MultiItemsWidget should have at least one child in order to produce valid...

MultiItemsWidget should have at least one child in order to produce valid XHTML which should be disabled so user can not select it.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23074 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/FormulatorPatch.py

@@ -712,6 +712,12 @@ def MultiItemsWidget_render_items(self, field, key, value, REQUEST, render_prefi
   css_class = field.get_value('css_class')
   extra_item = field.get_value('extra_item')
   rendered_items = []
+  
+  # multi items widget should have at least one child in order to produce 
+  # valid XHTML disable it so user can not select it
+  if not len(items) :
+    return [self.render_item('','', '', '', 'disabled="1"')]
+ 
   for item in items:
       try:
           item_text, item_value = item
@@ -736,7 +742,6 @@ def MultiItemsWidget_render_items(self, field, key, value, REQUEST, render_prefi
                key,
                css_class,
                extra_item)
-
       rendered_items.append(rendered_item)
 
   # XXX We want to make sure that we always have the current value in items. -yo