collective.dms.thesaurus/src/collective/dms/thesaurus/dmskeyword.py

#import datetime
from Acquisition import aq_parent
from zope.interface import implements

from zope import schema

from plone.dexterity.schema import DexteritySchemaPolicy
from plone.dexterity.content import Item

from plone.supermodel import model

from . import _
from .keywordsfield import ThesaurusKeywords
from .equivalencesfield import ThesaurusKeywordEquivalences
from .dmsthesaurus import NoThesaurusFound

class IDmsKeyword(model.Schema):
    """ """

    # EQ: equivalences
    equivs = ThesaurusKeywordEquivalences(
        title=_(u'EQ (Equivalences)'),
        required=False,
        )

    # BT: broader term
    broader = ThesaurusKeywords(
        title=_(u"BT (Broader Terms)"),
        required=False,
        vocabulary=u'dms.thesaurus.internalrefs'
        )

    # RT: related term
    related = ThesaurusKeywords(
        title=_(u"RT (Related Terms)"),
        required=False,
        display_backrefs=True,
        vocabulary=u'dms.thesaurus.internalrefs'
        )

    # HN: historical note
    historical_note = schema.Text(
        title=_(u"HN (Historical Note)"),
        required=False,
        )

    # SN: scope note
    scope_note = schema.Text(
        title=_(u"SN (Scope Note)"),
        required=False,
        )

    def thesaurus():
        """get parent thesaurus"""

    def thesaurusPath():
        """get parent thesaurus physical path"""


class DmsKeyword(Item):
    """ """
    implements(IDmsKeyword)

    def thesaurus(self):
        thesaurus = self
        while thesaurus.portal_type != "dmsthesaurus":
            thesaurus = aq_parent(thesaurus)
        if not hasattr(thesaurus, 'portal_type') or getattr(thesaurus, 'portal_type', None) is None:
            raise NoThesaurusFound
        return thesaurus

    def thesaurusPath(self):
        return self.thesaurus().getPhysicalPath()



class DmsKeywordSchemaPolicy(DexteritySchemaPolicy):
    """ """

    def bases(self, schemaName, tree):
        return (IDmsKeyword, )