我想在WPFToolkit图表中设置派生数据点的样式。基本上我想改变工具提示。它可以工作,但数据点的视觉状态不会改变。在WPFToolkit中设计PieDataPoint时的视觉状态问题图
我已经从源代码复制了样式,并修改了工具提示仅用于添加FormattedIndependentValue
。样式如下所示:
<!-- charting:PieDataPoint -->
<Style x:Key="PieDataPointStyle" TargetType="charting:PieDataPoint">
<Setter Property="Background" Value="Orange" />
<Setter Property="BorderBrush" Value="White" />
<Setter Property="BorderThickness" Value="0" />
<Setter Property="IsTabStop" Value="False" />
<Setter Property="RatioStringFormat" Value="{}{0:p2}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="charting:PieDataPoint">
<Grid x:Name="Root" Opacity="1">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="0:0:0.1" />
</VisualStateGroup.Transitions>
<VisualState x:Name="Normal" />
<VisualState x:Name="MouseOver">
<Storyboard>
<DoubleAnimation Storyboard.TargetName="MouseOverHighlight" Storyboard.TargetProperty="Opacity" To="0.6" Duration="0" />
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="SelectionStates">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="0:0:0.1" />
</VisualStateGroup.Transitions>
<VisualState x:Name="Unselected" />
<VisualState x:Name="Selected">
<Storyboard>
<DoubleAnimation Storyboard.TargetName="SelectionHighlight" Storyboard.TargetProperty="Opacity" To="0.6" Duration="0" />
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="RevealStates">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="0:0:0.5" />
</VisualStateGroup.Transitions>
<VisualState x:Name="Shown">
<Storyboard>
<DoubleAnimation Storyboard.TargetName="Root" Storyboard.TargetProperty="Opacity" To="1" Duration="0" />
</Storyboard>
</VisualState>
<VisualState x:Name="Hidden">
<Storyboard>
<DoubleAnimation Storyboard.TargetName="Root" Storyboard.TargetProperty="Opacity" To="0" Duration="0" />
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Path x:Name="Slice" Data="{TemplateBinding Geometry}"
Fill="{TemplateBinding Background}"
Stroke="{TemplateBinding BorderBrush}"
StrokeMiterLimit="1">
<ToolTipService.ToolTip>
<StackPanel>
<ContentControl Content="{TemplateBinding FormattedIndependentValue}" />
<ContentControl Content="{TemplateBinding FormattedDependentValue}" />
<ContentControl Content="{TemplateBinding FormattedRatio}" />
</StackPanel>
</ToolTipService.ToolTip>
</Path>
<Path x:Name="SelectionHighlight" Data="{TemplateBinding GeometrySelection}" Fill="Red" StrokeMiterLimit="1" IsHitTestVisible="False" Opacity="0" />
<Path x:Name="MouseOverHighlight" Data="{TemplateBinding GeometryHighlight}" Fill="White" StrokeMiterLimit="1" IsHitTestVisible="False" Opacity="0" />
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
然后,我使用它为图表定义调色板。
<datavis:ResourceDictionaryCollection x:Key="ChartPallete">
<!-- blue -->
<ResourceDictionary>
<Style x:Key="DataPointStyle" TargetType="charting:PieDataPoint" BasedOn="{StaticResource PieDataPointStyle}">
<Setter Property="Background" Value="#007d9d"/>
</Style>
</ResourceDictionary>
<!-- green -->
<ResourceDictionary>
<Style x:Key="DataPointStyle" TargetType="charting:PieDataPoint" BasedOn="{StaticResource PieDataPointStyle}">
<Setter Property="Background" Value="#8fcd3e"/>
</Style>
</ResourceDictionary>
<!-- more resource dictionaries to a total of 15 -->
<datavis:ResourceDictionaryCollection x:Key="ChartPalette">
这个调色板我设置为PieSeries
。
var series = new PieSeries();
series.Palette = Resources["ChartPalette"] as ResourceDictionaryCollection;
从调色板中的颜色被正确用于该切片,工具提示正确地显示,但是当我鼠标悬停或点击数据点(切片)的视觉状态不改变。没有任何故事板被执行。
任何想法我做错了什么?
注(精明的读者):除了提示我也改变了Grid
(在Root
元素)的不透明度为1
,因为自从可视状态不更改设置故事板Opacity
1不执行和切片将完全不透明。
是的,我正在使用Toolkit 3.5。我将试用新版本。 –
确实,4.0版本确实有效。幸运的是,我正在使用.NET 4.5,所以没问题。感谢您的帮助。 –