public gView.Framework.Data.ISelectionSet Select(gView.Framework.Data.IQueryFilter filter)
{
if (filter is IBufferQueryFilter)
{
ISpatialFilter sFilter = BufferQueryFilter.ConvertToSpatialFilter(filter as IBufferQueryFilter);
if (sFilter == null)
{
return(null);
}
return(Select(sFilter));
}
filter.SubFields = this.IDFieldName;
IFeatureCursor cursor = (IFeatureCursor)(new ShapeFeatureCursor(this, _file, filter, _tree));
IFeature feat;
IDSelectionSet selSet = new IDSelectionSet();
while ((feat = cursor.NextFeature) != null)
{
selSet.AddID((int)((uint)feat.OID));
}
cursor.Dispose();
return(selSet);
}
async static public Task <string> ToXml(ITableClass fc, IQueryFilter filter)
{
if (filter is IBufferQueryFilter)
{
filter = await BufferQueryFilter.ConvertToSpatialFilter((IBufferQueryFilter)filter);
}
MemoryStream ms = new MemoryStream();
StreamWriter sw = new StreamWriter(ms, Encoding.UTF8);
sw.WriteLine("<Filter>");
if (filter is IRowIDFilter)
{
if (fc.IDFieldName == String.Empty)
{
CreateRowIDFilter(fc, filter as IRowIDFilter, sw);
}
else
{
ParseInWhereClause(((IRowIDFilter)filter).RowIDWhereClause, sw);
}
}
else if (filter is IQueryFilter)
{
if (filter.WhereClause.ToLower().Contains(" in ("))
{
ParseInWhereClause(filter.WhereClause, sw);
}
else
{
ParseWhereClause(filter.WhereClause, sw);
}
}
sw.WriteLine("</Filter>");
sw.Flush();
ms.Position = 0;
byte[] bytes = new byte[ms.Length];
ms.Read(bytes, 0, (int)ms.Length);
sw.Close();
string ret = Encoding.UTF8.GetString(bytes).Trim();
// ret = @"<ogc:Filter>
// <ogc:PropertyIsLike wildCard=""%"" singleChar=""?"" escape=""ESC"">
// <ogc:PropertyName>
// item_plz
// </ogc:PropertyName>
// <ogc:Literal>
// 53111
// </ogc:Literal>
// </ogc:PropertyIsLike>
//</ogc:Filter>";
return(ret);
}
public IFeatureCursor GetFeatures(IQueryFilter filter)
{
_lastException = null;
if (filter is IBufferQueryFilter)
{
ISpatialFilter sFilter = BufferQueryFilter.ConvertToSpatialFilter(filter as IBufferQueryFilter);
if (sFilter == null)
{
return(null);
}
return(GetFeatures(sFilter));
}
return(new OgcSpatialFeatureCursor(this, filter));
}
async public Task <IFeatureCursor> GetFeatures(IQueryFilter filter)
{
_lastException = null;
if (filter is IBufferQueryFilter)
{
ISpatialFilter sFilter = await BufferQueryFilter.ConvertToSpatialFilter(filter as IBufferQueryFilter);
if (sFilter == null)
{
return(null);
}
return(await GetFeatures(sFilter));
}
return(await OgcSpatialFeatureCursor.Create(this, 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));
}
}
public IFeatureCursor GetFeatures(IQueryFilter filter)
{
if (filter == null)
{
return(null);
}
if (filter is IBufferQueryFilter)
{
ISpatialFilter sFilter = BufferQueryFilter.ConvertToSpatialFilter(filter as IBufferQueryFilter);
if (sFilter == null)
{
return(null);
}
return(GetFeatures(sFilter));
}
#region IDistrictFilter ?
if (filter is IDistinctFilter)
{
if (filter.SubFields.Contains(":"))
{
string[] fn = filter.SubFields.Split(':');
IFeatureLayerJoin join = _joins[fn[0]];
if (join != null)
{
using (join = (IFeatureLayerJoin)join.Clone())
{
join.Init(String.Empty);
filter = new DistinctFilter(fn[1]);
filter.OrderBy = fn[1];
return(new FeatureCursorWrapper(join.PerformQuery(filter)));
}
}
return(null);
}
else
{
return(_fc.GetFeatures(filter));
}
}
#endregion
#region IFunctionFilter ?
