Salome HOME
Issue #1560: Updated validator for extrusion direction. Not it is not allow to select...
[modules/shaper.git] / src / FeaturesPlugin / FeaturesPlugin_Validators.cpp
index 73c132e0d6a0aae3232f43734bbc164682b45451..db8348cd2a1b8fd0af2099e061313b34b8cd0369 100644 (file)
@@ -6,12 +6,15 @@
 
 #include "FeaturesPlugin_Validators.h"
 
+#include "FeaturesPlugin_Union.h"
+
 #include <ModelAPI_Attribute.h>
 #include <ModelAPI_AttributeInteger.h>
 #include <ModelAPI_AttributeSelectionList.h>
 #include <ModelAPI_AttributeString.h>
 #include <ModelAPI_AttributeReference.h>
 #include <ModelAPI_Feature.h>
+#include <ModelAPI_ResultCompSolid.h>
 #include <ModelAPI_ResultConstruction.h>
 
 #include <GeomValidators_BodyShapes.h>
 #include <GeomValidators_ShapeType.h>
 
 #include <GeomAPI_DataMapOfShapeShape.h>
+#include <GeomAPI_Lin.h>
 #include <GeomAPI_PlanarEdges.h>
 #include <GeomAPI_ShapeExplorer.h>
+#include <GeomAPI_ShapeIterator.h>
+
+#include <GeomAlgoAPI_CompoundBuilder.h>
+#include <GeomAlgoAPI_ShapeBuilder.h>
+#include <GeomAlgoAPI_ShapeTools.h>
 #include <GeomAlgoAPI_WireBuilder.h>
 
+#define _USE_MATH_DEFINES
+#include <math.h>
+
+//==================================================================================================
+bool FeaturesPlugin_ValidatorPipePath::isValid(const AttributePtr& theAttribute,
+                                               const std::list<std::string>& theArguments,
+                                               std::string& theError) const
+{
+  AttributeSelectionPtr aPathAttrSelection = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
+  if(!aPathAttrSelection.get()) {
+    theError = "Error: This validator can only work with path selector in \"Pipe\" feature.";
+    return false;
+  }
+
+  GeomShapePtr aPathShape = aPathAttrSelection->value();
+  ResultPtr aContext = aPathAttrSelection->context();
+  if(!aContext.get()) {
+    theError = "Error: Empty context.";
+    return false;
+  }
+  GeomShapePtr aContextShape = aContext->shape();
+  if(aPathShape.get() && aPathShape->shapeType() == GeomAPI_Shape::WIRE && !aPathShape->isEqual(aContextShape)) {
+    theError = "Error: Local selection of wires not allowed.";
+    return false;
+  }
+
+  return true;
+}
+
 //==================================================================================================
 bool FeaturesPlugin_ValidatorPipeLocations::isValid(const std::shared_ptr<ModelAPI_Feature>& theFeature,
                                                     const std::list<std::string>& theArguments,
@@ -33,13 +71,13 @@ bool FeaturesPlugin_ValidatorPipeLocations::isValid(const std::shared_ptr<ModelA
   static const std::string aLocationsID = "locations_objects";
 
   if(theFeature->getKind() != "Pipe") {
-    theError = "Feature \"" + theFeature->getKind() + "\" does not supported by this validator.";
+    theError = "Error: Feature \"" + theFeature->getKind() + "\" does not supported by this validator.";
     return false;
   }
 
   AttributeStringPtr aCreationMethodAttr = theFeature->string(aCreationMethodID);
   if(!aCreationMethodAttr.get()) {
-    theError = "Could not get \"" + aCreationMethodID + "\" attribute.";
+    theError = "Error: Could not get \"" + aCreationMethodID + "\" attribute.";
     return false;
   }
 
@@ -49,18 +87,18 @@ bool FeaturesPlugin_ValidatorPipeLocations::isValid(const std::shared_ptr<ModelA
 
   AttributeSelectionListPtr aBaseObjectsSelectionList = theFeature->selectionList(aBaseObjectsID);
   if(!aBaseObjectsSelectionList.get()) {
-    theError = "Could not get \"" + aBaseObjectsID + "\" attribute.";
+    theError = "Error: Could not get \"" + aBaseObjectsID + "\" attribute.";
     return false;
   }
 
