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53 lines
2.3 KiB
Python
53 lines
2.3 KiB
Python
from django import forms
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from django.conf import settings
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext_lazy as _
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from django.contrib.admin.widgets import ForeignKeyRawIdWidget
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generic_script = """
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<script type="text/javascript">
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function showGenericRelatedObjectLookupPopup(ct_select, triggering_link, url_base) {
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var url = content_types[ct_select.options[ct_select.selectedIndex].value];
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if (url != undefined) {
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triggering_link.href = url_base + url;
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return showRelatedObjectLookupPopup(triggering_link);
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}
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return false;
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}
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</script>
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"""
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class GenericForeignKeyRawIdWidget(ForeignKeyRawIdWidget):
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def __init__(self, ct_field, cts=[], attrs=None):
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self.ct_field = ct_field
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self.cts = cts
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forms.TextInput.__init__(self, attrs)
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def render(self, name, value, attrs=None):
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if attrs is None:
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attrs = {}
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related_url = '../../../'
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params = self.url_parameters()
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if params:
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url = '?' + '&'.join(['%s=%s' % (k, v) for k, v in params.iteritems()])
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else:
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url = ''
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if 'class' not in attrs:
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attrs['class'] = 'vForeignKeyRawIdAdminField'
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output = [forms.TextInput.render(self, name, value, attrs)]
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output.append("""%(generic_script)s
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<a href="%(related)s%(url)s" class="related-lookup" id="lookup_id_%(name)s" onclick="return showGenericRelatedObjectLookupPopup(document.getElementById('id_%(ct_field)s'), this, '%(related)s%(url)s');"> """
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% {'generic_script': generic_script, 'related': related_url, 'url': url, 'name': name, 'ct_field': self.ct_field})
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output.append('<img src="%s/admin/img/selector-search.gif" width="16" height="16" alt="%s" /></a>' % (settings.STATIC_URL, _('Lookup')))
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from django.contrib.contenttypes.models import ContentType
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content_types = """
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<script type="text/javascript">
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var content_types = new Array();
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%s
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</script>
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""" % ('\n'.join(["content_types[%s] = '%s/%s/';" % (ContentType.objects.get_for_model(ct).id, ct._meta.app_label, ct._meta.object_name.lower()) for ct in self.cts]))
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return mark_safe(u''.join(output) + content_types)
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def url_parameters(self):
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return {}
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