if (filter is IFunctionFilter)
{
if (filter.SubFields.Contains(":"))
{
string[] fn = filter.SubFields.Split(':');
IFeatureLayerJoin join = _joins[fn[0]];
if (join != null)
{
using (join = (IFeatureLayerJoin)join.Clone())
{
join.Init(String.Empty);
filter = new FunctionFilter(((IFunctionFilter)filter).Function, fn[1], ((IFunctionFilter)filter).Alias);
return(new FeatureCursorWrapper(join.PerformQuery(filter)));
}
}
return(null);
}
else
{
return(_fc.GetFeatures(filter));
}
}
#endregion
bool hasInnerJoin = false;
if (_joins != null)
{
foreach (IFeatureLayerJoin join in _joins)
{
if (join.JoinType == joinType.LeftInnerJoin)
{
hasInnerJoin = true;
break;
}
}
}
if ((!filter.SubFields.Contains(":") && !filter.SubFields.Contains("*") && hasInnerJoin == false && !filter.WhereClause.Contains(":")) || _joins == null || _joins.Count == 0)
{
return(_fc.GetFeatures(filter));
}
Dictionary <string, UniqueList <string> > fieldNames = new Dictionary <string, UniqueList <string> >();
fieldNames.Add(String.Empty, new UniqueList <string>());
fieldNames[String.Empty].Add(this.IDFieldName);
string[] names = filter.SubFields.Replace(" ", ",").Split(',');
foreach (string fieldname in filter.SubFields.Replace(" ", ",").Split(','))
{
if (fieldname == "*")
{
fieldNames[String.Empty] = new UniqueList <string>();
fieldNames[String.Empty].Add("*");
foreach (IFeatureLayerJoin join in _joins)
{
fieldNames[join.JoinName] = new UniqueList <string>();
fieldNames[join.JoinName].Add("*");
}
break;
}
if (fieldname.Contains(":"))
{
string[] fn = fieldname.Split(':');
IFeatureLayerJoin join = _joins[fn[0]];
if (join != null)
{
fieldNames[String.Empty].Add(join.Field);
if (!fieldNames.ContainsKey(fn[0]))
{
fieldNames.Add(fn[0], new UniqueList <string>());
}
fieldNames[fn[0]].Add(fn[1].Trim());
}
}
else
{
fieldNames[String.Empty].Add(fieldname.Trim());
}
}
foreach (IFeatureLayerJoin join in _joins)
{
if (join.JoinType == joinType.LeftInnerJoin)
{
if (!fieldNames.Keys.Contains(join.JoinName))
{
fieldNames.Add(join.JoinName, new UniqueList <string>()
{
join.JoinFields[0].name
});
fieldNames[String.Empty].Add(join.Field);
}
}
}
filter = (IQueryFilter)filter.Clone();
filter.SubFields = fieldNames[String.Empty].ToString(',');
#region CrossTable Where Clause ?
if (!String.IsNullOrEmpty(filter.WhereClause) && filter.WhereClause.Contains(":"))
{
string where = filter.WhereClause.ToLower();
bool isCrossTableQuery = false;
foreach (IField field in this.Fields.ToEnumerable())
{
if (field.name.Contains(":") && where.Contains("[" + field.name.ToLower() + "]"))
{
IFeatureLayerJoin join = _joins[field.name.Split(':')[0]];
if (join != null)
{
isCrossTableQuery = true;
if (!fieldNames.ContainsKey(join.JoinName))
{
fieldNames.Add(join.JoinName, new UniqueList <string>());
}
fieldNames[join.JoinName].Add(field.name.Split(':')[1].Trim());
filter.AddField(join.Field);
//filter.AddField(field.name);
}
}
else if (!field.name.Contains(":") && where.Contains(field.name.ToLower())) // select all fields in the where clause (because you need them in table.Select(...)