   AttributeSelectionListPtr aLocationsSelectionList = theFeature->selectionList(aLocationsID);
   if(!aLocationsSelectionList.get()) {
-    theError = "Could not get \"" + aBaseObjectsID + "\" attribute.";
+    theError = "Error: Could not get \"" + aBaseObjectsID + "\" attribute.";
     return false;
   }
 
   if(aLocationsSelectionList->size() > 0 && aLocationsSelectionList->size() != aBaseObjectsSelectionList->size()) {
-    theError = "Number of locations should be the same as base objects.";
+    theError = "Error: Number of locations should be the same as base objects.";
     return false;
   }
 
@@ -79,14 +117,14 @@ bool FeaturesPlugin_ValidatorBaseForGeneration::isValid(const AttributePtr& theA
                                                         std::string& theError) const
 {
   if(theArguments.empty()) {
-    theError = "Validator parameters is empty.";
+    theError = "Error: Validator parameters is empty.";
     return false;
   }
 
   // Checking attribute.
   if(!isValidAttribute(theAttribute, theArguments, theError)) {
     if(theError.empty()) {
-      theError = "Attribute contains unacceptable shape.";
+      theError = "Error: Attribute contains unacceptable shape.";
     }
     return false;
   }
@@ -99,43 +137,65 @@ bool FeaturesPlugin_ValidatorBaseForGeneration::isValid(const AttributePtr& theA
     AttributeSelectionListPtr aListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
     for(int anIndex = 0; anIndex < aListAttr->size(); ++anIndex) {
       AttributeSelectionPtr aSelectionAttr = aListAttr->value(anIndex);
-      ResultConstructionPtr aContext = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aSelectionAttr->context());
+      ResultPtr aContext = aSelectionAttr->context();
       if(!aContext.get()) {
-        // It is not a result construction, continue.
+        theError = "Error: Empty context.";
+        return false;
+      }
+
+      ResultConstructionPtr aResultConstruction = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
+      if(!aResultConstruction.get()) {
+        // It is not a result construction. If shape is compound check that it contains only faces and edges.
+        GeomShapePtr aShape = aSelectionAttr->value();
+        if(!aShape.get()) {
+          aShape = aContext->shape();
+        }
+
+        if(aShape->shapeType() == GeomAPI_Shape::COMPOUND) {
+          for(GeomAPI_ShapeIterator anIt(aShape); anIt.more(); anIt.next()) {
+            GeomShapePtr aSubShape = anIt.current();
+            if(aSubShape->shapeType() != GeomAPI_Shape::EDGE
+                && aSubShape->shapeType() != GeomAPI_Shape::FACE) {
+              theError = "Error: Compound should contain only faces and edges.";
+              return false;
+            }
+          }
+        }
+
         continue;
       }
 
       GeomShapePtr aShape = aSelectionAttr->value();
-      GeomShapePtr aContextShape = aContext->shape();
+      GeomShapePtr aContextShape = aResultConstruction->shape();
       if(!aShape.get()) {
         // Whole sketch selected.
-        if(aSelectedSketchesFromObjects.find(aContext) != aSelectedSketchesFromObjects.cend()) {
-          theError = "Object from this sketch is already selected. Sketch is not allowed for selection.";
+        if(aSelectedSketchesFromObjects.find(aResultConstruction) != aSelectedSketchesFromObjects.cend()) {
+          theError = "Error: Object from this sketch is already selected. Sketch is not allowed for selection.";
           return false;
         }
 
-        aSelectedSketches.insert(aContext);
+        aSelectedSketches.insert(aResultConstruction);
       } else {
         // Object from sketch selected.
-        if(aSelectedSketches.find(aContext) != aSelectedSketches.cend()) {
-          theError = "Whole sketch with this object is already selected. Don't allow to select this object.";
+        if(aSelectedSketches.find(aResultConstruction) != aSelectedSketches.cend()) {
+          theError = "Error: Whole sketch with this object is already selected. Don't allow to select this object.";
           return false;
         }
 
         for(GeomAPI_ShapeExplorer anExp(aShape, GeomAPI_Shape::WIRE); anExp.more(); anExp.next()) {
           GeomShapePtr aWire = anExp.current();
           if(aWire->orientation() != GeomAPI_Shape::FORWARD) {
-            theError = "Wire with wrong orientation selected.";
+            theError = "Error: Wire with wrong orientation selected.";
             return false;
           }
 
