code

from openerp.osv import fields, osv

class account_common_account_report(osv.osv_memory):
    _name = 'account.common.account.report'
    _description = 'Account Common Account Report'
    _inherit = "account.common.report"
    _columns = {
        'display_account': fields.selection([('all','All'), ('movement','With movements'),
                                            ('not_zero','With balance is not equal to 0'),
                                            ],'Display Accounts', required=True),

    }
    _defaults = {
        'display_account': 'movement',
    }

    def pre_print_report(self, cr, uid, ids, data, context=None):
        if context is None:
            context = {}
        data['form'].update(self.read(cr, uid, ids, ['display_account'], context=context)[0])
        return data