{
filter.AddField(field.name);
}
}
if (isCrossTableQuery)
{
where = filter.WhereClause;
filter.WhereClause = String.Empty;
IFeatureCursor cursor = new FeatureCursor(_fc.GetFeatures(filter), (FeatureLayerJoins)_joins.Clone(), fieldNames);
DataTable tab = gView.Framework.Data.FeatureCursor.ToDataTable(cursor);
DataRow[] rows = null;
try
{
rows = tab.Select(where, filter.OrderBy);
}
catch
{
}
return(new gView.Framework.Data.FeatureCursor.DataRowCursor(rows));
}
}
#endregion
if (fieldNames.Keys.Count <= 1)
{
fieldNames = null;
}
try
{
return(new FeatureCursor(_fc.GetFeatures(filter), (FeatureLayerJoins)_joins.Clone(), fieldNames));
}
catch
{
return(null);
}
}
async private Task Render(IFeatureLayer layer)
{
IFeatureRenderer clonedFeatureRenderer = null;
ILabelRenderer clonedLabelRenderer = null;
GraphicsEngine.Abstraction.IBitmap compositionModeCopyBitmap = null;
GraphicsEngine.Abstraction.ICanvas compositionModeCopyCanvas = null, originalCanvas = null;
try
{
_map.FireOnUserInterface(true);
if ((
layer.FeatureRenderer == null ||
layer.FeatureRenderer.HasEffect(layer, _map) == false)
&&
(
layer.LabelRenderer == null ||
_useLabelRenderer == false
))
{
return;
}
IFeatureClass fClass = layer.FeatureClass;
if (fClass == null)
{
return;
}
//IDataset dataset = (IDataset)_map[layer];
//if (dataset == null) return;
//if (!(dataset is IFeatureDataset)) return;
IGeometry filterGeom = _map.Display.DisplayTransformation.TransformedBounds(_map.Display); //_map.Display.Envelope;
if (_map.Display.GeometricTransformer != null)
{
filterGeom = MapHelper.Project(fClass, _map.Display);
}
gView.Framework.Data.SpatialFilter filter = new gView.Framework.Data.SpatialFilter();
filter.DatasetCachingContext = _datasetCachingContext;
filter.Geometry = filterGeom;
filter.AddField(fClass.ShapeFieldName);
//filter.FuzzyQuery = true;
filter.SpatialRelation = spatialRelation.SpatialRelationMapEnvelopeIntersects;
filter.MapScale = _map.Display.mapScale;
filter.CancelTracker = _cancelTracker;
if (layer.FilterQuery != null)
{
filter.WhereClause = layer.FilterQuery.WhereClause;
if (layer.FilterQuery is IBufferQueryFilter)
{
ISpatialFilter sFilter = await BufferQueryFilter.ConvertToSpatialFilter(layer.FilterQuery as IBufferQueryFilter);
if (sFilter == null)
{
return;
}
filter.SpatialRelation = spatialRelation.SpatialRelationIntersects;
filter.Geometry = sFilter.Geometry;
}
if (layer.FilterQuery is ISpatialFilter)
{
//filter.FuzzyQuery = ((ISpatialFilter)layer.FilterQuery).FuzzyQuery;
filter.SpatialRelation = ((ISpatialFilter)layer.FilterQuery).SpatialRelation;
filter.Geometry = ((ISpatialFilter)layer.FilterQuery).Geometry;
}
}
// Erst nach dem Clonen anwenden!!!
//if (layer.FeatureRenderer != null && layer.FeatureRenderer.HasEffect(layer, _map))
//{
// layer.FeatureRenderer.PrepareQueryFilter(layer, filter);
//}
//if (layer.LabelRenderer != null && _useLabelRenderer)
//{
// layer.LabelRenderer.PrepareQueryFilter(_map.Display, layer, filter);
//}
IDisplay display = _map;
double refScale = display.refScale;
#region Layer Clonen
IFeatureRenderer renderer = null;
ILabelRenderer labelRenderer = null;
lock (lockThis)
{
// Beim Clonen sprerren...
// Da sonst bei der Servicemap bei gleichzeitigen Requests
// Exception "Objekt wird bereits an anderer Stelle verwendet" auftreten kann!
