--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/component/extfile/zmi/widget.py	Wed Oct 17 14:40:14 2018 +0200
@@ -0,0 +1,49 @@
+#
+# Copyright (c) 2008-2018 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+
+__docformat__ = 'restructuredtext'
+
+from z3c.form.browser.text import TextWidget
+from z3c.form.widget import FieldWidget
+
+from pyams_content.component.extfile.interfaces import IExtFileManagerInfo
+from pyams_form.interfaces import IFormLayer
+from pyams_form.widget import widgettemplate_config
+from pyams_i18n.interfaces import II18n
+from pyams_i18n.widget import I18nTextLineWidget
+
+
+@widgettemplate_config(mode='input', template='templates/extfile-title-input.pt', layer=IFormLayer)
+@widgettemplate_config(mode='display', template='templates/extfile-title-display.pt', layer=IFormLayer)
+class ExtFileTitleWidget(TextWidget):
+    """External file title widget"""
+
+    @property
+    def prefix(self):
+        manager_info = IExtFileManagerInfo(self.request.root, None)
+        if manager_info is not None:
+            lang = getattr(self, 'lang', None)  # I18n widget
+            if lang is not None:
+                return manager_info.default_title_prefix.get(lang, '') or ''
+        return II18n(manager_info).query_attribute('default_title_prefix', request=self.request) or ''
+
+
+def ExtFileTitleFieldWidget(field, request):
+    """External file title widget factory"""
+    return FieldWidget(field, ExtFileTitleWidget(request))
+
+
+def I18nExtFileTitleFieldWidget(field, request):
+    """I18n external file title widget factory"""
+    widget = I18nTextLineWidget(request)
+    widget.widget_factory = ExtFileTitleFieldWidget
+    return FieldWidget(field, widget)