add observer for GUI documents

2017-01-22 19:05:13 +01:00
parent f71f6f27ee
commit 953749e330
4 changed files with 258 additions and 4 deletions
--- a/src/Gui/DocumentObserver.cpp
+++ b/src/Gui/DocumentObserver.cpp
@@ -0,0 +1,137 @@
+/***************************************************************************
+ *   Copyright (c) 2008 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include "PreCompiled.h"
+
+#ifndef _PreComp_
+# include <sstream>
+#endif
+
+#include <boost/signals.hpp>
+#include <boost/bind.hpp>
+
+#include "Application.h"
+#include "Document.h"
+#include "ViewProviderDocumentObject.h"
+#include "DocumentObserver.h"
+
+using namespace Gui;
+
+
+DocumentObserver::DocumentObserver()
+{
+}
+
+DocumentObserver::~DocumentObserver()
+{
+}
+
+void DocumentObserver::attachDocument(Document* doc)
+{
+    detachDocument();
+
+    if (doc == nullptr)
+        return;
+
+    this->connectDocumentCreatedObject = doc->signalNewObject.connect(boost::bind
+        (&DocumentObserver::slotCreatedObject, this, _1));
+    this->connectDocumentDeletedObject = doc->signalDeletedObject.connect(boost::bind
+        (&DocumentObserver::slotDeletedObject, this, _1));
+    this->connectDocumentChangedObject = doc->signalChangedObject.connect(boost::bind
+        (&DocumentObserver::slotChangedObject, this, _1, _2));
+    this->connectDocumentRelabelObject = doc->signalRelabelObject.connect(boost::bind
+        (&DocumentObserver::slotRelabelObject, this, _1));
+    this->connectDocumentActivateObject = doc->signalActivatedObject.connect(boost::bind
+        (&DocumentObserver::slotActivatedObject, this, _1));
+    this->connectDocumentEditObject = doc->signalInEdit.connect(boost::bind
+        (&DocumentObserver::slotEnterEditObject, this, _1));
+    this->connectDocumentResetObject = doc->signalResetEdit.connect(boost::bind
+        (&DocumentObserver::slotResetEditObject, this, _1));
+    this->connectDocumentUndo = doc->signalUndoDocument.connect(boost::bind
+        (&DocumentObserver::slotUndoDocument, this, _1));
+    this->connectDocumentRedo = doc->signalRedoDocument.connect(boost::bind
+        (&DocumentObserver::slotRedoDocument, this, _1));
+}
+
+void DocumentObserver::detachDocument()
+{
+    this->connectDocumentCreatedObject.disconnect();
+    this->connectDocumentDeletedObject.disconnect();
+    this->connectDocumentChangedObject.disconnect();
+    this->connectDocumentRelabelObject.disconnect();
+    this->connectDocumentActivateObject.disconnect();
+    this->connectDocumentEditObject.disconnect();
+    this->connectDocumentResetObject.disconnect();
+    this->connectDocumentUndo.disconnect();
+    this->connectDocumentRedo.disconnect();
+}
+
+void DocumentObserver::enableNotifications(DocumentObserver::Notifications value)
+{
+    this->connectDocumentCreatedObject.block(!(value & Create));
+    this->connectDocumentDeletedObject.block(!(value & Delete));
+    this->connectDocumentChangedObject.block(!(value & Change));
+    this->connectDocumentRelabelObject.block(!(value & Relabel));
+    this->connectDocumentActivateObject.block(!(value & Activate));
+    this->connectDocumentEditObject.block(!(value & Edit));
+    this->connectDocumentResetObject.block(!(value & Reset));
+    this->connectDocumentUndo.block(!(value & Undo));
+    this->connectDocumentRedo.block(!(value & Redo));
+}
+
+void DocumentObserver::slotUndoDocument(const Document& /*Doc*/)
+{
+}
+
+void DocumentObserver::slotRedoDocument(const Document& /*Doc*/)
+{
+}
+
+void DocumentObserver::slotCreatedObject(const ViewProviderDocumentObject& /*Obj*/)
+{
+}
+
+void DocumentObserver::slotDeletedObject(const ViewProviderDocumentObject& /*Obj*/)
+{
+}
+
+void DocumentObserver::slotChangedObject(const ViewProviderDocumentObject& /*Obj*/,
+                                         const App::Property& /*Prop*/)
+{
+}
+
+void DocumentObserver::slotRelabelObject(const ViewProviderDocumentObject& /*Obj*/)
+{
+}
+
+void DocumentObserver::slotActivatedObject(const ViewProviderDocumentObject& /*Obj*/)
+{
+}
+
+void DocumentObserver::slotEnterEditObject(const ViewProviderDocumentObject& /*Obj*/)
+{
+}
+
+void DocumentObserver::slotResetEditObject(const ViewProviderDocumentObject& /*Obj*/)
+{
+}