X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FModel%2FModel_AttributeIntArray.cpp;h=a61a9cc0e97c3d373bd9b2731f35c8dcc61e7d10;hb=1b9dd3633d644c358424227423b330e9551be38f;hp=8f21a427dcc2f437a7573fd57022d1c15e690fd9;hpb=baa32827d0f7eac19aca82eb41d2aa708b358181;p=modules%2Fshaper.git

diff --git a/src/Model/Model_AttributeIntArray.cpp b/src/Model/Model_AttributeIntArray.cpp
index 8f21a427d..a61a9cc0e 100644
--- a/src/Model/Model_AttributeIntArray.cpp
+++ b/src/Model/Model_AttributeIntArray.cpp
@@ -20,12 +20,19 @@
 
 int Model_AttributeIntArray::size()
 {
-  return myArray.IsNull() ? 0 : myArray->Length();
+  if (myArray.IsNull() || !myArray->IsValid()) {
+    // this could be on undo and then redo creation of the attribute
+    // in result creation it may be uninitialized
+      myIsInitialized = myLab.FindAttribute(TDataStd_IntegerArray::GetID(), myArray);
+  }
+  // checking the validity because attribute (as a field) may be presented,
+  // but without label: it is undoed
+  return (myArray.IsNull() || !myArray->IsValid()) ? 0 : myArray->Length();
 }
 
 void Model_AttributeIntArray::setSize(const int theSize)
 {
-  if (myArray.IsNull()) { // create array if it is not done yet
+  if (myArray.IsNull() || !myArray->IsValid()) { // create array if it is not done yet
     if (theSize != 0) { // if size is zero, nothing to do (null array means there is no array)
       myArray = TDataStd_IntegerArray::Set(myLab, 0, theSize);
       owner()->data()->sendAttributeUpdated(this);