Add increment's formula to the export list.

--HG--
branch : develop

src/libs/ifc/xml/vabstractpattern.cpp

@@ -1018,6 +1018,7 @@ QStringList VAbstractPattern::ListExpressions() const
     list << ListPointExpressions();
     list << ListArcExpressions();
     list << ListSplineExpressions();
+    list << ListIncrementExpressions();
 
     return list;
 }
@@ -1176,6 +1177,28 @@ QStringList VAbstractPattern::ListPathPointExpressions() const
     return expressions;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+QStringList VAbstractPattern::ListIncrementExpressions() const
+{
+    QStringList expressions;
+    const QDomNodeList list = elementsByTagName(TagIncrement);
+    for (int i=0; i < list.size(); ++i)
+    {
+        const QDomElement dom = list.at(i).toElement();
+
+        try
+        {
+            expressions.append(GetParametrString(dom, IncrementFormula));
+        }
+        catch (VExceptionEmptyParameter &e)
+        {
+            Q_UNUSED(e)
+        }
+    }
+
+    return expressions;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 bool VAbstractPattern::IsVariable(const QString &token) const
 {

src/libs/ifc/xml/vabstractpattern.h

@@ -248,6 +248,7 @@ private:
     QStringList ListArcExpressions() const;
     QStringList ListSplineExpressions() const;
     QStringList ListPathPointExpressions() const;
+    QStringList ListIncrementExpressions() const;
 
     bool IsVariable(const QString& token) const;
     bool IsPostfixOperator(const QString& token) const;