From 097b95f6867a919501464620f6403780b9d7d4c2 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 14 Jul 2013 15:53:57 +0200
Subject: [PATCH] Show linked objects of compound objects as children in tree
 view

---
 src/Mod/Part/Gui/ViewProviderCompound.cpp | 24 +++++++++++++++++++++++
 src/Mod/Part/Gui/ViewProviderCompound.h   |  2 ++
 2 files changed, 26 insertions(+)

diff --git a/src/Mod/Part/Gui/ViewProviderCompound.cpp b/src/Mod/Part/Gui/ViewProviderCompound.cpp
index a9bc1727c..3fccded18 100644
--- a/src/Mod/Part/Gui/ViewProviderCompound.cpp
+++ b/src/Mod/Part/Gui/ViewProviderCompound.cpp
@@ -45,6 +45,24 @@ ViewProviderCompound::~ViewProviderCompound()
 {
 }
 
+std::vector<App::DocumentObject*> ViewProviderCompound::claimChildren(void) const
+{
+    return static_cast<Part::Compound*>(getObject())->Links.getValues();
+}
+
+bool ViewProviderCompound::onDelete(const std::vector<std::string> &)
+{
+    // get the input shapes
+    Part::Compound* pComp = static_cast<Part::Compound*>(getObject());
+    std::vector<App::DocumentObject*> pLinks = pComp->Links.getValues();
+    for (std::vector<App::DocumentObject*>::iterator it = pLinks.begin(); it != pLinks.end(); ++it) {
+        if (*it)
+            Gui::Application::Instance->showViewProvider(*it);
+    }
+
+    return true;
+}
+
 void ViewProviderCompound::updateData(const App::Property* prop)
 {
     PartGui::ViewProviderPart::updateData(prop);
@@ -88,4 +106,10 @@ void ViewProviderCompound::updateData(const App::Property* prop)
         if (setColor)
             this->DiffuseColor.setValues(compCol);
     }
+    else if (prop->getTypeId() == App::PropertyLinkList::getClassTypeId()) {
+        const std::vector<App::DocumentObject *>& pBases = static_cast<const App::PropertyLinkList*>(prop)->getValues();
+        for (std::vector<App::DocumentObject *>::const_iterator it = pBases.begin(); it != pBases.end(); ++it) {
+            if (*it) Gui::Application::Instance->hideViewProvider(*it);
+        }
+    }
 }
diff --git a/src/Mod/Part/Gui/ViewProviderCompound.h b/src/Mod/Part/Gui/ViewProviderCompound.h
index d648f9864..1ec37b628 100644
--- a/src/Mod/Part/Gui/ViewProviderCompound.h
+++ b/src/Mod/Part/Gui/ViewProviderCompound.h
@@ -38,6 +38,8 @@ public:
     ViewProviderCompound();
     /// destructor
     virtual ~ViewProviderCompound();
+    std::vector<App::DocumentObject*> claimChildren() const;
+    bool onDelete(const std::vector<std::string> &);
 
 protected:
     void updateData(const App::Property*);