Moved philo files into a philo subdirectory and added a setup.py file. Philo can...

[philo.git] / philo / admin / widgets.py

diff --git a/philo/admin/widgets.py b/philo/admin/widgets.py
new file mode 100644 (file)
index 0000000..fb13ac7
--- /dev/null
+++ b/philo/admin/widgets.py
@@ -0,0 +1,68 @@
+from django import forms
+from django.conf import settings
+from django.contrib.admin.widgets import FilteredSelectMultiple, url_params_from_lookup_dict
+from django.utils.translation import ugettext as _
+from django.utils.safestring import mark_safe
+from django.utils.text import truncate_words
+from django.utils.html import escape
+
+
+class ModelLookupWidget(forms.TextInput):
+       # is_hidden = False
+       
+       def __init__(self, content_type, attrs=None, limit_choices_to=None):
+               self.content_type = content_type
+               self.limit_choices_to = limit_choices_to
+               super(ModelLookupWidget, self).__init__(attrs)
+       
+       def render(self, name, value, attrs=None):
+               related_url = '../../../%s/%s/' % (self.content_type.app_label, self.content_type.model)
+               params = url_params_from_lookup_dict(self.limit_choices_to)
+               if params:
+                       url = u'?' + u'&'.join([u'%s=%s' % (k, v) for k, v in params.items()])
+               else:
+                       url = u''
+               if attrs is None:
+                       attrs = {}
+               if "class" not in attrs:
+                       attrs['class'] = 'vForeignKeyRawIdAdminField'
+               output = [super(ModelLookupWidget, self).render(name, value, attrs)]
+               output.append('<a href="%s%s" class="related-lookup" id="lookup_id_%s" onclick="return showRelatedObjectLookupPopup(this);">' % (related_url, url, name))
+               output.append('<img src="%simg/admin/selector-search.gif" width="16" height="16" alt="%s" />' % (settings.ADMIN_MEDIA_PREFIX, _('Lookup')))
+               output.append('</a>')
+               if value:
+                       value_class = self.content_type.model_class()
+                       try:
+                               value_object = value_class.objects.get(pk=value)
+                               output.append('&nbsp;<strong>%s</strong>' % escape(truncate_words(value_object, 14)))
+                       except value_class.DoesNotExist:
+                               pass
+               return mark_safe(u''.join(output))
+
+
+class TagFilteredSelectMultiple(FilteredSelectMultiple):
+       """
+       A SelectMultiple with a JavaScript filter interface.
+
+       Note that the resulting JavaScript assumes that the jsi18n
+       catalog has been loaded in the page
+       """
+       class Media:
+               js = (
+                       settings.ADMIN_MEDIA_PREFIX + "js/core.js",
+                       settings.ADMIN_MEDIA_PREFIX + "js/SelectBox.js",
+                       settings.ADMIN_MEDIA_PREFIX + "js/SelectFilter2.js",
+                       settings.ADMIN_MEDIA_PREFIX + "js/TagCreation.js",
+               )
+
+       def render(self, name, value, attrs=None, choices=()):
+               if attrs is None: attrs = {}
+               attrs['class'] = 'selectfilter'
+               if self.is_stacked: attrs['class'] += 'stacked'
+               output = [super(FilteredSelectMultiple, self).render(name, value, attrs, choices)]
+               output.append(u'<script type="text/javascript">addEvent(window, "load", function(e) {')
+               # TODO: "id_" is hard-coded here. This should instead use the correct
+               # API to determine the ID dynamically.
+               output.append(u'SelectFilter.init("id_%s", "%s", %s, "%s"); tagCreation.init("id_%s"); });</script>\n' % \
+                       (name, self.verbose_name.replace('"', '\\"'), int(self.is_stacked), settings.ADMIN_MEDIA_PREFIX, name))
+               return mark_safe(u''.join(output))
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