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[Silverlight] Mac OS 风格按钮 Style 实现的更新版(针

来源:http://myeducs.cn 联系QQ:点击这里给我发消息 作者: 用户投稿 来源: 网络 发布时间: 12/12/13

  在 Silverlight 2 beta 2 时,我曾经写了一篇帖子实现了苹果风格的按钮样式( Silverlight 下苹果 (Mac OS)风格按钮的实现)。

  而现在 Silverlight 2 终于发布了,也给之前的代码带来了很多问题,导致无法继续使用。

  经过一阵探索,我终于成功修改了这个代码,现在在正式版下也能工作正常了。其关键点如下:

  1. 在 beta 2 时,需要采用 <vsm:Setter> 和 <vsm:Style> 的语法编写样式。其中 vsm 是个名称空间引用:

  XMLns:vsm="clr-namespace:System.Windows;assembly=System.Windows"

  而正式版下直接用 <Style> 和 <Setter> 表签即可。

  这个问题如果不修改,程序可以编译通过,但是运行时会报一个莫名其妙的 “ AG_E_PARSER_PROPERTY_NOT_FOUND ”错误。

  2. ContentPresenter 和 ContentControl 控件删除了如下属性:

  TextDecorations,

  TextWrapping,

  TextAlignment.

  因此,现在必须在 template 中将 ContentPresenter 的定位改用容器 Button 的 HorizontalContentAlignment 和 VerticalContentAlignment 属性来控制。代码如下:

<ContentPresenter Margin="4,5,4,4" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />

  修改成功后的 Style 全部代码如下:

<UserControl 
  x:Class="UserControl" 
  XMLns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
  xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
  mc:Ignorable="d" 
  d:DesignWidth="640" d:DesignHeight="480"> 
 
