openerp学习笔记 domain 的应用
1.在Action中定义,domain用于对象默认的搜索条件:
示例:
<record id="action_orders" model="ir.actions.act_window">
<field name="name">Sales Orders</field>
<field name="type">ir.actions.act_window</field>
<field name="res_model">sale.order</field>
<field name="view_type">form</field>
<field name="view_mode">tree,form,calendar,graph</field>
<field name="search_view_id" ref="view_sales_order_filter"/>
<field name="context">{}</field>
<field name="domain">[('state','not in',('draft','sent','cancel'))]</field>
<field name="help" type="html">
<p class="oe_view_nocontent_create">
Click to create a quotation that can be converted into a sales
order.
</p><p>
OpenERP will help you efficiently handle the complete sales flow:
quotation, sales order, delivery, invoicing and payment.
</p>
</field>
</record>
其中:
<field name="domain">[('state','not in',('draft','sent','cancel'))]</field>
定义了打开订单窗口时仅搜索不处于 ('draft','sent','cancel') 三种状态的订单。
2.在对象(或视图)的关联字段(many2one和many2many类型字段)中定义,字段值是关联表的id,domain用于过滤关联表的记录:
示例:
_name = 'sale.order.line'
_description = 'Sales Order Line'
_columns = {
'order_id': fields.many2one('sale.order', 'Order Reference', required=True, ondelete='cascade', select=True, readonly=True, states={'draft':[('readonly',False)]}),
'name': fields.text('Description', required=True, readonly=True, states={'draft': [('readonly', False)]}),
'sequence': fields.integer('Sequence', help="Gives the sequence order when displaying a list of sales order lines."),
'product_id': fields.many2one('product.product', 'Product', domain=[('sale_ok', '=', True)], change_default=True),
'invoice_lines': fields.many2many('account.invoice.line', 'sale_order_line_invoice_rel', 'order_line_id', 'invoice_id', 'Invoice Lines', readonly=True),
'invoiced': fields.function(_fnct_line_invoiced, string='Invoiced', type='boolean',
store={
'account.invoice': (_order_lines_from_invoice, ['state'], 10),
'sale.order.line': (lambda self,cr,uid,ids,ctx=None: ids, ['invoice_lines'], 10)}),
'price_unit': fields.float('Unit Price', required=True, digits_compute= dp.get_precision('Product Price'), readonly=True, states={'draft': [('readonly', False)]}),
'type': fields.selection([('make_to_stock', 'from stock'), ('make_to_order', 'on order')], 'Procurement Method', required=True, readonly=True, states={'draft': [('readonly', False)]},
help="From stock: When needed, the product is taken from the stock or we wait for replenishment.\nOn order: When needed, the product is purchased or produced."),
'price_subtotal': fields.function(_amount_line, string='Subtotal', digits_compute= dp.get_precision('Account')),
'tax_id': fields.many2many('account.tax', 'sale_order_tax', 'order_line_id', 'tax_id', 'Taxes', readonly=True, states={'draft': [('readonly', False)]}),
'address_allotment_id': fields.many2one('res.partner', 'Allotment Partner',help="A partner to whom the particular product needs to be allotted."),
'product_uom_qty': fields.float('Quantity', digits_compute= dp.get_precision('Product UoS'), required=True, readonly=True, states={'draft': [('readonly', False)]}),
'product_uom': fields.many2one('product.uom', 'Unit of Measure ', required=True, readonly=True, states={'draft': [('readonly', False)]}),
'product_uos_qty': fields.float('Quantity (UoS)' ,digits_compute= dp.get_precision('Product UoS'), readonly=True, states={'draft': [('readonly', False)]}),
'product_uos': fields.many2one('product.uom', 'Product UoS'),
'discount': fields.float('Discount (%)', digits_compute= dp.get_precision('Discount'), readonly=True, states={'draft': [('readonly', False)]}),
'th_weight': fields.float('Weight', readonly=True, states={'draft': [('readonly', False)]}),
'state': fields.selection([('cancel', 'Cancelled'),('draft', 'Draft'),('confirmed', 'Confirmed'),('exception', 'Exception'),('done', 'Done')], 'Status', required=True, readonly=True,
help='* The \'Draft\' status is set when the related sales order in draft status. \
\n* The \'Confirmed\' status is set when the related sales order is confirmed. \
\n* The \'Exception\' status is set when the related sales order is set as exception. \
\n* The \'Done\' status is set when the sales order line has been picked. \
