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WPF+MVVM案例实战(十七)- 自定义字体图标按钮的封装与实现(ABC类)

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文章目录

  • 1、案例效果
  • 1、按钮分类
  • 2、ABC类按钮实现
    • 1、文件创建
    • 2、字体图标资源
    • 3、自定义依赖属性
    • 4、按钮特效样式实现
  • 3、按钮案例演示
    • 1、页面实现与文件创建
    • 2、依赖注入
    • 3 运行效果
    • 4、源代码下载


1、案例效果

在这里插入图片描述

1、按钮分类

在WPF开发中,最常见的就是按钮的使用,这里我们总结以下大概的按钮种类,然后分别实现对应的按钮。

  • A【纯文字按钮】 只有文字,但是会根据根据操作改变颜色
  • B【纯图片按钮 】只有图片,但是会有图片旋转或者变色特效
  • C【文字图片按钮】图片在左,文字在右边,有部分特效
  • D【文字图片按钮】图片在右,文字在左边,有部分特效
  • E【文字图片按钮】图片在上,文字在下,有部分特效
  • F【文字图片按钮】图片在下,文字在上,有部分特效

基本上所有按钮都是上面归纳的情况了,接下来,我们一步一步去实现上面的这些按钮并封装成对应的按钮控件,方便后续使用。

2、ABC类按钮实现

1、文件创建

打开 Wpf_Examples 项目,在自定义控类库中创建文件夹 Buttons ,在Buttons 文件夹下创建 IconFontButton.cs 文件,这里我们将 ABC 三类统称为 字体图标按钮。目录结构如下所示:
在这里插入图片描述

2、字体图标资源

想要做出好看的按钮,离不开一个能随时满足自己需求样式的好图标,这里推荐使用阿里巴巴矢量图标库,一款强大免费的图标库,可以搜索到你想要的图标,随时满足你想要的按钮图标,可以创建项目,把每个项目图标单独分类,简直不要太好。每个项目都可以下载 字体资源,也就是 .ttf 格式的子图文件,有了这个文件,我们使用图标就只需要 图标下面的字体代码即可。
在这里插入图片描述
在这里插入图片描述
在这里插入图片描述

3、自定义依赖属性

  • PressedBackground - 鼠标按下背景样式类型: Brush默认值: Brushes.DarkBlue
  • PressedForeground - 鼠标按下前景样式(图标、文字)类型: Brush默认值:Brushes.White
  • MouseOverBackground - 鼠标进入背景样式类型: Brush默认值: Brushes.RoyalBlue
  • MouseOverForeground - 鼠标进入前景样式类型: Brush默认值: Brushes.White
  • FIcon - 按钮字体图标编码类型: string默认值: “\ue604”
  • FIconSize - 按钮字体图标大小类型: int默认值: 20
  • FIconMargin - 字体图标间距类型: Thickness默认值: new Thickness(0, 1, 3, 1)
  • AllowsAnimation - 是否启用Ficon动画类型: bool 默认值: true
  • CornerRadius - 按钮圆角大小, 左上,右上,右下,左下 默认值: 2
  • ContentDecorations - 内容装饰集合 类型: TextDecorationCollection 默认值: null
    每个依赖属性都有一个对应的属性用于获取和设置其值,并且通过DependencyProperty.Register 方法注册为依赖属性。这些属性允许 IconFontButton 控件根据用户交互或数据变化动态地改变其外观。

