public virtual EntityViewer GetViewer <TEntity>() where TEntity : class, IEntity, new()
{
IEntityQueryable <TEntity> context = EntityBuilder.GetContext <TEntity>();
EntityMetadata metadata = EntityAnalyzer.GetMetadata <TEntity>();
EntityViewModel <TEntity> model = new EntityViewModel <TEntity>(context.OrderBy());
model.Headers = metadata.ViewProperties;
model.UpdateItems();
EntityViewer viewer = new EntityViewer(this);
viewer.Model = model;
WpfViewButton createButton = new WpfViewButton();
createButton.Name = "Create";
createButton.Command = new EntityCommand(new EntityCommand.ExecuteDelegate(t =>
{
viewer.NavigationService.Navigate(GetEditor <TEntity>(context.Create()));
}));
model.Buttons = new EntityViewButton[] { createButton };
return(viewer);
}
public virtual async Task <EntityViewer> GetViewer()
{
EntityViewModel <TEntity> model = await GetViewModel(EntityQueryable.OrderBy(), 1, 20);
EntityViewer viewer = new EntityViewer();
viewer.Model = model;
return(viewer);
}
private static void ModelChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
EntityViewer viewer = (EntityViewer)d;
if (e.NewValue == null)
{
viewer.NavigatePageCommand = null;
viewer.ChangePageSizeCommand = null;
}
else
{
viewer.NavigatePageCommand = new NavigatePageCommand((EntityViewModel)e.NewValue);
viewer.ChangePageSizeCommand = new ChangePageSizeCommand((EntityViewModel)e.NewValue);
}
}
private static void ModelChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
EntityViewer viewer = (EntityViewer)d;
if (e.NewValue == null)
{
viewer.NavigatePageCommand = null;
viewer.ChangePageSizeCommand = null;
viewer.EntityViewCommand = null;
viewer.EntityItemCommand = null;
}
else
{
IEntityViewModel model = (IEntityViewModel)e.NewValue;
viewer.NavigatePageCommand = new ViewerNavigatePageCommand(viewer.ServiceProvider);
viewer.ChangePageSizeCommand = new ViewerChangePageSizeCommand(viewer.ServiceProvider);
viewer.EntityViewCommand = new ViewerEntityViewCommand(viewer.ServiceProvider);
viewer.EntityItemCommand = new ViewerEntityItemCommand(viewer.ServiceProvider);
viewer.Title = "列表 " + model.Metadata.Name;
}
}
public void SetTarget(IServiceProvider provider)
{
EntityViewer viewer = (EntityViewer)provider.GetService(typeof(EntityViewer));
InvokeDelegate = GetInvokeDelegate(viewer);
}
public ViewerNavigatePageCommand(IServiceProvider serviceProvider)
: base(serviceProvider)
{
_Viewer = (EntityViewer)serviceProvider.GetService(typeof(EntityViewer));
}
public ViewerChangePageSizeCommand(IServiceProvider serviceProvider)
: base(serviceProvider)
{
_Viewer = (EntityViewer)serviceProvider.GetService(typeof(EntityViewer));
}
