Python SearchSlave.enable_advanced_search方法代码示例

# 需要导入模块: from stoqlib.gui.search.searchslave import SearchSlave [as 别名]
# 或者: from stoqlib.gui.search.searchslave.SearchSlave import enable_advanced_search [as 别名]

#.........这里部分代码省略.........
                             size=self.size)

        self.enable_window_controls()
        self.disable_ok()
        self.set_ok_label(_('Se_lect Items'))
        self._setup_search()
        self._setup_details_slave()

        self.create_filters()
        self.setup_widgets()
        if self.search_label:
            self.set_searchbar_label(self.search_label)

    def _setup_selection_mode(self, selection_mode):
        # For consistency do not allow none or single, in other words,
        # only allowed values are browse and multiple so we always will
        # be able to use both the keyboard and the mouse to select items
        # in the search list.
        selection_mode = selection_mode or self.selection_mode
        if (selection_mode != gtk.SELECTION_BROWSE and
            selection_mode != gtk.SELECTION_MULTIPLE):
            raise ValueError('Invalid selection mode %r' % selection_mode)
        return selection_mode

    def _setup_search(self):
        self.search = SearchSlave(
            self.get_columns(),
            tree=self.tree,
            restore_name=self.__class__.__name__,
            store=self.store,
            search_spec=self.search_spec,
        )
        if self.advanced_search:
            self.search.enable_advanced_search()
        self.attach_slave('main', self.search)
        self.header.hide()

        self.results = self.search.result_view
        self.results.set_selection_mode(self.selection_mode)
        self.results.connect('cell-edited', self._on_results__cell_edited)
        self.results.connect('selection-changed',
                             self._on_results__selection_changed)
        self.results.connect('row-activated', self._on_results__row_activated)

    def _setup_details_slave(self):
        # FIXME: Gross hack
        has_details_btn = hasattr(self, 'on_details_button_clicked')
        has_print_btn = hasattr(self, 'on_print_button_clicked')
        if not (has_details_btn or has_print_btn):
            self._details_slave = None
            return
        self._details_slave = _SearchDialogDetailsSlave()
        self.attach_slave('details_holder', self._details_slave)
        if has_details_btn:
            self._details_slave.connect("details",
                                        self.on_details_button_clicked)
        else:
            self._details_slave.details_button.hide()
        if has_print_btn:
            self._details_slave.connect("print", self.on_print_button_clicked)
            self.set_print_button_sensitive(False)
            self.results.connect('has-rows', self._has_rows)
        else:
            self._details_slave.print_button.hide()

    #

# 需要导入模块: from stoqlib.gui.search.searchslave import SearchSlave [as 别名]
# 或者: from stoqlib.gui.search.searchslave.SearchSlave import enable_advanced_search [as 别名]
class PurchaseSelectionStep(BaseWizardStep):
    gladefile = 'PurchaseSelectionStep'

    def __init__(self, wizard, store):
        self._next_step = None
        BaseWizardStep.__init__(self, store, wizard)
        self.setup_slaves()

    def _create_search(self):
        self.search = SearchSlave(self._get_columns(),
                                  restore_name=self.__class__.__name__,
                                  store=self.store,
                                  search_spec=PurchaseOrderView)
        self.search.enable_advanced_search()
        self.attach_slave('searchbar_holder', self.search)
        executer = self.search.get_query_executer()
        executer.add_query_callback(self.get_extra_query)
        self._create_filters()
        self.search.result_view.set_selection_mode(gtk.SELECTION_MULTIPLE)
        self.search.result_view.connect('selection-changed',
                                        self._on_results__selection_changed)
        self.search.result_view.connect('row-activated',
                                        self._on_results__row_activated)
        self.search.focus_search_entry()

    def _create_filters(self):
        self.search.set_text_field_columns(['supplier_name', 'identifier_str'])

    def get_extra_query(self, states):
        query = PurchaseOrderView.status == PurchaseOrder.ORDER_CONFIRMED

