author | Lennard de Rijk <ljvderijk@gmail.com> |
Thu, 12 Feb 2009 23:12:09 +0000 | |
changeset 1289 | 86a4e0e75ea6 |
parent 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
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Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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1 |
from django import http |
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from django.db import models |
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from django.contrib.databrowse.datastructures import EasyModel |
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from django.contrib.databrowse.sites import DatabrowsePlugin |
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from django.shortcuts import render_to_response |
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from django.utils.text import capfirst |
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from django.utils.encoding import smart_str, force_unicode |
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from django.utils.safestring import mark_safe |
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import urllib |
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10 |
|
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class FieldChoicePlugin(DatabrowsePlugin): |
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def __init__(self, field_filter=None): |
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# If field_filter is given, it should be a callable that takes a |
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# Django database Field instance and returns True if that field should |
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# be included. If field_filter is None, that all fields will be used. |
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self.field_filter = field_filter |
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|
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def field_dict(self, model): |
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""" |
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Helper function that returns a dictionary of all fields in the given |
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model. If self.field_filter is set, it only includes the fields that |
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match the filter. |
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""" |
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if self.field_filter: |
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return dict([(f.name, f) for f in model._meta.fields if self.field_filter(f)]) |
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else: |
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return dict([(f.name, f) for f in model._meta.fields if not f.rel and not f.primary_key and not f.unique and not isinstance(f, (models.AutoField, models.TextField))]) |
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|
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def model_index_html(self, request, model, site): |
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fields = self.field_dict(model) |
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if not fields: |
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return u'' |
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return mark_safe(u'<p class="filter"><strong>View by:</strong> %s</p>' % \ |
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u', '.join(['<a href="fields/%s/">%s</a>' % (f.name, force_unicode(capfirst(f.verbose_name))) for f in fields.values()])) |
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|
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def urls(self, plugin_name, easy_instance_field): |
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if easy_instance_field.field in self.field_dict(easy_instance_field.model.model).values(): |
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field_value = smart_str(easy_instance_field.raw_value) |
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return [mark_safe(u'%s%s/%s/%s/' % ( |
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easy_instance_field.model.url(), |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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plugin_name, easy_instance_field.field.name, |
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Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
parents:
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urllib.quote(field_value, safe='')))] |
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Todd Larsen <tlarsen@google.com>
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|
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Todd Larsen <tlarsen@google.com>
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def model_view(self, request, model_databrowse, url): |
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self.model, self.site = model_databrowse.model, model_databrowse.site |
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self.fields = self.field_dict(self.model) |
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|
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# If the model has no fields with choices, there's no point in going |
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# further. |
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if not self.fields: |
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raise http.Http404('The requested model has no fields.') |
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|
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if url is None: |
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return self.homepage_view(request) |
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url_bits = url.split('/', 1) |
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if self.fields.has_key(url_bits[0]): |
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57 |
return self.field_view(request, self.fields[url_bits[0]], *url_bits[1:]) |
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|
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raise http.Http404('The requested page does not exist.') |
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|
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def homepage_view(self, request): |
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easy_model = EasyModel(self.site, self.model) |
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field_list = self.fields.values() |
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field_list.sort(lambda x, y: cmp(x.verbose_name, y.verbose_name)) |
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return render_to_response('databrowse/fieldchoice_homepage.html', {'root_url': self.site.root_url, 'model': easy_model, 'field_list': field_list}) |
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67 |
def field_view(self, request, field, value=None): |
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68 |
easy_model = EasyModel(self.site, self.model) |
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easy_field = easy_model.field(field.name) |
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if value is not None: |
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71 |
obj_list = easy_model.objects(**{field.name: value}) |
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return render_to_response('databrowse/fieldchoice_detail.html', {'root_url': self.site.root_url, 'model': easy_model, 'field': easy_field, 'value': value, 'object_list': obj_list}) |
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obj_list = [v[field.name] for v in self.model._default_manager.distinct().order_by(field.name).values(field.name)] |
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parents:
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return render_to_response('databrowse/fieldchoice_list.html', {'root_url': self.site.root_url, 'model': easy_model, 'field': easy_field, 'object_list': obj_list}) |