\n* The \'Cancelled\' status is set when a user cancel the sales order related.'),
'order_partner_id': fields.related('order_id', 'partner_id', type='many2one', relation='res.partner', store=True, string='Customer'),
'salesman_id':fields.related('order_id', 'user_id', type='many2one', relation='res.users', store=True, string='Salesperson'),
'company_id': fields.related('order_id', 'company_id', type='many2one', relation='res.company', string='Company', store=True, readonly=True),
}
其中:
'product_id': fields.many2one('product.product', 'Product', domain=[('sale_ok', '=', True)], change_default=True),
定义了关联选择产品时,仅显示可销售的产品。
3.在搜索视图中定义,domain用于自定义的搜索条件:
示例:
<record id="view_sales_order_filter" model="ir.ui.view">
<field name="name">sale.order.list.select</field>
<field name="model">sale.order</field>
<field name="arch" type="xml">
<search string="Search Sales Order">
<field name="name" string="Sales Order" filter_domain="['|',('name','ilike',self),('client_order_ref','ilike',self)]"/>
<filter icon="terp-mail-message-new" string="Unread Messages" name="message_unread" domain="[('message_unread','=',True)]"/>
<separator/>
<filter icon="terp-document-new" string="Quotations" name="draft" domain="[('state','in',('draft','sent'))]" help="Sales Order that haven't yet been confirmed"/>
<filter icon="terp-check" string="Sales" name="sales" domain="[('state','in',('manual','progress'))]"/>
<filter icon="terp-dolar_ok!" string="To Invoice" domain="[('state','=','manual')]" help="Sales Order ready to be invoiced"/>
<filter icon="terp-dolar_ok!" string="Done" domain="[('state','=','done')]" help="Sales Order done"/>
<separator/>
<filter string="My Sales Orders" domain="[('user_id','=',uid)]" help="My Sales Orders" icon="terp-personal" name="my_sale_orders_filter"/>
<field name="partner_id" filter_domain="[('partner_id', 'child_of', self)]"/>
<field name="user_id"/>
<field name="project_id"/>
<group expand="0" string="Group By...">
<filter string="Customer" icon="terp-personal" domain="[]" context="{'group_by':'partner_id'}"/>
<filter string="Salesperson" icon="terp-personal" domain="[]" context="{'group_by':'user_id'}"/>
<filter string="Status" icon="terp-stock_effects-object-colorize" domain="[]" context="{'group_by':'state'}"/>
<filter string="Order Date" icon="terp-go-month" domain="[]" context="{'group_by':'date_order'}"/>
</group>
</search>
</field>
</record>
其中:
<field name="name" string="Sales Order" filter_domain="['|',('name','ilike',self),('client_order_ref','ilike',self)]"/>
定义了在搜索视图中输入订单编号时,同时按订单编号和客户关联编号过滤。
<filter string="My Sales Orders" domain="[('user_id','=',uid)]" help="My Sales Orders" icon="terp-personal" name="my_sale_orders_filter"/>
定义了在搜索视图中选择"My Sales Orders"标签时,过滤销售员是当前登录用户的订单。
4.在记录规则中定义,domain用于定义用户对对象中记录访问的权限:
示例:
<record model="ir.rule" id="sale_order_comp_rule">
<field name="name">Sales Order multi-company</field>
<field name="model_id" ref="model_sale_order"/>
<field name="global" eval="True"/>
<field name="domain_force">['|',('company_id','=',False),('company_id','child_of',[user.company_id.id])]</field>
</record>
其中:
<field name="domain_force">['|',('company_id','=',False),('company_id','child_of',[user.company_id.id])]</field>
定义了用户仅允许查询订单中未指定分公司或订单中指定的分公司用户具有访问权限的销售订单。
5.domain表达式规则说明:
domain中的单个条件是一个三个元素组成的元组。
第一个是对象的一个column,也就是字段名;
第二个是比较运算符 “=, !=, >, >=, <, <=, like, ilike, in, not in, child_of, parent_left, parent_right“ ;
第三个就是用来比较的值了。
多个条件用“|”(or),“&”(and),“!”(no)逻辑运算符链接。
逻辑运算符作为前缀放置于条件前面。“|”与“&”必须两个条件链接,“!”对一个条件取反。默认逻辑运算符为“&”。
举个例子:
['|', ('project_id.privacy_visibility', '=', 'public'), '&', ('project_id.privacy_visibility', 'in', ['portal', 'followers']), '|', ('message_follower_ids','in', [user.partner_id.id]), ('user_id', '=', user.id), ]
写个容易看的方式:
[
'|',('project_id.privacy_visibility', '=', 'public'),
'&',('project_id.privacy_visibility', 'in', ['portal', 'followers']),
'|', ('message_follower_ids','in', [user.partner_id.id]),
('user_id', '=', user.id),
]
这个例子的意思是:
(('project_id.privacy_visibility', '=', 'public') or
(('project_id.privacy_visibility', 'in', ['portal', 'followers']) and (('message_follower_ids','in', [user.partner_id.id]) or ('user_id', '=', user.id))))
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