        # Dont let the user receive purchases from other branches when working
        # in synchronized mode
        if api.sysparam.get_bool('SYNCHRONIZED_MODE'):
            branch = api.get_current_branch(self.store)
            query = And(query,
                        PurchaseOrderView.branch_id == branch.id)
        return query

    def _get_columns(self):
        return [IdentifierColumn('identifier', sorted=True),
                SearchColumn('open_date', title=_('Date Started'),
                             data_type=datetime.date, width=100),
                SearchColumn('expected_receival_date', data_type=datetime.date,
                             title=_('Expected Receival'), visible=False),
                SearchColumn('supplier_name', title=_('Supplier'),
                             data_type=str, searchable=True, width=130,
                             expand=True),
                SearchColumn('ordered_quantity', title=_('Qty Ordered'),
                             data_type=Decimal, width=110,
                             format_func=format_quantity),
                SearchColumn('received_quantity', title=_('Qty Received'),
                             data_type=Decimal, width=145,
                             format_func=format_quantity),
                SearchColumn('total', title=_('Order Total'),
                             data_type=currency, width=120)]

    def _update_view(self):
        selected_rows = self.search.result_view.get_selected_rows()
        can_continue = len(set((v.supplier_id, v.branch_id) for v in selected_rows)) == 1
        self.wizard.refresh_next(can_continue)
        self.details_button.set_sensitive(len(selected_rows) == 1)

    #
    # WizardStep hooks
    #

    def post_init(self):
        self._update_view()
        self.force_validation()

    def next_step(self):
        self.search.save_columns()
        selected_rows = self.search.result_view.get_selected_rows()

        return ReceivingOrderItemStep(self.store, self.wizard, self,
                                      selected_rows)

    def has_previous_step(self):
        return False

    def setup_slaves(self):
        self._create_search()

    #
    # Kiwi callbacks
    #

    def _on_results__selection_changed(self, results, purchase_order_view):
        self.force_validation()
        self._update_view()

    def _on_results__row_activated(self, results, purchase_order_view):
        run_dialog(PurchaseDetailsDialog, self.wizard, self.store,
                   model=purchase_order_view.purchase)

    def on_details_button__clicked(self, *args):
        selected = self.search.results.get_selected_rows()[0]
        if not selected:
            raise ValueError('You should have one order selected '
#.........这里部分代码省略.........

# 需要导入模块: from stoqlib.gui.search.searchslave import SearchSlave [as 别名]
# 或者: from stoqlib.gui.search.searchslave.SearchSlave import enable_advanced_search [as 别名]
class TransactionPage(object):
    # shows either a list of:
    #   - transactions
    #   - payments
    def __init__(self, model, app, parent):
        self.model = model
        self.app = app
        self.parent_window = parent
        self._block = False

        self._create_search()
        self._add_date_filter()

        self._setup_search()
        self.refresh()

    def get_toplevel(self):
        return self.parent_window

    def _create_search(self):
        self.search = SearchSlave(self._get_columns(self.model.kind),
                                  store=self.app.store)
        self.search.connect('result-item-activated',
                            self._on_search__item_activated)
        self.search.enable_advanced_search()
        self.search.set_result_view(FinancialSearchResults)
        self.result_view = self.search.result_view
        self.result_view.page = self
        tree_view = self.search.result_view.get_treeview()
        tree_view.set_rules_hint(True)
        tree_view.set_grid_lines(gtk.TREE_VIEW_GRID_LINES_BOTH)

    def _add_date_filter(self):
        self.date_filter = DateSearchFilter(_('Date:'))
        self.date_filter.clear_options()
        self.date_filter.add_option(Any, 0)
        year = datetime.datetime.today().year
        month_names = get_month_names()
        for i, month in enumerate(month_names):
            name = month_names[i]
            option = type(name + 'Option', (MonthOption, ),
                          {'name': _(name),
                           'month': i + 1,
                           'year': year})
            self.date_filter.add_option(option, i + 1)
        self.date_filter.add_custom_options()
        self.date_filter.mode.select_item_by_position(0)
        self.search.add_filter(self.date_filter)

    def _append_date_query(self, field):
        date = self.date_filter.get_state()
        queries = []
        if isinstance(date, DateQueryState) and date.date is not None:
            queries.append(Date(field) == date.date)
        elif isinstance(date, DateIntervalQueryState):
            queries.append(Date(field) >= date.start)
            queries.append(Date(field) <= date.end)
        return queries

    def _payment_query(self, store):
        executer = self.search.get_query_executer()
        search_spec = executer.search_spec
        queries = self._append_date_query(search_spec.due_date)
        if queries:
            return store.find(search_spec, And(*queries))

        return store.find(search_spec)

    def _transaction_query(self, store):
        queries = [Or(self.model.id == AccountTransaction.account_id,
                      self.model.id == AccountTransaction.source_account_id)]