if (layer.FeatureRenderer != null && layer.FeatureRenderer.HasEffect(layer, _map))
{
if (layer.RequiresFeatureRendererClone(display))
{
renderer = clonedFeatureRenderer = (IFeatureRenderer)layer.FeatureRenderer.Clone(
new CloneOptions(display,
layer.UseWithRefScale(display),
maxRefScaleFactor: layer.MaxRefScaleFactor));
}
else
{
renderer = layer.FeatureRenderer;
}
}
if (layer.LabelRenderer != null && _useLabelRenderer)
{
if (layer.RequiresLabelRendererClone(display))
{
labelRenderer = clonedLabelRenderer =
(ILabelRenderer)layer.LabelRenderer.Clone(new CloneOptions(display,
layer.UseLabelsWithRefScale(display),
maxLabelRefscaleFactor: layer.MaxLabelRefScaleFactor));
}
else // Clone with null => simple clone
{
//display.refScale = 0;
labelRenderer = clonedLabelRenderer = (ILabelRenderer)layer.LabelRenderer.Clone(null);
//display.refScale = refScale;
}
}
}
#endregion
#region Prepare filter
// Prepare erst auf geclonte renderer anwenden!! (Threadsafe)
if (renderer != null && renderer.HasEffect(layer, _map))
{
renderer.PrepareQueryFilter(layer, filter);
}
if (labelRenderer != null && _useLabelRenderer)
{
labelRenderer.PrepareQueryFilter(_map.Display, layer, filter);
}
#endregion
using (IFeatureCursor fCursor = await fClass.GetFeatures(MapHelper.MapQueryFilter(filter)))
{
_map.FireOnUserInterface(false);
if (fCursor != null)
{
IFeature feature;
if (renderer != null)
{
renderer.StartDrawing(_map);
bool useCompostionModeCopy = layer is IFeatureLayerComposition &&
((IFeatureLayerComposition)layer).CompositionMode == FeatureLayerCompositionMode.Copy;
if (useCompostionModeCopy)
{
originalCanvas = _map.Display.Canvas;
compositionModeCopyBitmap = GraphicsEngine.Current.Engine.CreateBitmap(_map.Display.Bitmap.Width, _map.Display.Bitmap.Height, GraphicsEngine.PixelFormat.Rgba32);
compositionModeCopyCanvas = compositionModeCopyBitmap.CreateCanvas();
compositionModeCopyBitmap.MakeTransparent();
compositionModeCopyBitmap.SetResolution(_map.Display.Bitmap.DpiX,
_map.Display.Bitmap.DpiY);
((Display)_map.Display).Canvas = compositionModeCopyCanvas;
}
while ((feature = await fCursor.NextFeature()) != null)
{
if (_cancelTracker != null)
{
if (!_cancelTracker.Continue)
{
break;
}
}
renderer.Draw(_map, feature);
if (labelRenderer != null)
{
labelRenderer.Draw(_map, feature);
}
_counter.Counter++;
if (_isServiceMap == false)
{
if (_counter.Counter % 100 == 0)
{
_map.FireRefreshMapView();
}
}
}
}
else if (labelRenderer != null && _cancelTracker.Continue)
{
while ((feature = await fCursor.NextFeature()) != null)
{
if (_cancelTracker != null)
{
if (!_cancelTracker.Continue)
{
break;
}
}
labelRenderer.Draw(_map, feature);
_counter.Counter++;
}
}
if (labelRenderer != null)
{
labelRenderer.Release();
}
if (renderer != null)
{
renderer.FinishDrawing(_map, _cancelTracker);
}
if (compositionModeCopyCanvas != null && compositionModeCopyBitmap != null)
{
originalCanvas.DrawBitmap(compositionModeCopyBitmap,
new GraphicsEngine.CanvasRectangle(0, 0, compositionModeCopyBitmap.Width, compositionModeCopyBitmap.Height),
new GraphicsEngine.CanvasRectangle(0, 0, compositionModeCopyBitmap.Width, compositionModeCopyBitmap.Height),
opacity: (float)Math.Min(1, (100f - ((IFeatureLayerComposition)layer).CompositionModeCopyTransparency) / 100));
}
}
else
{
if (fClass is IDebugging && ((IDebugging)fClass).LastException != null)
{
throw ((IDebugging)fClass).LastException;
}
throw new Exception("Can't query feature class. Unknown error");
}
}
}
catch (Exception ex)
{
if (_map is IServiceMap && ((IServiceMap)_map).MapServer != null)
{
await((IServiceMap)_map).MapServer.LogAsync(
((IServiceMap)_map).Name,
"RenderFeatureLayer: " + ((layer != null) ? layer.Title : String.Empty),
loggingMethod.error,
ex.Message + "\n" + ex.Source + "\n" + ex.StackTrace);
}
if (_map != null)
{
_map.AddRequestException(new Exception("RenderFeatureLayerThread: " + ((layer != null) ? layer.Title : String.Empty) + "\n" + ex.Message, ex));
}
}
finally
{
if (clonedFeatureRenderer != null)
{
clonedFeatureRenderer.Release();
}
if (clonedLabelRenderer != null)
{
clonedLabelRenderer.Release();
}
if (originalCanvas != null)
{
((Display)_map.Display).Canvas = originalCanvas;
}
if (compositionModeCopyCanvas != null)
{
compositionModeCopyCanvas.Dispose();
compositionModeCopyCanvas = null;
}
if (compositionModeCopyBitmap != null)
{
compositionModeCopyBitmap.Dispose();
compositionModeCopyBitmap = null;
}
_map.FireOnUserInterface(false);
}
}
