Export object dependencies to graphviz file

src/App/Document.cpp

@@ -847,6 +847,31 @@ unsigned int Document::getMemSize (void) const
     return size;
 }
 
+void Document::exportGraphviz(std::ostream& out)
+{
+    std::vector<std::string> names;
+    names.reserve(d->objectMap.size());
+    DependencyList DepList;
+    std::map<DocumentObject*,Vertex> VertexObjectList;
+
+    // Filling up the adjacency List
+    for (std::map<std::string,DocumentObject*>::const_iterator It = d->objectMap.begin(); It != d->objectMap.end();++It) {
+        // add the object as Vertex and remember the index
+        VertexObjectList[It->second] = add_vertex(DepList);
+        names.push_back(It->second->Label.getValue());
+    }
+    // add the edges
+    for (std::map<std::string,DocumentObject*>::const_iterator It = d->objectMap.begin(); It != d->objectMap.end();++It) {
+        std::vector<DocumentObject*> OutList = It->second->getOutList();
+        for (std::vector<DocumentObject*>::const_iterator It2=OutList.begin();It2!=OutList.end();++It2) {
+            if (*It2)
+                add_edge(VertexObjectList[It->second],VertexObjectList[*It2],DepList);
+        }
+    }
+
+    boost::write_graphviz(out, DepList, boost::make_label_writer(&(names[0])));
+}
+
 // Save the document under the name it has been opened
 bool Document::save (void)
 {

src/App/Document.h

@@ -114,6 +114,7 @@ public:
     /// Restore the document from the file in Property Path
     void restore (void);
     void exportObjects(const std::vector<App::DocumentObject*>&, std::ostream&);
+    void exportGraphviz(std::ostream&);
     std::vector<App::DocumentObject*> importObjects(std::istream&);
     /// Opens the document from its file name
     //void open (void);

src/App/DocumentPy.xml

@@ -23,6 +23,11 @@
         <UserDocu>Restore the document from disc</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="exportGraphviz">
+      <Documentation>
+        <UserDocu>Export the dependencies of the objects as graph</UserDocu>
+      </Documentation>
+    </Methode>
     <Methode Name="openTransaction">
       <Documentation>
         <UserDocu>Open a new Undo/Redo transaction.</UserDocu>

src/App/DocumentPyImp.cpp

@@ -92,6 +92,25 @@ PyObject*  DocumentPy::restore(PyObject * args)
     Py_Return;
 }
 
+PyObject*  DocumentPy::exportGraphviz(PyObject * args)
+{
+    char* fn=0;
+    if (!PyArg_ParseTuple(args, "|s",&fn))     // convert args: Python->C 
+        return NULL;                    // NULL triggers exception 
+    if (fn) {
+        Base::FileInfo fi(fn);
+        Base::ofstream str(fi);
+        getDocumentPtr()->exportGraphviz(str);
+        str.close();
+        Py_Return;
+    }
+    else {
+        std::stringstream str;
+        getDocumentPtr()->exportGraphviz(str);
+        return PyString_FromString(str.str().c_str());
+    }
+}
+
 PyObject*  DocumentPy::addObject(PyObject *args)
 {
     char *sType,*sName=0;

src/Gui/CommandDoc.cpp

@@ -24,12 +24,16 @@
 #include "PreCompiled.h"
 #ifndef _PreComp_
 # include <QClipboard>
+# include <QEventLoop>
 # include <QStatusBar>
 # include <QPointer>
+# include <QProcess>
+# include <sstream>
 #endif
 #include <algorithm>
 
 #include <Base/Exception.h>
+#include <Base/FileInfo.h>
 #include <Base/Interpreter.h>
 #include <Base/Sequencer.h>
 #include <App/Document.h>
@@ -311,6 +315,77 @@ bool StdCmdMergeProjects::isActive(void)
     return this->hasActiveDocument();
 }
 