代码实现如下:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows;

namespace CustomControlLib.Buttons
{
    public class IconFontButton : Button
    {
        public static readonly DependencyProperty PressedBackgroundProperty =
            DependencyProperty.Register("PressedBackground", typeof(Brush), typeof(IconFontButton), new PropertyMetadata(Brushes.DarkBlue));
        /// <summary>
        /// 鼠标按下背景样式
        /// </summary>
        public Brush PressedBackground
        {
            get { return (Brush)GetValue(PressedBackgroundProperty); }
            set { SetValue(PressedBackgroundProperty, value); }
        }

        public static readonly DependencyProperty PressedForegroundProperty =
            DependencyProperty.Register("PressedForeground", typeof(Brush), typeof(IconFontButton), new PropertyMetadata(Brushes.White));
        /// <summary>
        /// 鼠标按下前景样式(图标、文字)
        /// </summary>
        public Brush PressedForeground
        {
            get { return (Brush)GetValue(PressedForegroundProperty); }
            set { SetValue(PressedForegroundProperty, value); }
        }

        public static readonly DependencyProperty MouseOverBackgroundProperty =
            DependencyProperty.Register("MouseOverBackground", typeof(Brush), typeof(IconFontButton), new PropertyMetadata(Brushes.RoyalBlue));
        /// <summary>
        /// 鼠标进入背景样式
        /// </summary>
        public Brush MouseOverBackground
        {
            get { return (Brush)GetValue(MouseOverBackgroundProperty); }
            set { SetValue(MouseOverBackgroundProperty, value); }
        }

        public static readonly DependencyProperty MouseOverForegroundProperty =
            DependencyProperty.Register("MouseOverForeground", typeof(Brush), typeof(IconFontButton), new PropertyMetadata(Brushes.White));
        /// <summary>
        /// 鼠标进入前景样式
        /// </summary>
        public Brush MouseOverForeground
        {
            get { return (Brush)GetValue(MouseOverForegroundProperty); }
            set { SetValue(MouseOverForegroundProperty, value); }
        }

        public static readonly DependencyProperty FIconProperty =
            DependencyProperty.Register("FIcon", typeof(string), typeof(IconFontButton), new PropertyMetadata("\ue604"));
        /// <summary>
        /// 按钮字体图标编码
        /// </summary>
        public string FIcon
        {
            get { return (string)GetValue(FIconProperty); }
            set { SetValue(FIconProperty, value); }
        }

        public static readonly DependencyProperty FIconSizeProperty =
            DependencyProperty.Register("FIconSize", typeof(int), typeof(IconFontButton), new PropertyMetadata(20));
        /// <summary>
        /// 按钮字体图标大小
        /// </summary>
        public int FIconSize
        {
            get { return (int)GetValue(FIconSizeProperty); }
            set { SetValue(FIconSizeProperty, value); }
        }

        public static readonly DependencyProperty FIconMarginProperty = DependencyProperty.Register(
            "FIconMargin", typeof(Thickness), typeof(IconFontButton), new PropertyMetadata(new Thickness(0, 1, 3, 1)));
        /// <summary>
        /// 字体图标间距
        /// </summary>
        public Thickness FIconMargin
        {
            get { return (Thickness)GetValue(FIconMarginProperty); }
            set { SetValue(FIconMarginProperty, value); }
        }

        public static readonly DependencyProperty AllowsAnimationProperty = DependencyProperty.Register(
            "AllowsAnimation", typeof(bool), typeof(IconFontButton), new PropertyMetadata(true));
        /// <summary>
        /// 是否启用Ficon动画
        /// </summary>
        public bool AllowsAnimation
        {
            get { return (bool)GetValue(AllowsAnimationProperty); }
            set { SetValue(AllowsAnimationProperty, value); }
        }

        public static readonly DependencyProperty CornerRadiusProperty =
            DependencyProperty.Register("CornerRadius", typeof(CornerRadius), typeof(IconFontButton), new PropertyMetadata(new CornerRadius(2)));
        /// <summary>
        /// 按钮圆角大小,左上,右上,右下,左下
        /// </summary>
        public CornerRadius CornerRadius
        {
            get { return (CornerRadius)GetValue(CornerRadiusProperty); }
            set { SetValue(CornerRadiusProperty, value); }
        }

        public static readonly DependencyProperty ContentDecorationsProperty = DependencyProperty.Register(
            "ContentDecorations", typeof(TextDecorationCollection), typeof(IconFontButton), new PropertyMetadata(null));
        public TextDecorationCollection ContentDecorations
        {
            get { return (TextDecorationCollection)GetValue(ContentDecorationsProperty); }
            set { SetValue(ContentDecorationsProperty, value); }
        }

        static IconFontButton()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(IconFontButton), new FrameworkPropertyMetadata(typeof(IconFontButton)));
        }
    }
}

