Wrong conversion for the tag unit.

--HG--
branch : feature

src/app/valentina/mainwindow.cpp

@@ -1948,7 +1948,10 @@ void MainWindow::Clear()
     qCDebug(vMainWindow, "Returned to Draw mode.");
     pattern->Clear();
     qCDebug(vMainWindow, "Clearing pattern.");
-    watcher->removePath(AbsoluteMPath(curFile, doc->MPath()));
+    if (not curFile.isEmpty())
+    {
+        watcher->removePath(AbsoluteMPath(curFile, doc->MPath()));
+    }
     doc->clear();
     setCurrentFile(QString());
     qCDebug(vMainWindow, "Clearing scenes.");

src/libs/ifc/xml/vpatternconverter.cpp

@@ -222,7 +222,7 @@ void VPatternConverter::TagUnitToV0_2_0()
     unit.appendChild(newNodeText);
 
     QDomElement patternElement = documentElement();
-    patternElement.insertAfter(unit, patternElement.firstChild());
+    patternElement.insertAfter(unit, patternElement.firstChildElement("version"));
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -239,8 +239,8 @@ void VPatternConverter::TagIncrementToV0_2_0()
 QSet<QString> VPatternConverter::FixIncrementsToV0_2_0()
 {
     QSet<QString> names;
-    const QDomElement ms = TagMeasurementsV0_1_4();
+    const QDomElement incr = TagIncrementsV0_1_4();
-    QDomNode domNode = ms.firstChild();
+    QDomNode domNode = incr.firstChild();
     while (domNode.isNull() == false)
     {
         if (domNode.isElement())
@@ -502,6 +502,19 @@ QDomElement VPatternConverter::TagMeasurementsV0_1_4() const
     return element;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+QDomElement VPatternConverter::TagIncrementsV0_1_4() const
+{
+    const QDomNodeList list = elementsByTagName("increments");
+    const QDomElement element = list.at(0).toElement();
+    if (not element.isElement())
+    {
+        VException excep("Can't get tag measurements.");
+        throw excep;
+    }
+    return element;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 QStringList VPatternConverter::ListPathPointExpressionsV0_1_4() const
 {

src/libs/ifc/xml/vpatternconverter.h

@@ -73,6 +73,7 @@ private:
 
     QString MUnitV0_1_4() const;
     QDomElement TagMeasurementsV0_1_4() const;
+    QDomElement TagIncrementsV0_1_4() const;
     QStringList ListPathPointExpressionsV0_1_4() const;
 };