Added SaveCopy command

This command saves a copy of the current document under a new name,
without modifying the document itself.

Available in menu File -> Save a Copy or from python with
FreeCAD.ActiveDocument.saveCopy(filename)

src/App/Document.cpp

@@ -1001,6 +1001,24 @@ bool Document::saveAs(const char* file)
     return save();
 }
 
+bool Document::saveCopy(const char* file)
+{
+    std::string originalFileName = this->FileName.getStrValue();
+    std::string originalLabel = this->Label.getStrValue();
+    Base::FileInfo fi(file);
+    if (this->FileName.getStrValue() != file) {
+        this->FileName.setValue(file);
+        this->Label.setValue(fi.fileNamePure());
+        this->Uid.touch(); // this forces a rename of the transient directory
+        bool result = save();
+        this->FileName.setValue(originalFileName);
+        this->Label.setValue(originalLabel);
+        this->Uid.touch();
+        return result;
+    }
+    return false;
+}
+
 // Save the document under the name it has been opened
 bool Document::save (void)
 {

src/App/Document.h

@@ -139,6 +139,7 @@ public:
     /// Save the document to the file in Property Path
     bool save (void);
     bool saveAs(const char* file);
+    bool saveCopy(const char* file);
     /// Restore the document from the file in Property Path
     void restore (void);
     void exportObjects(const std::vector<App::DocumentObject*>&, std::ostream&);

src/App/DocumentPy.xml

@@ -23,6 +23,11 @@
         <UserDocu>Save the document under a new name to disk</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="saveCopy">
+      <Documentation>
+        <UserDocu>Save a copy of the document under a new name to disk</UserDocu>
+      </Documentation>
+    </Methode>
     <Methode Name="load">
       <Documentation>
         <UserDocu>Load the document from the given path</UserDocu>

src/App/DocumentPyImp.cpp

@@ -88,6 +88,25 @@ PyObject*  DocumentPy::saveAs(PyObject * args)
     Py_Return;
 }
 
+PyObject*  DocumentPy::saveCopy(PyObject * args)
+{
+    char* fn;
+    if (!PyArg_ParseTuple(args, "s", &fn))     // convert args: Python->C 
+        return NULL;                    // NULL triggers exception 
+    if (!getDocumentPtr()->saveCopy(fn)) {
+        PyErr_Format(PyExc_ValueError, "Object attribute 'FileName' is not set");
+        return NULL;
+    }
+
+    Base::FileInfo fi(fn);
+    if (!fi.isReadable()) {
+        PyErr_Format(PyExc_IOError, "No such file or directory: '%s'", fn);
+        return NULL;
+    }
+
+    Py_Return;
+}
+
 PyObject*  DocumentPy::load(PyObject * args)
 {
     char* filename=0;

src/Gui/CommandDoc.cpp

@@ -476,6 +476,38 @@ bool StdCmdSaveAs::isActive(void)
     return getGuiApplication()->sendHasMsgToActiveView("SaveAs");
 }
 
+//===========================================================================
+// Std_SaveCopy
+//===========================================================================
+DEF_STD_CMD_A(StdCmdSaveCopy);
+
+StdCmdSaveCopy::StdCmdSaveCopy()
+  :Command("Std_SaveCopy")
+{
+  sGroup        = QT_TR_NOOP("File");
+  sMenuText     = QT_TR_NOOP("Save a &Copy...");
+  sToolTipText  = QT_TR_NOOP("Save a copy of the active document under a new file name");
+  sWhatsThis    = "Std_SaveCopy";
+  sStatusTip    = QT_TR_NOOP("Save a copy of the active document under a new file name");
+  //sPixmap       = "document-save-as";
+}
+
+void StdCmdSaveCopy::activated(int iMsg)
+{
+#if 0
+  Gui::Document* pActiveDoc = getActiveGuiDocument();
+  if ( pActiveDoc )
+    pActiveDoc->saveCopy();
+  else
+#endif
+    doCommand(Command::Gui,"Gui.SendMsgToActiveView(\"SaveCopy\")");
+}
+
+bool StdCmdSaveCopy::isActive(void)
+{
+  return ( getActiveGuiDocument() ? true : false );
+}
+
 //===========================================================================
 // Std_Revert
 //===========================================================================
@@ -1327,6 +1359,7 @@ void CreateDocCommands(void)
 
