Core: move getPlacementProperty to be more accessible (#26088)

* Core: move getPlacementProperty to be more accessible

* Update DocumentObject.h

* Update DocumentObject.cpp

* Update ViewProviderDragger.h

* Update ViewProviderDragger.cpp

* Update DocumentObject.h

* Update DocumentObject.cpp

* Update ViewProviderLink.cpp

* Update DocumentObject.h

* Update DocumentObject.cpp

* Update DocumentObject.h

src/App/DocumentObject.cpp

@@ -1644,3 +1644,26 @@ Base::Placement DocumentObject::getPlacementOf(const std::string& sub, DocumentO
     return plc * subObj->getPlacementOf(newSub, targetObj);
 }
 
+Base::Placement DocumentObject::getPlacement() const
+{
+    Base::Placement plc;
+    if (auto* prop = getPlacementProperty()) {
+        plc = prop->getValue();
+    }
+    return plc;
+}
+
+App::PropertyPlacement* DocumentObject::getPlacementProperty() const
+{
+    if (auto linkExtension = getExtensionByType<App::LinkBaseExtension>(true)) {
+        if (auto linkPlacementProp = linkExtension->getLinkPlacementProperty()) {
+            return linkPlacementProp;
+        }
+
+        return linkExtension->getPlacementProperty();
+    }
+
+    return getPropertyByName<App::PropertyPlacement>("Placement");
+}
+
+

src/App/DocumentObject.h

@@ -27,6 +27,7 @@
 
 #include <App/TransactionalObject.h>
 #include <App/PropertyExpressionEngine.h>
+#include <App/PropertyGeo.h>
 #include <App/PropertyLinks.h>
 #include <App/PropertyStandard.h>
 #include <Base/SmartPtrPy.h>
@@ -714,6 +715,12 @@ public:
     */
     virtual Base::Placement getPlacementOf(const std::string& sub, DocumentObject* targetObj = nullptr);
 
+    /* Returns the Placement property value if any.*/
+    virtual Base::Placement getPlacement() const;
+
+    /* Returns the Placement property to use if any*/
+    virtual App::PropertyPlacement* getPlacementProperty() const;
+
 protected:
     /// recompute only this object
     virtual App::DocumentObjectExecReturn* recompute();

src/Gui/ViewProviderDragger.cpp

@@ -187,21 +187,6 @@ bool ViewProviderDragger::forwardToLink()
     return forwardedViewProvider != nullptr;
 }
 
-App::PropertyPlacement* ViewProviderDragger::getPlacementProperty() const
-{
-    auto object = getObject();
-
-    if (auto linkExtension = object->getExtensionByType<App::LinkBaseExtension>(true)) {
-        if (auto linkPlacementProp = linkExtension->getLinkPlacementProperty()) {
-            return linkPlacementProp;
-        }
-
-        return linkExtension->getPlacementProperty();
-    }
-
-    return getObject()->getPropertyByName<App::PropertyPlacement>("Placement");
-}
-
 bool ViewProviderDragger::setEdit(int ModNum)
 {
     Q_UNUSED(ModNum);
@@ -298,7 +283,7 @@ void ViewProviderDragger::dragMotionCallback(void* data, [[maybe_unused]] SoDrag
 
 void ViewProviderDragger::updatePlacementFromDragger(DraggerComponents components)
 {
-    const auto placement = getPlacementProperty();
+    const auto placement = getObject()->getPlacementProperty();
 
     if (!placement) {
         return;
@@ -429,7 +414,7 @@ void ViewProviderDragger::updateTransformFromDragger()
 
 Base::Placement ViewProviderDragger::getObjectPlacement() const
 {
-    if (auto placement = getPlacementProperty()) {
+    if (auto placement = getObject()->getPlacementProperty()) {
         return placement->getValue();
     }
 

src/Gui/ViewProviderDragger.h

@@ -128,9 +128,6 @@ protected:
 
     bool forwardToLink();
 
-    /// Gets placement property of the object
-    App::PropertyPlacement* getPlacementProperty() const;
-
     /**
      * Returns a newly create dialog for the part to be placed in the task view
      * Must be reimplemented in subclasses.

src/Gui/ViewProviderLink.cpp

@@ -3271,7 +3271,7 @@ bool ViewProviderLink::initDraggingPlacement()
     dragCtx = std::make_unique<DraggerContext>();
 
     dragCtx->preTransform = doc->getEditingTransform();
-    const auto& pla = getPlacementProperty()->getValue();
+    const auto& pla = getObject()->getPlacementProperty()->getValue();
 
     // Cancel out our own transformation from the editing transform, because
     // the dragger is meant to change our transformation.