WPF Styles - ToggleButton Switch Phong Cách IOS

Bài này sẽ giới thiệu đến các bạn một style đẹp phong cách IOS cho ToggleButton trong WPF

Các bạn chỉ việt coppy và paste đoạn Tyle sau vào nơi nào bạn muốn(nên để ở App.xaml hoặc một file Dictionary riêng được link bởi App.xaml) và Style này có thể được "nhìn thấy" trong ứng dụng của bạn.

[code language="xml"]

<ResourceDictionary>
<Style x:Key="AnimatedSwitch" TargetType="{x:Type ToggleButton}">
<Setter Property="Foreground" Value="Black" />
<Setter Property="Background" Value="#FAFAFB" />
<Setter Property="BorderBrush" Value="#EAEAEB" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ToggleButton">
<Viewbox Stretch="Uniform">
<Canvas Name="Layer_1" Width="20" Height="20" Canvas.Left="10" Canvas.Top="0">
<Ellipse Canvas.Left="0" Width="20" Height="20" Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="0.5"/>
<Ellipse Canvas.Left="15" Width="20" Height="20" Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="0.5"/>
<Border Canvas.Left="10" Width="15" Height="20" Name="rect416927" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="0,0.5,0,0.5"/>
<Ellipse x:Name="ellipse" Canvas.Left="0" Width="20" Height="20" Fill="White" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="0.3">
<Ellipse.RenderTransform>
<TranslateTransform X="0" Y="0" />
</Ellipse.RenderTransform>
<Ellipse.BitmapEffect>
<DropShadowBitmapEffect Softness="0.1" ShadowDepth="0.7" Direction="270" Color="#BBBBBB"/>
</Ellipse.BitmapEffect>
</Ellipse>
</Canvas>
</Viewbox>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="True" >
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation Storyboard.TargetProperty="Background.Color" To="#52D468" Duration="0:0:0.2" />
<ColorAnimation Storyboard.TargetProperty="BorderBrush.Color" To="#41C955" Duration="0:0:0.2" />
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Ellipse.RenderTransform).(TranslateTransform.X)" Storyboard.TargetName="ellipse">
<SplineDoubleKeyFrame KeyTime="0" Value="0"/>
<SplineDoubleKeyFrame KeyTime="0:0:0.4" Value="15" KeySpline="0, 1, 0.6, 1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation Storyboard.TargetProperty="Background.Color" To="#FAFAFB" Duration="0:0:0.2" />
<ColorAnimation Storyboard.TargetProperty="BorderBrush.Color" To="#EAEAEB" Duration="0:0:0.2" />
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Ellipse.RenderTransform).(TranslateTransform.X)" Storyboard.TargetName="ellipse">
<SplineDoubleKeyFrame KeyTime="0" Value="15"/>
<SplineDoubleKeyFrame KeyTime="0:0:0.3" Value="0" KeySpline="0, 0.5, 0.5, 1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ResourceDictionary>

[/code]

Bạn dùng Style này như sau

[code language="xml"]
<Grid>
<ToggleButton Style="{StaticResource AnimatedSwitch}" Height="80"/>
</Grid>
[/code]

Và thế là bạn đã có một ToggleButton đẹp mắt, sau đây là mẫu hoàng chỉnh

[code language="xml"]
<Page
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:PresentationOptions="http://schemas.microsoft.com/winfx/2006/xaml/presentation/options"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Page.Resources>
<ResourceDictionary>
<Style x:Key="AnimatedSwitch" TargetType="{x:Type ToggleButton}">
<Setter Property="Foreground" Value="Black" />
<Setter Property="Background" Value="#FAFAFB" />
<Setter Property="BorderBrush" Value="#EAEAEB" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ToggleButton">
<Viewbox Stretch="Uniform">
<Canvas Name="Layer_1" Width="20" Height="20" Canvas.Left="10" Canvas.Top="0">
<Ellipse Canvas.Left="0" Width="20" Height="20" Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="0.5"/>
<Ellipse Canvas.Left="15" Width="20" Height="20" Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="0.5"/>
<Border Canvas.Left="10" Width="15" Height="20" Name="rect416927" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="0,0.5,0,0.5"/>
<Ellipse x:Name="ellipse" Canvas.Left="0" Width="20" Height="20" Fill="White" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="0.3">
<Ellipse.RenderTransform>
<TranslateTransform X="0" Y="0" />
</Ellipse.RenderTransform>
<Ellipse.BitmapEffect>
<DropShadowBitmapEffect Softness="0.1" ShadowDepth="0.7" Direction="270" Color="#BBBBBB"/>
</Ellipse.BitmapEffect>
</Ellipse>
</Canvas>
</Viewbox>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="True" >
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation Storyboard.TargetProperty="Background.Color" To="#52D468" Duration="0:0:0.2" />
<ColorAnimation Storyboard.TargetProperty="BorderBrush.Color" To="#41C955" Duration="0:0:0.2" />
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Ellipse.RenderTransform).(TranslateTransform.X)" Storyboard.TargetName="ellipse">
<SplineDoubleKeyFrame KeyTime="0" Value="0"/>
<SplineDoubleKeyFrame KeyTime="0:0:0.4" Value="15" KeySpline="0, 1, 0.6, 1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation Storyboard.TargetProperty="Background.Color" To="#FAFAFB" Duration="0:0:0.2" />
<ColorAnimation Storyboard.TargetProperty="BorderBrush.Color" To="#EAEAEB" Duration="0:0:0.2" />
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Ellipse.RenderTransform).(TranslateTransform.X)" Storyboard.TargetName="ellipse">
<SplineDoubleKeyFrame KeyTime="0" Value="15"/>
<SplineDoubleKeyFrame KeyTime="0:0:0.3" Value="0" KeySpline="0, 0.5, 0.5, 1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ResourceDictionary>
</Page.Resources>
<Grid>
<ToggleButton Style="{StaticResource AnimatedSwitch}" Height="80"/>
</Grid>
</Page>
[/code]

Chúc các bạn thành công,
Tuân