty ToolTipProperty = DependencyProperty.Register( "ToolTip" , typeof ( string ), typeof (ChartButton), new PropertyMetadata()); /// <summary> /// 按钮内容 /// </summary> public string Content { get { return ( string )GetValue(ContentProperty); } set { SetValue(ContentProperty, value); } } public static readonly DependencyProperty ContentProperty = DependencyProperty.Register( "Content" , typeof ( string ), typeof (ChartButton), new PropertyMetadata( "按钮" )); /// <summary> /// 图标 /// </summary> public ImageSource Icon { get { return (ImageSource)GetValue(IconProperty); } set { SetValue(IconProperty, value); } } public static readonly DependencyProperty IconProperty = DependencyProperty.Register( "Icon" , typeof (ImageSource), typeof (ChartButton), new PropertyMetadata()); /// <summary> /// 图标高度 /// </summary> public double IconHeight { get { return ( double )GetValue(IconHeightProperty); } set { SetValue(IconHeightProperty, value); } } public static readonly DependencyProperty IconHeightProperty = DependencyProperty.Register( "IconHeight" , typeof ( double ), typeof (ChartButton), new PropertyMetadata(25.0)); /// <summary> /// 图标宽度 /// </summary> public double IconWidth { get { return ( double )GetValue(IconWidthProperty); } set { SetValue(IconWidthProperty, value); } } public static readonly DependencyProperty IconWidthProperty = DependencyProperty.Register( "IconWidth" , typeof ( double ), typeof (ChartButton), new PropertyMetadata(25.0)); /// <summary> /// 高度 /// </summary> public double Height { get { return ( double )GetValue(HeightProperty); } set { SetValue(HeightProperty, value); } } public static readonly DependencyProperty HeightProperty = DependencyProperty.Register( "Height" , typeof ( double ), typeof (ChartButton), new PropertyMetadata(46.0)); /// <summary> /// 宽度 /// </summary> public double Width { get { return ( double )GetValue(WidthProperty); } set { SetValue(WidthProperty, value); } } public static readonly DependencyProperty WidthProperty = DependencyProperty.Register( "Width" , typeof ( double ), typeof (ChartButton), new PropertyMetadata(170.0)); #endregion private void ChartButton_OnLoaded( object sender, RoutedEventArgs e) { MyButton.ToolTip = ToolTip; MyButton.Content = Content; MyButton.Width = Width; MyButton.Height = Height; if (Icon != null ) { MyButton.DataContext = new ChartButtonModel() { Icon = Icon, IconHeight = IconHeight, IconWidth = IconWidth }; } } } public class ChartButtonModel { public ImageSource Icon { get ; set ; } public double IconHeight { get ; set ; } public double IconWidth { get ; set ; } } |
3、定义数据组标题显示列表
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<UserControl x:Class= "WpfApplication2.RadarChartTitleList" xmlns= "http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x= "http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc= "http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d= "http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable= "d" d:DesignHeight= "300" d:DesignWidth= "300" Loaded= "RadarChartTitleList_OnLoaded" > <UserControl.Resources> <Style x:Key= "ItemContainer" TargetType= "{x:Type ListBoxItem}" > <Setter Property= "Template" > <Setter.Value> <ControlTemplate TargetType= "{x:Type ListBoxItem}" > <Border x:Name= "IconBorder" Background= "Transparent" CornerRadius= "4" BorderThickness= "0" > <ContentPresenter /> </Border> <ControlTemplate.Triggers> <Trigger Property= "IsSelected" Value= "true" > <Setter TargetName= "IconBorder" Property= "BitmapEffect" > <Setter.Value> <OuterGlowBitmapEffect GlowColor= "Transparent" GlowSize= "5" /> </Setter.Value> </Setter> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> </UserControl.Resources> <Grid> <ListBox x:Name= "MyListBox" ItemsSource= "{Binding}" ItemContainerStyle= "{StaticResource ItemContainer}" FocusVisualStyle= "{x:Null}" > <ListBox.Template> <ControlTemplate> <StackPanel Background= "Transparent" IsItemsHost= "True" ></StackPanel> </ControlTemplate> </ListBox.Template> <ListBox.ItemTemplate> <DataTemplate> <Grid HorizontalAlignment= "Left" VerticalAlignment= "Center" Background= "Transparent" > <Grid.ColumnDefinitions> <ColumnDefinition Width= "Auto" ></ColumnDefinition> <ColumnDefinition