Pman.Tab.MTrackMerger.js

diff --git a/Pman.Tab.MTrackMerger.js b/Pman.Tab.MTrackMerger.js
index bcb4057..26a1069 100644 (file)
--- a/Pman.Tab.MTrackMerger.js
+++ b/Pman.Tab.MTrackMerger.js
@@ -281,7 +281,10 @@ Pman.Tab.MTrackMerger = new Roo.util.Observable({
                                                
                                                });
                                                
-                                               
+                                               if (!files.length) {
+                                                        Roo.MessageBox.alert("Error", "select some files");
+                                                  return ;
+                                               }
                                                 
                                             
                                                 Roo.MessageBox.show({