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WPF自定義控件與樣式(4)-CheckBox/RadioButton自定義樣式

本文轉載自   查看原文   2015-11-19 09:22   32800    WPF

一．前言

　　申明：WPF自定義控件與樣式是一個系列文章，前后是有些關聯的，但大多是按照由簡到繁的順序逐步發布的等，若有不明白的地方可以參考本系列前面的文章，文末附有部分文章鏈接。

本文主要內容：

  • CheckBox復選框的自定義樣式，有兩種不同的風格實現；
  • RadioButton單選框自定義樣式，有兩種不同的風格實現；

二． CheckBox自定義樣式

2.1 CheckBox基本樣式

標准CheckBox樣式代碼如下，實現了三態的顯示，其中不同狀態的圖標用了字體圖標（關於字體圖標，可以參考本文末尾附錄鏈接）  

    <Style x:Key="DefaultCheckBox" TargetType="{x:Type CheckBox}">
        <Setter Property="Background" Value="Transparent"></Setter>
        <Setter Property="Foreground" Value="{StaticResource TextForeground}"></Setter>
        <Setter Property="Padding" Value="0"></Setter>
        <Setter Property="local:ControlAttachProperty.FIconMargin" Value="1, 1, 3, 1"></Setter>
        <Setter Property="local:ControlAttachProperty.FIconSize" Value="22"></Setter>
        <Setter Property="FontSize" Value="{StaticResource FontSize}"></Setter>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type CheckBox}">
                    <Grid x:Name="grid" Margin="{TemplateBinding Padding}" VerticalAlignment="Center">
                        <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                            <TextBlock  x:Name="icon" Style="{StaticResource FIcon}" Text="&#xe68b;"
                                        FontSize="{TemplateBinding local:ControlAttachProperty.FIconSize}"
                                        Margin="{TemplateBinding local:ControlAttachProperty.FIconMargin}"
                                        Foreground="{TemplateBinding Foreground}"/>
                            <ContentPresenter VerticalAlignment="Center"/>
                        </StackPanel>
                    </Grid>
                    <!--觸發器：設置選中狀態符號-->
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsChecked" Value="true">
                            <Setter Property="Text" Value="&#xe660;" TargetName="icon" ></Setter>
                            <Setter Property="Foreground" Value="{StaticResource CheckedForeground}"></Setter>
                        </Trigger>
                        <Trigger Property="IsChecked" Value="{x:Null}">
                            <Setter Property="Text" Value="&#xe68c;" TargetName="icon" ></Setter>
                        </Trigger>
                        <Trigger Property="IsMouseOver" Value="true">
                            <Setter Property="Foreground" Value="{StaticResource MouseOverForeground}"></Setter>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Opacity" Value="{StaticResource DisableOpacity}" TargetName="grid" ></Setter>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

 使用示例及效果：  

            <CheckBox Margin="3">男</CheckBox>
            <CheckBox Margin="3">女</CheckBox>
            <CheckBox Margin="3" IsChecked="{x:Null}">其他</CheckBox>
            <CheckBox Margin="3" IsChecked="{x:Null}">女</CheckBox>
            <CheckBox Margin="3" IsEnabled="False">我被禁用了</CheckBox>
            <CheckBox Margin="3" IsEnabled="False" IsChecked="{x:Null}">我被禁用了</CheckBox>
            <CheckBox Margin="3" IsEnabled="False" IsChecked="True">我被禁用了</CheckBox>

 

2.2 CheckBox另一種樣式

在移動端比較常見的一種復選效果，先看看效果

 

這個代碼是很久以前寫的，用的控件的形式實現的，可以純樣式實現，更簡潔，懶得改了。C#代碼：  

    /// <summary>
    /// BulletCheckBox.xaml 的交互邏輯
    /// </summary>
    public class BulletCheckBox : CheckBox
    {
        public static readonly DependencyProperty TextProperty = DependencyProperty.Register(
            "Text", typeof(string), typeof(BulletCheckBox), new PropertyMetadata("Off"));
        /// <summary>
        /// 默認文本（未選中）
        /// </summary>
        public string Text
        {
            get { return (string)GetValue(TextProperty); }
            set { SetValue(TextProperty, value); }
        }

        public static readonly DependencyProperty CheckedTextProperty = DependencyProperty.Register(
            "CheckedText", typeof(string), typeof(BulletCheckBox), new PropertyMetadata("On"));
        /// <summary>
        /// 選中狀態文本
        /// </summary>
        public string CheckedText
        {
            get { return (string)GetValue(CheckedTextProperty); }
            set { SetValue(CheckedTextProperty, value); }
        }