+//===========================================================================
+// Std_ExportGraphviz
+//===========================================================================
+
+DEF_STD_CMD_A(StdCmdExportGraphviz);
+
+StdCmdExportGraphviz::StdCmdExportGraphviz()
+  : Command("Std_ExportGraphviz")
+{
+    // seting the
+    sGroup        = QT_TR_NOOP("Tools");
+    sMenuText     = QT_TR_NOOP("Dependency graph...");
+    sToolTipText  = QT_TR_NOOP("Show the dependency graph of the objects in the active document");
+    sStatusTip    = QT_TR_NOOP("Show the dependency graph of the objects in the active document");
+    sWhatsThis    = "Std_ExportGraphviz";
+    eType         = 0;
+}
+
+void StdCmdExportGraphviz::activated(int iMsg)
+{
+    App::Document* doc = App::GetApplication().getActiveDocument();
+    Base::FileInfo fi(Base::FileInfo::getTempFileName());
+    Base::ofstream str(fi);
+    doc->exportGraphviz(str);
+    str.close();
+
+    Base::FileInfo out(Base::FileInfo::getTempFileName());
+    QProcess proc;
+    QEventLoop loop;
+    QObject::connect(&proc, SIGNAL(finished(int, QProcess::ExitStatus)), 
+                     &loop, SLOT(quit()));
+    QStringList args;
+    args << QLatin1String("-Tpng") << QString::fromUtf8(fi.filePath().c_str())
+         << QLatin1String("-o") << QString::fromUtf8(out.filePath().c_str());
+    QString exe = QLatin1String("dot");
+    QStringList env = QProcess::systemEnvironment();
+    proc.setEnvironment(env);
+    proc.start(exe, args);
+    if (proc.state() == QProcess::Running) {
+        loop.exec();
+        fi.deleteFile();
+    }
+    else {
+        QMessageBox::warning(getMainWindow(),
+            qApp->translate("Std_ExportGraphviz","Graphviz not found"),
+            qApp->translate("Std_ExportGraphviz","Graphviz couldn't be found on your system"));
+        fi.deleteFile();
+        return;
+    }
+
+    if (out.exists()) {
+        QPixmap px(QString::fromUtf8(out.filePath().c_str()), "PNG");
+        out.deleteFile();
+        QLabel* label = new QLabel(0);
+        label->setAttribute(Qt::WA_DeleteOnClose);
+        label->setPixmap(px);
+        label->resize(px.size());
+        label->show();
+    }
+    else {
+        QMessageBox::warning(getMainWindow(),
+            qApp->translate("Std_ExportGraphviz","Graphviz failed"),
+            qApp->translate("Std_ExportGraphviz","Graphviz failed to create an image file"));
+    }
+}
+
+bool StdCmdExportGraphviz::isActive(void)
+{
+    return (getActiveGuiDocument() ? true : false);
+}
+
 //===========================================================================
 // Std_New
 //===========================================================================
@@ -1126,6 +1201,7 @@ void CreateDocCommands(void)
     rcCmdMgr.addCommand(new StdCmdImport());
     rcCmdMgr.addCommand(new StdCmdExport());
     rcCmdMgr.addCommand(new StdCmdMergeProjects());
+    rcCmdMgr.addCommand(new StdCmdExportGraphviz());
 
     rcCmdMgr.addCommand(new StdCmdSave());
     rcCmdMgr.addCommand(new StdCmdSaveAs());

src/Gui/Workbench.cpp

@@ -490,8 +490,9 @@ MenuItem* StdWorkbench::setupMenuBar() const
     MenuItem* tool = new MenuItem( menuBar );
     tool->setCommand("&Tools");
     *tool << "Std_DlgParameter" << "Separator"
-          << "Std_ViewScreenShot" << "Std_SceneInspector" << "Std_DemoMode" 
-          << "Separator" << "Std_DlgCustomize";
+          << "Std_ViewScreenShot" << "Std_SceneInspector" 
+          << "Std_ExportGraphviz" << "Std_ProjectUtil"
+          << "Std_DemoMode" << "Separator" << "Std_DlgCustomize";
 
     // Macro
     MenuItem* macro = new MenuItem( menuBar );

src/Mod/Complete/Gui/Workbench.cpp

@@ -183,7 +183,8 @@ Gui::MenuItem* Workbench::setupMenuBar() const
           << "Std_DlgMacroRecord" << "Std_MacroStopRecord"
           << "Std_DlgMacroExecute" << "Std_DlgMacroExecuteDirect"
           << "Separator" << "Std_ViewScreenShot" << "Std_SceneInspector"
-          << "Std_ProjectUtil" << "Std_DemoMode" << "Separator" << "Std_DlgCustomize";
+          << "Std_ExportGraphviz" << "Std_ProjectUtil"
+          << "Std_DemoMode" << "Separator" << "Std_DlgCustomize";
 
     // Mesh ****************************************************************************************************
     Gui::MenuItem* mesh = new Gui::MenuItem( menuBar );