        queries.extend(self._append_date_query(AccountTransaction.date))
        return store.find(AccountTransactionView, And(*queries))

    def show(self):
        self.search.show()

    def _setup_search(self):
        if self.model.kind == 'account':
            self.search.set_search_spec(AccountTransactionView)
            self.search.set_text_field_columns(['description'])
            self.search.set_query(self._transaction_query)
        elif self.model.kind == 'payable':
            self.search.set_text_field_columns(['description', 'supplier_name'])
            self.search.set_search_spec(OutPaymentView)
            self.search.set_query(self._payment_query)
        elif self.model.kind == 'receivable':
            self.search.set_text_field_columns(['description', 'drawee'])
            self.search.set_search_spec(InPaymentView)
            self.search.set_query(self._payment_query)
        else:
            raise TypeError("unknown model kind: %r" % (self.model.kind, ))

    def refresh(self):
        self.search.result_view.clear()
        if self.model.kind == 'account':
            transactions = AccountTransactionView.get_for_account(self.model, self.app.store)
            self.append_transactions(transactions)
        elif self.model.kind == 'payable':
#.........这里部分代码省略.........

# 需要导入模块: from stoqlib.gui.search.searchslave import SearchSlave [as 别名]
# 或者: from stoqlib.gui.search.searchslave.SearchSlave import enable_advanced_search [as 别名]
class LoanSelectionStep(BaseWizardStep):
    gladefile = 'HolderTemplate'

    def __init__(self, wizard, store):
        BaseWizardStep.__init__(self, store, wizard)
        self.setup_slaves()

    def _create_filters(self):
        self.search.set_text_field_columns(['client_name', 'identifier_str'])

    def _get_columns(self):
        return [IdentifierColumn('identifier', sorted=True),
                SearchColumn('responsible_name', title=_(u'Responsible'),
                             data_type=str, expand=True),
                SearchColumn('client_name', title=_(u'Client'),
                             data_type=str, expand=True),
                SearchColumn('open_date', title=_(u'Opened'),
                             data_type=datetime.date),
                SearchColumn('expire_date', title=_(u'Expire'),
                             data_type=datetime.date),
                Column('loaned', title=_(u'Loaned'),
                       data_type=Decimal),
                ]

    def _refresh_next(self, value=None):
        can_continue = False
        selected_rows = self.search.results.get_selected_rows()
        if selected_rows:
            client = selected_rows[0].client_id
            branch = selected_rows[0].branch_id
            # Only loans that belong to the same client and are from the same
            # branch can be closed together
            can_continue = all(v.client_id == client and v.branch_id == branch
                               for v in selected_rows)
        self.wizard.refresh_next(can_continue)

    def get_extra_query(self, states):
        return LoanView.status == Loan.STATUS_OPEN

    def setup_slaves(self):
        self.search = SearchSlave(self._get_columns(),
                                  restore_name=self.__class__.__name__,
                                  store=self.store,
                                  search_spec=LoanView)
        self.search.enable_advanced_search()
        self.attach_slave('place_holder', self.search)
        executer = self.search.get_query_executer()
        executer.add_query_callback(self.get_extra_query)
        self._create_filters()
        self.search.results.connect('selection-changed',
                                    self._on_results_selection_changed)
        self.search.results.set_selection_mode(gtk.SELECTION_MULTIPLE)
        self.search.focus_search_entry()

    #
    # WizardStep
    #

    def has_previous_step(self):
        return False

    def post_init(self):
        self.register_validate_function(self._refresh_next)
        self.force_validation()

    def next_step(self):
        # FIXME: For some reason, the loan isn't in self.store
        views = self.search.results.get_selected_rows()
        self.wizard.models = [self.store.fetch(v.loan) for v in views]
        return LoanItemSelectionStep(self.wizard, self, self.store,
                                     self.wizard.models)

    #
    # Callbacks
    #

    def _on_results_selection_changed(self, widget, selection):
        self._refresh_next()

# 需要导入模块: from stoqlib.gui.search.searchslave import SearchSlave [as 别名]
# 或者: from stoqlib.gui.search.searchslave.SearchSlave import enable_advanced_search [as 别名]

