public GeographicalViewModel(IProjectService projectService, IDialogService dialogService, IImportService importService, IImageExportService imageExportService,
GeographicalVarietyViewModel.Factory varietyFactory)
: base("Geographical")
{
_projectService = projectService;
_dialogService = dialogService;
_importService = importService;
_imageExportService = imageExportService;
_varietyFactory = varietyFactory;
_newRegionCommand = new RelayCommand<IEnumerable<Tuple<double, double>>>(AddNewRegion);
_currentClusters = new List<Cluster<Variety>>();
_projectService.ProjectOpened += _projectService_ProjectOpened;
Messenger.Default.Register<ComparisonPerformedMessage>(this, msg => ClusterVarieties());
Messenger.Default.Register<DomainModelChangedMessage>(this, msg =>
{
if (msg.AffectsComparison)
ResetClusters();
if (_selectedRegion != null && (!_varieties.Contains(_selectedRegion.Variety) || !_selectedRegion.Variety.Regions.Contains(_selectedRegion)))
SelectedRegion = null;
});
Messenger.Default.Register<PerformingComparisonMessage>(this, msg => ResetClusters());
_similarityScoreThreshold = 0.7;
TaskAreas.Add(new TaskAreaCommandGroupViewModel("Similarity metric",
new TaskAreaCommandViewModel("Lexical", new RelayCommand(() => SimilarityMetric = SimilarityMetric.Lexical)),
new TaskAreaCommandViewModel("Phonetic", new RelayCommand(() => SimilarityMetric = SimilarityMetric.Phonetic))));
TaskAreas.Add(new TaskAreaItemsViewModel("Other tasks",
new TaskAreaCommandViewModel("Import regions", new RelayCommand(ImportRegions)),
new TaskAreaCommandViewModel("Export this map", new RelayCommand(Export))));
}
public GeographicalRegionViewModel(IProjectService projectService, IDialogService dialogService, GeographicalVarietyViewModel variety, GeographicRegion region)
: base(region)
{
_projectService = projectService;
_dialogService = dialogService;
_variety = variety;
_region = region;
_coordinates = new BindableList <Tuple <double, double> >(_region.Coordinates.Select(coord => Tuple.Create(coord.Latitude, coord.Longitude)));
_coordinates.CollectionChanged += CoordinatesChanged;
_editCommand = new RelayCommand(EditRegion);
_removeCommand = new RelayCommand(RemoveRegion);
}
private void RegionsChanged(GeographicalVarietyViewModel variety)
{
if (variety.ClusterIndex == -1 || (variety.ClusterIndex != -1 && variety.Regions.Count == 0))
{
if (_projectService.AreAllVarietiesCompared)
{
ClusterVarieties();
}
else
{
ResetClusters();
}
}
}
private void RegionsChanged(GeographicalVarietyViewModel variety)
{
if (variety.ClusterIndex == -1 || (variety.ClusterIndex != -1 && variety.Regions.Count == 0))
{
if (_projectService.AreAllVarietiesCompared)
ClusterVarieties();
else
ResetClusters();
}
}
private void SetVarietyChecked(GeographicalVarietyViewModel variety, bool check)
{
var varietyItem = (TreeViewItem) RegionsTreeView.ItemContainerGenerator.ContainerFromItem(variety);
CheckBox checkBox = varietyItem.FindVisualDescendants<CheckBox>().First();
checkBox.IsChecked = check;
}
private void RegionsChanged(GeographicalVarietyViewModel variety, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
AddRegions(e.NewItems.Cast<GeographicalRegionViewModel>());
break;
case NotifyCollectionChangedAction.Remove:
RemoveRegions(e.OldItems.Cast<GeographicalRegionViewModel>());
break;
case NotifyCollectionChangedAction.Replace:
RemoveRegions(e.OldItems.Cast<GeographicalRegionViewModel>());
AddRegions(e.NewItems.Cast<GeographicalRegionViewModel>());
break;
case NotifyCollectionChangedAction.Reset:
foreach (RegionMarker rm in MapControl.Markers.OfType<RegionMarker>().Where(rm => rm.Region.Variety == variety).ToArray())
rm.Dispose();
AddRegions(variety.Regions);
break;
}
if (variety.Regions.Count > 0)
{
int oldCount = variety.Regions.Count - (e.NewItems != null ? e.NewItems.Count : 0) + (e.OldItems != null ? e.OldItems.Count : 0);
if (oldCount == 0)
SetVarietyChecked(variety, true);
}
else
{
SetVarietyChecked(variety, false);
}
}