     rcCmdMgr.addCommand(new StdCmdSave());
     rcCmdMgr.addCommand(new StdCmdSaveAs());
+    rcCmdMgr.addCommand(new StdCmdSaveCopy());
     rcCmdMgr.addCommand(new StdCmdRevert());
     rcCmdMgr.addCommand(new StdCmdProjectInfo());
     rcCmdMgr.addCommand(new StdCmdProjectUtil());

src/Gui/Document.cpp

@@ -644,6 +644,33 @@ bool Document::saveAs(void)
     }
 }
 
+/// Save a copy of the document under a new file name
+bool Document::saveCopy(void)
+{
+    getMainWindow()->showMessage(QObject::tr("Save a copy of the document under new filename..."));
+
+    QString exe = qApp->applicationName();
+    QString fn = FileDialog::getSaveFileName(getMainWindow(), QObject::tr("Save %1 Document").arg(exe), 
+                                             QString(), QObject::tr("%1 document (*.FCStd)").arg(exe));
+    if (!fn.isEmpty()) {
+        QFileInfo fi;
+        fi.setFile(fn);
+
+        const char * DocName = App::GetApplication().getDocumentName(getDocument());
+
+        // save as new file name
+        Gui::WaitCursor wc;
+        Command::doCommand(Command::Doc,"App.getDocument(\"%s\").saveCopy(\"%s\")"
+                                       , DocName, (const char*)fn.toUtf8());
+
+        return true;
+    }
+    else {
+        getMainWindow()->showMessage(QObject::tr("Saving aborted"), 2000);
+        return false;
+    }
+}
+
 unsigned int Document::getMemSize (void) const
 {
     unsigned int size = 0;

src/Gui/Document.h

@@ -120,6 +120,8 @@ public:
     bool save(void);
     /// Save the document under a new file name
     bool saveAs(void);
+    /// Save a copy of the document under a new file name
+    bool saveCopy(void);
     /// This method is used to save properties or very small amounts of data to an XML document.
     virtual void Save (Base::Writer &writer) const;
     /// This method is used to restore properties from an XML document.

src/Gui/View3DInventor.cpp

@@ -701,6 +701,10 @@ bool View3DInventor::onMsg(const char* pMsg, const char** ppReturn)
         getGuiDocument()->saveAs();
         return true;
     }
+    else if (strcmp("SaveCopy",pMsg) == 0) {
+        getGuiDocument()->saveCopy();
+        return true;
+    }
     else
         return false;
 }
@@ -711,6 +715,8 @@ bool View3DInventor::onHasMsg(const char* pMsg) const
         return true;
     else if (strcmp("SaveAs",pMsg) == 0)
         return true;
+    else if (strcmp("SaveCopy",pMsg) == 0)
+        return true;
     else if (strcmp("Undo",pMsg) == 0) {
         App::Document* doc = getAppDocument();
         return doc && doc->getAvailableUndos() > 0;

src/Gui/Workbench.cpp

@@ -468,8 +468,8 @@ MenuItem* StdWorkbench::setupMenuBar() const
     file->setCommand("&File");
     *file << "Std_New" << "Std_Open" << "Separator" << "Std_CloseActiveWindow"
           << "Std_CloseAllWindows" << "Separator" << "Std_Save" << "Std_SaveAs"
-          << "Std_Revert" << "Separator" << "Std_Import" << "Std_Export" 
-          << "Std_MergeProjects" << "Std_ProjectInfo" 
+          << "Std_SaveCopy" << "Std_Revert" << "Separator" << "Std_Import" 
+          << "Std_Export" << "Std_MergeProjects" << "Std_ProjectInfo" 
           << "Separator" << "Std_Print" << "Std_PrintPreview" << "Std_PrintPdf"
           << "Separator" << "Std_RecentFiles" << "Separator" << "Std_Quit";