public PropertyFinderPersistentState LoadState()
{
PropertyFinderPersistentState state = null;
try
{
// load from isolated storage
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
using (var stream = new IsolatedStorageFileStream("data.txt",
FileMode.OpenOrCreate, FileAccess.Read, store))
using (var reader = new StreamReader(stream))
{
if (!reader.EndOfStream)
{
var serializer = new XmlSerializer(typeof(PropertyFinderPersistentState));
state = (PropertyFinderPersistentState)serializer.Deserialize(reader);
// set the persistence service for the newly loaded state
state.PersistenceService = this;
}
}
}
catch
{
}
// if we cannot retrieve the state, create a new state object
if (state == null)
{
state = new PropertyFinderPersistentState(this);
}
return state;
}
public PropertyViewModel(ViewModelBase parent, PropertyFinderPersistentState state, Property property)
{
_state = state;
_property = property;
_isFavourited = state.IsPropertyFavourited(property);
Parent = parent;
}
public void SaveState(PropertyFinderPersistentState state)
{
// persist the data using isolated storage
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
using (var stream = new IsolatedStorageFileStream("data.txt",
FileMode.Create, FileAccess.Write, store))
{
var serializer = new XmlSerializer(typeof(PropertyFinderPersistentState));
serializer.Serialize(stream, state);
}
}
public SearchResultsViewModel(INavigationService navigationService, PropertyFinderPersistentState state,
PropertyListingsResult results, SearchItemBase searchItem, PropertyDataSource dataSource)
{
_state = state;
_navigationService = navigationService;
_searchItem = searchItem;
_dataSource = dataSource;
var propertyViewModels = results.Data.Select(p => new PropertyViewModel(this, state, p)).ToList();
_properties = new ObservableCollection<PropertyViewModel>(propertyViewModels);
_totalResult = results.TotalResult;
_totalPages = results.TotalPages;
}
public SearchResultsViewModel(INavigationService navigationService, PropertyFinderPersistentState state,
PropertyListingsResult results, SearchItemBase searchItem, PropertyDataSource dataSource)
{
_state = state;
_navigationService = navigationService;
_searchItem = searchItem;
_dataSource = dataSource;
var propertyViewModels = results.Data.Select(p => new PropertyViewModel(this, state, p)).ToList();
_properties = new ObservableCollection <PropertyViewModel>(propertyViewModels);
_totalResult = results.TotalResult;
_totalPages = results.TotalPages;
UpdateLoadMoreVisible();
}
public PropertyFinderViewModel(PropertyFinderPersistentState state,
PropertyDataSource dataSource, INavigationService navigationService, IGeoLocationService geolocationService)
{
_propertyDataSource = dataSource;
_navigationService = navigationService;
_state = state;
_geolocationService = geolocationService;
_recentSearches = state.RecentSearches;
foreach (var search in _recentSearches)
{
search.Parent = this;
}
}
public PropertyFinderViewModel(PropertyFinderPersistentState state,
PropertyDataSource dataSource, INavigationService navigationService, IGeoLocationService geolocationService)
{
_propertyDataSource = dataSource;
_navigationService = navigationService;
_state = state;
_geolocationService = geolocationService;
_recentSearches = state.RecentSearches;
foreach (var search in _recentSearches)
{
search.Parent = this;
}
}
public FavouritesViewModel(INavigationService navigationService, PropertyFinderPersistentState state)
{
_state = state;
_navigationService = navigationService;
_properties = state.Favourites.Select(p => new PropertyViewModel(this, state, p)).ToList();
}
public FavouritesViewModel(INavigationService navigationService, PropertyFinderPersistentState state)
{
_state = state;
_navigationService = navigationService;
_properties = state.Favourites.Select(p => new PropertyViewModel(this, state, p)).ToList();
}