Applied [ 520664 ] filedlg patch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14466 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/filedlg.cpp

@@ -259,12 +259,13 @@ int wxFileDialog::ShowModal()
     {
         msw_flags |= OFN_NOCHANGEDIR;
     }
-
+/* chris elliott for some reason this does not work usefully if no extension
+   is given, as it test for junk instead of junk.ext
     if ( m_dialogStyle & wxOVERWRITE_PROMPT )
     {
         msw_flags |= OFN_OVERWRITEPROMPT;
     }
-
+*/
     OPENFILENAME of;
     wxZeroMemory(of);
 
@@ -492,6 +493,18 @@ int wxFileDialog::ShowModal()
             m_fileNames.Add(m_fileName);
             m_dir = wxPathOnly(fileNameBuffer);
         }
+        //=== Simulating the wxOVERWRITE_PROMPT >>============================
+        //should we also test for file save style ??
+        if ( (m_dialogStyle & wxOVERWRITE_PROMPT) &&
+             ::wxFileExists( fileNameBuffer ) )
+             {
+             wxString messageText;
+             messageText.Printf(_("File '%s' already exists.\nDo you want to replace it?"), fileNameBuffer);
+             if ( wxMessageBox(messageText, wxT("Save File As"), wxYES_NO | wxICON_EXCLAMATION	 ) != wxYES )
+             {
+                 success = FALSE;
+             }            
+        }
     }
     else
     {