comment.py

from Globals import InitializeClass
from AccessControl import ClassSecurityInfo
from Products.CMFCore.utils import getToolByName
from Products.Archetypes.Field import StringField
from Products.Archetypes.Registry import registerField
from Products.Archetypes.Registry import registerPropertyType

from Products.ATExtensions.widget import CommentWidget

00010 class CommentField(StringField):
    """specific field for URLs""" 
    _properties = StringField._properties.copy()
    _properties.update({
        'type' : 'comment',
        'comment' : ' ',
        'comment_type' : 'text/structured',
        'comment_msgid' : '',
        'widget' : CommentWidget,
        })
    security = ClassSecurityInfo()

    def get(self, instance, **kwargs):
        domain = self.widget.i18n_domain
        if self.comment_msgid:
            comment = instance.translate(domain=domain, msgid=self.comment_msgid, default=self.comment)
        else:
            comment = instance.translate(domain=domain, msgid=self.comment, default=self.comment)    
        transforms = getToolByName(instance, 'portal_transforms', None)
        if transforms is None:
            return comment
        return transforms.convertTo('text/html',
                                    comment,
                                    context=instance,
                                    mimetype=self.comment_type).getData()

    def set(self, instance, value, **kwargs):
        pass

InitializeClass(CommentField)

registerField(CommentField,
              title="Comment",
              description="Used for inserting comments into the views",
              )
registerPropertyType('comment', 'string', CommentField)
registerPropertyType('comment_type', 'string', CommentField)