  <UserControl.Resources> 
    <Style x:Key="MyButton" TargetType="Button"> 
      <Setter Property="IsEnabled" Value="true"/> 
      <Setter Property="IsTabStop" Value="true"/> 
      <Setter Property="Background" Value="#FF003255"/> 
      <Setter Property="Foreground" Value="#FF313131"/> 
      <Setter Property="MinWidth" Value="5"/> 
      <Setter Property="MinHeight" Value="5"/> 
      <Setter Property="Margin" Value="0"/> 
      <Setter Property="HorizontalContentAlignment" Value="Center"/> 
      <Setter Property="VerticalContentAlignment" Value="Center"/> 
      <Setter Property="Cursor" Value="Arrow"/> 
      <Setter Property="FontSize" Value="11" /> 
      <Setter Property="Template"> 
        <Setter.Value> 
          <ControlTemplate TargetType="Button"> 
            <Grid> 
              <Grid.Resources> 
                <Color x:Key="LinearBevelLightStartColor">#FFFFFFFF</Color> 
                <Color x:Key="LinearBevelLightEndColor">#F4E2E0E0</Color> 
                <Color x:Key="LinearBevelDarkStartColor">#E0E5E5E5</Color> 
                <Color x:Key="LinearBevelDarkEndColor">#B2FFFFFF</Color> 
                <Color x:Key="MouseOverLinearBevelDarkEndColor">#7FFC1717</Color> 
                <Color x:Key="HoverLinearBevelLightStartColor">#FCFFFFFF</Color> 
                <Color x:Key="HoverLinearBevelLightEndColor">#EAFFFFFF</Color> 
                <Color x:Key="HoverLinearBevelDarkStartColor">#D8FFFFFF</Color> 
                <Color x:Key="HoverLinearBevelDarkEndColor">#4CFFFFFF</Color> 
                <Color x:Key="CurvedBevelFillStartColor">#B3FFFFFF</Color> 
                <Color x:Key="CurvedBevelFillEndColor">#3CFFFFFF</Color> 
                <SolidColorBrush x:Key="BorderBrush" Color="#FF5E5E5E"/> 
                <SolidColorBrush x:Key="AccentBrush" Color="#FF000000"/> 
                <SolidColorBrush x:Key="DisabledBrush" Color="#A5FFFFFF"/> 
                <LinearGradientBrush x:Key="FocusedStrokeBrush" EndPoint="0.5,1" StartPoint="0.5,0"> 
                  <GradientStop Color="#B2FFFFFF" Offset="0"/> 
                  <GradientStop Color="#51FFFFFF" Offset="1"/> 
                  <GradientStop Color="#66FFFFFF" Offset="0.325"/> 
                  <GradientStop Color="#1EFFFFFF" Offset="0.325"/> 
                </LinearGradientBrush> 
              </Grid.Resources> 
              <VisualStateManager.VisualStateGroups> 
                <VisualStateGroup x:Name="CommonStates"> 
                  <VisualStateGroup.Transitions> 
                    <VisualTransition GeneratedDuration="00:00:00.2000000" To="MouseOver"/> 
                    <VisualTransition GeneratedDuration="0:0:0.1" To="Pressed"/> 
                    <VisualTransition GeneratedDuration="00:00:00.2000000" From="Normal" To="MouseOver"/> 
                  </VisualStateGroup.Transitions> 
                  <VisualState x:Name="Normal"> 
                    <Storyboard/> 
                  </VisualState> 
                  <VisualState x:Name="MouseOver"> 
                    <Storyboard> 
                      <ColorAnimationUsingKeyFrames 
                        Duration="0" 
                        Storyboard.TargetName="BackgroundGradient" 
                        Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[0].(GradientStop.Color)"> 
                        <SplineColorKeyFrame KeyTime="0" Value="#c8d5ed" /> 
                      </ColorAnimationUsingKeyFrames> 
                      <ColorAnimationUsingKeyFrames 
                        Duration="0" 
                        Storyboard.TargetName="BackgroundGradient" 
                        Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Color)"> 
                        <SplineColorKeyFrame KeyTime="0" Value="#97c2ee" /> 
                      </ColorAnimationUsingKeyFrames> 
                      <ColorAnimationUsingKeyFrames 
                        Duration="0" 
                        Storyboard.TargetName="BackgroundGradient" 
                        Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[2].(GradientStop.Color)"> 
                        <SplineColorKeyFrame KeyTime="0" Value="#6eadee" /> 
                      </ColorAnimationUsingKeyFrames> 
                      <ColorAnimationUsingKeyFrames 
                        Duration="0" 
                        Storyboard.TargetName="BackgroundGradient" 
                        Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[3].(GradientStop.Color)"> 
                        <SplineColorKeyFrame KeyTime="0" Value="#aff9ff" /> 
                      </ColorAnimationUsingKeyFrames> 
                    </Storyboard> 
                  </VisualState> 
                  <VisualState x:Name="Pressed"> 
                    <Storyboard> 
                      <DoubleAnimationUsingKeyFrames Duration="0" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Offset)"> 
