Initial implementation of new Node system whereby Nodes are separate from the objects...

[philo.git] / admin / widgets.py

diff --git a/admin/widgets.py b/admin/widgets.py
new file mode 100644 (file)
index 0000000..a1f5bae
--- /dev/null
+++ b/admin/widgets.py
@@ -0,0 +1,29 @@
+from django import forms
+from django.conf import settings
+
+
+class ModelLookupWidget(forms.TextInput):
+       # is_hidden = False
+       
+       def __init__(self, content_type, attrs=None):
+               self.content_type = content_type
+               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)
+               if attrs is None:
+                       attrs = {}
+               if not attrs.has_key('class'):
+                       attrs['class'] = 'vForeignKeyRawIdAdminField'
+               output = super(ModelLookupWidget, self).render(name, value, attrs)
+               output += '<a href="%s" class="related-lookup" id="lookup_id_%s" onclick="return showRelatedObjectLookupPopup(this);">' % (related_url, name)
+               output += '<img src="%simg/admin/selector-search.gif" width="16" height="16" alt="%s" />' % (settings.ADMIN_MEDIA_PREFIX, _('Lookup'))
+               output += '</a>'
+               if value:
+                       value_class = self.content_type.model_class()
+                       try:
+                               value_object = value_class.objects.get(pk=value)
+                               output += '&nbsp;<strong>%s</strong>' % escape(truncate_words(value_object, 14))
+                       except value_class.DoesNotExist:
+                               pass
+               return mark_safe(output)
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