[TD]simplify embedded hatch file handling

src/Mod/TechDraw/Gui/TaskHatch.cpp

@@ -173,7 +173,7 @@ void TaskHatch::apply(bool forceUpdate)
 
 void TaskHatch::createHatch()
 {
-//    Base::Console().Message("TH::createHatch()\n");
+    Base::Console().Message("TH::createHatch()\n");
     App::Document* doc = m_dvp->getDocument();
     std::string FeatName = doc->getUniqueObjectName("Hatch");
     std::stringstream featLabel;
@@ -208,7 +208,7 @@ void TaskHatch::createHatch()
 
 void TaskHatch::updateHatch()
 {
-//    Base::Console().Message("TH::updateHatch()\n");
+    Base::Console().Message("TH::updateHatch()\n");
     std::string FeatName = m_hatch->getNameInDocument();
 
     Command::openCommand(QT_TRANSLATE_NOOP("Command", "Update Hatch"));

src/Mod/TechDraw/Gui/ViewProviderGeomHatch.cpp

@@ -115,9 +115,17 @@ void ViewProviderGeomHatch::onChanged(const App::Property* p)
     Gui::ViewProviderDocumentObject::onChanged(p);
 }
 
-//for feature properties - but each letter/digit in property editor triggers this!
+//for feature properties
 void ViewProviderGeomHatch::updateData(const App::Property* prop)
 {
+    if ( prop == &(getViewObject()->FilePattern) ||
+            prop == &(getViewObject()->NamePattern) ) {
+        TechDraw::DrawViewPart* parent = getViewObject()->getSourceView();
+        if (parent) {
+            parent->requestPaint();
+        }
+    }
+
     Gui::ViewProviderDocumentObject::updateData(prop);
 }
 

src/Mod/TechDraw/Gui/ViewProviderGeomHatch.h

@@ -48,19 +48,19 @@ public:
     /// constructor
     ViewProviderGeomHatch();
     /// destructor
-    virtual ~ViewProviderGeomHatch();
+    ~ViewProviderGeomHatch() override;
 
     App::PropertyFloat       WeightPattern;
     App::PropertyColor       ColorPattern;
 
-    virtual void updateData(const App::Property*) override;
-    virtual void onChanged(const App::Property *prop) override;
-    virtual bool setEdit(int ModNum) override;
-    virtual bool doubleClicked(void) override;
-    virtual bool useNewSelectionModel(void) const override {return false;}
+    void updateData(const App::Property*) override;
+    void onChanged(const App::Property *prop) override;
+    bool setEdit(int ModNum) override;
+    bool doubleClicked(void) override;
+    bool useNewSelectionModel(void) const override {return false;}
     void updateGraphic(void);
     void getParameters(void);
-    virtual bool canDelete(App::DocumentObject* obj) const override;
+    bool canDelete(App::DocumentObject* obj) const override;
 
     TechDraw::DrawGeomHatch* getViewObject() const;
 

src/Mod/TechDraw/Gui/ViewProviderHatch.cpp

@@ -105,6 +105,17 @@ void ViewProviderHatch::onChanged(const App::Property* prop)
     }
 }
 
+void ViewProviderHatch::updateData(const App::Property* prop)
+{
+    if (prop == &(getViewObject()->HatchPattern)) {
+        TechDraw::DrawViewPart* parent = getViewObject()->getSourceView();
+        if (parent) {
+            parent->requestPaint();
+        }
+    }
+    Gui::ViewProviderDocumentObject::updateData(prop);
+}
+
 TechDraw::DrawHatch* ViewProviderHatch::getViewObject() const
 {
     return dynamic_cast<TechDraw::DrawHatch*>(pcObject);

src/Mod/TechDraw/Gui/ViewProviderHatch.h

@@ -51,6 +51,7 @@ public:
 
     bool useNewSelectionModel() const override {return false;}
     void onChanged(const App::Property* prop) override;
+    void updateData(const App::Property*) override;
     bool setEdit(int ModNum) override;
     bool doubleClicked() override;
     bool canDelete(App::DocumentObject* obj) const override;