#-*- coding: utf-8 -*- ############################################################################# # # # Copyright (c) 2008 Rok Garbas # # # # 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 3 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, see . # # # ############################################################################# import zope.i18n import zope.schema import zope.interface import zope.component import z3c.form import z3c.form.browser.widget import z3c.form.widget from datetime import date, datetime from interfaces import IDateWidget from i18n import MessageFactory as _ from Products.CMFCore.utils import getToolByName class DateWidget(z3c.form.browser.widget.HTMLTextInputWidget, z3c.form.widget.Widget): """ Date widget. """ zope.interface.implementsOnly(IDateWidget) calendar_type = 'gregorian' klass = u'date-widget' value = ('', '', '') # # pure javascript no dependencies show_today_link = False # # Requires: jquery.tools.datewidget.js, jquery.js # Read more: http://flowplayer.org/tools/dateinput/index.html show_jquerytools_dateinput = False jquerytools_dateinput_config = 'selectors: true, trigger: true, ' yearRange = 'yearRange: [-10, 10]' # TODO: implement same thing for JQuery.UI def _set_yearRange(self): """Set the value of the yearRange configuration variable using the min/max field properties or the default values stored in portal's site properties. """ portal_properties = getToolByName(self.context, 'portal_properties', None) if portal_properties is not None: p = portal_properties['site_properties'] else: p = None today = date.today() if self.field.min is not None: start = self.field.min.year - today.year else: calendar_starting_year = getattr(p, 'calendar_starting_year', 2001) start = calendar_starting_year - today.year if self.field.max is not None: end = self.field.max.year - today.year else: end = getattr(p, 'calendar_future_years_available', 5) self.yearRange = 'yearRange: [%s, %s]' % (start, end) def update(self): super(DateWidget, self).update() z3c.form.browser.widget.addFieldClass(self) self._set_yearRange() @property def months(self): try: selected = int(self.month) except: selected = -1 calendar = self.request.locale.dates.calendars[self.calendar_type] month_names = calendar.getMonthNames() for i, month in enumerate(month_names): yield dict( name = month, value = i+1, selected = i+1 == selected) @property def formatted_value(self): try: date_value = date(*map(int, self.value)) except ValueError: return '' formatter = self.request.locale.dates.getFormatter("date", "short") if date_value.year > 1900: return formatter.format(date_value) # due to fantastic datetime.strftime we need this hack # for now ctime is default return date_value.ctime() @property def year(self): year = self.request.get(self.name+'-year', None) if year is not None: return year return self.value[0] @property def month(self): month = self.request.get(self.name+'-month', None) if month: return month return self.value[1] @property def day(self): day = self.request.get(self.name+'-day', None) if day is not None: return day return self.value[2] def extract(self, default=z3c.form.interfaces.NOVALUE): # get normal input fields day = self.request.get(self.name + '-day', default) month = self.request.get(self.name + '-month', default) year = self.request.get(self.name + '-year', default) if not default in (year, month, day): return (year, month, day) # get a hidden value formatter = self.request.locale.dates.getFormatter("date", "short") hidden_date = self.request.get(self.name, '') try: dateobj = formatter.parse(hidden_date) return (str(dateobj.year), str(dateobj.month), str(dateobj.day)) except zope.i18n.format.DateTimeParseError: pass return default def show_today_link_js(self): now = datetime.today() show_link_func = self.id+'-show-today-link' for i in ['-', '_']: show_link_func = show_link_func.replace(i, '') return ' %(today)s' % dict( id = self.id, day = now.day, month = now.month, year = now.year, today = zope.i18n.translate(_(u"Today"), context=self.request) ) def show_jquerytools_dateinput_js(self): language = getattr(self.request, 'LANGUAGE', 'en') calendar = self.request.locale.dates.calendars[self.calendar_type] localize = 'jQuery.tools.dateinput.localize("' + language + '", {' localize += 'months: "%s",' % ','.join(calendar.getMonthNames()) localize += 'shortMonths: "%s",' % ','.join(calendar.getMonthAbbreviations()) # calendar tool's number of days is off by one from jquery tools' localize += 'days: "%s",' % ','.join( [calendar.getDayNames()[6]] + calendar.getDayNames()[:6]) localize += 'shortDays: "%s"' % ','.join( [calendar.getDayAbbreviations()[6]] + calendar.getDayAbbreviations()[:6]) localize += '});' config = 'lang: "%s", ' % language value_date = self.value[:3] if '' not in value_date: config += 'value: new Date("%s/%s/%s"), ' % (value_date) config += 'change: function() { ' \ 'var value = this.getValue("yyyy-m-dd").split("-"); \n' \ 'jQuery("#%(id)s-year").val(value[0]); \n' \ 'jQuery("#%(id)s-month").val(value[1]); \n' \ 'jQuery("#%(id)s-day").val(value[2]); \n' \ '}, ' % dict(id = self.id) config += 'firstDay: %s,' % (calendar.week['firstDay'] % 7) config += self.jquerytools_dateinput_config config += self.yearRange return ''' ''' % dict( id=self.id, name=self.name, day=self.day, month=self.month, year=self.year, config=config, language=language, localize=localize, ) @zope.component.adapter(zope.schema.interfaces.IField, z3c.form.interfaces.IFormLayer) @zope.interface.implementer(z3c.form.interfaces.IFieldWidget) def DateFieldWidget(field, request): """IFieldWidget factory for DateWidget.""" return z3c.form.widget.FieldWidget(field, DateWidget(request))