#.........这里部分代码省略.........
        if self.search_label:
            self.set_searchbar_label(self.search_label)

        if self.initial_string:
            search_filter = self.search.get_primary_filter()
            search_filter.set_state(self.initial_string)
            self.search.refresh()
            search_filter.entry.grab_focus()

    def _setup_selection_mode(self, selection_mode):
        # For consistency do not allow none or single, in other words,
        # only allowed values are browse and multiple so we always will
        # be able to use both the keyboard and the mouse to select items
        # in the search list.
        selection_mode = selection_mode or self.selection_mode
        if (selection_mode != gtk.SELECTION_BROWSE and
            selection_mode != gtk.SELECTION_MULTIPLE):
            raise ValueError('Invalid selection mode %r' % selection_mode)
        return selection_mode

    def _setup_search(self):
        self.columns = self.get_columns()
        SearchDialogSetupSearchEvent.emit(self)
        self.search = SearchSlave(
            self.columns,
            tree=self.tree,
            restore_name=self.__class__.__name__,
            store=self.store,
            search_spec=self.search_spec,
            fast_iter=self.fast_iter,
            result_view_class=self.result_view_class
        )
        if self.advanced_search:
            self.search.enable_advanced_search()
        self.attach_slave('main', self.search)
        self.header.hide()

        self.results = self.search.result_view
        self.results.set_selection_mode(self.selection_mode)
        self.results.connect('cell-edited', self._on_results__cell_edited)
        self.results.connect('selection-changed',
                             self._on_results__selection_changed)
        self.results.connect('row-activated', self._on_results__row_activated)

    def _setup_details_slave(self):
        # FIXME: Gross hack
        has_details_btn = hasattr(self, 'on_details_button_clicked')
        has_print_btn = self.report_class is not None
        self.results.connect('has-rows', self._has_rows)
        if not (has_details_btn or has_print_btn):
            self._details_slave = None
            return
        self._details_slave = _SearchDialogDetailsSlave()
        self.attach_slave('details_holder', self._details_slave)
        if has_details_btn:
            self._details_slave.connect("details",
                                        self.on_details_button_clicked)
        else:
            self._details_slave.details_button.hide()
        if has_print_btn:
            self._details_slave.connect("print", self._on_print_button__clicked)
            self.set_print_button_sensitive(False)
        else:
            self._details_slave.print_button.hide()

    def _create_default_filters(self):

# 需要导入模块: from stoqlib.gui.search.searchslave import SearchSlave [as 别名]
# 或者: from stoqlib.gui.search.searchslave.SearchSlave import enable_advanced_search [as 别名]
class ShellApp(GladeDelegate):
    """Base class for shell applications.

    The main use is to interact with a shell window and reduce
    duplication between other applications.
    """

    #: This attribute is used when generating titles for applications.
    #: It's also useful if we get a list of available applications with
    #: the application names translated. This list is going to be used when
    #: creating new user profiles.
    app_title = None

    #: name of the application, 'pos', 'payable', etc
    app_name = None

    #: If this application has a search like interface
    search = None

    #: This dictionary holds information about required permissions to access
    #: certain actions. Keys should be the name of the action (for instance
    #: SearchEmployess), and the value should be a tuple with the permission key
    #: (domain object or action identifier) and the required permission. In this
    #: case: ('Employee', perm.PERM_SEARCH). See <stoqlib.lib.permissions>
    action_permissions = {}

    #: The spec for store.find() to perform the search on
    search_spec = None

    #: Label left of the search entry
    search_label = _('Search:')

    #: the report class for printing the object list embedded on app.
    report_table = None

    def __init__(self, window, store=None):
        if store is None:
            store = api.get_default_store()
        self.store = store
        self.window = window

        self._sensitive_group = dict()
        self.help_ui = None
        self.uimanager = self.window.uimanager

        # FIXME: These two should probably post-__init__, but
        #        that breaks date_label in the calender app
        self._create_search()
        self.create_actions()
        GladeDelegate.__init__(self,
                               gladefile=self.gladefile,
                               toplevel_name=self.toplevel_name)
        self._attach_search()
        self.create_ui()

    def _create_search(self):
        if self.search_spec is None:
            return
        self.columns = self.get_columns()
        ApplicationSetupSearchEvent.emit(self)
        self.search = SearchSlave(self.columns,
                                  store=self.store,
                                  restore_name=self.__class__.__name__,
                                  search_spec=self.search_spec)

    def _attach_search(self):
        if self.search_spec is None:
            return
        self.search.enable_advanced_search()
        self.attach_slave('search_holder', self.search)
        search_filter = self.search.get_primary_filter()
        search_filter.set_label(self.search_label)
        self.create_filters()
        self.search.restore_filter_settings('app-ui', self.app_name)
        self.search.focus_search_entry()

