我正在寻找一个示例样式,以将 Silverlight BusyIndicator 的外观更改为更像 AJAX 应用程序的“旋转轮”外观。
绕谷歌一圈会产生一些链接,这些链接指向人们正在创建新控件以实现相同目的的位置(我怀疑他们早于 BusyIndicator),但如果可能的话,我宁愿剥去 BusyIndicator 的皮肤。
有人给我正确的方向吗?
谢谢
标记
我正在寻找一个示例样式,以将 Silverlight BusyIndicator 的外观更改为更像 AJAX 应用程序的“旋转轮”外观。
绕谷歌一圈会产生一些链接,这些链接指向人们正在创建新控件以实现相同目的的位置(我怀疑他们早于 BusyIndicator),但如果可能的话,我宁愿剥去 BusyIndicator 的皮肤。
有人给我正确的方向吗?
谢谢
标记
我使用BusyIndicator
Silverlight Toolkit进行了自定义
这是您需要的:
在样式文件中设置 System 命名空间:
xmlns:System="clr-命名空间:System;assembly=mscorlib"
将样式/模板放入您的样式文件中:
<ControlTemplate x:Key="AjaxBusyIndicatorControlTemplate" TargetType="toolkit:BusyIndicator">
<Grid x:Name="ColorLayer">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="VisibilityStates">
<VisualState x:Name="Hidden">
<Storyboard>
<ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.001" Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="busycontent">
<DiscreteObjectKeyFrame KeyTime="00:00:00">
<DiscreteObjectKeyFrame.Value>
<Visibility>Collapsed</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.001" Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="overlay">
<DiscreteObjectKeyFrame KeyTime="00:00:00">
<DiscreteObjectKeyFrame.Value>
<Visibility>Collapsed</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Visible">
<Storyboard>
<ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.001" Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="busycontent">
<DiscreteObjectKeyFrame KeyTime="00:00:00">
<DiscreteObjectKeyFrame.Value>
<Visibility>Visible</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.001" Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="overlay">
<DiscreteObjectKeyFrame KeyTime="00:00:00">
<DiscreteObjectKeyFrame.Value>
<Visibility>Visible</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="BusyStatusStates">
<VisualState x:Name="Idle">
<Storyboard>
<ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.001" Storyboard.TargetProperty="(Control.IsEnabled)" Storyboard.TargetName="content">
<DiscreteObjectKeyFrame KeyTime="00:00:00">
<DiscreteObjectKeyFrame.Value>
<System:Boolean>True</System:Boolean>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Busy">
<Storyboard RepeatBehavior="Forever" AutoReverse="False">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.Rotation)" Storyboard.TargetName="loader">
<EasingDoubleKeyFrame KeyTime="0" Value="0"/>
<EasingDoubleKeyFrame KeyTime="0:0:1" Value="359.999"/>
</DoubleAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.001" Storyboard.TargetProperty="(Control.IsEnabled)" Storyboard.TargetName="content">
<DiscreteObjectKeyFrame KeyTime="00:00:00">
<DiscreteObjectKeyFrame.Value>
<System:Boolean>False</System:Boolean>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<ContentControl x:Name="content" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
<Rectangle x:Name="overlay" Style="{TemplateBinding OverlayStyle}"/>
<ContentPresenter x:Name="busycontent">
<Path x:Name="loader" Height="19" Width="19" Canvas.Left="0.5" Canvas.Top="0.5" Stretch="Fill" UseLayoutRounding="False" Stroke="Black" StrokeThickness="0.2" RenderTransformOrigin="0.5,0.5"
Data="M9.5,3 C5.9101491,3 3,5.9101491 3,9.5 C3,13.08985 5.9101491,16 9.5,16 C13.08985,16 16,13.08985 16,9.5 C16,5.9101491 13.08985,3 9.5,3 z M9.5,0 C14.746705,0 19,4.2532949 19,9.5 C19,14.746705 14.746705,19 9.5,19 C4.2532949,19 0,14.746705 0,9.5 C0,4.2532949 4.2532949,0 9.5,0 z">
<Path.RenderTransform>
<CompositeTransform/>
</Path.RenderTransform>
<Path.Fill>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FF0089FF" Offset="0"/>
<GradientStop Color="White" Offset="1"/>
</LinearGradientBrush>
</Path.Fill>
</Path>
</ContentPresenter>
</Grid>
</ControlTemplate>
<Style x:Key="AjaxBusyIndicator" TargetType="toolkit:BusyIndicator" >
<Setter Property="Template" Value="{StaticResource AjaxBusyIndicatorControlTemplate}"/>
</Style>
在您的 XAML 中使用它:
<Grid x:Name="LayoutRoot" Background="White">
<toolkit:BusyIndicator IsBusy="True" Style="{StaticResource AjaxBusyIndicator}">
<TextBox Text="TEST test test" />
</toolkit:BusyIndicator>
</Grid>
嗯,真的是一个常见的场景。 Silverlight 开发人员通常使用 http://blogs.msdn.com/b/brada/archive/2009/03/20/silverlight-3-activity-control.aspx这种类型的控件。但由于您的要求是像 AJAX 一样拥有它,我认为此链接可能会有所帮助: http ://chrisa.wordpress.com/2008/10/09/a-wait-indicator-in-silverlight/
以下是有关如何为繁忙指标自定义数据模板的一些提示:http: //www.jeff.wilcox.name/2009/11/busy-indicator-control/
问候。