apps/catalogue/forms.py

   1 # -*- coding: utf-8 -*-
   2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   4 #
   5 from django import forms
   6 from django.utils.translation import ugettext_lazy as _
   7
   8 from catalogue.models import Book
   9
  10
  11 class BookImportForm(forms.Form):
  12     book_xml_file = forms.FileField(required=False)
  13     book_xml = forms.CharField(required=False)
  14
  15     def clean(self):
  16         from django.core.files.base import ContentFile
  17
  18         if not self.cleaned_data['book_xml_file']:
  19             if self.cleaned_data['book_xml']:
  20                 self.cleaned_data['book_xml_file'] = \
  21                         ContentFile(self.cleaned_data['book_xml'].encode('utf-8'))
  22             else:
  23                 raise forms.ValidationError(_("Please supply an XML."))
  24         return super(BookImportForm, self).clean()
  25
  26     def save(self, commit=True, **kwargs):
  27         return Book.from_xml_file(self.cleaned_data['book_xml_file'], overwrite=True, **kwargs)
  28
  29
  30 FORMATS = [(f, f.upper()) for f in Book.ebook_formats]
  31
  32
  33 class DownloadFormatsForm(forms.Form):
  34     formats = forms.MultipleChoiceField(required=False, choices=FORMATS,
  35             widget=forms.CheckboxSelectMultiple)
  36
  37     def __init__(self, *args, **kwargs):
  38         super(DownloadFormatsForm, self).__init__(*args, **kwargs)
  39
  40
  41 CUSTOMIZATION_FLAGS = (
  42     ('nofootnotes', _("Don't show footnotes")),
  43     ('nothemes', _("Don't disply themes")),
  44     ('nowlfont', _("Don't use our custom font")),
  45     )
  46 CUSTOMIZATION_OPTIONS = (
  47     ('leading', _("Leading"), (
  48         ('defaultleading', _('Normal leading')),
  49         ('onehalfleading', _('One and a half leading')),
  50         ('doubleleading', _('Double leading')),
  51         )),
  52     ('fontsize', _("Font size"), (
  53         ('11pt', _('Default')),
  54         ('13pt', _('Big'))
  55         )),
  56 #    ('pagesize', _("Paper size"), (
  57 #        ('a4paper', _('A4')),
  58 #        ('a5paper', _('A5')),
  59 #        )),
  60     )
  61
  62
  63 class CustomPDFForm(forms.Form):
  64     def __init__(self, *args, **kwargs):
  65         super(CustomPDFForm, self).__init__(*args, **kwargs)
  66         for name, label in CUSTOMIZATION_FLAGS:
  67             self.fields[name] = forms.BooleanField(required=False, label=label)
  68         for name, label, choices in CUSTOMIZATION_OPTIONS:
  69             self.fields[name] = forms.ChoiceField(choices, label=label)
  70
  71     @property
  72     def customizations(self):
  73         c = []
  74         for name, label in CUSTOMIZATION_FLAGS:
  75             if self.cleaned_data.get(name):
  76                 c.append(name)
  77         for name, label, choices in CUSTOMIZATION_OPTIONS:
  78             c.append(self.cleaned_data[name])
  79         c.sort()
  80         return c