        # FIXME: Remove and use search directly instead of the result view
        self.results = self.search.result_view

    def _display_open_inventory_message(self):
        msg = _(u'There is an inventory process open at the moment.\n'
                'While that inventory is open, you will be unable to do '
                'operations that modify your stock.')
        self.inventory_bar = self.window.add_info_bar(gtk.MESSAGE_WARNING, msg)

    #
    # Overridables
    #

    def create_actions(self):
        """This is called before the BaseWindow constructor, so we
        can create actions that can be autoconnected.
        The widgets and actions loaded from builder files are not set
        yet"""

    def create_ui(self):
        """This is called when the UI such as GtkWidgets should be
        created. Glade widgets are now created and can be accessed
        in the instance.
        """
#.........这里部分代码省略.........

# 需要导入模块: from stoqlib.gui.search.searchslave import SearchSlave [as 别名]
# 或者: from stoqlib.gui.search.searchslave.SearchSlave import enable_advanced_search [as 别名]
class ReceivingSelectionStep(BaseWizardStep):
    gladefile = 'PurchaseSelectionStep'

    def __init__(self, wizard, store):
        self._next_step = None
        BaseWizardStep.__init__(self, store, wizard)
        self.setup_slaves()

    def _create_search(self):
        self.search = SearchSlave(self._get_columns(),
                                  restore_name=self.__class__.__name__,
                                  store=self.store,
                                  search_spec=PurchaseReceivingView)
        self.search.enable_advanced_search()
        self.attach_slave('searchbar_holder', self.search)
        executer = self.search.get_query_executer()
        executer.add_query_callback(self.get_extra_query)
        self._create_filters()
        self.search.result_view.set_selection_mode(Gtk.SelectionMode.MULTIPLE)
        self.search.result_view.connect('selection-changed',
                                        self._on_results__selection_changed)
        self.search.result_view.connect('row-activated',
                                        self._on_results__row_activated)
        self.search.focus_search_entry()

    def _create_filters(self):
        self.search.set_text_field_columns(['supplier_name', 'purchase_identifier'])

    def get_extra_query(self, states):
        query = And(Eq(PurchaseReceivingView.purchase_group, None),
                    Eq(PurchaseReceivingView.receiving_invoice, None))

        # Dont let the user receive purchases from other branches when working
        # in synchronized mode
        if (api.sysparam.get_bool('SYNCHRONIZED_MODE') and not
                api.can_see_all_branches()):
            branch = api.get_current_branch(self.store)
            query = And(query, PurchaseReceivingView.branch_id == branch.id)
        return query

    def _get_columns(self):
        return [IdentifierColumn('identifier', _('Receiving #'), width=140),
                IdentifierColumn('purchase_identifier', _('Purchase #'), width=110),
                SearchColumn('packing_number', title=_('Packing Number'),
                             data_type=str, visible=False),
                SearchColumn('receival_date', _('Receival date'), expand=True,
                             data_type=datetime.date, sorted=True, width=110),
                SearchColumn('supplier_name', _('Supplier'), data_type=str,
                             expand=True),
                SearchColumn('responsible_name', _('Responsible'),
                             data_type=str, visible=False, expand=True),
                SearchColumn('purchase_responsible_name', _('Purchaser'),
                             data_type=str, visible=False, expand=True),
                SearchColumn('invoice_number', _('Invoice #'), data_type=int,
                             width=80),
                Column('subtotal', title=_('Products total'),
                       data_type=currency, width=150)]

    def _update_view(self):
        selected_rows = self.search.result_view.get_selected_rows()
        can_continue = len(set((v.supplier_id, v.branch_id) for v in selected_rows)) == 1
        self.wizard.refresh_next(can_continue)
        self.details_button.set_sensitive(len(selected_rows) == 1)

    #
    # WizardStep hooks
    #

    def post_init(self):
        self._update_view()
        self.force_validation()

    def next_step(self):
        self.search.save_columns()
        selected_rows = self.search.result_view.get_selected_rows()

        return ProductsCostCheckStep(self.wizard, self, self.store, selected_rows)

    def has_previous_step(self):
        return False

    def setup_slaves(self):
        self._create_search()

    #
    # Kiwi callbacks
    #

    def _on_results__selection_changed(self, results, purchase_order_view):
        self.force_validation()
        self._update_view()

    def _on_results__row_activated(self, results, receiving_order_view):
        run_dialog(ReceivingOrderDetailsDialog, self.wizard, self.store,
                   model=receiving_order_view.order)

    def on_details_button__clicked(self, *args):
        selected = self.search.results.get_selected_rows()[0]
        if not selected:
            raise ValueError('You should have one order selected '
#.........这里部分代码省略.........

