tailbone/tailbone/grids/alchemy.py
Lance Edgar 2a50e704ef Major overhaul for standalone operation.
This removes some of the `edbob` reliance, as well as borrowing some templates
and styling etc. from Dtail.
2013-09-01 15:31:50 -07:00

123 lines
3.8 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2012 Lance Edgar
#
# This file is part of Rattail.
#
# Rattail is free software: you can redistribute it and/or modify it under the
# terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# Rattail 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 Affero General Public License for
# more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
FormAlchemy Grid Classes
"""
from webhelpers.html import tags
from webhelpers.html import HTML
import formalchemy
import edbob
from edbob.util import prettify
from .core import Grid
from ..db import Session
from sqlalchemy.orm import object_session
__all__ = ['AlchemyGrid']
class AlchemyGrid(Grid):
sort_map = {}
pager = None
pager_format = '$link_first $link_previous ~1~ $link_next $link_last'
def __init__(self, request, cls, instances, **kwargs):
super(AlchemyGrid, self).__init__(request, **kwargs)
self._formalchemy_grid = formalchemy.Grid(
cls, instances, session=Session(), request=request)
self._formalchemy_grid.prettify = prettify
def __delattr__(self, attr):
delattr(self._formalchemy_grid, attr)
def __getattr__(self, attr):
return getattr(self._formalchemy_grid, attr)
def cell_class(self, field):
classes = [field.name]
return ' '.join(classes)
def checkbox(self, row):
return tags.checkbox('check-'+row.uuid)
def column_header(self, field):
class_ = None
label = field.label()
if field.key in self.sort_map:
class_ = 'sortable'
if field.key == self.config['sort']:
class_ += ' sorted ' + self.config['dir']
label = tags.link_to(label, '#')
return HTML.tag('th', class_=class_, field=field.key,
title=self.column_titles.get(field.key), c=label)
def view_route_kwargs(self, row):
return {'uuid': row.uuid}
def edit_route_kwargs(self, row):
return {'uuid': row.uuid}
def delete_route_kwargs(self, row):
return {'uuid': row.uuid}
def iter_fields(self):
return self._formalchemy_grid.render_fields.itervalues()
def iter_rows(self):
for row in self._formalchemy_grid.rows:
self._formalchemy_grid._set_active(row, object_session(row))
yield row
def page_count_options(self):
options = edbob.config.get('edbob.pyramid', 'grid.page_count_options')
if options:
options = options.split(',')
options = [int(x.strip()) for x in options]
else:
options = [5, 10, 20, 50, 100]
return options
def page_links(self):
return self.pager.pager(self.pager_format,
symbol_next='next',
symbol_previous='prev',
onclick="grid_navigate_page(this, '$partial_url'); return false;")
def render_field(self, field):
if self._formalchemy_grid.readonly:
return field.render_readonly()
return field.render()
def row_attrs(self, row, i):
attrs = super(AlchemyGrid, self).row_attrs(row, i)
if hasattr(row, 'uuid'):
attrs['uuid'] = row.uuid
return attrs