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from trac.core import *
from trac.web.api import IRequestFilter, IRequestHandler, ITemplateStreamFilter
from trac.web.chrome import ITemplateProvider, add_script, add_stylesheet
from trac.ticket.api import ITicketManipulator
from trac.config import Option, IntOption, BoolOption, ListOption
from genshi.builder import tag
from genshi.filters.transform import Transformer
import time
from traceback import format_exc
import re
class DateFieldModule(Component):
"""A module providing a JS date picker for custom fields."""
date_format = Option('datefield', 'format', default='dmy',
doc='The format to use for dates. Valid values are dmy, mdy, and ymd.')
first_day = IntOption('datefield', 'first_day', default=0,
doc='First day of the week. 0 == Sunday.')
date_sep = Option('datefield', 'separator', default='/',
doc='The separator character to use for dates.')
show_week = BoolOption('datefield', 'weeknumbers', default='false',
doc='Show ISO8601 week number in calendar?')
show_panel = BoolOption('datefield', 'panel', default='false',
doc='Show button panel at bottom? (Today, Done)')
change_month = BoolOption('datefield', 'change_month', default='false',
doc='Show a month dropdown in datepicker?')
change_year = BoolOption('datefield', 'change_year', default='false',
doc='Show a year dropdown in datepicker?')
num_months = IntOption('datefield', 'months', default='1',
doc='Number of months visible in datepicker')
match_req = ListOption('datefield', 'match_request', default='',
doc='Additional request paths to match (use input class="datepick")')
use_milestone = BoolOption('datefield', 'milestone', default='false',
doc="""Use datepicker for milestone due/completed fields?
If you turn this on, you must use MM/DD/YYYY for the date format.
Set format to mdy and separator to / (default=Off)""")
implements(IRequestFilter, IRequestHandler, ITemplateProvider, \
ITicketManipulator, ITemplateStreamFilter)
# IRequestHandler methods
def match_request(self, req):
return req.path_info.startswith('/datefield')
def process_request(self, req):
# Use get to handle default format
format = {
'dmy': 'dd%smm%syy',
'mdy': 'mm%sdd%syy',
'ymd': 'yy%smm%sdd'
}.get(self.date_format, 'dd%smm%syy')%(self.date_sep, self.date_sep)
data = {}
data['calendar'] = req.href.chrome('common', 'ics.png')
data['format'] = format
data['first_day'] = self.first_day
data['show_week'] = self.show_week
data['show_panel'] = self.show_panel
data['change_month'] = self.change_month
data['change_year'] = self.change_year
data['num_months'] = self.num_months
return 'datefield.html', {'data': data},'text/javascript'
# ITemplateStreamFilter methods
def filter_stream(self, req, method, filename, stream, data):
def attr_callback(name, event):
attrs = event[1][1]
return ' '.join(filter(None, (attrs.get('class'), 'datepick')))
if filename == 'ticket.html':
for field in list(self._date_fields()):
stream = stream | Transformer(
'//input[@name="field_' + field + '"]'
).attr('class', attr_callback)
elif self.use_milestone and filename in ('milestone_edit.html',
'admin_milestones.html'):
for field in ('duedate', 'completeddate'):
stream = stream | Transformer(
'//input[@name="' + field + '"]'
).attr('class', attr_callback)
return stream
# IRequestFilter methods
def pre_process_request(self, req, handler):
return handler
def post_process_request(self, req, template, data, content_type):
mine = ['/newticket', '/ticket', '/simpleticket']
if self.use_milestone:
mine.append('/milestone')
mine.append('/admin/ticket/milestones')
match = False
for target in mine + self.match_req:
if req.path_info.startswith(target):
match = True
break
if match:
add_script(req, 'datefield/js/jquery-ui.js')
# virtual script
add_script(req, '/datefield/datefield.js')
add_stylesheet(req, 'datefield/css/jquery-ui.css')
add_stylesheet(req, 'datefield/css/ui.datepicker.css')
return template, data, content_type
# ITemplateProvider methods
def get_htdocs_dirs(self):
from pkg_resources import resource_filename
return [('datefield', resource_filename(__name__, 'htdocs'))]
def get_templates_dirs(self):
from pkg_resources import resource_filename
return [resource_filename(__name__, 'templates')]
# ITicketManipulator methods
def prepare_ticket(self, req, ticket, fields, actions):
pass
def validate_ticket(self, req, ticket): # dmy mdy ymd
for field in self._date_fields():
try:
val = (ticket[field] or u'').strip()
if not val and self.config['ticket-custom'].getbool(field+'.date_empty', default=False):
continue
if self.date_sep and len(self.date_sep.strip()) > 0:
if len(val.split(self.date_sep)) != 3:
raise Exception # Token exception to force failure
else:
if re.match('.*[^\d].*', val.strip()):
raise Exception
format = self.date_sep.join(['%'+c for c in self.date_format])
try:
time.strptime(val, format)
except ValueError:
time.strptime(val, format.replace('y', 'Y'))
except Exception:
self.log.warn('DateFieldModule: Got an exception, assuming it is a validation failure.\n'+format_exc())
yield field, 'Field %s does not seem to look like a date. The correct format is %s.' % \
(field, self.date_sep.join([c.upper()*(c=='y' and 4 or 2) for c in self.date_format]))
# Internal methods
def _date_fields(self):
# XXX: Will this work when there is no ticket-custom section? <NPK>
for key, value in self.config['ticket-custom'].options():
if key.endswith('.date'):
yield key.split('.', 1)[0]
class CustomFieldAdminTweak(Component):
implements(ITemplateStreamFilter, IRequestFilter)
def pre_process_request(self, req, handler):
if req.method == "POST" and req.href.endswith(u"/admin/ticket/customfields"):
if req.args.get('type') == 'date':
req.args['type'] = 'text'
self.config.set('ticket-custom', '%s.date'%(req.args.get('name')), 'true')
self.config.set('ticket-custom', '%s.date_empty'%(req.args.get('name')), req.args.get('date_empty', 'false'))
return handler
def post_process_request(self, template, content_type):
return (template, content_type)
def filter_stream(self, req, method, filename, stream, data):
if filename == "customfieldadmin.html":
add_script(req, 'datefield/js/customfield-admin.js')
add_stylesheet(req, 'datefield/css/customfield-admin.css')
stream = stream | Transformer('.//select[@id="type"]').append(
tag.option('Date', value='date', id="date_type_option")
)
stream = stream | Transformer(
'.//form[@id="addcf"]/fieldset/div[@class="buttons"]'
).before(
tag.div(
tag.input(
id="date_empty",
type="checkbox",
name="date_empty"
),
tag.label('Allow empty date'),
for_="date_empty",
class_="field",
id="date_empty_option"
)
)
return stream
|
