~openerp-community/eficent-openerp-project-management/nerviaconsultores-openerp-7.0

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# -*- coding: utf-8 -*-
##############################################################################
#
#    Copyright (C) 2011 Eficent (<http://www.eficent.com/>)
#              Jordi Ballester Alomar <jordi.ballester@eficent.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################

from osv import fields, osv

class purchase_order(osv.osv):
    
    _inherit = "purchase.order"
    
    _columns = {
        'project_id':fields.many2one('project.project', 'Project', states={'confirmed':[('readonly',True)],'approved':[('readonly',True)],'done':[('readonly',True)]}),   
        'project_manager': fields.related('project_id', 'user_id', readonly=True, string='Project Manager', type='many2one', relation="res.users", store=True),
    }
    
    def onchange_project_id(self, cr, uid, ids, project_id):

        analytic_account_id = ''
        
        if project_id:            
            project_obj = self.pool.get('project.project')
            #Read the project's analytic account
            analytic_account_id = project_obj.read(cr, uid, project_id,'analytic_account_id')['analytic_account_id']
            
        lines=self.pool.get('purchase.order.line')
                
        for po in self.browse(cr, uid, ids, context=None):            
        #Get the order lines       
            for line in po.order_line:                
                lines.write(cr, uid, line.id, {                                                            
                        'account_analytic_id': analytic_account_id,                                                              
                })
                                    
        return {}
        
    
purchase_order()