           if(aSelectedWiresFromObjects.isBound(aWire)) {
-            theError = "Objects with such wire already selected. Don't allow to select this object.";
+            theError = "Error: Objects with such wire already selected. Don't allow to select this object.";
             return false;
           }
 
           aSelectedWiresFromObjects.bind(aWire, aWire);
-          aSelectedSketchesFromObjects.insert(aContext);
+          aSelectedSketchesFromObjects.insert(aResultConstruction);
         }
       }
     }
@@ -150,7 +210,7 @@ bool FeaturesPlugin_ValidatorBaseForGeneration::isValidAttribute(const Attribute
                                                                  std::string& theError) const
 {
   if(!theAttribute.get()) {
-    theError = "Empty attribute.";
+    theError = "Error: Empty attribute.";
     return false;
   }
 
@@ -168,7 +228,7 @@ bool FeaturesPlugin_ValidatorBaseForGeneration::isValidAttribute(const Attribute
     AttributeSelectionPtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
     ResultPtr aContext = anAttr->context();
     if(!aContext.get()) {
-      theError = "Attribute have empty context.";
+      theError = "Error: Attribute have empty context.";
       return false;
     }
 
@@ -178,7 +238,7 @@ bool FeaturesPlugin_ValidatorBaseForGeneration::isValidAttribute(const Attribute
       aShape = aContextShape;
     }
     if(!aShape.get()) {
-      theError = "Empty shape selected";
+      theError = "Error: Empty shape selected";
       return false;
     }
 
@@ -186,7 +246,7 @@ bool FeaturesPlugin_ValidatorBaseForGeneration::isValidAttribute(const Attribute
     if(aConstruction.get()) {
       // Construciotn selected. Check that is is not infinite.
       if(aConstruction->isInfinite()) {
-        theError = "Infinite constructions is not allowed as base.";
+        theError = "Error: Infinite constructions is not allowed as base.";
         return false;
       }
 
@@ -207,14 +267,14 @@ bool FeaturesPlugin_ValidatorBaseForGeneration::isValidAttribute(const Attribute
 
     if(!aShape->isEqual(aContextShape)) {
       // Local selection on body does not allowed.
-      theError = "Selected shape is in the local selection. Only global selection is allowed.";
+      theError = "Error: Selected shape is in the local selection. Only global selection is allowed.";
       return false;
     }
 
     // Check that object is a shape with allowed type.
     GeomValidators_ShapeType aShapeTypeValidator;
     if(!aShapeTypeValidator.isValid(anAttr, theArguments, theError)) {
-      theError = "Selected shape has unacceptable type. Acceptable types are: faces or wires on sketch, "
+      theError = "Error: Selected shape has unacceptable type. Acceptable types are: faces or wires on sketch, "
                  "whole sketch(if it has at least one face), and whole objects with shape types: ";
       std::list<std::string>::const_iterator anIt = theArguments.cbegin();
       theError += *anIt;
@@ -225,7 +285,7 @@ bool FeaturesPlugin_ValidatorBaseForGeneration::isValidAttribute(const Attribute
     }
 
   } else {
-    theError = "Following attribute does not supported: " + anAttributeType + ".";
+    theError = "Error: Attribute \"" + anAttributeType + "\" does not supported by this validator.";
     return false;
   }
 
@@ -238,11 +298,11 @@ bool FeaturesPlugin_ValidatorCompositeLauncher::isValid(const AttributePtr& theA
                                                         std::string& theError) const
 {
   if (theAttribute->attributeType() != ModelAPI_AttributeReference::typeId()) {
-    theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
+    theError = "Error: The attribute with the " + theAttribute->attributeType() + " type is not processed";
     return false;
   }
   if (theArguments.size() != 2) {
-    theError = "Wrong parameters in XML definition for " + theAttribute->attributeType() + " type";
+    theError = "Error: Wrong parameters in XML definition for " + theAttribute->attributeType() + " type";
     return false;
   }
   // first argument is for the base attribute, second - for skipping feature kind
@@ -278,12 +338,12 @@ bool FeaturesPlugin_ValidatorCompositeLauncher::isValid(const AttributePtr& theA
 }
 
