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Matthew Schinckel committed b1a8411

Initial import.

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+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "project.settings")
+
+    from django.core.management import execute_from_command_line
+
+    execute_from_command_line(sys.argv)

organisms/__init__.py

Empty file added.

organisms/admin.py

+from django.contrib import admin
+from django.conf.urls import patterns, url
+from django.http import HttpResponse
+
+from organisms.models import *
+from organisms.forms import IdentificationDetailFormSet
+
+class IdentificationFieldInline(admin.TabularInline):
+    model = IdentificationField
+    extra = 0
+    
+class OrganismTypeAdmin(admin.ModelAdmin):
+    inlines = [IdentificationFieldInline]
+    
+    # We want to expose a new URL, that gives us the available
+    # choices when we change the OrganismType in an OrganismAdmin page.
+    def get_urls(self, **kwargs):
+        urls = super(OrganismTypeAdmin, self).get_urls(**kwargs)
+        urls = patterns('', 
+            url(r'^(.*)/fields/$', self.get_fields, name='organisms_organismtype_fields'),
+        ) + urls
+        return urls
+    urls = property(get_urls)
+    
+    # This is a view method that returns an HTML fragment that can be used to
+    # populate a <select> element.
+    def get_fields(self, request, *args, **kwargs):
+        data = "<option value>---------</option>"
+        if args[0]:
+            data += "".join([
+                "<option value='%(id)s'>%(name)s</option>" % x 
+                for x in OrganismType.objects.get(pk=args[0]).id_fields.values()
+            ])
+        return HttpResponse(data)
+
+
+class IdentificationDetailInline(admin.TabularInline):
+    model = IdentificationDetail
+    formset = IdentificationDetailFormSet
+    extra = 0
+
+def latin_name(obj):
+    return u"<i>%s</i>" % obj.latin_name
+latin_name.allow_tags = True
+latin_name.admin_order_field = 'latin_name'
+
+class OrganismAdmin(admin.ModelAdmin):
+    inlines = [IdentificationDetailInline]    
+    list_display = (
+        'common_name',
+        latin_name,
+        'type',
+    )
+    
+    list_filter = ('type',)
+
+admin.site.register(OrganismType, OrganismTypeAdmin)
+admin.site.register(Organism, OrganismAdmin)

organisms/forms.py

+from django import forms
+
+from organisms.models import IdentificationDetail, Organism, OrganismType
+
+class IdentificationDetailFormSet(forms.models.BaseInlineFormSet):
+    def __init__(self, *args, **kwargs):
+        super(IdentificationDetailFormSet, self).__init__(*args, **kwargs)
+        for form in self.forms:
+            self.update_choices(form)
+    
+    # We need to override the constructor (and the associated property) for the
+    # empty form, so dynamic forms work.
+    def _get_empty_form(self, **kwargs):
+        form = super(IdentificationDetailFormSet, self)._get_empty_form(**kwargs)
+        self.update_choices(form)
+        return form
+    empty_form = property(_get_empty_form)
+    
+    # This updates one form's 'field' field queryset, if there is an organism with type
+    # associated with the formset. Otherwise, make the choice list empty.
+    def update_choices(self, form):
+        if 'type' in self.data:
+            id_fields = OrganismType.objects.get(pk=self.data['type']).id_fields.all()
+        elif self.instance.pk and self.instance.type:
+            id_fields = self.instance.type.id_fields.all()
+        else:
+            id_fields = IdentificationDetail.objects.none()
+        
+        form.fields['field'].queryset = id_fields

