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 PDF_PAGE_SIZES = (
  42     ('a4paper', _('A4')),
  43     ('a5paper', _('A5')),
  44 )
  45
  46
  47 PDF_LEADINGS = (
  48     ('', _('Normal leading')),
  49     ('onehalfleading', _('One and a half leading')),
  50     ('doubleleading', _('Double leading')),
  51     )
  52
  53 PDF_FONT_SIZES = (
  54     ('11pt', _('Default')),
  55     ('13pt', _('Big'))
  56     )
  57
  58
  59 class CustomPDFForm(forms.Form):
  60     nofootnotes = forms.BooleanField(required=False, label=_("Don't show footnotes"))
  61     nothemes = forms.BooleanField(required=False, label=_("Don't disply themes"))
  62     nowlfont = forms.BooleanField(required=False, label=_("Don't use our custom font"))
  63     ##    pagesize = forms.ChoiceField(PDF_PAGE_SIZES, required=True, label=_("Paper size"))
  64     leading = forms.ChoiceField(PDF_LEADINGS, required=False, label=_("Leading"))
  65     fontsize = forms.ChoiceField(PDF_FONT_SIZES, required=True, label=_("Font size"))
  66
  67     @property
  68     def customizations(self):
  69         c = []
  70         if self.cleaned_data['nofootnotes']:
  71             c.append('nofootnotes')
  72
  73         if self.cleaned_data['nothemes']:
  74             c.append('nothemes')
  75
  76         if self.cleaned_data['nowlfont']:
  77             c.append('nowlfont')
  78
  79             ##  c.append(self.cleaned_data['pagesize'])
  80         c.append(self.cleaned_data['fontsize'])
  81
  82         if self.cleaned_data['leading']:
  83             c.append(self.cleaned_data['leading'])
  84
  85         c.sort()
  86
  87         return c
  88