 //==================================================================================================
-bool FeaturesPlugin_ValidatorCanBeEmpty::isValid(const std::shared_ptr<ModelAPI_Feature>& theFeature,
+bool FeaturesPlugin_ValidatorExtrusionDir::isValid(const std::shared_ptr<ModelAPI_Feature>& theFeature,
                                                  const std::list<std::string>& theArguments,
                                                  std::string& theError) const
 {
   if(theArguments.size() != 2) {
-    theError = "Validator should be used with 2 parameters for extrusion.";
+    theError = "Error: Validator should be used with 2 parameters for extrusion.";
     return false;
   }
 
@@ -292,45 +352,81 @@ bool FeaturesPlugin_ValidatorCanBeEmpty::isValid(const std::shared_ptr<ModelAPI_
   AttributePtr aCheckAttribute = theFeature->attribute(*anArgsIt);
   ++anArgsIt;
 
-  if(isShapesCanBeEmpty(aCheckAttribute, theError)) {
-    return true;
-  }
-
+  GeomShapePtr aDirShape;
   AttributeSelectionPtr aSelAttr = theFeature->selection(*anArgsIt);
-  if(!aSelAttr.get()) {
-    theError = "Could not get selection attribute \"" + *anArgsIt + "\".";
-    return false;
+  if(aSelAttr.get()) {
+    aDirShape = aSelAttr->value();
+    if(!aDirShape.get()) {
+      ResultPtr aContext = aSelAttr->context();
+      if(aContext.get()) {
+        aDirShape = aContext->shape();
+      }
+    }
   }
 
-  GeomShapePtr aShape = aSelAttr->value();
-  if(!aShape.get()) {
-    ResultPtr aContext = aSelAttr->context();
-    if(!aContext.get()) {
-      theError = "Base objects list contains vertex or edge, so attribute \"" + *anArgsIt
+  if(!aDirShape.get()) {
+    // Check that dir can be empty.
+    if(!isShapesCanBeEmpty(aCheckAttribute, theError)) {
+      theError = "Error: Base objects list contains vertex or edge, so attribute \"" + *anArgsIt
                + "\" can not be used with default value. Select direction for extrusion.";
       return false;
+    } else {
+      return true;
     }
-
-    aShape = aContext->shape();
   }
 
-  if(!aShape.get()) {
-    theError = "Base objects list contains vertex or edge, so attribute \"" + *anArgsIt
-              + "\" can not be used with default value. Select direction for extrusion.";
-    return false;
+  std::shared_ptr<GeomAPI_Edge> aDirEdge(new GeomAPI_Edge(aDirShape));
+
+  // If faces selected check that direction not parallel with them.
+  AttributeSelectionListPtr aListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(aCheckAttribute);
+  for(int anIndex = 0; anIndex < aListAttr->size(); ++anIndex) {
+    AttributeSelectionPtr anAttr = aListAttr->value(anIndex);
+    GeomShapePtr aShapeInList = anAttr->value();
+    if(!aShapeInList.get()) {
+      aShapeInList = anAttr->context()->shape();
+    }
+    bool isParallel = true;
+    if(aShapeInList->shapeType() == GeomAPI_Shape::FACE || aShapeInList->shapeType() == GeomAPI_Shape::SHELL) {
+      for(GeomAPI_ShapeExplorer anExp(aShapeInList, GeomAPI_Shape::FACE); anExp.more(); anExp.next()) {
+        std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(anExp.current()));
+        isParallel = GeomAlgoAPI_ShapeTools::isParallel(aDirEdge, aFace);
+        if(isParallel) {
+          break;
+        }
+      }
+    } else if(aShapeInList->shapeType() == GeomAPI_Shape::COMPOUND) {
+      std::shared_ptr<GeomAPI_PlanarEdges> aPlanarEdges = std::dynamic_pointer_cast<GeomAPI_PlanarEdges>(aShapeInList);
+      if(aPlanarEdges.get()) {
+        std::shared_ptr<GeomAPI_Dir> aSketchDir = aPlanarEdges->norm();
+        if(aDirEdge->isLine()) {
+          std::shared_ptr<GeomAPI_Dir> aDir = aDirEdge->line()->direction();
+          isParallel = abs(aSketchDir->angle(aDir) - M_PI / 2.0) < 10e-7;
+        } else {
+          isParallel = false;
+        }
+      } else {
+        isParallel = false;
+      }
+    } else {
+      isParallel = false;
+    }
+    if(isParallel) {
+      theError = "Error: Direction is parallel to one of the selected face or face on selected shell.";
+      return false;
+    }
   }
 
   return true;
 }
 
 //==================================================================================================
-bool FeaturesPlugin_ValidatorCanBeEmpty::isNotObligatory(std::string theFeature, std::string theAttribute)
+bool FeaturesPlugin_ValidatorExtrusionDir::isNotObligatory(std::string theFeature, std::string theAttribute)
 {
   return false;
 }
 
