Fix closing a pattern file.

Window title was still not cleaned properly.

--HG--
branch : develop

src/app/valentina/mainwindow.cpp

@@ -3043,7 +3043,8 @@ void MainWindow::Clear()
     {
         watcher->removePath(AbsoluteMPath(qApp->GetPatternPath(), doc->MPath()));
     }
-    doc->clear();
+    doc->Clear();
+    UpdateWindowTitle();
     UpdateVisibilityGroups();
     detailsWidget->UpdateList();
     qCDebug(vMainWindow, "Clearing scenes.");

src/libs/ifc/xml/vabstractpattern.cpp

@@ -628,8 +628,14 @@ void VAbstractPattern::setCursor(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VAbstractPattern::setXMLContent(const QString &fileName)
 {
+    Clear();
     VDomDocument::setXMLContent(fileName);
+}
 
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPattern::Clear()
+{
+    clear();
     *patternNumberCached = unknownCharacter;
     *labelDateFormatCached = unknownCharacter;
     *patternNameCached = unknownCharacter;

src/libs/ifc/xml/vabstractpattern.h

@@ -116,6 +116,8 @@ public:
 
     virtual void   UpdateToolData(const quint32 &id, VContainer *data)=0;
 
+    virtual void Clear();
+
     static VDataTool* getTool(quint32 id);
     static void       AddTool(quint32 id, VDataTool *tool);
     static void       RemoveTool(quint32 id);