« Prism navigation with tabcontrol » : différence entre les versions
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| Ligne 84 : | Ligne 84 : | ||
<filebox fn='ViewAViewModel.cs'> | <filebox fn='ViewAViewModel.cs'> | ||
public class ViewAViewModel : | public class ViewAViewModel : BindableBase, INavigationAware | ||
{ | { | ||
private string title; | |||
private string | |||
public string Title | public string Title | ||
{ | { | ||
get => | get => this.title; | ||
set => SetProperty(ref | set => SetProperty(ref this.title, value); | ||
} | } | ||
public | public ViewAViewModel() | ||
{ | { | ||
Title = "View A"; | |||
} | } | ||
public bool IsNavigationTarget(NavigationContext navigationContext) => true; | |||
public void OnNavigatedFrom(NavigationContext navigationContext) | public void OnNavigatedFrom(NavigationContext navigationContext) | ||
{ | { } | ||
public void OnNavigatedTo(NavigationContext navigationContext) | public void OnNavigatedTo(NavigationContext navigationContext) | ||
{ | { } | ||
} | } | ||
</filebox> | </filebox> | ||
Version du 12 octobre 2021 à 21:10
TabControl
| MainWindow.xaml |
<Window x:Class="NavigationWPF.Views.MainWindow"
xmlns:prism="http://prismlibrary.com/"
prism:ViewModelLocator.AutoWireViewModel="True"
Title="MainWindow" Height="350" Width="525">
<Window.Resources>
<Style TargetType="TabItem">
<Setter Property="Header"
Value="{Binding DataContext.Title}" />
</Style>
</Window.Resources>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<StackPanel Orientation="Horizontal">
<Button Command="{Binding NavigateCommand}"
CommandParameter="ViewA">
Navigate A
</Button>
<Button Command="{Binding NavigateCommand}"
CommandParameter="ViewB">
Navigate B
</Button>
</StackPanel>
<TabControl Grid.Row="1"
prism:RegionManager.RegionName="TabRegion" />
</Grid>
</Window>
|
| MainWindowViewModel.cs |
public class MainWindowViewModel : BindableBase
{
private readonly IRegionManager _regionManager;
public DelegateCommand<string> NavigateCommand { get; set; }
public MainWindowViewModel(IRegionManager regionManager)
{
_regionManager = regionManager;
NavigateCommand = new DelegateCommand<string>(Navigate);
}
// ViewA and ViewB are command parameters passed as navigationPath
void Navigate(string navigationPath)
{
// open/reuse a tab and inject the view in it
_regionManager.RequestNavigate("TabRegion", navigationPath);
}
}
|
| App.xaml.cs |
protected override void RegisterTypes(IContainerRegistry containerRegistry)
{
// register the views
containerRegistry.RegisterForNavigation<ViewA>();
containerRegistry.RegisterForNavigation<ViewB>();
}
|
View to inject
| ViewA.xaml |
<UserControl x:Class="NavigationWPF.Views.ViewA"
xmlns:mvvm="http://prismlibrary.com/"
mvvm:ViewModelLocator.AutoWireViewModel="True">
<Grid>
<TextBlock Text="View A"
HorizontalAlignment="Center"
VerticalAlignment="Center"
FontSize="48" />
</Grid>
</UserControl>
|
| ViewAViewModel.cs |
public class ViewAViewModel : BindableBase, INavigationAware
{
private string title;
public string Title
{
get => this.title;
set => SetProperty(ref this.title, value);
}
public ViewAViewModel()
{
Title = "View A";
}
public bool IsNavigationTarget(NavigationContext navigationContext) => true;
public void OnNavigatedFrom(NavigationContext navigationContext)
{ }
public void OnNavigatedTo(NavigationContext navigationContext)
{ }
}
|