 //==================================================================================================
-bool FeaturesPlugin_ValidatorCanBeEmpty::isShapesCanBeEmpty(const AttributePtr& theAttribute,
+bool FeaturesPlugin_ValidatorExtrusionDir::isShapesCanBeEmpty(const AttributePtr& theAttribute,
                                                             std::string& theError) const
 {
   if(!theAttribute.get()) {
@@ -382,7 +478,7 @@ bool FeaturesPlugin_ValidatorBooleanSelection::isValid(const AttributePtr& theAt
 {
   AttributeSelectionListPtr anAttrSelectionList = std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
   if(!anAttrSelectionList.get()) {
-    theError = "Error: this validator can only work with selection list attributes in Boolean feature.";
+    theError = "Error: This validator can only work with selection list attributes in \"Boolean\" feature.";
     return false;
   }
   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
@@ -391,12 +487,12 @@ bool FeaturesPlugin_ValidatorBooleanSelection::isValid(const AttributePtr& theAt
   for(int anIndex = 0; anIndex < anAttrSelectionList->size(); ++anIndex) {
     AttributeSelectionPtr anAttrSelection = anAttrSelectionList->value(anIndex);
     if(!anAttrSelection.get()) {
-      theError = "Error: empty attribute selection.";
+      theError = "Error: Empty attribute selection.";
       return false;
     }
     ResultPtr aContext = anAttrSelection->context();
     if(!aContext.get()) {
-      theError = "Error: empty selection context.";
+      theError = "Error: Empty selection context.";
       return false;
     }
     ResultConstructionPtr aResultConstruction =
@@ -410,7 +506,7 @@ bool FeaturesPlugin_ValidatorBooleanSelection::isValid(const AttributePtr& theAt
       aShape = aContext->shape();
     }
     if(!aShape.get()) {
-      theError = "Error: empty shape.";
+      theError = "Error: Empty shape.";
       return false;
     }
     int aShapeType = aShape->shapeType();
@@ -421,14 +517,14 @@ bool FeaturesPlugin_ValidatorBooleanSelection::isValid(const AttributePtr& theAt
          aShapeType != GeomAPI_Shape::SOLID &&
          aShapeType != GeomAPI_Shape::COMPSOLID &&
          aShapeType != GeomAPI_Shape::COMPOUND) {
-        theError = "Error: selected shape has the wrong type.";
+        theError = "Error: Selected shape has the wrong type.";
         return false;
       }
     } else {
       if(aShapeType != GeomAPI_Shape::SOLID &&
          aShapeType != GeomAPI_Shape::COMPSOLID &&
          aShapeType != GeomAPI_Shape::COMPOUND) {
-        theError = "Error: selected shape has the wrong type.";
+        theError = "Error: Selected shape has the wrong type.";
         return false;
       }
     }
@@ -442,31 +538,223 @@ bool FeaturesPlugin_ValidatorPartitionSelection::isValid(const AttributePtr& the
                                                          const std::list<std::string>& theArguments,
                                                          std::string& theError) const
 {
-  std::string anAttributeType = theAttribute->attributeType();
-  if(anAttributeType == ModelAPI_AttributeSelectionList::typeId()) {
-    AttributeSelectionListPtr aSelectionListAttr =
-        std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
+  AttributeSelectionListPtr anAttrSelectionList = std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
+  if(!anAttrSelectionList.get()) {
+    theError = "Error: This validator can only work with selection list in \"Partition\" feature.";
+    return false;
+  }
 
-    for(int anIndex = 0; anIndex < aSelectionListAttr->size(); ++anIndex) {
-      AttributeSelectionPtr aSelectAttr = aSelectionListAttr->value(anIndex);
+  for(int anIndex = 0; anIndex < anAttrSelectionList->size(); ++anIndex) {
+    AttributeSelectionPtr aSelectAttr = anAttrSelectionList->value(anIndex);
 
-      GeomValidators_BodyShapes aBodyValidator;
-      if(aBodyValidator.isValid(aSelectAttr, theArguments, theError)) {
-        continue;
-      }
+    //GeomValidators_BodyShapes aBodyValidator;
+    //if(aBodyValidator.isValid(aSelectAttr, theArguments, theError)) {
+    //  continue;
+    //}
 