# 需要导入模块: from stoqlib.gui.search.searchslave import SearchSlave [as 别名]
# 或者: from stoqlib.gui.search.searchslave.SearchSlave import enable_advanced_search [as 别名]
class PurchaseSelectionStep(BaseWizardStep):
    gladefile = 'PurchaseSelectionStep'

    def __init__(self, wizard, store):
        self._next_step = None
        BaseWizardStep.__init__(self, store, wizard)
        self.setup_slaves()

    def _refresh_next(self, validation_value):
        has_selection = self.search.results.get_selected() is not None
        self.wizard.refresh_next(has_selection)

    def _create_search(self):
        self.search = SearchSlave(self._get_columns(),
                                  restore_name=self.__class__.__name__,
                                  store=self.store,
                                  search_spec=PurchaseOrderView)
        self.search.enable_advanced_search()
        self.attach_slave('searchbar_holder', self.search)
        executer = self.search.get_query_executer()
        executer.add_query_callback(self.get_extra_query)
        self._create_filters()
        self.search.results.connect('selection-changed',
                                    self._on_results__selection_changed)
        self.search.results.connect('row-activated',
                                    self._on_results__row_activated)
        self.search.focus_search_entry()

    def _create_filters(self):
        self.search.set_text_field_columns(['supplier_name', 'identifier_str'])

    def get_extra_query(self, states):
        query = PurchaseOrderView.status == PurchaseOrder.ORDER_CONFIRMED

        # Dont let the user receive purchases from other branches when working
        # in synchronized mode
        if api.sysparam.get_bool('SYNCHRONIZED_MODE'):
            branch = api.get_current_branch(self.store)
            query = And(query,
                        PurchaseOrderView.branch_id == branch.id)
        return query

    def _get_columns(self):
        return [IdentifierColumn('identifier', sorted=True),
                SearchColumn('open_date', title=_('Date Started'),
                             data_type=datetime.date, width=100),
                SearchColumn('expected_receival_date', data_type=datetime.date,
                             title=_('Expected Receival'), visible=False),
                SearchColumn('supplier_name', title=_('Supplier'),
                             data_type=str, searchable=True, width=130,
                             expand=True),
                SearchColumn('ordered_quantity', title=_('Qty Ordered'),
                             data_type=Decimal, width=110,
                             format_func=format_quantity),
                SearchColumn('received_quantity', title=_('Qty Received'),
                             data_type=Decimal, width=145,
                             format_func=format_quantity),
                SearchColumn('total', title=_('Order Total'),
                             data_type=currency, width=120)]

    def _update_view(self):
        has_selection = self.search.results.get_selected() is not None
        self.details_button.set_sensitive(has_selection)

    #
    # WizardStep hooks
    #

    def post_init(self):
        self._update_view()
        self.register_validate_function(self._refresh_next)
        self.force_validation()

    def next_step(self):
        self.search.save_columns()
        selected = self.search.results.get_selected()
        purchase = selected.purchase

        # We cannot create the model in the wizard since we haven't
        # selected a PurchaseOrder yet which ReceivingOrder depends on
        # Create the order here since this is the first place where we
        # actually have a purchase selected
        if not self.wizard.model:
            self.wizard.model = self.model = ReceivingOrder(
                responsible=api.get_current_user(self.store),
                supplier=purchase.supplier, invoice_number=None,
                branch=purchase.branch, purchase=purchase,
                store=self.store)

        # Remove all the items added previously, used if we hit back
        # at any point in the wizard.
        if self.model.purchase != purchase:
            self.model.remove_items()
            # This forces ReceivingOrderProductStep to create a new model
            self._next_step = None

        if selected:
            self.model.purchase = purchase
            self.model.branch = purchase.branch
            self.model.supplier = purchase.supplier
#.........这里部分代码省略.........