--- a/src/browser/sat_browser/libervia_widget.py	Wed Nov 11 11:49:32 2015 +0100
+++ b/src/browser/sat_browser/libervia_widget.py	Tue Nov 17 19:59:14 2015 +0100
@@ -158,19 +158,7 @@
         """
         self.removeStyleName('dragover')
         DOM.eventPreventDefault(event)
-        dt = event.dataTransfer
-        # 'text', 'text/plain', and 'Text' are equivalent.
-        try:
-            item, item_type = dt.getData("text/plain").split('\n')  # Workaround for webkit, only text/plain seems to be managed
-            if item_type and item_type[-1] == '\0':  # Workaround for what looks like a pyjamas bug: the \0 should not be there, and
-                item_type = item_type[:-1]           # .strip('\0') and .replace('\0','') don't work. TODO: check this and fill a bug report
-            # item_type = dt.getData("type")
-            log.debug(u"message: %s" % item)
-            log.debug(u"type: %s" % item_type)
-        except:
-            log.debug("no message found")
-            item = ' '
-            item_type = None
+        item, item_type = eventGetData(event)
         if item_type == "WIDGET":
             if not LiberviaDragWidget.current:
                 log.error("No widget registered in LiberviaDragWidget !")
@@ -282,21 +270,7 @@
             # the widget comes from the same tab, so nothing to do, we let it there
             return
 
-        # FIXME: quite the same stuff as in DropCell, need some factorisation
-        dt = event.dataTransfer
-        # 'text', 'text/plain', and 'Text' are equivalent.
-        try:
-            item, item_type = dt.getData("text/plain").split('\n')  # Workaround for webkit, only text/plain seems to be managed
-            if item_type and item_type[-1] == '\0':  # Workaround for what looks like a pyjamas bug: the \0 should not be there, and
-                item_type = item_type[:-1]           # .strip('\0') and .replace('\0','') don't work. TODO: check this and fill a bug report
-            # item_type = dt.getData("type")
-            log.debug(u"message: %s" % item)
-            log.debug(u"type: %s" % item_type)
-        except:
-            log.debug("no message found")
-            item = ' '
-            item_type = None
-
+        item, item_type = eventGetData(event)
         if item_type == "WIDGET":
             if not LiberviaDragWidget.current:
                 log.error("No widget registered in LiberviaDragWidget !")
@@ -813,3 +787,24 @@
             self.tabBar.addStyleDependentName('oneTab')
             self.host.resize()
         self.selectTab(widget_index if widget_index < widgets_count else widgets_count - 1)
+
+
+def eventGetData(event):
+    """Retrieve the event data.
+
+    @param event(EventObject)
+    @return tuple: (event_text, event_type)
+    """
+    dt = event.dataTransfer
+    # 'text', 'text/plain', and 'Text' are equivalent.
+    try:
+        item, item_type = dt.getData("text/plain").split('\n')  # Workaround for webkit, only text/plain seems to be managed
+        if item_type and item_type[-1] == '\0':  # Workaround for what looks like a pyjamas bug: the \0 should not be there, and
+            item_type = item_type[:-1]           # .strip('\0') and .replace('\0','') don't work. TODO: check this and fill a bug report
+        # item_type = dt.getData("type")
+        log.debug(u"event data: %s (type %s)" % (item, item_type))
+    except:
+        log.debug("event data not found")
+        item = '&nbsp;'
+        item_type = None
+    return item, item_type