organisms/models.py

+from django.db import models
+
+class OrganismType(models.Model):
+    description = models.CharField(max_length=200)
+
+    def __unicode__(self):
+        return self.description
+
+class IdentificationField(models.Model):
+    type = models.ForeignKey(OrganismType, related_name="id_fields")
+    name = models.CharField(max_length=200)
+    
+    class Meta:
+        unique_together = ('name', 'type')
+    
+    def __unicode__(self):
+        return self.name
+
+class Organism(models.Model):
+    common_name = models.CharField(max_length=200)
+    latin_name = models.CharField(max_length=200)
+    #population_status = models.ForeignKey(PopulationStatus)
+    type = models.ForeignKey(OrganismType, related_name="organisms")
+    ident_tips = models.TextField('identification tips', blank=True)
+    habitat_descr = models.TextField('habitat description', blank=True)
+
+    def __unicode__(self):
+        return u"%s (%s)" % (self.common_name, self.latin_name)
+    
+    def save(self, *args, **kwargs):
+        # Ensure the latin_name is always "Singleupcase otherslowercase"
+        # Could also do this in validation/cleaning.
+        # Likewise, could ensure that we have only two words in the latin name.
+        self.latin_name = self.latin_name[0].upper() + self.latin_name[1:].lower()
+        return super(Organism, self).save(*args, **kwargs)
+
+class IdentificationDetail(models.Model):
+    organism = models.ForeignKey(Organism, related_name="id_details")
+    field = models.ForeignKey(IdentificationField)
+    description = models.CharField(max_length=250)
+    
+    def __unicode__(self):
+        return u"%s is %s" % (self.field.name, self.description)
+    
+    class Meta:
+        unique_together = ('organism', 'field')

organisms/templates/admin/organisms/organism/change_form.html

+{% extends 'admin/change_form.html' %}
+
+{% block after_related_objects %}
+{{ block.super }}
+<script>
+django.jQuery(function($){
+  $('#id_type').change(function(evt){
+    $.ajax({
+      url: "/admin/organisms/organismtype/" + this.value + '/fields/',
+      type: 'get',
+      success: function(data) {
+        $('tr.form-row td.field-field select').html(data);
+      }
+    });
+  });
+});
+</script>
+{% endblock %}

organisms/tests.py

+"""
+This file demonstrates writing tests using the unittest module. These will pass
+when you run "manage.py test".
+
+Replace this with more appropriate tests for your application.
+"""
+
+from django.test import TestCase
+
+
+class SimpleTest(TestCase):
+    def test_basic_addition(self):
+        """
+        Tests that 1 + 1 always equals 2.
+        """
+        self.assertEqual(1 + 1, 2)

organisms/views.py

+# Create your views here.

project/__init__.py

Empty file added.

