One2many字段的on_change函数不能更改其自身的值吗? [英] One2many field on_change function can't change its own value?

问题描述

我有这两个字段.

'name'              : fields.char('Name'),
'addresses'         : fields.one2many('res.partner.address', 'partner','Addresses'),

此功能:

def addresses_change(self, cr, uid, ids, name, addresses, context=None):
        value = {}

        new_addresses = []
        address_pool = self.pool.get('res.partner.address')
        for address in address_pool.browse(cr, uid, addresses[0][2], context=context):
            new_addresses.append((1,address.id,{'street':'wall street','zip':'7777','partner': ids[0],'active':True}))

        value.update(name='whatever')
        value.update(addresses=new_addresses)
        return {'value':value}

这些视图字段:

<field name="name" on_change="addresses_change(name,addresses)"/>
<field name="addresses" on_change="addresses_change(name,addresses)"/>

现在，当我更改name时，name和addresses均被更新.但是，当我更改addresses时，它自己的值不会更新，而name会更新.因此，这种奇怪的行为仅影响one2many字段.为什么会这样?

Now when I change name, both name and addresses are updated. But when I change addresses its own value isn't updated but the name is updated. So this bizarre behavior affects only one2many fields. Why is this?

如何将on_change事件添加到可以更新其自身值的one2many字段?

And how do I add on_change event to one2many fields that can update its own value?

我发现这可能是odoo的局限性，他们是否已解决此问题? 链接到该问题

I found out that this is might be a limitation in odoo, have they fixed this issue? Link to the issue

推荐答案

在models.py的最新版本上应用以下补丁(该版本于2015年8月4日星期二15:22:33 +0200提交):

Apply the following patch on the lastest version of models.py (the version commited on Tue Aug 4 15:22:33 2015 +0200):

--- a/openerp/models.py
+++ b/openerp/models.py
@@ -5897,9 +5897,9 @@ class BaseModel(object):

         # At the moment, the client does not support updates on a *2many field
         # while this one is modified by the user.
-        if field_name and not isinstance(field_name, list) and \
-                self._fields[field_name].type in ('one2many', 'many2many'):
-            result['value'].pop(field_name, None)
+        ## if field_name and not isinstance(field_name, list) and \
+        ##         self._fields[field_name].type in ('one2many', 'many2many'):
+        ##     result['value'].pop(field_name, None)

         return result

换句话说，只需注释openerp/models.py文件的5900到5902行.

In other words, just comment the lines 5900 to 5902 of the openerp/models.py file.

当然，此解决方案有一个很大的缺点-每次在您使用的Odoo发行版中更新models.py文件时，都需要应用补丁.

Of course, there is a big disadvantage with this solution - you need to apply the patch every time the models.py file is updated in the Odoo distribution you use.

也存在相当大的风险-他们说Web客户端不能很好地处理onchange事件中更新的one2many和many2many字段.我现在没有发现任何问题，但是我将继续测试我的Odoo开发安装...

There is a considerable risk too - they say that the Web client is not dealing well with one2many and many2many fields updated in onchange event. I did not discover any problem with that right now but I'll continue to test my development installation of Odoo...

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