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 from slughifi import slughifi
   8
   9 from catalogue.models import Tag, Book
  10 from catalogue.fields import JQueryAutoCompleteSearchField
  11 from catalogue import utils
  12
  13
  14 class BookImportForm(forms.Form):
  15     book_xml_file = forms.FileField(required=False)
  16     book_xml = forms.CharField(required=False)
  17
  18     def clean(self):
  19         from django.core.files.base import ContentFile
  20
  21         if not self.cleaned_data['book_xml_file']:
  22             if self.cleaned_data['book_xml']:
  23                 self.cleaned_data['book_xml_file'] = \
  24                         ContentFile(self.cleaned_data['book_xml'].encode('utf-8'))
  25             else:
  26                 raise forms.ValidationError(_("Please supply an XML."))
  27         return super(BookImportForm, self).clean()
  28
  29     def save(self, commit=True, **kwargs):
  30         return Book.from_xml_file(self.cleaned_data['book_xml_file'], overwrite=True, **kwargs)
  31
  32
  33 class SearchForm(forms.Form):
  34     q = JQueryAutoCompleteSearchField()  # {'minChars': 2, 'selectFirst': True, 'cacheLength': 50, 'matchContains': "word"})
  35
  36     def __init__(self, source, *args, **kwargs):
  37         kwargs['auto_id'] = False
  38         super(SearchForm, self).__init__(*args, **kwargs)
  39         self.fields['q'].widget.attrs['id'] = _('search')
  40         self.fields['q'].widget.attrs['autocomplete'] = _('off')
  41         self.fields['q'].widget.attrs['data-source'] = _(source)
  42         if not 'q' in self.data:
  43             self.fields['q'].widget.attrs['title'] = _('title, author, theme/topic, epoch, kind, genre, phrase')
  44
  45
  46 class UserSetsForm(forms.Form):
  47     def __init__(self, book, user, *args, **kwargs):
  48         super(UserSetsForm, self).__init__(*args, **kwargs)
  49         self.fields['set_ids'] = forms.ChoiceField(
  50             choices=[(tag.id, tag.name) for tag in Tag.objects.filter(category='set', user=user)],
  51         )
  52
  53
  54 class ObjectSetsForm(forms.Form):
  55     def __init__(self, obj, user, *args, **kwargs):
  56         super(ObjectSetsForm, self).__init__(*args, **kwargs)
  57         self.fields['set_ids'] = forms.MultipleChoiceField(
  58             label=_('Shelves'),
  59             required=False,
  60             choices=[(tag.id, "%s (%s)" % (tag.name, tag.book_count)) for tag in Tag.objects.filter(category='set', user=user)],
  61             initial=[tag.id for tag in obj.tags.filter(category='set', user=user)],
  62             widget=forms.CheckboxSelectMultiple
  63         )
  64
  65
  66 class NewSetForm(forms.Form):
  67     name = forms.CharField(max_length=50, required=True)
  68
  69     def __init__(self, *args, **kwargs):
  70         super(NewSetForm, self).__init__(*args, **kwargs)
  71         self.fields['name'].widget.attrs['title'] = _('Name of the new shelf')
  72
  73     def save(self, user, commit=True):
  74         name = self.cleaned_data['name']
  75         new_set = Tag(name=name, slug=utils.get_random_hash(name), sort_key=name.lower(),
  76             category='set', user=user)
  77
  78         new_set.save()
  79         return new_set
  80
  81
  82 FORMATS = [(f, f.upper()) for f in Book.ebook_formats]
  83
  84
  85 class DownloadFormatsForm(forms.Form):
  86     formats = forms.MultipleChoiceField(required=False, choices=FORMATS,
  87             widget=forms.CheckboxSelectMultiple)
  88
  89     def __init__(self, *args, **kwargs):
  90          super(DownloadFormatsForm, self).__init__(*args, **kwargs)
  91
  92
  93 PDF_PAGE_SIZES = (
  94     ('a4paper', _('A4')),
  95     ('a5paper', _('A5')),
  96 )
  97
  98
  99 PDF_LEADINGS = (
 100     ('', _('Normal leading')),
 101     ('onehalfleading', _('One and a half leading')),
 102     ('doubleleading', _('Double leading')),
 103     )
 104
 105 PDF_FONT_SIZES = (
 106     ('11pt', _('Default')),
 107     ('13pt', _('Big'))
 108     )
 109
 110
 111 class CustomPDFForm(forms.Form):
 112     nofootnotes = forms.BooleanField(required=False, label=_("Don't show footnotes"))
 113     nothemes = forms.BooleanField(required=False, label=_("Don't disply themes"))
 114     nowlfont = forms.BooleanField(required=False, label=_("Don't use our custom font"))
 115     ##    pagesize = forms.ChoiceField(PDF_PAGE_SIZES, required=True, label=_("Paper size"))
 116     leading = forms.ChoiceField(PDF_LEADINGS, required=False, label=_("Leading"))
 117     fontsize = forms.ChoiceField(PDF_FONT_SIZES, required=True, label=_("Font size"))
 118
 119     @property
 120     def customizations(self):
 121         c = []
 122         if self.cleaned_data['nofootnotes']:
 123             c.append('nofootnotes')
 124
 125         if self.cleaned_data['nothemes']:
 126             c.append('nothemes')
 127
 128         if self.cleaned_data['nowlfont']:
 129             c.append('nowlfont')
 130
 131             ##  c.append(self.cleaned_data['pagesize'])
 132         c.append(self.cleaned_data['fontsize'])
 133
 134         if self.cleaned_data['leading']:
 135             c.append(self.cleaned_data['leading'])
 136
 137         c.sort()
 138
 139         return c
 140