4、按钮特效样式实现

在 自定义控件的 Themes 文件夹下创建 Buttons 文件夹,主要存放各种按钮的样式,新建资源样视文件 IconFontButton.xaml ,引用按钮控件如下所示:
在这里插入图片描述
然后实现按钮特效样式,这里我把样式分成2个部分实现。

  • 1、按钮模板样式 FButton_Template
  • 2、按钮属性样式 FButtonStyle

样式代码实现如下所示:

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:CustomControlLib.Buttons"
                    >
    <SolidColorBrush x:Key="ButtonBackground" Color="DimGray"></SolidColorBrush>
    <SolidColorBrush x:Key="ButtonForeground" Color="White"></SolidColorBrush>
    <!--鼠标在按钮上时按钮背景颜色-->
    <SolidColorBrush x:Key="ButtonMouseOverBackground" Color="#93545454"></SolidColorBrush>
    <!--鼠标在按钮上时按钮字体颜色-->
    <SolidColorBrush x:Key="ButtonMouseOverForeground" Color="#E6E6E6"></SolidColorBrush>
    <SolidColorBrush x:Key="ButtonPressedBackground" Color="#2F2F2F"></SolidColorBrush>
    <SolidColorBrush x:Key="ButtonPressedForeground" Color="White"></SolidColorBrush>

    <Style x:Key="IconFontText" TargetType="TextBlock">
        <Setter Property="FontFamily" Value="pack://application:,,,/CustomControlLib;component/Fonts/#iconfont"></Setter>
        <Setter Property="Foreground" Value="White"/>
        <Setter Property="TextAlignment" Value="Center"/>
        <Setter Property="HorizontalAlignment" Value="Center"/>
        <Setter Property="VerticalAlignment" Value="Center"/>
        <Setter Property="FontSize" Value="20"/>
    </Style>

    <ControlTemplate x:Key="FButton_Template" TargetType="{x:Type local:IconFontButton}">
        <Border x:Name="border" Background="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path= Background}" 
                                Height="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=Height}" 
                                CornerRadius="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=CornerRadius}" 
                                BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"
                                Width="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=Width}">
            <StackPanel Orientation="Horizontal" VerticalAlignment="Center" 
                    Margin="{TemplateBinding Padding}"
                    HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}">
                <TextBlock x:Name="icon"  Margin="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=FIconMargin}" 
                       RenderTransformOrigin="0.5,0.5" Style="{StaticResource IconFontText}"
                       Text="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path= FIcon}"
                       FontSize="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path= FIconSize}" 
                       Foreground="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path= Foreground}">
                    <TextBlock.RenderTransform>
                        <RotateTransform x:Name="transIcon" Angle="0"/>
                    </TextBlock.RenderTransform>
                </TextBlock>

