Dynamically Fold Kanban States (Selection Field) in Odoo8

fold_kanban_states_odoo.py

class some_model(models.Model):
    _name = "some.model"

	STATES = [('Draft','Draft'),('Submit','Submit'),('Closed','Closed')]

    # States that should be folded in Kanban view
    # used by the `state_groups` method
    FOLDED_STATES = [
        'Closed',
    ]

    @api.model
    def state_groups(self, present_ids, domain, **kwargs):
        folded = {key: (key in self.FOLDED_STATES) for key, _ in self.STATES}
        # Need to copy self.STATES list before returning it,
        # because odoo modifies the list it gets,
        # emptying it in the process. Bad odoo!
        return self.STATES[:], folded

    _group_by_full = {
        'state': state_groups
    }

    state = fields.Selection(STATES, string="Status", default="Draft")

    def _read_group_fill_results(self, cr, uid, domain, groupby,
                                 remaining_groupbys, aggregated_fields,
                                 count_field, read_group_result,
                                 read_group_order=None, context=None):
        """
        The method seems to support grouping using m2o fields only,
        while we want to group by a simple status field.
        Hence the code below - it replaces simple status values
        with (value, name) tuples.
        """
        if groupby == 'state':
            STATES_DICT = dict(self.STATES)
            for result in read_group_result:
                state = result['state']
                result['state'] = (state, STATES_DICT.get(state))

        return super(some_model, self)._read_group_fill_results(
            cr, uid, domain, groupby, remaining_groupbys, aggregated_fields,
            count_field, read_group_result, read_group_order, context
        )

Conditionally Fold Kanban States (Selection Field) in Odoo8