from plone.memoize.view import memoize

from AccessControl import ClassSecurityInfo
from Globals import InitializeClass
from Products.DataGridField.Column import Column

class HiddenColumn(Column):
    """ Column with non-changeable text
    
    Useful with DataGridField.fixed_row property in some use cases.
    """
    security = ClassSecurityInfo()

    def __init__(self, label, default=None, label_msgid=None, visible=True):
        """ Create a column
        
            @param hide Hide column from displaying
        """
        Column.__init__(self, label, default, label_msgid)
        self.visible = visible

    security.declarePublic('getMacro')
    def getMacro(self):
        """ Return macro used to render this column in view/edit """
        return "datagrid_hidden_cell"

# Initializes class security
InitializeClass(HiddenColumn)