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Move widgets code from forms.py to widgets.py

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This commit is contained in:
Roberto Rosario
2012-06-16 02:07:13 -04:00
parent c39f1aa8a0
commit f1fc13f739
2 changed files with 87 additions and 85 deletions
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86
apps/checkouts/forms.py
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@@ -1,95 +1,11 @@
from __future__ import absolute_import
import datetime
from django import forms
from django.utils.translation import ugettext_lazy as _
from django.core import validators
from .models import DocumentCheckout
from .exceptions import DocumentAlreadyCheckedOut
class SplitDeltaWidget(forms.widgets.MultiWidget):
"""
A Widget that splits a timedelta input into three <input type="text"> boxes.
"""
def __init__(self, attrs=None):
widgets = (
forms.widgets.TextInput(attrs={'maxlength': 3, 'style':'width: 5em;', 'placeholder': _(u'Days')}),
forms.widgets.TextInput(attrs={'maxlength': 4, 'style':'width: 5em;', 'placeholder': _(u'Hours')}),
forms.widgets.TextInput(attrs={'maxlength': 5, 'style':'width: 5em;', 'placeholder': _(u'Minutes')}),
)
super(SplitDeltaWidget, self).__init__(widgets, attrs)
def decompress(self, value):
if value:
return [value.days, value.seconds / 3600, (value.seconds / 60) % 60]
return [None, None, None]
def value_from_datadict(self, data, files, name):
return [data.get('expiration_datetime_0', 0) or 0, data.get('expiration_datetime_1', 0) or 0, data.get('expiration_datetime_2', 0) or 0]
class SplitHiddenDeltaWidget(forms.widgets.SplitDateTimeWidget):
"""
A Widget that splits a timedelta input into three <input type="hidden"> inputs.
"""
is_hidden = True
def __init__(self, attrs=None):
super(SplitHiddenDeltaWidget, self).__init__(attrs, date_format, time_format)
for widget in self.widgets:
widget.input_type = 'hidden'
widget.is_hidden = True
class SplitTimeDeltaField(forms.MultiValueField):
widget = SplitDeltaWidget
hidden_widget = SplitHiddenDeltaWidget
default_error_messages = {
'invalid_days': _(u'Enter a valid number of days.'),
'invalid_hours': _(u'Enter a valid number of hours.'),
'invalid_minutes': _(u'Enter a valid number of minutes.'),
}
def __init__(self, *args, **kwargs):
errors = self.default_error_messages.copy()
if 'error_messages' in kwargs:
errors.update(kwargs['error_messages'])
localize = kwargs.get('localize', False)
fields = (
forms.IntegerField(min_value=0,
error_messages={'invalid': errors['invalid_days']},
localize=localize
),
forms.IntegerField(min_value=0,
error_messages={'invalid': errors['invalid_hours']},
localize=localize
),
forms.IntegerField(min_value=0,
error_messages={'invalid': errors['invalid_minutes']},
localize=localize
),
)
super(SplitTimeDeltaField, self).__init__(fields, *args, **kwargs)
self.help_text = _(u'Amount of time to hold the document in the checked out state in days, hours and/or minutes.')
self.label = _('Check out expiration date and time')
def compress(self, data_list):
if data_list:
# Raise a validation error if time or date is empty
# (possible if SplitDateTimeField has required=False).
if data_list[0] in validators.EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_days'])
if data_list[1] in validators.EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_hours'])
if data_list[2] in validators.EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_minutes'])
timedelta = datetime.timedelta(days=data_list[0], hours=data_list[1], minutes=data_list[2])
return datetime.datetime.now() + timedelta
return None
from .widgets import SplitTimeDeltaField
class DocumentCheckoutForm(forms.ModelForm):