        public static readonly DependencyProperty CheckedForegroundProperty =
            DependencyProperty.Register("CheckedForeground", typeof(Brush), typeof(BulletCheckBox), new PropertyMetadata(Brushes.WhiteSmoke));
        /// <summary>
        /// 選中狀態前景樣式
        /// </summary>
        public Brush CheckedForeground
        {
            get { return (Brush)GetValue(CheckedForegroundProperty); }
            set { SetValue(CheckedForegroundProperty, value); }
        }

        public static readonly DependencyProperty CheckedBackgroundProperty =
            DependencyProperty.Register("CheckedBackground", typeof(Brush), typeof(BulletCheckBox), new PropertyMetadata(Brushes.LimeGreen));
        /// <summary>
        /// 選中狀態背景色
        /// </summary>
        public Brush CheckedBackground
        {
            get { return (Brush)GetValue(CheckedBackgroundProperty); }
            set { SetValue(CheckedBackgroundProperty, value); }
        }

        static BulletCheckBox()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(BulletCheckBox), new FrameworkPropertyMetadata(typeof(BulletCheckBox)));
        }
    }
View Code

樣式代碼，狀態變換用了點小動畫，為了支持縮放，用了一個Viewbox來包裝內容：  

    <Style TargetType="{x:Type local:BulletCheckBox}">
        <Setter Property="Background" Value="#FF4A9E4A"></Setter>
        <Setter Property="Foreground" Value="#DDE8E1"></Setter>
        <Setter Property="CheckedForeground" Value="White"></Setter>
        <Setter Property="CheckedBackground" Value="#FF0CC50C"></Setter>
        <Setter Property="FontSize" Value="13"></Setter>
        <Setter Property="Cursor" Value="Hand"></Setter>
        <Setter Property="Width" Value="75"></Setter>
        <Setter Property="Height" Value="28"></Setter>
        <Setter Property="Margin" Value="1"></Setter>
        <Setter Property="Template">
            <Setter.Value>
                <!--控件模板-->
                <ControlTemplate TargetType="{x:Type local:BulletCheckBox}">
                    <Viewbox Stretch="Uniform"  VerticalAlignment="Center" HorizontalAlignment="Center">
                        <Border x:Name="border" Width="75" Height="28" Background="{TemplateBinding Background}" SnapsToDevicePixels="True"
                                Margin="{TemplateBinding Margin}" CornerRadius="14">
                            <StackPanel Orientation="Horizontal">
                                <!--狀態球-->
                                <Border x:Name="state" Width="24" Height="24" Margin="3,2,1,2" CornerRadius="12" SnapsToDevicePixels="True"
                                    Background="{TemplateBinding Foreground}">
                                    <Border.RenderTransform>
                                        <TranslateTransform x:Name="transState" X="0"></TranslateTransform>
                                    </Border.RenderTransform>
                                </Border>
                                <!--文本框-->
                                <TextBlock Width="40" Foreground="{TemplateBinding Foreground}" x:Name="txt" Text="{TemplateBinding Text}" VerticalAlignment="Center" TextAlignment="Center">
                                    <TextBlock.RenderTransform>
                                        <TranslateTransform x:Name="transTxt" X="0"></TranslateTransform>
                                    </TextBlock.RenderTransform>
                                </TextBlock>
                            </StackPanel>
                        </Border>
                    </Viewbox>

                    <!--觸發器：設置選中狀態符號-->
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsChecked" Value="True">
                            <Setter Property="Text" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=CheckedText}" TargetName="txt"/>
                            <Setter Property="Background" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=CheckedForeground}" TargetName="state"/>
                            <Setter Property="Foreground" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=CheckedForeground}" TargetName="txt"/>
                            <Setter Property="Background" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=CheckedBackground}" TargetName="border"/>
                            <Trigger.EnterActions>
                                <BeginStoryboard>
                                    <Storyboard>
                                        <DoubleAnimation Storyboard.TargetName="transState" Storyboard.TargetProperty="X" To="45" Duration="0:0:0.2" />
                                        <DoubleAnimation Storyboard.TargetName="transTxt" Storyboard.TargetProperty="X" To="-24" Duration="0:0:0.2" />
                                    </Storyboard>
                                </BeginStoryboard>
                            </Trigger.EnterActions>
                            <Trigger.ExitActions>
                                <BeginStoryboard>
                                    <Storyboard>
                                        <DoubleAnimation Storyboard.TargetName="transState" Storyboard.TargetProperty="X" To="0" Duration="0:0:0.2" />
                                        <DoubleAnimation Storyboard.TargetName="transTxt" Storyboard.TargetProperty="X" To="0" Duration="0:0:0.2" />
                                    </Storyboard>
                                </BeginStoryboard>
                            </Trigger.ExitActions>
                        </Trigger>
                       
