Mercurial > public > sg101
view gpp/core/widgets.py @ 300:58e9b8b2965f
Fixing #135; adjusted cache timeout value to 60 seconds.
author | Brian Neal <bgneal@gmail.com> |
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date | Tue, 11 Jan 2011 04:04:44 +0000 |
parents | be3fff614b93 |
children | 5453aedf95fd |
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""" Various useful widgets for the GPP application. """ from django import forms from django.utils.safestring import mark_safe from django.core.urlresolvers import reverse from django.conf import settings class AutoCompleteUserInput(forms.TextInput): def render(self, name, value, attrs=None): url = reverse('core-ajax_users') output = super(AutoCompleteUserInput, self).render(name, value, attrs) return output + mark_safe(u"""\ <script type="text/javascript"> $(function() { var cache = {}; var cacheSize = 0; $("#id_%s").autocomplete({ delay: 400, minLength: 2, source: function(request, response) { if (cache[request.term]) { response(cache[request.term]); return; } $.ajax({ url: "%s", type: "GET", data: { q: request.term, limit: 10 }, dataType: "json", success: function(data, textStatus) { if (cacheSize >= 16) { cache = {}; cacheSize = 0; } cache[request.term] = data; ++cacheSize; response(data); }, error: function(xhr, textStatus, ex) { alert('Oops, an error occurred. ' + xhr.statusText + ' - ' + xhr.responseText); } }); } }); }); </script>""" % (name, url))