protected override void OnNavigatedTo(NavigationEventArgs e)
{
var viewModel = this.DataContext as QueryListViewModel;
// If viewModel is not null it means that the user navigated back to this page and the viewModel is already loaded.
if (viewModel == null)
{
string selectedIndex = string.Empty;
string projectName = string.Empty;
if (this.NavigationContext.QueryString.TryGetValue("projectName", out projectName))
{
viewModel = new QueryListViewModel(string.Format(CultureInfo.InvariantCulture, "Projects('{0}')", projectName));
}
else
{
viewModel = new QueryListViewModel();
}
if (this.State.ContainsKey("CurrentPageNumber"))
{
viewModel.PageNumber = (int)this.State["CurrentPageNumber"];
}
if (this.State.ContainsKey("CurrentQuery"))
{
viewModel.Query = (string)this.State["CurrentQuery"];
}
viewModel.LoadData();
this.DataContext = viewModel;
}
}
public ActionResult List()
{
var userProjects = _authorityProvider.GetProjects(new[] { Authorities.UI.Queries.CreateQuery });
var model = new QueryListViewModel
{
IsCanCreateNewQuery = userProjects.Any(),
Table = _queryService.GetList().ToModel()
};
return(View(model));
}
public ShellViewModel(IEventAggregator _eventAggregator,
IViewModelFactory viewModelFactory, IViewModelBinderFactory viewModelBinderFactory)
{
this._eventAggregator = _eventAggregator;
_viewModelFactory = viewModelFactory;
_viewModelBinderFactory = viewModelBinderFactory;
QueryBox = viewModelFactory.CreateQueryBoxViewModel();
QueryList = viewModelFactory.CreateQueryListViewModel();
//Subscribe To Pages Moving
_eventAggregator.Subscribe(this);
}
public QueryListViewModel CreateQueryListViewModel()
{
var instance = new QueryListViewModel(_eventAggregator);
return(instance);
}
private void LoadQueryList()
{
queryListViewModel = new QueryListViewModel();
queryListView.ItemsSource = queryListViewModel;
}