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Opacity" Value="{StaticResource DisableOpacity}" TargetName="border"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
View Code

使用示例： 

            <kc:BulletCheckBox />
            <kc:BulletCheckBox Text="不開竅" CheckedText="開啟" IsChecked="True" />
            <kc:BulletCheckBox Text="不開竅" CheckedText="開啟" IsChecked="True" Height="24" Width="60" />
            <kc:BulletCheckBox Height="24" Width="60"/>

三．RadioButton自定義樣式

3.1 RadioButon基本樣式

標准單選控件的樣式很簡單，用不同圖標標識不同狀態，然后觸發器控制不同狀態的顯示效果。  

    <!--默認樣式-->
    <Style x:Key="DefaultRadioButton" TargetType="{x:Type RadioButton}">
        <Setter Property="Background" Value="Transparent"></Setter>
        <Setter Property="Foreground" Value="{StaticResource TextForeground}"></Setter>
        <Setter Property="Padding" Value="0"></Setter>
        <Setter Property="local:ControlAttachProperty.FIconMargin" Value="1, 1, 3, 1"></Setter>
        <Setter Property="local:ControlAttachProperty.FIconSize" Value="25"></Setter>
        <Setter Property="FontSize" Value="{StaticResource FontSize}"></Setter>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RadioButton}">
                    <Grid x:Name="grid" Margin="{TemplateBinding Padding}" VerticalAlignment="Center">
                        <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                            <TextBlock x:Name="icon" Text="&#xe63a;" Style="{StaticResource FIcon}" SnapsToDevicePixels="True"
                                       FontSize="{TemplateBinding local:ControlAttachProperty.FIconSize}"
                                        Margin="{TemplateBinding local:ControlAttachProperty.FIconMargin}"
                                        Foreground="{TemplateBinding Foreground}"/>
                            <ContentPresenter VerticalAlignment="Center"/>
                        </StackPanel>
                    </Grid>
                    <!--觸發器：設置選中狀態符號-->
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsChecked" Value="true">
                            <Setter Property="Text" Value="&#xe65c;" TargetName="icon" ></Setter>
                            <Setter Property="Foreground" Value="{StaticResource CheckedForeground}"></Setter>
                        </Trigger>
                        <Trigger Property="IsMouseOver" Value="true">
                            <Setter Property="Foreground" Value="{StaticResource MouseOverForeground}"></Setter>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Opacity" Value="{StaticResource DisableOpacity}" TargetName="grid" ></Setter>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

使用示例：  

            <RadioButton Margin="3" core:ControlAttachProperty.FIconSize="18">男</RadioButton>
            <RadioButton Margin="3" core:ControlAttachProperty.FIconSize="20">女</RadioButton>
            <RadioButton Margin="3" IsChecked="{x:Null}" core:ControlAttachProperty.FIconSize="22">其他</RadioButton>
            <RadioButton Margin="3" IsChecked="{x:Null}" core:ControlAttachProperty.FIconSize="24">女</RadioButton>
            <RadioButton Margin="3" IsChecked="{x:Null}" core:ControlAttachProperty.FIconSize="26">女</RadioButton>
            <RadioButton Margin="3" IsEnabled="False">我被禁用了</RadioButton>
            <RadioButton Margin="3" IsEnabled="False" IsChecked="{x:Null}">我被禁用了</RadioButton>

效果圖：

 

3.2 RadioButton淘寶、京東物品尺碼單項樣式

先看看效果：

 