-      GeomValidators_FeatureKind aFeatureKindValidator;
-      if(aFeatureKindValidator.isValid(aSelectAttr, theArguments, theError)) {
-        continue;
+    GeomValidators_FeatureKind aFeatureKindValidator;
+    if(aFeatureKindValidator.isValid(aSelectAttr, theArguments, theError)) {
+      continue;
+    }
+
+    ResultPtr aContext = aSelectAttr->context();
+    ResultConstructionPtr aResultConstruction = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
+    if(aResultConstruction.get()) {
+      theError = "Error: Only body shapes and construction planes are allowed for selection.";
+      return false;
+    }
+
+    ResultCompSolidPtr aResultCompsolid = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aContext);
+    if(aResultCompsolid.get()) {
+      continue;
+    }
+
+    theError = "Error: Only body shapes and construction planes are allowed for selection.";
+    return false;
+  }
+
+  theError = "";
+  return true;
+}
+
+//==================================================================================================
+bool FeaturesPlugin_ValidatorRemoveSubShapesSelection::isValid(const AttributePtr& theAttribute,
+                                                               const std::list<std::string>& theArguments,
+                                                               std::string& theError) const
+{
+  AttributeSelectionListPtr aSubShapesAttrList = std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
+  if(!aSubShapesAttrList.get()) {
+    theError = "Error: This validator can only work with selection list in \"Remove Sub-Shapes\" feature.";
+    return false;
+  }
+
+  static const std::string aBaseShapeID = "base_shape";
+  FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
+  AttributeSelectionPtr aShapeAttrSelection = aFeature->selection(aBaseShapeID);
+
+  if(!aShapeAttrSelection.get()) {
+    theError = "Error: Could not get \"" + aBaseShapeID + "\" attribute.";
+    return false;
+  }
+
+  GeomShapePtr aBaseShape = aShapeAttrSelection->value();
+  ResultPtr aContext = aShapeAttrSelection->context();
+  if(!aContext.get()) {
+    theError = "Error: Empty context.";
+    return false;
+  }
+  if(!aBaseShape.get()) {
+    aBaseShape = aContext->shape();
+  }
+  if(!aBaseShape.get()) {
+    theError = "Error: Empty base shape.";
+    return false;
+  }
+
+  for(int anIndex = 0; anIndex < aSubShapesAttrList->size(); ++anIndex) {
+    bool isSameFound = false;
+    AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
+    GeomShapePtr aShapeToAdd = anAttrSelectionInList->value();
+    for(GeomAPI_ShapeIterator anIt(aBaseShape); anIt.more(); anIt.next()) {
+      if(anIt.current()->isEqual(aShapeToAdd)) {
+        isSameFound = true;
+        break;
       }
+    }
+    if(!isSameFound) {
+      theError = "Error: Only sub-shapes of selected shape is allowed for selection.";
+      return false;
+    }
+  }
+
+  return true;
+}
+
+//==================================================================================================
+bool FeaturesPlugin_ValidatorRemoveSubShapesResult::isValid(const std::shared_ptr<ModelAPI_Feature>& theFeature,
+                                                            const std::list<std::string>& theArguments,
+                                                            std::string& theError) const
+{
+  static const std::string aBaseShapeID = "base_shape";
+  static const std::string aSubShapesID = "subshapes";
+
+  if(theFeature->getKind() != "Remove_SubShapes") {
+    theError = "Error: Feature \"" + theFeature->getKind() + "\" does not supported by this validator.";
+    return false;
+  }
 
