44 lines
1.8 KiB
Python
44 lines
1.8 KiB
Python
from django.utils import simplejson
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from django.utils.html import escape
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from django.utils.functional import lazy
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from django import forms
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from django.core.urlresolvers import reverse as urlreverse
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import debug
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from ietf.person.models import *
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def json_emails(emails):
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if isinstance(emails, basestring):
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emails = Email.objects.filter(address__in=[x.strip() for x in emails.split(",") if x.strip()]).select_related("person")
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return simplejson.dumps([{"id": e.address + "", "name": escape(u"%s <%s>" % (e.person.name, e.address))} for e in emails])
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class EmailsField(forms.CharField):
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"""Multi-select field using jquery.tokeninput.js. Since the API of
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tokeninput" is asymmetric, we have to pass it a JSON
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representation on the way out and parse the ids coming back as a
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comma-separated list on the way in."""
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def __init__(self, *args, **kwargs):
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kwargs["max_length"] = 1000
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if not "help_text" in kwargs:
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kwargs["help_text"] = "Type in name to search for person"
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super(EmailsField, self).__init__(*args, **kwargs)
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self.widget.attrs["class"] = "tokenized-field"
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self.widget.attrs["data-ajax-url"] = lazy(urlreverse, str)("ajax_search_emails") # make this lazy to prevent initialization problem
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def parse_tokenized_value(self, value):
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return Email.objects.filter(address__in=[x.strip() for x in value.split(",") if x.strip()]).select_related("person")
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def prepare_value(self, value):
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if not value:
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return ""
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if isinstance(value, str) or isinstance(value, unicode):
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value = self.parse_tokenized_value(value)
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return json_emails(value)
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def clean(self, value):
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value = super(EmailsField, self).clean(value)
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return self.parse_tokenized_value(value)
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