                <TextBlock VerticalAlignment="Center"  x:Name="txt" 
                       TextDecorations="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=ContentDecorations}" 
                                           Text="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=Content}" 
                                           FontSize="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=FontSize}" 
                                           Foreground="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Path=Foreground}"/>
            </StackPanel>
        </Border>
        <ControlTemplate.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Setter Property="Background" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, 
                            Path=MouseOverBackground}" TargetName="border" />
                <Setter Property="Foreground" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, 
                            Path=MouseOverForeground}" TargetName="icon"/>
                <Setter Property="Foreground" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, 
                            Path=MouseOverForeground}" TargetName="txt"/>
            </Trigger>
            <MultiTrigger>
                <MultiTrigger.Conditions>
                    <Condition Property="IsMouseOver" Value="true"></Condition>
                    <Condition Property="AllowsAnimation" Value="true"></Condition>
                </MultiTrigger.Conditions>
                <MultiTrigger.EnterActions>
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation Storyboard.TargetName="transIcon" Storyboard.TargetProperty="Angle" To="180" Duration="0:0:0.2" />
                        </Storyboard>
                    </BeginStoryboard>
                </MultiTrigger.EnterActions>
                <MultiTrigger.ExitActions>
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation Storyboard.TargetName="transIcon" Storyboard.TargetProperty="Angle" To="0" Duration="0:0:0.2" />
                        </Storyboard>
                    </BeginStoryboard>
                </MultiTrigger.ExitActions>
            </MultiTrigger>
            <Trigger Property="IsPressed" Value="True">
                <Setter Property="Background" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, 
                            Path=PressedBackground}" TargetName="border" />
                <Setter Property="Foreground" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, 
                            Path=PressedForeground}" TargetName="icon"/>
                <Setter Property="Foreground" Value="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, 
                            Path=PressedForeground}" TargetName="txt"/>
            </Trigger>
            <Trigger Property="IsEnabled" Value="false">
                <Setter Property="Opacity" Value="0.5" TargetName="border"/>
            </Trigger>
        </ControlTemplate.Triggers>
    </ControlTemplate>

    <Style x:Key="FButtonStyle" TargetType="{x:Type local:IconFontButton}">
        <Setter Property="Background" Value="{StaticResource ButtonBackground}" />
        <Setter Property="Foreground" Value="{StaticResource ButtonForeground}" />
        <Setter Property="MouseOverBackground" Value="{StaticResource ButtonMouseOverBackground}" />
        <Setter Property="MouseOverForeground" Value="{StaticResource ButtonMouseOverForeground}" />
        <Setter Property="PressedBackground" Value="{StaticResource ButtonPressedBackground}" />
        <Setter Property="PressedForeground" Value="{StaticResource ButtonPressedForeground}" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="Width" Value="100" />
        <Setter Property="Height" Value="30" />
        <Setter Property="FontSize" Value="13" />
        <Setter Property="CornerRadius" Value="0" />
        <Setter Property="FIconSize" Value="20" />
        <Setter Property="Template" Value="{StaticResource FButton_Template}"/>
        <Setter Property="Padding" Value="3,1,3,1" />
        <Setter Property="Content" Value="{x:Null}" />
        <Setter Property="FIconMargin" Value="0,0,5,0" />
        <Setter Property="AllowsAnimation" Value="False" />
    </Style>
    <Style TargetType="{x:Type local:IconFontButton}" BasedOn="{StaticResource FButtonStyle}"/>
</ResourceDictionary>

以上我们就实现了BC 类的按钮功能,接下来我们逐个使用写出案例。

3、按钮案例演示

1、页面实现与文件创建

打开 Wpf_Examples 项目,在 ViewModels 下创建 ButtonViewModel.cs 文件,Views 文件下创建 ButtonWindow.xaml 窗体。创建完成后如下所示:

在这里插入图片描述
ButtonWindow.xaml 代码实现如下:

<Window x:Class="Wpf_Examples.Views.ButtonWindow"
        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"
        xmlns:local="clr-namespace:Wpf_Examples.Views"
        xmlns:cc="clr-namespace:CustomControlLib.Buttons;assembly=CustomControlLib"
        DataContext="{Binding Source={StaticResource Locator},Path=FButton}"
        mc:Ignorable="d"
        Title="ButtonWindow" Height="450" Width="800" Background="#2B2B2B">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <StackPanel Orientation="Horizontal">
            <GroupBox Header="【纯图片按钮】根据操作改变颜色" Foreground="White">
                <StackPanel Orientation="Vertical">
                    <cc:IconFontButton FIcon="&#xe656;" Margin="5" AllowsAnimation="False" Foreground="Red"/>
                    <cc:IconFontButton Content="文字按钮" FIcon="" Background="Transparent" AllowsAnimation="True" Foreground="#7ACDE9"/>

