## $Id$
##
## Copyright (C) 2012 Uli Fouquet & Henrik Bettermann
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##
"""An improved sequence widget.

We provide a sequence widget that better suits our needs layout-wise
than the default implementation from zope.formlib.
"""
import grok
from zope.browserpage import ViewPageTemplateFile
from zope.formlib.interfaces import IInputWidget
from zope.formlib.widgets import ListSequenceWidget
from zope.publisher.interfaces.browser import IBrowserRequest
from zope.schema.interfaces import IField, IList

class SIRPSequenceWidget(ListSequenceWidget):
    """A sequence widget for lists.

    This is basically a plain copy from zope.formlib. We have,
    however, the possibility to tweak the attached template.
    """
    template = ViewPageTemplateFile('sequencewidget.pt')


# Register our sequence widget as default for lists.
@grok.adapter(IList, IField, IBrowserRequest)
@grok.implementer(IInputWidget)
def seq_input_widget(obj, field, req, *args, **kw):
    return SIRPSequenceWidget(obj, field, req, *args, **kw)