Added option to hide inactive documents in tree view.

src/Gui/CommandView.cpp

@@ -2818,6 +2818,42 @@ void CmdViewMeasureToggleAll::activated(int iMsg)
       group->SetBool("DimensionsVisible", true);
 }
 
+//===========================================================================
+// Std_TreeHideInactiveDocs
+//===========================================================================
+
+DEF_STD_CMD_C(StdTreeHideInactiveDocs);
+
+StdTreeHideInactiveDocs::StdTreeHideInactiveDocs()
+  : Command("Std_TreeHideInactiveDocs")
+{
+    sGroup        = QT_TR_NOOP("View");
+    sMenuText     = QT_TR_NOOP("Hide inactive documents in tree");
+    sToolTipText  = QT_TR_NOOP("Toggles hiding inactive documents in document tree");
+    sWhatsThis    = "Std_TreeHideInactiveDocs";
+    sStatusTip    = QT_TR_NOOP("Toggles hiding inactive documents in document tree");
+    eType         = 0;
+}
+
+Action * StdTreeHideInactiveDocs::createAction(void)
+{
+    Action *pcAction = Command::createAction();
+    pcAction->setCheckable(true);
+    ParameterGrp::handle group = App::GetApplication().GetUserParameter().
+    GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("View");
+    pcAction->setChecked(group->GetBool("TreeHideInactiveDocs", false));
+
+    return pcAction;
+}
+
+void StdTreeHideInactiveDocs::activated(int iMsg)
+{
+    ParameterGrp::handle group = App::GetApplication().GetUserParameter().
+    GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("View");
+    group->SetBool("TreeHideInactiveDocs", iMsg != 0);
+    App::GetApplication().setActiveDocument(App::GetApplication().getActiveDocument());
+}
+
 //===========================================================================
 // Instantiation
 //===========================================================================
@@ -2886,6 +2922,7 @@ void CreateViewStdCommands(void)
     rcCmdMgr.addCommand(new StdCmdAxisCross());
     rcCmdMgr.addCommand(new CmdViewMeasureClearAll());
     rcCmdMgr.addCommand(new CmdViewMeasureToggleAll());
+    rcCmdMgr.addCommand(new StdTreeHideInactiveDocs());
 }
 
 } // namespace Gui

src/Gui/Tree.cpp

@@ -706,12 +706,15 @@ void TreeWidget::slotActiveDocument(const Gui::Document& Doc)
     std::map<const Gui::Document*, DocumentItem*>::iterator jt = DocumentMap.find(&Doc);
     if (jt == DocumentMap.end())
         return; // signal is emitted before the item gets created
+    ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
+    bool hideInactive = hGrp->GetBool("TreeHideInactiveDocs", false);
     for (std::map<const Gui::Document*, DocumentItem*>::iterator it = DocumentMap.begin();
          it != DocumentMap.end(); ++it)
     {
         QFont f = it->second->font(0);
         f.setBold(it == jt);
         it->second->setFont(0,f);
+        it->second->setHidden(hideInactive && it != jt);
     }
 }
 

src/Gui/Workbench.cpp

@@ -550,6 +550,7 @@ MenuItem* StdWorkbench::setupMenuBar() const
           << "Std_ToggleVisibility" << "Std_ToggleNavigation"
           << "Std_SetAppearance" << "Std_RandomColor" << "Separator" 
           << "Std_Workbench" << "Std_ToolBarMenu" << "Std_DockViewMenu" << "Separator" 
+          << "Std_TreeHideInactiveDocs"
           << "Std_ViewStatusBar";
 
     // Tools