internal void DeleteLayer(RedlineLayer layer)
{
var regId = GetRegistryFeatureSource();
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
MgDeleteFeatures delete = new MgDeleteFeatures("Default:MarkupRegistry", "ResourceId = '" + layer.FeatureSource + "'");
commands.Add(delete);
MgPropertyCollection results = _featSvc.UpdateFeatures(regId, commands, false);
MgInt32Property deleteResult = results.GetItem(0) as MgInt32Property;
if (deleteResult != null && deleteResult.GetValue() > 0)
{
var ldfId = new MgResourceIdentifier(layer.LayerDefinition);
var fsId = new MgResourceIdentifier(layer.FeatureSource);
if (_resSvc.ResourceExists(ldfId))
{
_resSvc.DeleteResource(ldfId);
}
if (_resSvc.ResourceExists(fsId))
{
_resSvc.DeleteResource(fsId);
}
}
}
internal void DeleteRedlines(int[] ids)
{
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerBase redlineLayer = layers.GetItem(_layer.SystemName);
//HACK: Workaround FeatId leaky abstraction in SHP provider
MgClassDefinition cls = redlineLayer.GetClassDefinition();
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
MgPropertyDefinition idProp = idProps.GetItem(0);
redlineLayer.ForceRefresh();
//This lib doesn't reference mg-desktop so the convenience APIs aren't available to us
//Gotta go the old verbose route
List <string> filters = new List <string>();
foreach (int id in ids)
{
filters.Add(idProp.Name + " = " + id);
}
string deleteFilter = string.Join(" OR ", filters.ToArray());
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
MgDeleteFeatures delete = new MgDeleteFeatures(redlineLayer.FeatureClassName, deleteFilter);
commands.Add(delete);
MgPropertyCollection result = redlineLayer.UpdateFeatures(commands);
MgInt32Property deleteResult = result.GetItem(0) as MgInt32Property;
if (deleteResult != null && deleteResult.GetValue() > 0)
{
_viewer.RefreshMap();
}
}
