+bool takeLastDigits( QString& theStr, int& aRes )
+{
+ aRes = -1;
+
+ QString anStrNum;
+ for ( int i = theStr.length() - 1; i >= 0; --i )
+ {
+ const QChar& aChar = theStr.at( i );
+ if ( !aChar.isDigit() )
+ break;
+
+ anStrNum.prepend( aChar );
+ }
+
+ if ( anStrNum.isEmpty() )
+ return false;
+
+ theStr.remove( theStr.length() - anStrNum.length(), anStrNum.length() );
+ aRes = anStrNum.toInt();
+
+ return true;
+}
+
+bool isObjectNameLessThan( const QString& theStr1, const QString& theStr2 )
+{
+ QString aStr1 = theStr1, aStr2 = theStr2;
+
+ int aNum1 = -1, aNum2 = -1;
+ if ( takeLastDigits( aStr1, aNum1 ) && takeLastDigits( aStr2, aNum2 ) )
+ {
+ if ( aStr1 == aStr2 )
+ return aNum1 < aNum2;
+ }
+
+ return theStr1 < theStr2;
+}
+
+HYDROData_SequenceOfObjects HYDROData_Document::GetObjectsLayerOrder(
+ const Standard_Boolean theIsAll ) const
+{
+ HYDROData_SequenceOfObjects anOrder;
+
+ MapOfOrdered aMapOfOrdered;
+ MapOfUnordered aMapOfUnordered;
+
+ HYDROData_Iterator anIter( this );
+ for ( ; anIter.More(); anIter.Next() )
+ {
+ Handle(HYDROData_Entity) anObject = anIter.Current();
+ if ( anObject.IsNull() || !anObject->IsHas2dPrs() )
+ continue;
+
+ Standard_Integer anObjZLevel = -1;
+ if ( anObject->GetZLevel( anObjZLevel ) )
+ {
+ aMapOfOrdered.insert( anObjZLevel, anObject );
+ }
+ else
+ {
+ QString anObjName = anObject->GetName();
+ if ( anObjName.isEmpty() )
+ continue;
+
+ aMapOfUnordered.insert( anObjName, anObject );
+ }
+ }
+
+ MapOfOrdered::const_iterator anOrderedMapIt = aMapOfOrdered.constBegin();
+ for ( ; anOrderedMapIt != aMapOfOrdered.constEnd(); anOrderedMapIt++ )
+ {
+ const Handle(HYDROData_Entity)& anObject = anOrderedMapIt.value();
+ anOrder.Prepend( anObject );
+ }
+
+ if ( theIsAll )
+ {
+ QStringList aSortedNames = aMapOfUnordered.keys();
+ qSort( aSortedNames.begin(), aSortedNames.end(), isObjectNameLessThan );
+
+ for ( int i = 0; i < aSortedNames.length(); ++i )
+ {
+ QString anObjName = aSortedNames.value( i );
+
+ const Handle(HYDROData_Entity)& anObject = aMapOfUnordered.value( anObjName );
+ anOrder.Append( anObject );
+ }
+ }
+
+ return anOrder;
+}
+
+void HYDROData_Document::SetObjectsLayerOrder( const HYDROData_SequenceOfObjects& theOrder )
+{
+ // At first we remove previous model order
+ RemoveObjectsLayerOrder();
+
+ // Make new objects order
+ Standard_Integer aLevel = 0;
+ for ( int i = theOrder.Length(), n = 1; i >= n; --i )
+ {
+ const Handle(HYDROData_Entity)& anObject = theOrder.Value( i );
+ if ( anObject.IsNull() || !anObject->IsHas2dPrs() )
+ continue;
+
+ anObject->SetZLevel( aLevel++ );
+ }
+}
+
+void HYDROData_Document::Show( const Handle_HYDROData_Entity& theObject )
+{
+ HYDROData_SequenceOfObjects anOrder;
+ anOrder.Append( theObject );
+ Show( anOrder );
+}
+
+void HYDROData_Document::Show( const HYDROData_SequenceOfObjects& theObjects )
+{
+ MapOfUnordered aMapOfUnordered;
+
+ for ( int i = 1, n = theObjects.Length(); i <= n; ++i )
+ {
+ const Handle(HYDROData_Entity)& anObject = theObjects.Value( i );
+ if ( anObject.IsNull() || !anObject->IsHas2dPrs() )
+ continue;
+
+ Standard_Integer anObjZLevel = -1;
+ if ( anObject->GetZLevel( anObjZLevel ) )
+ {
+ continue; // Skip objects that already have the z-level
+ }
+ else
+ {
+ QString anObjName = anObject->GetName();
+ if ( anObjName.isEmpty() )
+ continue;
+
+ aMapOfUnordered.insert( anObjName, anObject );
+ }
+ }
+
+ if ( aMapOfUnordered.isEmpty() )
+ return; // Nothing to show
+
+ Standard_Integer aTopId = 0;
+
+ HYDROData_SequenceOfObjects aModelOrder = GetObjectsLayerOrder( Standard_False );
+ if ( !aModelOrder.IsEmpty() )
+ {
+ const Handle(HYDROData_Entity)& anObject = aModelOrder.First();
+ anObject->GetZLevel( aTopId );
+ aTopId++;
+ }
+
+ aTopId += aMapOfUnordered.size() - 1;
+
+ QStringList aSortedNames = aMapOfUnordered.keys();
+ qSort( aSortedNames.begin(), aSortedNames.end(), isObjectNameLessThan );
+
+ for ( int i = 0; i < aSortedNames.length(); ++i )
+ {
+ QString anObjName = aSortedNames.value( i );
+
+ const Handle(HYDROData_Entity)& anObject = aMapOfUnordered.value( anObjName );
+ anObject->SetZLevel( aTopId-- );
+ }
+}
+
+void HYDROData_Document::RemoveObjectsLayerOrder()
+{
+ HYDROData_Iterator anIter( this );
+ for ( ; anIter.More(); anIter.Next() )
+ {
+ Handle(HYDROData_Entity) anObject = anIter.Current();
+ if ( anObject.IsNull() || !anObject->IsHas2dPrs() )
+ continue;
+
+ anObject->RemoveZLevel();
+ }
+}
+