/// <summary>
/// Setup the datacontext for this control
/// </summary>
private void SetupDataContext()
{
_viewModel = DataContext as LiteMapViewModel;
if (_viewModel != null)
{
SetBinding(IsExpandedProperty, new Binding(LiteMapViewModel.IsExpandedPropertyName)
{
Mode = BindingMode.TwoWay
});
}
UpdateVisualState(false);
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="messenger"></param>
public LiteNewMapLayerViewModel(LiteMapViewModel mapToAddTo, Messenger messenger = null)
: base(messenger)
{
this.CurrentMap = mapToAddTo;
MapLayerDefinitionViewModel = new MapLayerDefinitionComboBoxViewModel(messenger);
MapLayerDefinitionViewModel.ServiceProviderGroupTypeProperties.AllowedGroupTypes = new ServiceProviderGroupType[] { ServiceProviderGroupType.Business, ServiceProviderGroupType.Analysis, ServiceProviderGroupType.AddIn };
MapLayerDefinitionViewModel.PropertyChanged += MapLayerDefinitionViewModel_PropertyChanged;
// If there is a single Analysis Layer, hide it (it will be the same name as the Analysis itself)
MapLayerDefinitionViewModel.DatumProperties.HideWhenSingleDatumFor = (serviceProvider, serviceProviderGroupType) => serviceProviderGroupType == ServiceProviderGroupType.Analysis;
MapLayerDefinitionViewModel.MapLayerDefinitionsFilter = this.MapLayerDefinitionFilter;
SetCurrentCultureLabels();
SetupCommands();
// Set the visibility of the AddMapLayer possibility for easy binding
this.AddMapLayerVisibility = CurrentMap.MapType == LiteMapType.User ? Visibility.Visible : Visibility.Collapsed;
}
/// <summary>
/// Converts the storage model to a MapViewModel that can be used within Lite.
/// </summary>
/// <param name="messenger">The messenger the ViewModel should be connected to</param>
/// <returns>A LiteMapViewModel</returns>
public async Task <LiteMapViewModel> ToUserMapViewModel(LiteMapsViewModel maps, Messenger messenger, EpsgCoordinateSystemReferenceCollection epsgCoordinateSystems)
{
LiteMapViewModel result = null;
var layers = new List <MapLayerDefinition>();
try
{
foreach (var layer in this.Layers)
{
var layerDefinition = await layer.ToLayerDefinition();
if (layerDefinition != null)
{
layers.Add(layerDefinition);
}
}
if (layers.Count > 0)
{
Envelope defaultEnvelope = DefaultEnvelope != null?DefaultEnvelope.ToEnvelope() : null;
var universe = Universe.Default;
var mapDefinition = new MapDefinition(ExternalName, ExternalName, universe, defaultEnvelope);
foreach (var layer in layers)
{
mapDefinition.Layers.Add(layer);
}
result = new LiteMapViewModel(messenger, mapDefinition, true, epsgCoordinateSystems, World.Default);
}
}
catch
{
// Defend against issues upon serializing
}
return(result);
}
/// <summary>
/// Constructs the storage model for the specified model
/// </summary>
/// <param name="model"></param>
public LiteUserMapStorageModel(LiteMapViewModel model)
{
ProjectName = TransactionContext.ActiveContext.ProjectName;
ExternalName = model.ExternalName;
if (model.DefaultEnvelope != null)
{
DefaultEnvelope = new XYEnvelopeDto(model.DefaultEnvelope);
}
var layers = new List <LiteUserMapLayerStorageModel>();
foreach (var layer in model.Layers)
{
if (layer.LayerDefinition != null)
{
layers.Add(new LiteUserMapLayerStorageModel(layer.LayerDefinition, layer.IsOn));
}
}
this.Layers = layers.ToArray();
}
