149 lines
5.5 KiB
Python
149 lines
5.5 KiB
Python
from __future__ import unicode_literals
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from itertools import chain
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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
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from django.utils.html import conditional_escape
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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 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 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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def exists_with_famfam(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, famfam_ok_icon='tick', famfam_fail_icon='cross'):
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if state:
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return mark_safe('<span class="famfam active famfam-%s"></span>' % famfam_ok_icon)
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else:
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return mark_safe('<span class="famfam active famfam-%s"></span>' % famfam_fail_icon)
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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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# 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 ScrollableCheckboxSelectMultiple(forms.widgets.CheckboxSelectMultiple):
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"""
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Class for a form widget composed of a selection of checkboxes wrapped
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in a div tag with automatic overflow to add scrollbars when the list
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exceds the height of the div
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"""
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def render(self, name, value, attrs=None, choices=()):
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if value is None:
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value = []
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has_id = attrs and 'id' in attrs
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final_attrs = self.build_attrs(attrs, name=name)
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output = ['<ul class="undecorated_list" style="margin-left: 5px; margin-top: 3px; margin-bottom: 3px;">']
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# Normalize to strings
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str_values = set([force_unicode(v) for v in value])
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for i, (option_value, option_label) in enumerate(chain(self.choices, choices)):
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# If an ID attribute was given, add a numeric index as a suffix,
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# so that the checkboxes don't all have the same ID attribute.
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if has_id:
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final_attrs = dict(final_attrs, id='%s_%s' % (attrs['id'], i))
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label_for = ' for="%s"' % final_attrs['id']
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else:
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label_for = ''
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cb = forms.widgets.CheckboxInput(final_attrs, check_test=lambda value: value in str_values)
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option_value = force_unicode(option_value)
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rendered_cb = cb.render(name, option_value)
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option_label = conditional_escape(force_unicode(option_label))
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output.append('<li><label%s>%s %s</label></li>' % (label_for, rendered_cb, option_label))
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output.append('</ul>')
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return mark_safe('<div class="text_area_div">%s</div>' % '\n'.join(output))
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