Fix for the problem when referenced object is updated by modified-feature result...

[modules/shaper.git] / src / Model / Model_Objects.cpp

diff --git a/src/Model/Model_Objects.cpp b/src/Model/Model_Objects.cpp
index fe5ac904f254f5bce53f846db0e43d68b0a48841..b4e516cd64e75305d523ad0c750635d14376c1f0 100644 (file)
--- a/src/Model/Model_Objects.cpp
+++ b/src/Model/Model_Objects.cpp
@@ -487,7 +487,7 @@ void Model_Objects::createHistory(const std::string& theGroupID)
 
         } else {
           // it may be a folder
-          ObjectPtr aFolder = folder(aRefs->Value(a));
+          const ObjectPtr& aFolder = folder(aRefs->Value(a));
           if (aFolder.get()) {
             // store folder information for the Features group only
             if (isFeature || isFolder) {
@@ -535,11 +535,12 @@ void Model_Objects::updateHistory(const std::string theGroup)
   }
 }
 
-ObjectPtr Model_Objects::folder(TDF_Label theLabel) const
+const ObjectPtr& Model_Objects::folder(TDF_Label theLabel) const
 {
   if (myFolders.IsBound(theLabel))
     return myFolders.Find(theLabel);
-  return ObjectPtr();
+  static ObjectPtr anEmptyResult;
+  return anEmptyResult;
 }
 
 FeaturePtr Model_Objects::feature(TDF_Label theLabel) const
@@ -1483,8 +1484,9 @@ std::shared_ptr<ModelAPI_Folder> Model_Objects::findFolder(
       continue;
     }
 
-    aFoundFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(folder(aCurLabel));
-    if (aFoundFolder) {
+    const ObjectPtr& aFolderObj = folder(aCurLabel);
+    if (aFolderObj.get()) {
+      aFoundFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(aFolderObj);
       AttributeReferencePtr aLastFeatAttr =
           aFoundFolder->reference(ModelAPI_Folder::LAST_FEATURE_ID());
       if (aLastFeatAttr) {
@@ -1732,19 +1734,31 @@ FolderPtr Model_Objects::findContainingFolder(const FeaturePtr& theFeature, int&
 
   for (int aRefIndex = aRefs->Lower(); aRefIndex <= aRefs->Upper(); ++aRefIndex) {
     TDF_Label aCurLabel = aRefs->Value(aRefIndex);
-    if (isSkippedFeature(feature(aCurLabel)))
-      continue;
 
     if (aFoundFolder)
       ++theIndexInFolder;
 
-    if (aCurLabel == aLabelToFind) // the feature is reached
+    if (aCurLabel == aLabelToFind) { // the feature is reached
+      if (aFoundFolder) {
+        if (isSkippedFeature(theFeature)) {
+          theIndexInFolder = -1;
+          return FolderPtr();
+        }
+        // decrease the index of the feature in the folder by the number of skipped features
+        for (int anIndex = theIndexInFolder - 1; anIndex > 0; anIndex--) {
+          aCurLabel = aRefs->Value(aRefIndex - anIndex);
+          if (isSkippedFeature(feature(aCurLabel)))
+            theIndexInFolder--;
+        }
+      }
       return aFoundFolder;
+    }
 
     if (!aFoundFolder) {
       // if the current label refers to a folder, feel all necessary data
-      aFoundFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(folder(aCurLabel));
-      if (aFoundFolder) {
+      const ObjectPtr& aFolderObj = folder(aCurLabel);
+      if (aFolderObj.get()) {
+        aFoundFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(aFolderObj);
         theIndexInFolder = -1;
 
         AttributeReferencePtr aLastRef =
@@ -1954,6 +1968,11 @@ FeaturePtr Model_Objects::lastFeature()
 {
   Handle(TDataStd_ReferenceArray) aRefs;
   if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
+    FeaturePtr aLast = feature(aRefs->Value(aRefs->Upper()));
+    if (!aLast.get() && aRefs->Length() != 0) { // erase the invalid feature from the array
+      RemoveFromRefArray(featuresLabel(), aRefs->Value(aRefs->Upper()));
+      return lastFeature(); // try once again, after the last was removed
+    }
     return feature(aRefs->Value(aRefs->Upper()));
   }
   return FeaturePtr(); // no features at all