Width= "*" ></ColumnDefinition> </Grid.ColumnDefinitions> <Grid HorizontalAlignment= "Center" Margin= "10,0" Background= "Transparent" > <Ellipse Fill= "{Binding Color}" Height= "6" Width= "6" HorizontalAlignment= "Right" VerticalAlignment= "Center" ></Ellipse> <Canvas VerticalAlignment= "Center" HorizontalAlignment= "Center" > <Path Fill= "{Binding Color}" Height= "5" StrokeThickness= "1" Stroke= "{Binding Color}" VerticalAlignment= "Center" Data= "M-10,0 L10,0" ></Path> </Canvas> </Grid> <TextBlock Grid.Column= "1" Text= "{Binding Name}" Foreground= "White" Background= "Transparent" ></TextBlock> </Grid> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </Grid> </UserControl> |
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/// <summary> /// RadarChartTitleList.xaml 的交互逻辑 /// </summary> public partial class RadarChartTitleList : UserControl { public RadarChartTitleList() { InitializeComponent(); } /// <summary> /// 数据 /// </summary> public List<ChartItem> ItemSoure { get { return (List<ChartItem>)GetValue(ItemSoureProperty); } set { SetValue(ItemSoureProperty, value); } } public static readonly DependencyProperty ItemSoureProperty = DependencyProperty.Register( "ItemSoure" , typeof (List<ChartItem>), typeof (RadarChartControl), new PropertyMetadata( new List<ChartItem>())); private void RadarChartTitleList_OnLoaded( object sender, RoutedEventArgs e) { this .DataContext = ItemSoure; } } |
4、界面引用控件
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<Window x:Class= "WpfApplication2.MainWindow" xmlns= "http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x= "http://schemas.microsoft.com/winfx/2006/xaml" xmlns:wpfApplication2= "clr-namespace:WpfApplication2" Title= "MainWindow" Height= "350" Width= "525" Background= "LightGray" > <Grid> <wpfApplication2:RadarChartControl x:Name= "RadarChartControl" HorizontalAlignment= "Center" VerticalAlignment= "Center" > <wpfApplication2:RadarChartControl.Arguments> <wpfApplication2:ArgumentModel Name= "C#" IconSource= "Chart_Bar_Big.png" ></wpfApplication2:ArgumentModel> <wpfApplication2:ArgumentModel Name= "JAVA" IconSource= "Blueprint_Blog.png" ></wpfApplication2:ArgumentModel> <wpfApplication2:ArgumentModel Name= "Python" IconSource= "Chart_Graph_Descending.png" ></wpfApplication2:ArgumentModel> <wpfApplication2:ArgumentModel Name= "VB" IconSource= "Chart_Bar_Big.png" ></wpfApplication2:ArgumentModel> <wpfApplication2:ArgumentModel Name= "其它" IconSource= "Chart_Graph_Descending.png" ></wpfApplication2:ArgumentModel> </wpfApplication2:RadarChartControl.Arguments> <wpfApplication2:RadarChartControl.Datas> <wpfApplication2:ChartItem Name= "应聘者A" Color= "#FF07C507" > <wpfApplication2:ChartItem.DataList> <wpfApplication2:ChartData Data= "1" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "3" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "3" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "4" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "4" ></wpfApplication2:ChartData> </wpfApplication2:ChartItem.DataList> </wpfApplication2:ChartItem> <wpfApplication2:ChartItem Name= "应聘者B" Color= "#FF508BF3" > <wpfApplication2:ChartItem.DataList> <wpfApplication2:ChartData Data= "4" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "1" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "2" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "1" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "1" ></wpfApplication2:ChartData> </wpfApplication2:ChartItem.DataList> </wpfApplication2:ChartItem> <wpfApplication2:ChartItem Name= "应聘者C" Color= "#FFF73131" > <wpfApplication2:ChartItem.DataList> <wpfApplication2:ChartData Data= "2" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "2" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "3" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "3" ></wpfApplication2:ChartData> <wpfApplication2:ChartData Data= "3" ></wpfApplication2:ChartData> </wpfApplication2:ChartItem.DataList> </wpfApplication2:ChartItem> </wpfApplication2:RadarChartControl.Datas> </wpfApplication2:RadarChartControl> </Grid> </Window> |
以上所述是小编给大家介绍的WPF 自定义雷达图开发实例教程,希望对大家有所帮助,如果大家有任何疑问欢迎给我留言,小编会及时回复大家的,在此也非常感谢大家对服务器之家网站的支持!
原文链接:http://www.cnblogs.com/kybs0/archive/2016/09/03/5788771.html