                        <SplineDoubleKeyFrame KeyTime="0" Value=".2"/> 
                      </DoubleAnimationUsingKeyFrames> 
                      <ColorAnimationUsingKeyFrames 
                        Duration="0" 
                        Storyboard.TargetName="BackgroundGradient" 
                        Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[0].(GradientStop.Color)"> 
                        <SplineColorKeyFrame KeyTime="0" Value="#bac5e8" /> 
                      </ColorAnimationUsingKeyFrames> 
                      <ColorAnimationUsingKeyFrames 
                        Duration="0" 
                        Storyboard.TargetName="BackgroundGradient" 
                        Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Color)"> 
                        <SplineColorKeyFrame KeyTime="0" Value="#7bb2e9" /> 
                      </ColorAnimationUsingKeyFrames> 
                      <ColorAnimationUsingKeyFrames 
                        Duration="0" 
                        Storyboard.TargetName="BackgroundGradient" 
                        Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[2].(GradientStop.Color)"> 
                        <SplineColorKeyFrame KeyTime="0" Value="#4d9ae7" /> 
                      </ColorAnimationUsingKeyFrames> 
                      <ColorAnimationUsingKeyFrames 
                        Duration="0" 
                        Storyboard.TargetName="BackgroundGradient" 
                        Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[3].(GradientStop.Color)"> 
                        <SplineColorKeyFrame KeyTime="0" Value="#85eaff" /> 
                      </ColorAnimationUsingKeyFrames> 
                    </Storyboard> 
                  </VisualState> 
                  <VisualState x:Name="Disabled"> 
                    <Storyboard> 
                      <DoubleAnimationUsingKeyFrames Duration="0" Storyboard.TargetName="DisabledVisual" Storyboard.TargetProperty="Opacity"> 
                        <SplineDoubleKeyFrame KeyTime="0" Value="1"/> 
                      </DoubleAnimationUsingKeyFrames> 
                    </Storyboard> 
                  </VisualState> 
                </VisualStateGroup> 
                <VisualStateGroup x:Name="FocusStates"> 
                  <VisualState x:Name="Focused"> 
                    <Storyboard> 
                      <ObjectAnimationUsingKeyFrames Duration="0" Storyboard.TargetName="FocusVisual" Storyboard.TargetProperty="Visibility"> 
                        <DiscreteObjectKeyFrame KeyTime="0"> 
                          <DiscreteObjectKeyFrame.Value> 
                            <Visibility>Visible</Visibility> 
                          </DiscreteObjectKeyFrame.Value> 
                        </DiscreteObjectKeyFrame> 
                      </ObjectAnimationUsingKeyFrames> 
                    </Storyboard> 
                  </VisualState> 
                  <VisualState x:Name="Unfocused"> 
                    <Storyboard/> 
                  </VisualState> 
                </VisualStateGroup> 
              </VisualStateManager.VisualStateGroups> 
              <Rectangle x:Name="Background" Fill="{TemplateBinding Background}" RadiusX="11" RadiusY="11"/> 
              <Rectangle x:Name="BackgroundGradient" Stroke="{StaticResource BorderBrush}" StrokeThickness="1" RadiusX="11" RadiusY="11" Margin="-1,-1,-1,-1"> 
                <Rectangle.Fill> 
                  <LinearGradientBrush EndPoint="0.7,1" StartPoint="0.7,0"> 
                    <GradientStop Color="{StaticResource LinearBevelLightStartColor}" Offset="0"/> 
                    <GradientStop Color="{StaticResource LinearBevelLightEndColor}" Offset="0.326"/> 
                    <GradientStop Color="{StaticResource LinearBevelDarkStartColor}" Offset="0.344"/> 
                    <GradientStop Color="#FFFFFFFF" Offset="0.786"/> 
                  </LinearGradientBrush> 
                </Rectangle.Fill> 
              </Rectangle> 
              <Grid x:Name="FocusVisual" Visibility="Collapsed"> 
                <Rectangle Margin="-2,1,-2,-2" Stroke="{StaticResource AccentBrush}" StrokeThickness="1" StrokeDashArray="1.5 1.5" RadiusX="3" RadiusY="3" /> 
              </Grid> 
              <ContentPresenter Margin="4,5,4,4" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" /> 
              <Rectangle x:Name="DisabledVisual" IsHitTestVisible="false" Opacity="0" Fill="{StaticResource DisabledBrush}" RadiusX="11" RadiusY="11" Margin="-1,-1,-1,-1"/> 
            </Grid> 
          </ControlTemplate> 
        </Setter.Value> 
      </Setter> 
    </Style> 
  </UserControl.Resources> 
 
  <Grid x:Name="LayoutRoot" Background="White" > 
    <Button Height="35" HorizontalAlignment="Stretch" Margin="198,132,262,0" Style="{StaticResource MyButton}" VerticalAlignment="Top" Content="Button"/> 
  </Grid> 
</UserControl>

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