-      theError = "Only body shapes and construction planes are allowed for selection.";
+  AttributeSelectionPtr aShapeAttrSelection = theFeature->selection(aBaseShapeID);
+  if(!aShapeAttrSelection.get()) {
+    theError = "Error: Could not get \"" + aBaseShapeID + "\" attribute.";
+    return false;
+  }
+
+  AttributeSelectionListPtr aSubShapesAttrList = theFeature->selectionList(aSubShapesID);
+  if(!aSubShapesAttrList.get()) {
+    theError = "Error: Could not get \"" + aSubShapesID + "\" attribute.";
+    return false;
+  }
+
+  // Copy base shape.
+  GeomShapePtr aBaseShape = aShapeAttrSelection->value();
+  if(!aBaseShape.get()) {
+    theError = "Error: Base shape is empty.";
+    return false;
+  }
+  GeomShapePtr aResultShape = aBaseShape->emptyCopied();
+
+  // Copy sub-shapes from list to new shape.
+  for(int anIndex = 0; anIndex < aSubShapesAttrList->size(); ++anIndex) {
+    AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
+    GeomShapePtr aShapeToAdd = anAttrSelectionInList->value();
+    GeomAlgoAPI_ShapeBuilder::add(aResultShape, aShapeToAdd);
+  }
+
+  // Check new shape.
+  if(!GeomAlgoAPI_ShapeTools::isShapeValid(aResultShape)) {
+    theError = "Error: Resulting shape is not valid.";
+    return false;
+  }
+
+  return true;
+}
+
+//==================================================================================================
+bool FeaturesPlugin_ValidatorRemoveSubShapesResult::isNotObligatory(std::string theFeature,
+                                                                    std::string theAttribute)
+{
+  return false;
+}
+
+//==================================================================================================
+bool FeaturesPlugin_ValidatorUnionSelection::isValid(const AttributePtr& theAttribute,
+                                                     const std::list<std::string>& theArguments,
+                                                     std::string& theError) const
+{
+  AttributeSelectionListPtr aBaseObjectsAttrList = std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
+  if(!aBaseObjectsAttrList.get()) {
+    theError = "Error: This validator can only work with selection list in \"" + FeaturesPlugin_Union::ID() + "\" feature.";
+    return false;
+  }
+
+  for(int anIndex = 0; anIndex < aBaseObjectsAttrList->size(); ++anIndex) {
+    bool isSameFound = false;
+    AttributeSelectionPtr anAttrSelectionInList = aBaseObjectsAttrList->value(anIndex);
+    ResultCompSolidPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(anAttrSelectionInList->context());
+    if(!aResult.get()) {
+      continue;
+    }
+    if(aResult->numberOfSubs() > 0) {
+      theError = "Error: Whole compsolids not allowed for selection.";
       return false;
     }
-  } else {
-    theError = "This validator supports only " + ModelAPI_AttributeSelectionList::typeId() + " attribute type.";
+  }
+
+  return true;
+}
+
+//==================================================================================================
+bool FeaturesPlugin_ValidatorUnionArguments::isValid(const std::shared_ptr<ModelAPI_Feature>& theFeature,
+                                                     const std::list<std::string>& theArguments,
+                                                     std::string& theError) const
+{
+  // Check feature kind.
+  if(theFeature->getKind() != FeaturesPlugin_Union::ID()) {
+    theError = "Error: This validator supports only \"" + FeaturesPlugin_Union::ID() + "\" feature.";
+    return false;
+  }
+
+  // Get base objects attribute list.
+  AttributeSelectionListPtr aBaseObejctsAttrList = theFeature->selectionList(FeaturesPlugin_Union::BASE_OBJECTS_ID());
+  if(!aBaseObejctsAttrList.get()) {
+    theError = "Error: Could not get \"" + FeaturesPlugin_Union::BASE_OBJECTS_ID() + "\" attribute.";
+    return false;
+  }
+
+  // Get all shapes.
+  ListOfShape aBaseShapesList;
+  for(int anIndex = 0; anIndex < aBaseObejctsAttrList->size(); ++anIndex) {
+    AttributeSelectionPtr anAttrSelectionInList = aBaseObejctsAttrList->value(anIndex);
+    GeomShapePtr aShape = anAttrSelectionInList->value();
+    aBaseShapesList.push_back(aShape);
+  }
+
+  // Make componud and find connected.
+  GeomShapePtr aCompound = GeomAlgoAPI_CompoundBuilder::compound(aBaseShapesList);
+  ListOfShape aCombined, aFree;
+  GeomAlgoAPI_ShapeTools::combineShapes(aCompound, GeomAPI_Shape::COMPSOLID, aCombined, aFree);
+
+  if(aFree.size() > 0 || aCombined.size() > 1) {
+    theError = "Error: Not all shapes have shared topology.";
     return false;
   }
 
   return true;
 }
+
+//==================================================================================================
+bool FeaturesPlugin_ValidatorUnionArguments::isNotObligatory(std::string theFeature,
+                                                             std::string theAttribute)
+{
+  return false;
+}