public CatalogsResultViewModel(VirtualObservatoryResponseBase result, VirtualObservatorySearchRequest request)
: this()
{
_request = request as CatalogSearchRequest;
CatalogSearchResult catalogsResult = result as CatalogSearchResult;
_catalogs = catalogsResult.Catalogs;
}
internal static UserControl PrepareView(VirtualObservatoryResponseBase result, VirtualObservatorySearchRequest request, SearchType searchType)
{
UserControl ret = null;
if(searchType == SearchType.ObjectSearch)
{
VirtualObservatoryObjects<CelestialObject> _objectsResult = result as VirtualObservatoryObjects<CelestialObject>;
if(_objectsResult == null)
{
ret = new ObjectsDetailsView();
ObjectsDetailsViewModel exactModel = new ObjectsDetailsViewModel(null, request);
ret.DataContext = exactModel;
return ret;
}
else if(_objectsResult.Objects != null && _objectsResult.Objects.Count > 0)
{
if(_objectsResult.Objects.Count == 1)
{
ret = new ObjectsDetailsView();
ObjectsDetailsViewModel exactModel = new ObjectsDetailsViewModel(_objectsResult.Objects.First(), request);
ret.DataContext = exactModel;
}
else
{
ret = new ObjectListView();
ObjectSearchResult res = _objectsResult as ObjectSearchResult;
ObjectListViewModel listViewModel = new ObjectListViewModel(res, request);
ret.DataContext = listViewModel;
}
}
}
else if (searchType == SearchType.CatalogSearch)
{
ret = new CatalogSearchResultsView();
CatalogsResultViewModel catalogsModel = new CatalogsResultViewModel(result, request);
ret.DataContext = catalogsModel;
}
return ret;
}
public PageableCatalogResultViewModel(VirtualObservatoryResponseBase result, VirtualObservatorySearchRequest request)
{
_request = request as CatalogSearchRequest;
CatalogSearchResult catalogsResult = result as CatalogSearchResult;
_catalogs = new PageableCollection<Catalog>(catalogsResult.Catalogs);
}
void StartSearchInternal()
{
VirtualObservatoryResponseBase result = null;
_request = _searchBarViewModel.GetRequest();
TaskScheduler scheduler = TaskScheduler.FromCurrentSynchronizationContext();
cancelTokenSource = new System.Threading.CancellationTokenSource();
System.Threading.CancellationToken cancelationToken = cancelTokenSource.Token;
Task.Factory.StartNew(() =>
{
if (cancelTokenSource.Token.IsCancellationRequested)
return;
result = _proxy.Search(_request, _searchBarViewModel.SearchType);
}).
ContinueWith(w =>
{
this.ProgressVisible = System.Windows.Visibility.Hidden;
this.SearchResultVisible = System.Windows.Visibility.Visible;
this.ResultContent = SearchHelper.PrepareView(result, _request, _searchBarViewModel.SearchType);
},
cancelationToken,
TaskContinuationOptions.None, scheduler);
}
//public bool IsSearchActive
//{
// get { return _isSearchActive; }
// set
// {
// _isSearchActive = value;
// NotifyPropertyChanged(this, new PropertyChangedEventArgs("IsSearchActive"));
// }
//}
//public void OnSearch(SearchCommandParameters parameters)
//{
// if (_isSearchActive)
// {
// if (SearchCancelled != null)
// SearchCancelled(this, EventArgs.Empty);
// _isSearchActive = false;
// }
// else
// {
// if (SearchStarted != null)
// SearchStarted(this, EventArgs.Empty);
// _isSearchActive = true;
// }
//}
public VirtualObservatorySearchRequest GetRequest()
{
_searchRequest = new ObjectSearchRequest();
//_searchRequest.SearchTerm = _searchText;
return _searchRequest;
}
public ObjectListViewModel(ObjectSearchResult searchResult, VirtualObservatorySearchRequest request)
{
_request = request as ObjectSearchRequest;
this.Objects = ModelHelpers.ObjectListFromResult(searchResult);
}
