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from datetime import datetime
import logging
import errno
import tw
from tw.api import CSSLink, JSLink, js_function
from tw.forms import FormField, validators
__all__ = ["CalendarDatePicker", "CalendarDateTimePicker"]
setup_calendar = js_function("Calendar.setup")
log = logging.getLogger(__name__)
calendar_css = CSSLink(
modname='tw.forms', filename='static/calendar/calendar-system.css')
calendar_js = JSLink(
modname='tw.forms', filename='static/calendar/calendar.js')
calendar_setup = JSLink(
modname='tw.forms', filename='static/calendar/calendar-setup.js')
class CalendarDatePicker(FormField):
"""
Uses a javascript calendar system to allow picking of calendar dates.
The date_format is in mm/dd/yyyy unless otherwise specified
"""
css = [calendar_css]
javascript = [calendar_js, calendar_setup]
template = "tw.forms.templates.calendar"
params = [
"calendar_lang", "not_empty", "button_text", "date_format",
"picker_shows_time", "tzinfo",
]
calendar_lang = 'en'
not_empty = True
button_text = "Choose"
date_format = "%m/%d/%Y"
picker_shows_time = False
validator = None
_default = None
def __init__(self, *args, **kw):
super(CalendarDatePicker, self).__init__(*args, **kw)
if self.default is None and self.not_empty:
self.default = lambda: datetime.now()
self.validator = self.validator or validators.DateTimeConverter(
format=self.date_format, not_empty=self.not_empty,
tzinfo=self.tzinfo
)
def get_calendar_lang_file_link(self, lang):
"""
Returns a CalendarLangFileLink containing a list of name
patterns to try in turn to find the correct calendar locale
file to use.
"""
fname = 'static/calendar/lang/calendar-%s.js' % lang.lower()
return JSLink(modname='tw.forms',
filename=fname,
javascript=self.javascript)
def update_params(self, d):
super(CalendarDatePicker, self).update_params(d)
log.debug("Value received by Calendar: %r", d.value)
try:
d.strdate = d.value.strftime(d.date_format)
except AttributeError:
d.strdate = d.value
options = dict(
inputField = self.id,
ifFormat = d.date_format,
button = self.id + '_trigger',
showsTime = d.picker_shows_time,
)
self.get_calendar_lang_file_link(d.calendar_lang).inject()
self.add_call(setup_calendar(options))
class CalendarDateTimePicker(CalendarDatePicker):
"""
Use a javascript calendar system to allow picking of calendar dates and
time.
The date_format is in mm/dd/yyyy hh:mm unless otherwise specified
"""
date_format = "%Y/%m/%d %H:%M"
picker_shows_time = True
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