100 lines
2.8 KiB
Python
100 lines
2.8 KiB
Python
from zope import schema
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from zope.interface import implements, implementer
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from zope.component import adapter
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from zope.schema.interfaces import ISet
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from zope.schema.interfaces import IFromUnicode
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from z3c.form.interfaces import IFormLayer, IFieldWidget, ISequenceWidget
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from z3c.form.widget import FieldWidget, SequenceWidget
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from . import _
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import utils
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class IThesaurusKeywords(ISet):
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pass
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class ThesaurusKeywords(schema.Set):
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implements(IThesaurusKeywords, IFromUnicode)
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def __init__(self, display_backrefs=False, **kw):
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self.display_backrefs = display_backrefs
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voc = kw.pop('vocabulary', u'dms.thesaurus.simple')
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vt = kw.pop('value_type', schema.Choice(vocabulary=voc))
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super(ThesaurusKeywords, self).__init__(value_type=vt, **kw)
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class IThesaurusKeywordsWidget(ISequenceWidget):
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pass
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JS_TEMPLATE = """
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$(document).ready(function() {
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$('a.kw_add_link').prepOverlay({
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subtype: 'ajax',
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filter: '#content>*',
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urlmatch: '.*',
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urlreplace: '%(thesaurus_url)s'
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});
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});
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"""
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class ThesaurusKeywordsWidget(SequenceWidget):
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implements(IThesaurusKeywordsWidget)
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def __init__(self, request, display_backrefs=False):
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self.display_backrefs = display_backrefs
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super(ThesaurusKeywordsWidget, self).__init__(request)
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@property
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def js(self):
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thesaurus = utils.get_thesaurus_object(self.context)
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if thesaurus is None:
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return ''
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thesaurus_path = '/'.join(thesaurus.getPhysicalPath())
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return JS_TEMPLATE % dict(
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thesaurus_url=thesaurus_path
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)
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def items(self):
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value = []
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for token in self.value:
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# Ignore no value entries. They are in the request only.
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if token == self.noValueToken:
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continue
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term = self.terms.getTermByToken(token)
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value.append({'id': token, 'value': term.value,
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'content': term.title, 'selected': True
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})
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return value
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def displayItems(self):
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thesaurus = utils.get_thesaurus_object(self.context)
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if thesaurus is None:
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return []
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thesaurus_path = '/'.join(thesaurus.getPhysicalPath())
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value = []
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for token in self.value:
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# Ignore no value entries. They are in the request only.
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if token == self.noValueToken:
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continue
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term = self.terms.getTermByToken(token)
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value.append(
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{'title': term.title,
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'href': thesaurus_path + '/' + term.value,
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})
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return value
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@adapter(IThesaurusKeywords, IFormLayer)
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@implementer(IFieldWidget)
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def ThesaurusKeywordsFieldWidget(field, request):
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return FieldWidget(field, ThesaurusKeywordsWidget(
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request, display_backrefs=field.display_backrefs))
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