144 lines
5.0 KiB
Python
144 lines
5.0 KiB
Python
from __future__ import unicode_literals
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import os
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from django import forms
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from django.forms.util import flatatt
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from django.utils.encoding import force_unicode, force_text
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from django.utils.html import conditional_escape, format_html
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext_lazy as _
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class DetailSelectMultiple(forms.widgets.SelectMultiple):
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def __init__(self, queryset=None, *args, **kwargs):
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self.queryset = queryset
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super(DetailSelectMultiple, self).__init__(*args, **kwargs)
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def render(self, name, value, attrs=None, choices=(), *args, **kwargs):
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if value is None:
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value = ''
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final_attrs = self.build_attrs(attrs, name=name)
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css_class = final_attrs.get('class', 'list')
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output = '<ul class="%s">' % css_class
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options = None
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if value:
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if getattr(value, '__iter__', None):
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options = [(index, string) for index, string in
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self.choices if index in value]
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else:
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options = [(index, string) for index, string in
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self.choices if index == value]
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else:
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if self.choices:
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if self.choices[0] != ('', '---------') and value != []:
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options = [(index, string) for index, string in
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self.choices]
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if options:
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for index, string in options:
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if self.queryset:
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try:
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output += '<li><a href="%s">%s</a></li>' % (
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self.queryset.get(pk=index).get_absolute_url(),
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string)
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except AttributeError:
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output += '<li>%s</li>' % (string)
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else:
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output += '<li>%s</li>' % string
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else:
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output += '<li>%s</li>' % _('None')
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return mark_safe(output + '</ul>\n')
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class DisableableSelectWidget(forms.SelectMultiple):
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allow_multiple_selected = True
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def __init__(self, *args, **kwargs):
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self.disabled_choices = kwargs.pop('disabled_choices', ())
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super(DisableableSelectWidget, self).__init__(*args, **kwargs)
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def render_option(self, selected_choices, option_value, option_label):
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if option_value is None:
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option_value = ''
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option_value = force_text(option_value)
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if option_value in selected_choices:
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selected_html = mark_safe(' selected="selected"')
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if not self.allow_multiple_selected:
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# Only allow for a single selection.
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selected_choices.remove(option_value)
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else:
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selected_html = ''
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if option_value in self.disabled_choices:
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disabled_html = u' disabled="disabled"'
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else:
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disabled_html = ''
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return format_html('<option value="{0}"{1}{2}>{3}</option>',
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option_value,
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selected_html,
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disabled_html,
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force_text(option_label))
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# From: http://www.peterbe.com/plog/emailinput-html5-django
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class EmailInput(forms.widgets.Input):
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"""
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Class for a login form widget that accepts only well formated
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email address
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"""
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input_type = 'email'
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def render(self, name, value, attrs=None):
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if attrs is None:
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attrs = {}
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attrs.update(dict(autocorrect='off',
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autocapitalize='off',
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spellcheck='false'))
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return super(EmailInput, self).render(name, value, attrs=attrs)
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class PlainWidget(forms.widgets.Widget):
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"""
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Class to define a form widget that effectively nulls the htmls of a
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widget and reduces the output to only it's value
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"""
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def render(self, name, value, attrs=None):
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return mark_safe('%s' % value)
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class TextAreaDiv(forms.widgets.Widget):
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"""
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Class to define a form widget that simulates the behavior of a
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Textarea widget but using a div tag instead
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"""
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def __init__(self, attrs=None):
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# The 'rows' and 'cols' attributes are required for HTML correctness.
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default_attrs = {'class': 'text_area_div'}
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if attrs:
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default_attrs.update(attrs)
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super(TextAreaDiv, self).__init__(default_attrs)
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def render(self, name, value, attrs=None):
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if value is None:
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value = ''
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flat_attrs = flatatt(self.build_attrs(attrs, name=name))
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content = conditional_escape(force_unicode(value))
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result = '<pre%s>%s</pre>' % (flat_attrs, content)
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return mark_safe(result)
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def exists_widget(path):
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try:
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return two_state_template(os.path.exists(path))
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except Exception as exception:
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return exception
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def two_state_template(state, ok_icon='fa fa-check', fail_icon='fa fa-times'):
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if state:
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return mark_safe('<i class="text-success {}"></i>'.format(ok_icon))
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else:
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return mark_safe('<i class="text-danger {}"></i>'.format(fail_icon))
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