From 9bd87623656e58463e5e60cdb31d5f6104e085ec Mon Sep 17 00:00:00 2001
From: jriegel <FreeCAD@juergen-riegel.net>
Date: Mon, 22 Sep 2014 15:05:20 +0200
Subject: [PATCH] Assembly: Plane ViewProvider Size property and smaller
 standard size

---
 src/Gui/ViewProviderPlane.cpp | 20 +++++++++++++++++---
 src/Gui/ViewProviderPlane.h   |  2 ++
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/Gui/ViewProviderPlane.cpp b/src/Gui/ViewProviderPlane.cpp
index 40f5672f32..9e60c2a9cb 100644
--- a/src/Gui/ViewProviderPlane.cpp
+++ b/src/Gui/ViewProviderPlane.cpp
@@ -64,13 +64,15 @@ PROPERTY_SOURCE(Gui::ViewProviderPlane, Gui::ViewProviderGeometryObject)
 
 ViewProviderPlane::ViewProviderPlane() 
 {
+
+    ADD_PROPERTY(Size,(1.0));
  
     pMat = new SoMaterial();
     pMat->ref();
 
-    const float size = 10; // Note: If you change this, you need to also adapt App/Plane.cpp getBoundBox()
+    float size = Size.getValue(); // Note: If you change this, you need to also adapt App/Plane.cpp getBoundBox()
 
-    static const SbVec3f verts[4] =
+    SbVec3f verts[4] =
     {
         SbVec3f(size,size,0), SbVec3f(size,-size,0),
         SbVec3f(-size,-size,0), SbVec3f(-size,size,0),
@@ -106,7 +108,19 @@ ViewProviderPlane::~ViewProviderPlane()
 
 void ViewProviderPlane::onChanged(const App::Property* prop)
 {
-        ViewProviderGeometryObject::onChanged(prop);
+        if (prop == &Size){
+                float size = Size.getValue(); // Note: If you change this, you need to also adapt App/Plane.cpp getBoundBox()
+
+                SbVec3f verts[4] =
+                {
+                    SbVec3f(size,size,0), SbVec3f(size,-size,0),
+                    SbVec3f(-size,-size,0), SbVec3f(-size,size,0),
+                };
+
+                pCoords->point.setValues(0, 4, verts);
+        }
+        else
+         ViewProviderGeometryObject::onChanged(prop);
 }
 
 std::vector<std::string> ViewProviderPlane::getDisplayModes(void) const
diff --git a/src/Gui/ViewProviderPlane.h b/src/Gui/ViewProviderPlane.h
index fef1575f32..5547cc5d60 100644
--- a/src/Gui/ViewProviderPlane.h
+++ b/src/Gui/ViewProviderPlane.h
@@ -49,6 +49,8 @@ public:
     ViewProviderPlane(void);
     virtual ~ViewProviderPlane();
 
+    App::PropertyFloat Size;
+
     void attach(App::DocumentObject *);
     void updateData(const App::Property*);
     std::vector<std::string> getDisplayModes(void) const;