                    <StackPanel Orientation="Horizontal">
                        <cc:IconFontButton ToolTip="结束" FIcon="&#xe71e;" Foreground="Red" Margin="5,0,0,0" CornerRadius="16,0,0,16" AllowsAnimation="True"/>
                        <cc:IconFontButton ToolTip="播放" FIcon="&#xe667;" Margin="1,0,0,0" CornerRadius="0" AllowsAnimation="True" Command="{Binding ButtonClickCmd}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self},Path=ToolTip}"/>
                        <cc:IconFontButton ToolTip="暂停" FIcon="&#xe87a;" Foreground="Black" Margin="1,0,0,0" CornerRadius="0,16,16,0" AllowsAnimation="True"/>
                    </StackPanel>
                </StackPanel>
              
            </GroupBox>
            <GroupBox Header="【文字图片按钮】图左字右 图片旋转或者字体变色" Foreground="White">
                <StackPanel Orientation="Vertical">
                    <cc:IconFontButton FIcon="&#xed1f;" Foreground="#16D166" AllowsAnimation="True"  Content="有动画" />
                    <cc:IconFontButton FIcon="&#xe660;" Foreground="#FE0000" Margin="0 8 0 0" Content="无动画" />
                    <StackPanel Orientation="Horizontal" Margin="0 8 0 0">
                        <cc:IconFontButton ToolTip="咨询" FIcon="&#xe658;" Content="Question" Margin="0 0 1 0"/>
                        <cc:IconFontButton ToolTip="警告" FIcon="&#xe66b;" Foreground="Yellow" Content="Wariing" Margin="0 0 1 0"/>
                        <cc:IconFontButton ToolTip="错误" FIcon="&#xe668;" Foreground="red" AllowsAnimation="True" Content="Error" Command="{Binding ButtonClickCmd}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self},Path=ToolTip}"/>
                    </StackPanel>
                </StackPanel>
            </GroupBox>
        </StackPanel>

        
    </Grid>
</Window>


ButtonViewModel.cs 代码实现如下:

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using Wpf_Examples.Views;

namespace Wpf_Examples.ViewModels
{
    public class ButtonViewModel:ObservableObject
    {

        public RelayCommand<string> ButtonClickCmd { get; set; }

        public ButtonViewModel() {
            ButtonClickCmd = new RelayCommand<string>(BtnFun);
        }

        private void BtnFun(string obj)
        {
            switch (obj)
            {
                case "播放":
                    MessageBox.Show("播放按钮是假的,不能播放,哈哈哈哈.....","提示",MessageBoxButton.OK);
                    break;
                case "错误":
                    MessageBox.Show("系统报错了,别怕,假的啦,哈哈哈哈.....", "提示", MessageBoxButton.OK);
                    break;
            }
        }
    }
}

2、依赖注入

在 ViewModelLocator 文件中实现 按钮界面 与 ViewModel 前后端的绑定,代码如下

using Microsoft.Extensions.DependencyInjection;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;

namespace Wpf_Examples.ViewModels
{
    public class ViewModelLocator
    {
        public IServiceProvider Services { get; }
        public ViewModelLocator()
        {
            Services = ConfigureServices();
        }
        private static IServiceProvider ConfigureServices()
        {
            var services = new ServiceCollection();

            //这里实现所有viewModel的容器注入
            services.AddSingleton<MainViewModel>();
            services.AddTransient<ButtonViewModel>();
            //添加其他 viewModel

            return services.BuildServiceProvider();
        }

        public MainViewModel Main => Services.GetService<MainViewModel>();
        public ButtonViewModel FButton => Services.GetService<ButtonViewModel>();

    }
}

3 运行效果

在这里插入图片描述

4、源代码下载

CSDN源代码下载链接 自定义字体图标按钮


http://www.kler.cn/a/378242.html

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