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comparison bio/forms.py @ 581:ee87ea74d46b

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For Django 1.4, rearranged project structure for new manage.py.
author Brian Neal <bgneal@gmail.com>
date Sat, 05 May 2012 17:10:48 -0500
parents gpp/bio/forms.py@bbbc357ac5f3
children 678a1a2ef55a
comparison
equal deleted inserted replaced
580:c525f3e0b5d0 581:ee87ea74d46b
1 """
2 This file contains the forms used by the bio application.
3 """
4 try:
5 from cStringIO import StringIO
6 except:
7 from StringIO import StringIO
8
9 from django import forms
10 from django.conf import settings
11 from django.core.files.base import ContentFile
12 from django.contrib.auth.models import User
13
14 from bio.models import UserProfile
15 from core.widgets import AutoCompleteUserInput
16 from core.image import parse_image, downscale_image_square
17
18
19 class EditUserForm(forms.ModelForm):
20 """Form for editing the fields of the User model."""
21 email = forms.EmailField(label='Email', required=True)
22 class Meta:
23 model = User
24 fields = ('first_name', 'last_name', 'email')
25
26
27 class EditUserProfileForm(forms.ModelForm):
28 """Form for editing the fields of the UserProfile model."""
29 location = forms.CharField(required=False, widget=forms.TextInput(attrs={'size' : 64 }))
30 occupation = forms.CharField(required=False, widget=forms.TextInput(attrs={'size' : 64 }))
31 interests = forms.CharField(required=False, widget=forms.TextInput(attrs={'size' : 64 }))
32 time_zone = forms.CharField(required=False, widget=forms.HiddenInput())
33 use_24_time = forms.BooleanField(label='Show times in 24-hour mode', required=False)
34 profile_text = forms.CharField(required=False,
35 widget=forms.Textarea(attrs={'class': 'markItUp'}))
36 signature = forms.CharField(required=False,
37 widget=forms.Textarea(attrs={'class': 'markItUp'}))
38 auto_favorite = forms.BooleanField(
39 label='Automatically favorite every forum topic I create or reply to', required=False)
40 auto_subscribe = forms.BooleanField(
41 label='Automatically subscribe to every forum topic I create or reply to', required=False)
42
43 class Meta:
44 model = UserProfile
45 fields = ('location', 'birthday', 'occupation', 'interests',
46 'profile_text', 'hide_email', 'signature', 'time_zone',
47 'use_24_time', 'auto_favorite', 'auto_subscribe')
48
49 class Media:
50 css = {
51 'all': (settings.GPP_THIRD_PARTY_CSS['markitup'] +
52 settings.GPP_THIRD_PARTY_CSS['jquery-ui'])
53 }
54 js = (settings.GPP_THIRD_PARTY_JS['markitup'] +
55 settings.GPP_THIRD_PARTY_JS['jquery-ui'] +
56 ['js/bio.js', 'js/timezone.js'])
57
58
59 class UploadAvatarForm(forms.Form):
60 """Form used to change a user's avatar"""
61 avatar_file = forms.ImageField(required=False)
62 image = None
63
64 def clean_avatar_file(self):
65 f = self.cleaned_data['avatar_file']
66 if f is not None:
67 if f.size > settings.MAX_AVATAR_SIZE_BYTES:
68 raise forms.ValidationError("Please upload a file smaller than "
69 "%s bytes." % settings.MAX_AVATAR_SIZE_BYTES)
70 try:
71 self.image = parse_image(f)
72 except IOError:
73 raise forms.ValidationError("Please upload a valid image. "
74 "The file you uploaded was either not an image or a "
75 "corrupted image.")
76 self.file_type = self.image.format
77 return f
78
79 def save(self):
80 """
81 Perform any down-scaling needed on the new file, then return a tuple of
82 (filename, file object). Note that the file object returned may not
83 have a name; use the returned filename instead.
84
85 """
86 if not self.cleaned_data['avatar_file']:
87 return None, None
88
89 name = self.cleaned_data['avatar_file'].name
90 dim = settings.MAX_AVATAR_SIZE_PIXELS
91 max_size = (dim, dim)
92 if self.image and self.image.size > max_size:
93 self.image = downscale_image_square(self.image, dim)
94
95 # We need to return a Django File now. To get that from here,
96 # write the image data info a StringIO and then construct a
97 # Django ContentFile from that. The ContentFile has no name,
98 # that is why we return one ourselves explicitly.
99 s = StringIO()
100 self.image.save(s, self.file_type)
101 return name, ContentFile(s.getvalue())
102
103 return name, self.cleaned_data['avatar_file']
104
105
106 class SearchUsersForm(forms.Form):
107 """
108 A form to search for users.
109 """
110 username = forms.CharField(max_length=30, widget=AutoCompleteUserInput())
111
112 class Media:
113 css = {
114 'all': settings.GPP_THIRD_PARTY_CSS['jquery-ui']
115 }
116 js = settings.GPP_THIRD_PARTY_JS['jquery-ui']
117
118 def clean_username(self):
119 username = self.cleaned_data['username'].strip()
120 try:
121 User.objects.get(username=username, is_active=True)
122 except User.DoesNotExist:
123 raise forms.ValidationError("That username does not exist.")
124 return username