project/settings.py

+# Django settings for project project.
+
+DEBUG = True
+TEMPLATE_DEBUG = DEBUG
+
+ADMINS = (
+    # ('Your Name', 'your_email@example.com'),
+)
+
+MANAGERS = ADMINS
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
+        'NAME': 'database.db',                      # Or path to database file if using sqlite3.
+        'USER': '',                      # Not used with sqlite3.
+        'PASSWORD': '',                  # Not used with sqlite3.
+        'HOST': '',                      # Set to empty string for localhost. Not used with sqlite3.
+        'PORT': '',                      # Set to empty string for default. Not used with sqlite3.
+    }
+}
+
+# Local time zone for this installation. Choices can be found here:
+# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
+# although not all choices may be available on all operating systems.
+# On Unix systems, a value of None will cause Django to use the same
+# timezone as the operating system.
+# If running in a Windows environment this must be set to the same as your
+# system time zone.
+TIME_ZONE = 'GMT'
+
+# Language code for this installation. All choices can be found here:
+# http://www.i18nguy.com/unicode/language-identifiers.html
+LANGUAGE_CODE = 'en-us'
+
+SITE_ID = 1
+
+# If you set this to False, Django will make some optimizations so as not
+# to load the internationalization machinery.
+USE_I18N = True
+
+# If you set this to False, Django will not format dates, numbers and
+# calendars according to the current locale.
+USE_L10N = True
+
+# If you set this to False, Django will not use timezone-aware datetimes.
+USE_TZ = True
+
+# Absolute filesystem path to the directory that will hold user-uploaded files.
+# Example: "/home/media/media.lawrence.com/media/"
+MEDIA_ROOT = ''
+
+# URL that handles the media served from MEDIA_ROOT. Make sure to use a
+# trailing slash.
+# Examples: "http://media.lawrence.com/media/", "http://example.com/media/"
+MEDIA_URL = ''
+
+# Absolute path to the directory static files should be collected to.
+# Don't put anything in this directory yourself; store your static files
+# in apps' "static/" subdirectories and in STATICFILES_DIRS.
+# Example: "/home/media/media.lawrence.com/static/"
+STATIC_ROOT = ''
+
+# URL prefix for static files.
+# Example: "http://media.lawrence.com/static/"
+STATIC_URL = '/static/'
+
+# Additional locations of static files
+STATICFILES_DIRS = (
+    # Put strings here, like "/home/html/static" or "C:/www/django/static".
+    # Always use forward slashes, even on Windows.
+    # Don't forget to use absolute paths, not relative paths.
+)
+
+# List of finder classes that know how to find static files in
+# various locations.
+STATICFILES_FINDERS = (
+    'django.contrib.staticfiles.finders.FileSystemFinder',
+    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
+#    'django.contrib.staticfiles.finders.DefaultStorageFinder',
+)
+
+# Make this unique, and don't share it with anybody.
+SECRET_KEY = '5r16hr25v$9vg%s=(qt#!txs@etj^1&amp;!lad-n6s&amp;u8$-f_4=yn'
+
+# List of callables that know how to import templates from various sources.
+TEMPLATE_LOADERS = (
+    'django.template.loaders.filesystem.Loader',
+    'django.template.loaders.app_directories.Loader',
+    'django.template.loaders.eggs.Loader',
+)
+
+MIDDLEWARE_CLASSES = (
+    'django.middleware.common.CommonMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    # Uncomment the next line for simple clickjacking protection:
+    # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
+)
+
+ROOT_URLCONF = 'project.urls'
+
+# Python dotted path to the WSGI application used by Django's runserver.
+WSGI_APPLICATION = 'project.wsgi.application'
+
+TEMPLATE_DIRS = (
+    # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
+    # Always use forward slashes, even on Windows.
+    # Don't forget to use absolute paths, not relative paths.
+)
+
+INSTALLED_APPS = (
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.sites',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    # Uncomment the next line to enable the admin:
+    'django.contrib.admin',
+    # Uncomment the next line to enable admin documentation:
+    'django.contrib.admindocs',
+    'organisms',
+)
+
+# A sample logging configuration. The only tangible logging
+# performed by this configuration is to send an email to
+# the site admins on every HTTP 500 error when DEBUG=False.
+# See http://docs.djangoproject.com/en/dev/topics/logging for
+# more details on how to customize your logging configuration.
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'filters': {
+        'require_debug_false': {
+            '()': 'django.utils.log.RequireDebugFalse'
+        }
+    },
+    'handlers': {
+        'mail_admins': {
+            'level': 'ERROR',
+            'filters': ['require_debug_false'],
+            'class': 'django.utils.log.AdminEmailHandler'
+        }
+    },
+    'loggers': {
+        'django.request': {
+            'handlers': ['mail_admins'],
+            'level': 'ERROR',
+            'propagate': True,
+        },
+    }
+}
+from django.conf.urls import patterns, include, url
+
+# Uncomment the next two lines to enable the admin:
+from django.contrib import admin
+admin.autodiscover()
+
+urlpatterns = patterns('',
+    # Examples:
+    # url(r'^$', 'project.views.home', name='home'),
+    # url(r'^project/', include('project.foo.urls')),
+
+    # Uncomment the admin/doc line below to enable admin documentation:
+    url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
+
+    # Uncomment the next line to enable the admin:
+    url(r'^admin/', include(admin.site.urls)),
+)
+"""
+WSGI config for project project.
+
+This module contains the WSGI application used by Django's development server
+and any production WSGI deployments. It should expose a module-level variable
+named ``application``. Django's ``runserver`` and ``runfcgi`` commands discover
+this application via the ``WSGI_APPLICATION`` setting.
+
+Usually you will have the standard Django WSGI application here, but it also
+might make sense to replace the whole Django WSGI application with a custom one
+that later delegates to the Django one. For example, you could introduce WSGI
+middleware here, or combine a Django application with an application of another
+framework.
+
+"""
+import os
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "project.settings")
+
+# This application object is used by any WSGI server configured to use this
+# file. This includes Django's development server, if the WSGI_APPLICATION
+# setting points here.
+from django.core.wsgi import get_wsgi_application
+application = get_wsgi_application()
+
+# Apply WSGI middleware here.
+# from helloworld.wsgi import HelloWorldApplication
+# application = HelloWorldApplication(application)