Prism（二）视图

源码地址 - WineMonk/PrismStudy: Prism框架学习 (github.com)

视图发现

MainWindow.xaml

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<Window x:Class="ViewDiscovery.Views.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:prism="http://prismlibrary.com/"
        Title="Shell" Height="350" Width="525">
    <Grid>
        <ContentControl prism:RegionManager.RegionName="ContentRegion" />
    </Grid>
</Window>

MainWindow.xaml.cs

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public partial class MainWindow : Window
{
    public MainWindow(IRegionManager regionManager)
    {
        InitializeComponent();
        //view discovery
        //ViewA - 视图（Usercontrol）
        regionManager.RegisterViewWithRegion("ContentRegion", typeof(ViewA));
    }
}

视图注入

MainWindow.xaml

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<Window
    x:Class="ViewInjection.Views.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:prism="http://prismlibrary.com/"
    Title="Shell"
    Width="525"
    Height="350">
    <DockPanel LastChildFill="True">
        <Button Click="Button_Click" DockPanel.Dock="Top">Add View</Button>
        <ContentControl prism:RegionManager.RegionName="ContentRegion" />
    </DockPanel>
</Window>

MainWindow.xaml.cs

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public partial class MainWindow : Window
{
    IContainerExtension _container;
    IRegionManager _regionManager;

    public MainWindow(IContainerExtension container, IRegionManager regionManager)
    {
        InitializeComponent();
        _container = container;
        _regionManager = regionManager;
    }

    private void Button_Click(object sender, RoutedEventArgs e)
    {
        //ViewA - 视图（Usercontrol）
        var view = _container.Resolve<ViewA>();
        IRegion region = _regionManager.Regions["ContentRegion"];
        region.Add(view);
    }
}

视图激活与取消激活

MainWindow.xaml

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<Window x:Class="ActivationDeactivation.Views.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:prism="http://prismlibrary.com/"
        Title="Shell" Height="350" Width="525">
    <DockPanel LastChildFill="True">
        <StackPanel>
            <Button Content="Activate ViewA" Click="Button_Click"/>
            <Button Content="Deactivate ViewA" Click="Button_Click_1"/>
            <Button Content="Activate ViewB" Click="Button_Click_2"/>
            <Button Content="Deactivate ViewB" Click="Button_Click_3"/>
        </StackPanel>
        <ContentControl prism:RegionManager.RegionName="ContentRegion" HorizontalAlignment="Center" VerticalAlignment="Center" />
    </DockPanel>
</Window>

MainWindow.xaml.cs

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public partial class MainWindow : Window
{
    IContainerExtension _container;
    IRegionManager _regionManager;
    IRegion _region;

    ViewA _viewA;
    ViewB _viewB;

    public MainWindow(IContainerExtension container, IRegionManager regionManager)
    {
        InitializeComponent();
        _container = container;
        _regionManager = regionManager;

        this.Loaded += MainWindow_Loaded;
    }

    private void MainWindow_Loaded(object sender, RoutedEventArgs e)
    {
        _viewA = _container.Resolve<ViewA>();
        _viewB = _container.Resolve<ViewB>();

        _region = _regionManager.Regions["ContentRegion"];

        _region.Add(_viewA);
        _region.Add(_viewB);
    }

    private void Button_Click(object sender, RoutedEventArgs e)
    {
        //activate view a
        _region.Activate(_viewA);
    }

    private void Button_Click_1(object sender, RoutedEventArgs e)
    {
        //deactivate view a
        _region.Deactivate(_viewA);
    }

    private void Button_Click_2(object sender, RoutedEventArgs e)
    {
        //activate view b
        _region.Activate(_viewB);
    }

    private void Button_Click_3(object sender, RoutedEventArgs e)
    {
        //deactivate view b
        _region.Deactivate(_viewB);
    }
}