public PostGISFeatureClassExplorerObject(PostGISExplorerObject parent, IDatasetElement element)
: base(parent, typeof(IFeatureClass), 1)
{
if (element == null || !(element.Class is IFeatureClass))
{
return;
}
_parent = parent;
_fcname = element.Title;
if (element.Class is IFeatureClass)
{
_fc = (IFeatureClass)element.Class;
switch (_fc.GeometryType)
{
case geometryType.Envelope:
case geometryType.Polygon:
_icon = new PostGISPolygonIcon();
_type = "Polygon Featureclass";
break;
case geometryType.Multipoint:
case geometryType.Point:
_icon = new PostGISPointIcon();
_type = "Point Featureclass";
break;
case geometryType.Polyline:
_icon = new PostGISLineIcon();
_type = "Polyline Featureclass";
break;
}
}
}
async public Task <IExplorerObject> CreateInstanceByFullName(string FullName, ISerializableExplorerObjectCache cache)
{
if (cache.Contains(FullName))
{
return(cache[FullName]);
}
FullName = FullName.Replace("/", @"\");
int lastIndex = FullName.LastIndexOf(@"\");
if (lastIndex == -1)
{
return(null);
}
string dsName = FullName.Substring(0, lastIndex);
string fcName = FullName.Substring(lastIndex + 1, FullName.Length - lastIndex - 1);
PostGISExplorerObject dsObject = new PostGISExplorerObject();
dsObject = await dsObject.CreateInstanceByFullName(dsName, cache) as PostGISExplorerObject;
var childObjects = await dsObject?.ChildObjects();
if (childObjects == null)
{
return(null);
}
foreach (IExplorerObject exObject in childObjects)
{
if (exObject.Name == fcName)
{
cache.Append(exObject);
return(exObject);
}
}
return(null);
}