}
//**************************************************************
+// Returns the list of features placed between theObject and the current feature
+// in the same document. Excludes theObject, includes the current feature.
+std::list<FeaturePtr> toCurrentFeatures(const ObjectPtr& theObject)
+{
+ std::list<FeaturePtr> aResult;
+ DocumentPtr aDocument = theObject->document();
+ std::list<FeaturePtr> anAllFeatures = aDocument->allFeatures();
+ // find the object iterator
+ std::list<FeaturePtr>::iterator aObjectIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), theObject);
+ if (aObjectIt == anAllFeatures.end())
+ return aResult;
+ // find the current feature iterator
+ std::list<FeaturePtr>::iterator aCurrentIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), aDocument->currentFeature(true));
+ if (aCurrentIt == anAllFeatures.end())
+ return aResult;
+ // check the right order
+ if (std::distance(aObjectIt, anAllFeatures.end()) <= std::distance(aCurrentIt, anAllFeatures.end()))
+ return aResult;
+ // exclude the object
+ std::advance(aObjectIt, 1);
+ // include the current feature
+ std::advance(aCurrentIt, 1);
+ return std::list<FeaturePtr>(aObjectIt, aCurrentIt);
+}
+
bool XGUI_Workshop::canMoveFeature()
{
QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
- std::set<FeaturePtr> aRefFeatures;
foreach (ObjectPtr aObject, aObjects) {
- std::set<FeaturePtr> aFeatures = refFeatures(aObject, false);
- aRefFeatures.insert(aFeatures.begin(), aFeatures.end());
+ // 1. Get features placed between selected and current in the document
+ std::list<FeaturePtr> aFeaturesBetween = toCurrentFeatures(aObject);
+ // if aFeaturesBetween is empty it means wrong order or aObject is the current feature
+ if (aFeaturesBetween.empty())
+ return false;
+ std::set<FeaturePtr> aPlacedFeatures(aFeaturesBetween.begin(), aFeaturesBetween.end());
+ // 2. Get all reference features to the selected object in the document
+ std::set<FeaturePtr> aRefFeatures = refFeatures(aObject, false);
+ if (aRefFeatures.empty())
+ continue;
+ // 3. Find any placed features in all reference features
+ std::set<FeaturePtr> aIntersectionFeatures;
+ std::set_intersection(aRefFeatures.begin(), aRefFeatures.end(),
+ aPlacedFeatures.begin(), aPlacedFeatures.end(),
+ std::inserter(aIntersectionFeatures, aIntersectionFeatures.begin()));
+ // 4. Return false if any reference feature is placed before curent feature
+ if (!aIntersectionFeatures.empty())
+ return false;
}
- return aRefFeatures.empty();
+ return true;
}
//**************************************************************
