qcg/templatetags/qcg_utils.py

   1 from datetime import datetime, timedelta
   2 from pyexpat import ExpatError
   3 from xml.dom import minidom
   4
   5 from django import template
   6 from django.conf import settings
   7 from django.utils.html import format_html, format_html_join, conditional_escape
   8 from django.utils.timesince import timesince
   9 from django.utils.timezone import now
  10
  11 from qcg.utils import localtime_str
  12
  13
  14 register = template.Library()
  15
  16
  17 @register.simple_tag
  18 def display_attribute(label, value):
  19     if isinstance(value, bool):
  20         value = 'Tak' if value else 'Nie'
  21     elif isinstance(value, datetime):
  22         value = localtime_str(value)
  23     elif isinstance(value, timedelta):
  24         value = timesince(now() - value)
  25
  26     if not value:
  27         return ''
  28
  29     return format_html(u'<div class="row">'
  30                        u'   <div class="col-sm-3 text-right text-muted">{}</div>'
  31                        u'   <div class="col-sm-9">{}</div>'
  32                        u'</div>', label, value)
  33
  34
  35 @register.simple_tag(takes_context=True)
  36 def get_params_as_hidden(context, *params):
  37     return format_html_join('\n', u'<input type="hidden" name="{}" value="{}">',
  38                             ((param, v) for param in params for v in context['request'].GET.getlist(param, [])))
  39
  40
  41 @register.inclusion_tag('qcg/tags/bootstrap_checkbox.html')
  42 def bootstrap_checkbox(field, label_class=settings.BOOTSTRAP3['horizontal_label_class'],
  43                        field_class=settings.BOOTSTRAP3['horizontal_field_class']):
  44     return {'field': field, 'label_class': label_class, 'field_class': field_class}
  45
  46
  47 @register.filter(needs_autoescape=True)
  48 def format_xml(string, autoescape=None):
  49     esc = conditional_escape if autoescape else lambda x: x
  50     try:
  51         return esc(minidom.parseString(string).toprettyxml(indent='    '))
  52     except ExpatError:
  53         return string