樣式定義也很簡單，右下角那個小勾勾用的是一個字體圖標，可以根據需要調整大小。  

    <Style x:Key="BoxRadioButton" TargetType="{x:Type RadioButton}">
        <Setter Property="Background" Value="Transparent"></Setter>
        <Setter Property="Foreground" Value="{StaticResource TextForeground}"></Setter>
        <Setter Property="Padding" Value="3 2 3 2"></Setter>
        <Setter Property="FontSize" Value="{StaticResource FontSize}"></Setter>
        <Setter Property="BorderThickness" Value="2"></Setter>
        <Setter Property="Height" Value="auto"></Setter>
        <Setter Property="SnapsToDevicePixels" Value="true"></Setter>
        <Setter Property="BorderBrush" Value="{StaticResource ControlBorderBrush}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RadioButton}">
                    <Grid x:Name="grid" VerticalAlignment="Center">
                        <Border BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}"  Height="{TemplateBinding Height}" HorizontalAlignment="Center"
                                Background="{TemplateBinding Background}" Width="{TemplateBinding Width}">
                            <ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center" Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                        </Border>
                        <!--選中的狀態標識-->
                        <TextBlock Text="&#xe606;" x:Name="checkState" Style="{StaticResource FIcon}" VerticalAlignment="Bottom" Visibility="Collapsed"
                                   FontSize="14" Margin="1" HorizontalAlignment="Right" Foreground="{StaticResource CheckedForeground}"/>
                    </Grid>
                    <!--觸發器：設置選中狀態符號-->
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsChecked" Value="true">
                            <Setter Property="Visibility" Value="Visible" TargetName="checkState" ></Setter>
                            <Setter Property="BorderBrush" Value="{StaticResource CheckedForeground}"></Setter>
                        </Trigger>
                        <Trigger Property="IsMouseOver" Value="true">
                            <Setter Property="BorderBrush" Value="{StaticResource MouseOverForeground}"></Setter>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="False">
                            <Setter Property="Opacity" Value="{StaticResource DisableOpacity}" TargetName="grid" ></Setter>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

示例代碼：  

<RadioButton Style="{StaticResource BoxRadioButton}" Margin="1">近3天</RadioButton>
<RadioButton Style="{StaticResource BoxRadioButton}" Margin="1">近7天</RadioButton>
<RadioButton Style="{StaticResource BoxRadioButton}" Margin="1">本月</RadioButton>
<RadioButton Style="{StaticResource BoxRadioButton}" Margin="1">自定義</RadioButton>
<RadioButton Style="{StaticResource BoxRadioButton}" Margin="1">2012.05.12-2015.12.14</RadioButton>

 

補充說明，上面樣式中有用到附加屬性，如

ControlAttachProperty.FIconMargin" Value="1, 1, 3, 1"：復選框或單選框字體圖標的邊距

ControlAttachProperty.FIconSize" Value="25"：復選框或單選框字體圖標的大小

關於附加屬性可以參考上一篇（本文末尾鏈接），C#定義代碼：

        #region FIconProperty 字體圖標
        /// <summary>
        /// 字體圖標
        /// </summary>
        public static readonly DependencyProperty FIconProperty = DependencyProperty.RegisterAttached(
            "FIcon", typeof(string), typeof(ControlAttachProperty), new FrameworkPropertyMetadata(""));

        public static string GetFIcon(DependencyObject d)
        {
            return (string)d.GetValue(FIconProperty);
        }

        public static void SetFIcon(DependencyObject obj, string value)
        {
            obj.SetValue(FIconProperty, value);
        }
        #endregion

        #region FIconSizeProperty 字體圖標大小
        /// <summary>
        /// 字體圖標
        /// </summary>
        public static readonly DependencyProperty FIconSizeProperty = DependencyProperty.RegisterAttached(
            "FIconSize", typeof(double), typeof(ControlAttachProperty), new FrameworkPropertyMetadata(12D));

        public static double GetFIconSize(DependencyObject d)
        {
            return (double)d.GetValue(FIconSizeProperty);
        }

        public static void SetFIconSize(DependencyObject obj, double value)
        {
            obj.SetValue(FIconSizeProperty, value);
        }
        #endregion

        #region FIconMarginProperty 字體圖標邊距
        /// <summary>
        /// 字體圖標
        /// </summary>
        public static readonly DependencyProperty FIconMarginProperty = DependencyProperty.RegisterAttached(
            "FIconMargin", typeof(Thickness), typeof(ControlAttachProperty), new FrameworkPropertyMetadata(null));

        public static Thickness GetFIconMargin(DependencyObject d)
        {
            return (Thickness)d.GetValue(FIconMarginProperty);
        }

        public static void SetFIconMargin(DependencyObject obj, Thickness value)
        {
            obj.SetValue(FIconMarginProperty, value);
        }
        #endregion

 

附錄：參考引用

WPF自定義控件與樣式(1)-矢量字體圖標(iconfont) 

WPF自定義控件與樣式(2)-自定義按鈕FButton

WPF自定義控件與樣式(3)-TextBox & RichTextBox & PasswordBox樣式、水印、Label標簽、功能擴展   

 

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