public void PrepareQueryFilter(gView.Framework.Data.IFeatureLayer layer, gView.Framework.Data.IQueryFilter filter)
{
List <string> propertyNames = new List <string>();
foreach (Rule rule in _rules)
{
if (rule == null || rule.Filter == null)
{
continue;
}
foreach (string pname in rule.Filter.PropertyNames)
{
if (propertyNames.Contains(pname))
{
continue;
}
propertyNames.Add(pname);
}
}
foreach (string propertyName in propertyNames)
{
filter.AddField(propertyName);
}
if (layer != null && layer.FeatureClass != null)
{
_featureSRef = layer.FeatureClass.SpatialReference;
}
else
{
_featureSRef = null;
}
}
public void PrepareQueryFilter(gView.Framework.Data.IFeatureLayer layer, gView.Framework.Data.IQueryFilter filter)
{
if (layer.FeatureClass == null)
{
return;
}
if (layer.FeatureClass.FindField(_valueField) != null)
{
filter.AddField(_valueField);
}
if (layer.FeatureClass.FindField(_symbolRotation.RotationFieldName) != null)
{
filter.AddField(_symbolRotation.RotationFieldName);
}
}
public void PrepareQueryFilter(gView.Framework.Data.IFeatureLayer layer, gView.Framework.Data.IQueryFilter filter)
{
for (int i = 0; i < _renderers.Count; i++)
{
IFeatureRenderer renderer = _renderers[i];
if (renderer == null)
{
continue;
}
filter.AddField("*");
renderer.PrepareQueryFilter(layer, filter);
}
}
async public Task <IFeatureCursor> GetFeatures(gView.Framework.Data.IQueryFilter filter /*, gView.Framework.Data.getFeatureQueryType type*/)
{
if (filter != null)
{
bool idField = false;
if (filter.SubFields != "*")
{
foreach (string field in filter.SubFields.Replace(",", " ").Split(' '))
{
if (field == this.IDFieldName)
{
idField = true;
break;
}
}
}
if (!idField)
{
filter.AddField(this.IDFieldName);
}
}
if (filter is IBufferQueryFilter)
{
ISpatialFilter sFilter = await BufferQueryFilter.ConvertToSpatialFilter(filter as IBufferQueryFilter);
if (sFilter == null)
{
return(null);
}
return(await GetFeatures(sFilter));
}
if (filter is IRowIDFilter)
{
return(new ShapeFeatureCursor(this, _file, filter, ((IRowIDFilter)filter).IDs));
}
else
{
return(new ShapeFeatureCursor(this, _file, filter, _tree));
}
}
