ドロップダウンリストでの選択に基づいて特定の列が表示または非表示になる（ビューの編集？）請求書ラインフォームと同様の効果を達成しようとしています。
この効果を実現するaccount_invoice_layoutのコードを調べようとしていますが、理解するのが少し難しいです。
完全なコードは次のとおりです。
class account_invoice_line(osv.osv):
def move_line_get_item(self, cr, uid, line, context=None):
if line.state != 'article':
return None
return super(account_invoice_line, self).move_line_get_item(cr, uid, line, context)
def fields_get(self, cr, uid, fields=None, context=None):
article = {
'article': [('readonly', False), ('invisible', False)],
'text': [('readonly', True), ('invisible', True), ('required', False)],
'subtotal': [('readonly', True), ('invisible', True), ('required', False)],
'title': [('readonly', True), ('invisible', True), ('required', False)],
'break': [('readonly', True), ('invisible', True), ('required', False)],
'line': [('readonly', True), ('invisible', True), ('required', False)],
}
states = {
'name': {
'break': [('readonly', True),('required', False),('invisible', True)],
'line': [('readonly', True),('required', False),('invisible', True)],
},
'product_id': article,
'account_id': article,
'quantity': article,
'uos_id': article,
'price_unit': article,
'discount': article,
'invoice_line_tax_id': article,
'account_analytic_id': article,
}
res = super(account_invoice_line, self).fields_get(cr, uid, fields, context)
for field in res:
if states.has_key(field):
for key,value in states[field].items():
res[field].setdefault('states',{})
res[field]['states'][key] = value
return res
def onchange_invoice_line_view(self, cr, uid, id, type, context=None, *args):
if (not type):
return {}
if type != 'article':
temp = {'value': {
'product_id': False,
'uos_id': False,
'account_id': False,
'price_unit': False,
'price_subtotal': False,
'quantity': 0,
'discount': False,
'invoice_line_tax_id': False,
'account_analytic_id': False,
},
}
if type == 'line':
temp['value']['name'] = ' '
if type == 'break':
temp['value']['name'] = ' '
if type == 'subtotal':
temp['value']['name'] = 'Sub Total'
return temp
return {}
def create(self, cr, user, vals, context=None):
if vals.has_key('state'):
if vals['state'] == 'line':
vals['name'] = ' '
if vals['state'] == 'break':
vals['name'] = ' '
if vals['state'] != 'article':
vals['quantity']= 0
vals['account_id']= self._default_account(cr, user, None)
return super(account_invoice_line, self).create(cr, user, vals, context)
def write(self, cr, user, ids, vals, context=None):
if vals.has_key('state'):
if vals['state'] != 'article':
vals['product_id']= False
vals['uos_id']= False
vals['account_id']= self._default_account(cr, user, None)
vals['price_unit']= False
vals['price_subtotal']= False
vals['quantity']= 0
vals['discount']= False
vals['invoice_line_tax_id']= False
vals['account_analytic_id']= False
if vals['state'] == 'line':
vals['name'] = ' '
if vals['state'] == 'break':
vals['name'] = ' '
return super(account_invoice_line, self).write(cr, user, ids, vals, context)
def copy_data(self, cr, uid, id, default=None, context=None):
if default is None:
default = {}
default['state'] = self.browse(cr, uid, id, context=context).state
return super(account_invoice_line, self).copy_data(cr, uid, id, default, context)
def _fnct(self, cr, uid, ids, name, args, context=None):
res = {}
lines = self.browse(cr, uid, ids, context=context)
account_ids = [line.account_id.id for line in lines]
account_names = dict(self.pool.get('account.account').name_get(cr, uid, account_ids, context=context))
for line in lines:
if line.state != 'article':
if line.state == 'line':
res[line.id] = '-----------------------------------------'
elif line.state == 'break':
res[line.id] = 'PAGE BREAK'
else:
res[line.id] = ' '
else:
res[line.id] = account_names.get(line.account_id.id, '')
return res
_name = "account.invoice.line"
_order = "invoice_id, sequence asc"
_description = "Invoice Line"
_inherit = "account.invoice.line"
_columns = {
'state': fields.selection([
('article','Product'),
('title','Title'),
('text','Note'),
('subtotal','Sub Total'),
('line','Separator Line'),
('break','Page Break'),]
,'Type', select=True, required=True),
'sequence': fields.integer('Sequence Number', select=True, help="Gives the sequence order when displaying a list of invoice lines."),
'functional_field': fields.function(_fnct, arg=None, fnct_inv=None, fnct_inv_arg=None, type='char', fnct_search=None, obj=None, store=False, string="Source Account"),
}
def _default_account(self, cr, uid, context=None):
cr.execute("select id from account_account where parent_id IS NULL LIMIT 1")
res = cr.fetchone()
return res[0]
_defaults = {
'state': 'article',
'sequence': 0,
}
account_invoice_line（）
fields_getメソッドは正確に何をしますか？いつ実行されますか？上記のコードはどのようにビューを編集しますか？
ありがとうございました。