move mesh export formats from ngappinit to Tcl-script

ng/menustat.tcl

@@ -244,6 +244,8 @@ loadmeshinifile;
     }
 
 
+set meshexportformats [Ng_GetExportFormats]
+
 .ngmenu.file add command -label "Export Mesh..." \
     -command {
 
@@ -262,7 +264,10 @@ loadmeshinifile;
 	    set file [file nativename [tk_chooseDirectory -title "OpenFOAM 1.5+ Mesh Export - Select Case Directory"]]
         } else {
             # set file [tk_getSaveFile  -filetypes "{ \"$exportfiletype\" {$extension} }" ]
-	    set file [tk_getSaveFile  -filetypes "{ \"$exportfiletype\" {*}}" ]
+	    # set file [tk_getSaveFile  -filetypes "{ \"$exportfiletype\" {*}}" ]
+            set file [tk_getSaveFile  -filetypes $meshexportformats -typevariable exportfiletype]
+            puts "type = $exportfiletype"
+            puts "filename = $file"
 	}
 
 	if {$file != ""} {
@@ -271,9 +276,12 @@ loadmeshinifile;
     }
 
 .ngmenu.file add cascade -label "Export Filetype" -menu .ngmenu.file.filetype 
-
 menu .ngmenu.file.filetype 
 
+foreach exportformat $meshexportformats {
+    .ngmenu.file.filetype add radio -label [lindex $exportformat 0] -variable exportfiletype -command { .ngmenu.file invoke "Export Mesh..." }
+}
+
 
 .ngmenu.file add separator
 

ng/ngappinit.cpp

@@ -250,7 +250,7 @@ int main(int argc, char ** argv)
           exit (1);
         }
 
-
+      /*
       // lookup user file formats and insert into format list:
       NgArray<const char*> userformats;
       NgArray<const char*> extensions;
@@ -262,13 +262,13 @@ int main(int argc, char ** argv)
       for (int i = 1; i <= userformats.Size(); i++)
 	{
 	  fstr << ".ngmenu.file.filetype add radio -label \"" 
-	       << userformats.Get(i) << "\" -variable exportfiletype\n";
+	       << userformats.Get(i) << "\" -variable exportfiletype -command { .ngmenu.file invoke \"Export Mesh...\" } \n";
 	  fstr << "lappend meshexportformats { {" << userformats.Get(i) << "} {" << extensions.Get(i) << "} }\n";
 	}
 
         Tcl_Eval (myinterp, (char*)fstr.str().c_str());
       Tcl_SetVar (myinterp, "exportfiletype", exportft, 0);
-
+      */
 
 #ifdef SOCKETS
       Ng_ServerSocketManagerRun();

ng/ngpkg.cpp

@@ -346,7 +346,21 @@ namespace netgen
   }
 
 
+  int Ng_GetExportFormats (ClientData clientData,
+                           Tcl_Interp * interp,
+                           int argc, tcl_const char *argv[])
+  {
+    NgArray<const char*> userformats;
+    NgArray<const char*> extensions;
+    RegisterUserFormats (userformats, extensions);
     
+    ostringstream fstr;
+    for (int i = 1; i <= userformats.Size(); i++)
+      fstr << "{ {" << userformats.Get(i) << "} {" << extensions.Get(i) << "} }\n";
+    
+    Tcl_SetResult (interp, const_cast<char*>(fstr.str().c_str()), TCL_VOLATILE);
+    return TCL_OK;
+  }
 
 
   int Ng_ExportMesh (ClientData clientData,
@@ -2815,6 +2829,10 @@ void PlayAnimFile(const char* name, int speed, int maxcnt)
 		       (ClientData)NULL,
 		       (Tcl_CmdDeleteProc*) NULL);
 
+    Tcl_CreateCommand (interp, "Ng_GetExportFormats", Ng_GetExportFormats,
+		       (ClientData)NULL,
+		       (Tcl_CmdDeleteProc*) NULL);
+
     Tcl_CreateCommand (interp, "Ng_ExportMesh", Ng_ExportMesh,
 		       (ClientData)NULL,
 		       (Tcl_CmdDeleteProc*) NULL);

ng/onetcl.cpp

@@ -872,6 +872,7 @@ const char * ngscript[] = {""
 ,"Ng_ReadStatus;\n"
 ,"}\n"
 ,"}\n"
+,"set meshexportformats [Ng_GetExportFormats]\n"
 ,".ngmenu.file add command -label \"Export Mesh...\" \\\n"
 ,"-command {\n"
 ,"foreach exportformat $meshexportformats {\n"
@@ -886,7 +887,9 @@ const char * ngscript[] = {""
 ,"} elseif { $exportfiletype == \"OpenFOAM 1.5+ Compressed\"} {\n"
 ,"set file [file nativename [tk_chooseDirectory -title \"OpenFOAM 1.5+ Mesh Export - Select Case Directory\"]]\n"
 ,"} else {\n"
-,"set file [tk_getSaveFile  -filetypes \"{ \\\"$exportfiletype\\\" {*}}\" ]\n"
+,"set file [tk_getSaveFile  -filetypes $meshexportformats -typevariable exportfiletype]\n"
+,"puts \"type = $exportfiletype\"\n"
+,"puts \"filename = $file\"\n"
 ,"}\n"
 ,"if {$file != \"\"} {\n"
 ,"Ng_ExportMesh $file $exportfiletype\n"
@@ -894,6 +897,9 @@ const char * ngscript[] = {""
 ,"}\n"
 ,".ngmenu.file add cascade -label \"Export Filetype\" -menu .ngmenu.file.filetype\n"
 ,"menu .ngmenu.file.filetype\n"
+,"foreach exportformat $meshexportformats {\n"
+,".ngmenu.file.filetype add radio -label [lindex $exportformat 0] -variable exportfiletype -command { .ngmenu.file invoke \"Export Mesh...\" }\n"
+,"}\n"
 ,".ngmenu.file add separator\n"
 ,".ngmenu.file add command -label \"Save Solution...\" \\\n"
 ,"-command {\n"